Samsung Exynos850 is ARMv8-based mobile-oriented SoC. It features
Cortex-A55 CPU (8 cores) and it's built using 8nm process.

Add Exynos850 support by enabling next features:

  * Import Exynos850 SoC dtsi files from Linux kernel
  * Add Exynos850 MMU memory map
  * Introduce ARCH_EXYNOS9 platform config option

Signed-off-by: Sam Protsenko <semen.protse...@linaro.org>
---
 arch/arm/dts/exynos-pinctrl.h       |  79 +++
 arch/arm/dts/exynos850-pinctrl.dtsi | 663 +++++++++++++++++++++++
 arch/arm/dts/exynos850.dtsi         | 809 ++++++++++++++++++++++++++++
 arch/arm/mach-exynos/Kconfig        |   9 +
 arch/arm/mach-exynos/mmu-arm64.c    |  34 ++
 5 files changed, 1594 insertions(+)
 create mode 100644 arch/arm/dts/exynos-pinctrl.h
 create mode 100644 arch/arm/dts/exynos850-pinctrl.dtsi
 create mode 100644 arch/arm/dts/exynos850.dtsi

diff --git a/arch/arm/dts/exynos-pinctrl.h b/arch/arm/dts/exynos-pinctrl.h
new file mode 100644
index 000000000000..7dd94a9b3652
--- /dev/null
+++ b/arch/arm/dts/exynos-pinctrl.h
@@ -0,0 +1,79 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Samsung Exynos DTS pinctrl constants
+ *
+ * Copyright (c) 2016 Samsung Electronics Co., Ltd.
+ *             http://www.samsung.com
+ * Copyright (c) 2022 Linaro Ltd
+ * Author: Krzysztof Kozlowski <k...@kernel.org>
+ */
+
+#ifndef __DTS_ARM64_SAMSUNG_EXYNOS_PINCTRL_H__
+#define __DTS_ARM64_SAMSUNG_EXYNOS_PINCTRL_H__
+
+#define EXYNOS_PIN_PULL_NONE           0
+#define EXYNOS_PIN_PULL_DOWN           1
+#define EXYNOS_PIN_PULL_UP             3
+
+/* Pin function in power down mode */
+#define EXYNOS_PIN_PDN_OUT0            0
+#define EXYNOS_PIN_PDN_OUT1            1
+#define EXYNOS_PIN_PDN_INPUT           2
+#define EXYNOS_PIN_PDN_PREV            3
+
+/*
+ * Drive strengths for Exynos5410, Exynos542x, Exynos5800, Exynos7885, 
Exynos850
+ * (except GPIO_HSI block), ExynosAutov9 (FSI0, PERIC1)
+ */
+#define EXYNOS5420_PIN_DRV_LV1         0
+#define EXYNOS5420_PIN_DRV_LV2         1
+#define EXYNOS5420_PIN_DRV_LV3         2
+#define EXYNOS5420_PIN_DRV_LV4         3
+
+/* Drive strengths for Exynos5433 */
+#define EXYNOS5433_PIN_DRV_FAST_SR1    0
+#define EXYNOS5433_PIN_DRV_FAST_SR2    1
+#define EXYNOS5433_PIN_DRV_FAST_SR3    2
+#define EXYNOS5433_PIN_DRV_FAST_SR4    3
+#define EXYNOS5433_PIN_DRV_FAST_SR5    4
+#define EXYNOS5433_PIN_DRV_FAST_SR6    5
+#define EXYNOS5433_PIN_DRV_SLOW_SR1    8
+#define EXYNOS5433_PIN_DRV_SLOW_SR2    9
+#define EXYNOS5433_PIN_DRV_SLOW_SR3    0xa
+#define EXYNOS5433_PIN_DRV_SLOW_SR4    0xb
+#define EXYNOS5433_PIN_DRV_SLOW_SR5    0xc
+#define EXYNOS5433_PIN_DRV_SLOW_SR6    0xf
+
+/* Drive strengths for Exynos7 (except FSYS1) */
+#define EXYNOS7_PIN_DRV_LV1            0
+#define EXYNOS7_PIN_DRV_LV2            2
+#define EXYNOS7_PIN_DRV_LV3            1
+#define EXYNOS7_PIN_DRV_LV4            3
+
+/* Drive strengths for Exynos7 FSYS1 block */
+#define EXYNOS7_FSYS1_PIN_DRV_LV1      0
+#define EXYNOS7_FSYS1_PIN_DRV_LV2      4
+#define EXYNOS7_FSYS1_PIN_DRV_LV3      2
+#define EXYNOS7_FSYS1_PIN_DRV_LV4      6
+#define EXYNOS7_FSYS1_PIN_DRV_LV5      1
+#define EXYNOS7_FSYS1_PIN_DRV_LV6      5
+
+/* Drive strengths for Exynos850 GPIO_HSI block */
+#define EXYNOS850_HSI_PIN_DRV_LV1      0       /* 1x   */
+#define EXYNOS850_HSI_PIN_DRV_LV1_5    1       /* 1.5x */
+#define EXYNOS850_HSI_PIN_DRV_LV2      2       /* 2x   */
+#define EXYNOS850_HSI_PIN_DRV_LV2_5    3       /* 2.5x */
+#define EXYNOS850_HSI_PIN_DRV_LV3      4       /* 3x   */
+#define EXYNOS850_HSI_PIN_DRV_LV4      5       /* 4x   */
+
+#define EXYNOS_PIN_FUNC_INPUT          0
+#define EXYNOS_PIN_FUNC_OUTPUT         1
+#define EXYNOS_PIN_FUNC_2              2
+#define EXYNOS_PIN_FUNC_3              3
+#define EXYNOS_PIN_FUNC_4              4
+#define EXYNOS_PIN_FUNC_5              5
+#define EXYNOS_PIN_FUNC_6              6
+#define EXYNOS_PIN_FUNC_EINT           0xf
+#define EXYNOS_PIN_FUNC_F              EXYNOS_PIN_FUNC_EINT
+
+#endif /* __DTS_ARM64_SAMSUNG_EXYNOS_PINCTRL_H__ */
diff --git a/arch/arm/dts/exynos850-pinctrl.dtsi 
b/arch/arm/dts/exynos850-pinctrl.dtsi
new file mode 100644
index 000000000000..424bc80bde68
--- /dev/null
+++ b/arch/arm/dts/exynos850-pinctrl.dtsi
@@ -0,0 +1,663 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Samsung's Exynos850 SoC pin-mux and pin-config device tree source
+ *
+ * Copyright (C) 2017 Samsung Electronics Co., Ltd.
+ * Copyright (C) 2021 Linaro Ltd.
+ *
+ * Samsung's Exynos850 SoC pin-mux and pin-config options are listed as device
+ * tree nodes in this file.
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include "exynos-pinctrl.h"
+
+&pinctrl_alive {
+       gpa0: gpa0-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+               interrupt-parent = <&gic>;
+               interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
+       gpa1: gpa1-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+               interrupt-parent = <&gic>;
+               interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
+       gpa2: gpa2-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+               interrupt-parent = <&gic>;
+               interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
+       gpa3: gpa3-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+               interrupt-parent = <&gic>;
+               interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
+       gpa4: gpa4-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+               interrupt-parent = <&gic>;
+               interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
+       gpq0: gpq0-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+
+       /* I2C5 (also called CAM_PMIC_I2C in TRM) */
+       i2c5_pins: i2c5-pins {
+               samsung,pins = "gpa3-5", "gpa3-6";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+       };
+
+       /* I2C6 (also called MOTOR_I2C in TRM) */
+       i2c6_pins: i2c6-pins {
+               samsung,pins = "gpa3-7", "gpa4-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+       };
+
+       /* USI: UART_DEBUG_0 pins */
+       uart0_pins: uart0-pins {
+               samsung,pins = "gpq0-0", "gpq0-1";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+       };
+
+       /* USI: UART_DEBUG_1 pins */
+       uart1_pins: uart1-pins {
+               samsung,pins = "gpa3-7", "gpa4-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+       };
+};
+
+&pinctrl_cmgp {
+       gpm0: gpm0-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+               interrupt-parent = <&gic>;
+               interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
+       gpm1: gpm1-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+               interrupt-parent = <&gic>;
+               interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
+       gpm2: gpm2-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+               interrupt-parent = <&gic>;
+               interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
+       gpm3: gpm3-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+               interrupt-parent = <&gic>;
+               interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
+       gpm4: gpm4-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+               interrupt-parent = <&gic>;
+               interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
+       gpm5: gpm5-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+               interrupt-parent = <&gic>;
+               interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
+       gpm6: gpm6-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+               interrupt-parent = <&gic>;
+               interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
+       gpm7: gpm7-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+               interrupt-parent = <&gic>;
+               interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
+       /* USI_CMGP0: HSI2C function */
+       hsi2c3_pins: hsi2c3-pins {
+               samsung,pins = "gpm0-0", "gpm1-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+       };
+
+       /* USI_CMGP0: UART function (4 pins, Auto Flow Control) */
+       uart1_single_pins: uart1-single-pins {
+               samsung,pins = "gpm0-0", "gpm1-0", "gpm2-0", "gpm3-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+       };
+
+       /* USI_CMGP0: UART function (2 pins, Non-Auto Flow Control) */
+       uart1_dual_pins: uart1-dual-pins {
+               samsung,pins = "gpm0-0", "gpm1-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+       };
+
+       /* USI_CMGP0: SPI function */
+       spi1_pins: spi1-pins {
+               samsung,pins = "gpm0-0", "gpm1-0", "gpm2-0", "gpm3-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+       };
+
+       /* USI_CMGP1: HSI2C function */
+       hsi2c4_pins: hsi2c4-pins {
+               samsung,pins = "gpm4-0", "gpm5-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+       };
+
+       /* USI_CMGP1: UART function (4 pins, Auto Flow Control) */
+       uart2_single_pins: uart2-single-pins {
+               samsung,pins = "gpm4-0", "gpm5-0", "gpm6-0", "gpm7-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+       };
+
+       /* USI_CMGP1: UART function (2 pins, Non-Auto Flow Control) */
+       uart2_dual_pins: uart2-dual-pins {
+               samsung,pins = "gpm4-0", "gpm5-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+       };
+
+       /* USI_CMGP1: SPI function */
+       spi2_pins: spi2-pins {
+               samsung,pins = "gpm4-0", "gpm5-0", "gpm6-0", "gpm7-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+       };
+};
+
+&pinctrl_aud {
+       gpb0: gpb0-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+
+       gpb1: gpb1-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+
+       aud_codec_mclk_pins: aud-codec-mclk-pins {
+               samsung,pins = "gpb0-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+       };
+
+       aud_codec_mclk_idle_pins: aud-codec-mclk-idle-pins {
+               samsung,pins = "gpb0-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+       };
+
+       aud_i2s0_pins: aud-i2s0-pins {
+               samsung,pins = "gpb0-1", "gpb0-2", "gpb0-3", "gpb0-4";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+       };
+
+       aud_i2s0_idle_pins: aud-i2s0-idle-pins {
+               samsung,pins = "gpb0-1", "gpb0-2", "gpb0-3", "gpb0-4";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+       };
+
+       aud_i2s1_pins: aud-i2s1-pins {
+               samsung,pins = "gpb1-0", "gpb1-1", "gpb1-2", "gpb1-3";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+       };
+
+       aud_i2s1_idle_pins: aud-i2s1-idle-pins {
+               samsung,pins = "gpb1-0", "gpb1-1", "gpb1-2", "gpb1-3";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+       };
+
+       aud_fm_pins: aud-fm-pins {
+               samsung,pins = "gpb1-4";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+       };
+
+       aud_fm_idle_pins: aud-fm-idle-pins {
+               samsung,pins = "gpb1-4";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+       };
+};
+
+&pinctrl_hsi {
+       gpf2: gpf2-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+
+       sd2_clk_pins: sd2-clk-pins {
+               samsung,pins = "gpf2-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+               samsung,pin-drv = <EXYNOS850_HSI_PIN_DRV_LV2>;
+       };
+
+       sd2_cmd_pins: sd2-cmd-pins {
+               samsung,pins = "gpf2-1";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+               samsung,pin-drv = <EXYNOS850_HSI_PIN_DRV_LV2>;
+        };
+
+       sd2_bus1_pins: sd2-bus1-pins {
+               samsung,pins = "gpf2-2";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+               samsung,pin-drv = <EXYNOS850_HSI_PIN_DRV_LV2>;
+       };
+
+       sd2_bus4_pins: sd2-bus4-pins {
+               samsung,pins = "gpf2-3", "gpf2-4", "gpf2-5";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+               samsung,pin-drv = <EXYNOS850_HSI_PIN_DRV_LV2>;
+       };
+
+       sd2_pdn_pins: sd2-pdn-pins {
+               samsung,pins = "gpf2-0", "gpf2-1", "gpf2-2", "gpf2-3",
+                              "gpf2-4", "gpf2-5";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+       };
+};
+
+&pinctrl_core {
+       gpf0: gpf0-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+
+       gpf1: gpf1-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+
+       sd0_clk_pins: sd0-clk-pins {
+               samsung,pins = "gpf0-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV4>;
+       };
+
+       sd0_cmd_pins: sd0-cmd-pins {
+               samsung,pins = "gpf0-1";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV4>;
+       };
+
+       sd0_rdqs_pins: sd0-rdqs-pins {
+               samsung,pins = "gpf0-2";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV4>;
+       };
+
+       sd0_nreset_pins: sd0-nreset-pins {
+               samsung,pins = "gpf0-3";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV4>;
+       };
+
+       sd0_bus1_pins: sd0-bus1-pins {
+               samsung,pins = "gpf1-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV4>;
+       };
+
+       sd0_bus4_pins: sd0-bus4-pins {
+               samsung,pins = "gpf1-1", "gpf1-2", "gpf1-3";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV4>;
+       };
+
+       sd0_bus8_pins: sd0-bus8-pins {
+               samsung,pins = "gpf1-4", "gpf1-5", "gpf1-6", "gpf1-7";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV4>;
+       };
+};
+
+&pinctrl_peri {
+       gpc0: gpc0-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+
+       gpc1: gpc1-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+
+       gpg0: gpg0-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+
+       gpg1: gpg1-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+
+       gpg2: gpg2-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+
+       gpg3: gpg3-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+
+       gpp0: gpp0-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+       gpp1: gpp1-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+
+       gpp2: gpp2-gpio-bank {
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+
+       sensor_mclk0_in_pins: sensor-mclk0-in-pins {
+               samsung,pins = "gpc0-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV3>;
+       };
+
+       sensor_mclk0_out_pins: sensor-mclk0-out-pins {
+               samsung,pins = "gpc0-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV3>;
+       };
+
+       sensor_mclk0_fn_pins: sensor-mclk0-fn-pins {
+               samsung,pins = "gpc0-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV3>;
+       };
+
+       sensor_mclk1_in_pins: sensor-mclk1-in-pins {
+               samsung,pins = "gpc0-1";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV3>;
+       };
+
+       sensor_mclk1_out_pins: sensor-mclk1-out-pins {
+               samsung,pins = "gpc0-1";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV3>;
+       };
+
+       sensor_mclk1_fn_pins: sensor-mclk1-fn-pins {
+               samsung,pins = "gpc0-1";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV3>;
+       };
+
+       sensor_mclk2_in_pins: sensor-mclk2-in-pins {
+               samsung,pins = "gpc0-2";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV3>;
+       };
+
+       sensor_mclk2_out_pins: sensor-mclk2-out-pins {
+               samsung,pins = "gpc0-2";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV3>;
+       };
+
+       sensor_mclk2_fn_pins: sensor-mclk2-fn-pins {
+               samsung,pins = "gpc0-2";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV3>;
+       };
+
+       /* USI: HSI2C0 */
+       hsi2c0_pins: hsi2c0-pins {
+               samsung,pins = "gpc1-0", "gpc1-1";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+       };
+
+       /* USI: HSI2C1 */
+       hsi2c1_pins: hsi2c1-pins {
+               samsung,pins = "gpc1-2", "gpc1-3";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+       };
+
+       /* USI: HSI2C2 */
+       hsi2c2_pins: hsi2c2-pins {
+               samsung,pins = "gpc1-4", "gpc1-5";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+       };
+
+       /* USI: SPI */
+       spi0_pins: spi0-pins {
+               samsung,pins = "gpp2-0", "gpp2-1", "gpp2-2", "gpp2-3";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+       };
+
+       i2c0_pins: i2c0-pins {
+               samsung,pins = "gpp0-0", "gpp0-1";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+       };
+
+       i2c1_pins: i2c1-pins {
+               samsung,pins = "gpp0-2", "gpp0-3";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+       };
+
+       i2c2_pins: i2c2-pins {
+               samsung,pins = "gpp0-4", "gpp0-5";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+       };
+
+       i2c3_pins: i2c3-pins {
+               samsung,pins = "gpp1-0", "gpp1-1";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+       };
+
+       i2c4_pins: i2c4-pins {
+               samsung,pins = "gpp1-2", "gpp1-3";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+       };
+
+       xclkout_pins: xclkout-pins {
+               samsung,pins = "gpq0-2";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+       };
+};
diff --git a/arch/arm/dts/exynos850.dtsi b/arch/arm/dts/exynos850.dtsi
new file mode 100644
index 000000000000..53104e65b9c6
--- /dev/null
+++ b/arch/arm/dts/exynos850.dtsi
@@ -0,0 +1,809 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Samsung Exynos850 SoC device tree source
+ *
+ * Copyright (C) 2018 Samsung Electronics Co., Ltd.
+ * Copyright (C) 2021 Linaro Ltd.
+ *
+ * Samsung Exynos850 SoC device nodes are listed in this file.
+ * Exynos850 based board files can include this file and provide
+ * values for board specific bindings.
+ */
+
+#include <dt-bindings/clock/exynos850.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/soc/samsung,exynos-usi.h>
+
+/ {
+       /* Also known under engineering name Exynos3830 */
+       compatible = "samsung,exynos850";
+       #address-cells = <2>;
+       #size-cells = <1>;
+
+       interrupt-parent = <&gic>;
+
+       aliases {
+               pinctrl0 = &pinctrl_alive;
+               pinctrl1 = &pinctrl_cmgp;
+               pinctrl2 = &pinctrl_aud;
+               pinctrl3 = &pinctrl_hsi;
+               pinctrl4 = &pinctrl_core;
+               pinctrl5 = &pinctrl_peri;
+       };
+
+       arm-pmu {
+               compatible = "arm,cortex-a55-pmu";
+               interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>;
+               interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>,
+                                    <&cpu4>, <&cpu5>, <&cpu6>, <&cpu7>;
+       };
+
+       /* Main system clock (XTCXO); external, must be 26 MHz */
+       oscclk: clock-oscclk {
+               compatible = "fixed-clock";
+               clock-output-names = "oscclk";
+               #clock-cells = <0>;
+       };
+
+       cpus {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               cpu-map {
+                       cluster0 {
+                               core0 {
+                                       cpu = <&cpu0>;
+                               };
+                               core1 {
+                                       cpu = <&cpu1>;
+                               };
+                               core2 {
+                                       cpu = <&cpu2>;
+                               };
+                               core3 {
+                                       cpu = <&cpu3>;
+                               };
+                       };
+
+                       cluster1 {
+                               core0 {
+                                       cpu = <&cpu4>;
+                               };
+                               core1 {
+                                       cpu = <&cpu5>;
+                               };
+                               core2 {
+                                       cpu = <&cpu6>;
+                               };
+                               core3 {
+                                       cpu = <&cpu7>;
+                               };
+                       };
+               };
+
+               cpu0: cpu@0 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a55";
+                       reg = <0x0>;
+                       enable-method = "psci";
+               };
+               cpu1: cpu@1 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a55";
+                       reg = <0x1>;
+                       enable-method = "psci";
+               };
+               cpu2: cpu@2 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a55";
+                       reg = <0x2>;
+                       enable-method = "psci";
+               };
+               cpu3: cpu@3 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a55";
+                       reg = <0x3>;
+                       enable-method = "psci";
+               };
+               cpu4: cpu@100 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a55";
+                       reg = <0x100>;
+                       enable-method = "psci";
+               };
+               cpu5: cpu@101 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a55";
+                       reg = <0x101>;
+                       enable-method = "psci";
+               };
+               cpu6: cpu@102 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a55";
+                       reg = <0x102>;
+                       enable-method = "psci";
+               };
+               cpu7: cpu@103 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a55";
+                       reg = <0x103>;
+                       enable-method = "psci";
+               };
+       };
+
+       psci {
+               compatible = "arm,psci-1.0";
+               method = "smc";
+       };
+
+       timer {
+               compatible = "arm,armv8-timer";
+               /* Hypervisor Virtual Timer interrupt is not wired to GIC */
+               interrupts =
+                    <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
+                    <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
+                    <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
+                    <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>;
+       };
+
+       soc: soc@0 {
+               compatible = "simple-bus";
+               #address-cells = <1>;
+               #size-cells = <1>;
+               ranges = <0x0 0x0 0x0 0x20000000>;
+
+               chipid@10000000 {
+                       compatible = "samsung,exynos850-chipid";
+                       reg = <0x10000000 0x100>;
+               };
+
+               timer@10040000 {
+                       compatible = "samsung,exynos850-mct",
+                                    "samsung,exynos4210-mct";
+                       reg = <0x10040000 0x800>;
+                       interrupts = <GIC_SPI 203 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 204 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 206 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 207 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 209 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 210 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 211 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 212 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 213 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 214 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&oscclk>, <&cmu_peri CLK_GOUT_MCT_PCLK>;
+                       clock-names = "fin_pll", "mct";
+               };
+
+               gic: interrupt-controller@12a01000 {
+                       compatible = "arm,gic-400";
+                       #interrupt-cells = <3>;
+                       #address-cells = <0>;
+                       reg = <0x12a01000 0x1000>,
+                             <0x12a02000 0x2000>,
+                             <0x12a04000 0x2000>,
+                             <0x12a06000 0x2000>;
+                       interrupt-controller;
+                       interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(8) |
+                                                IRQ_TYPE_LEVEL_HIGH)>;
+               };
+
+               pmu_system_controller: system-controller@11860000 {
+                       compatible = "samsung,exynos850-pmu", "syscon";
+                       reg = <0x11860000 0x10000>;
+
+                       reboot: syscon-reboot {
+                               compatible = "syscon-reboot";
+                               regmap = <&pmu_system_controller>;
+                               offset = <0x3a00>; /* SYSTEM_CONFIGURATION */
+                               mask = <0x2>; /* SWRESET_SYSTEM */
+                               value = <0x2>; /* reset value */
+                       };
+               };
+
+               watchdog_cl0: watchdog@10050000 {
+                       compatible = "samsung,exynos850-wdt";
+                       reg = <0x10050000 0x100>;
+                       interrupts = <GIC_SPI 228 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cmu_peri CLK_GOUT_WDT0_PCLK>, <&oscclk>;
+                       clock-names = "watchdog", "watchdog_src";
+                       samsung,syscon-phandle = <&pmu_system_controller>;
+                       samsung,cluster-index = <0>;
+                       status = "disabled";
+               };
+
+               watchdog_cl1: watchdog@10060000 {
+                       compatible = "samsung,exynos850-wdt";
+                       reg = <0x10060000 0x100>;
+                       interrupts = <GIC_SPI 229 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cmu_peri CLK_GOUT_WDT1_PCLK>, <&oscclk>;
+                       clock-names = "watchdog", "watchdog_src";
+                       samsung,syscon-phandle = <&pmu_system_controller>;
+                       samsung,cluster-index = <1>;
+                       status = "disabled";
+               };
+
+               cmu_peri: clock-controller@10030000 {
+                       compatible = "samsung,exynos850-cmu-peri";
+                       reg = <0x10030000 0x8000>;
+                       #clock-cells = <1>;
+
+                       clocks = <&oscclk>, <&cmu_top CLK_DOUT_PERI_BUS>,
+                                <&cmu_top CLK_DOUT_PERI_UART>,
+                                <&cmu_top CLK_DOUT_PERI_IP>;
+                       clock-names = "oscclk", "dout_peri_bus",
+                                     "dout_peri_uart", "dout_peri_ip";
+               };
+
+               cmu_g3d: clock-controller@11400000 {
+                       compatible = "samsung,exynos850-cmu-g3d";
+                       reg = <0x11400000 0x8000>;
+                       #clock-cells = <1>;
+
+                       clocks = <&oscclk>, <&cmu_top CLK_DOUT_G3D_SWITCH>;
+                       clock-names = "oscclk", "dout_g3d_switch";
+               };
+
+               cmu_apm: clock-controller@11800000 {
+                       compatible = "samsung,exynos850-cmu-apm";
+                       reg = <0x11800000 0x8000>;
+                       #clock-cells = <1>;
+
+                       clocks = <&oscclk>, <&cmu_top CLK_DOUT_CLKCMU_APM_BUS>;
+                       clock-names = "oscclk", "dout_clkcmu_apm_bus";
+               };
+
+               cmu_cmgp: clock-controller@11c00000 {
+                       compatible = "samsung,exynos850-cmu-cmgp";
+                       reg = <0x11c00000 0x8000>;
+                       #clock-cells = <1>;
+
+                       clocks = <&oscclk>, <&cmu_apm CLK_GOUT_CLKCMU_CMGP_BUS>;
+                       clock-names = "oscclk", "gout_clkcmu_cmgp_bus";
+               };
+
+               cmu_core: clock-controller@12000000 {
+                       compatible = "samsung,exynos850-cmu-core";
+                       reg = <0x12000000 0x8000>;
+                       #clock-cells = <1>;
+
+                       clocks = <&oscclk>, <&cmu_top CLK_DOUT_CORE_BUS>,
+                                <&cmu_top CLK_DOUT_CORE_CCI>,
+                                <&cmu_top CLK_DOUT_CORE_MMC_EMBD>,
+                                <&cmu_top CLK_DOUT_CORE_SSS>;
+                       clock-names = "oscclk", "dout_core_bus",
+                                     "dout_core_cci", "dout_core_mmc_embd",
+                                     "dout_core_sss";
+               };
+
+               cmu_top: clock-controller@120e0000 {
+                       compatible = "samsung,exynos850-cmu-top";
+                       reg = <0x120e0000 0x8000>;
+                       #clock-cells = <1>;
+
+                       clocks = <&oscclk>;
+                       clock-names = "oscclk";
+               };
+
+               cmu_mfcmscl: clock-controller@12c00000 {
+                       compatible = "samsung,exynos850-cmu-mfcmscl";
+                       reg = <0x12c00000 0x8000>;
+                       #clock-cells = <1>;
+
+                       clocks = <&oscclk>,
+                                <&cmu_top CLK_DOUT_MFCMSCL_MFC>,
+                                <&cmu_top CLK_DOUT_MFCMSCL_M2M>,
+                                <&cmu_top CLK_DOUT_MFCMSCL_MCSC>,
+                                <&cmu_top CLK_DOUT_MFCMSCL_JPEG>;
+                       clock-names = "oscclk", "dout_mfcmscl_mfc",
+                                     "dout_mfcmscl_m2m", "dout_mfcmscl_mcsc",
+                                     "dout_mfcmscl_jpeg";
+               };
+
+               cmu_dpu: clock-controller@13000000 {
+                       compatible = "samsung,exynos850-cmu-dpu";
+                       reg = <0x13000000 0x8000>;
+                       #clock-cells = <1>;
+
+                       clocks = <&oscclk>, <&cmu_top CLK_DOUT_DPU>;
+                       clock-names = "oscclk", "dout_dpu";
+               };
+
+               cmu_hsi: clock-controller@13400000 {
+                       compatible = "samsung,exynos850-cmu-hsi";
+                       reg = <0x13400000 0x8000>;
+                       #clock-cells = <1>;
+
+                       clocks = <&oscclk>,
+                                <&cmu_top CLK_DOUT_HSI_BUS>,
+                                <&cmu_top CLK_DOUT_HSI_MMC_CARD>,
+                                <&cmu_top CLK_DOUT_HSI_USB20DRD>;
+                       clock-names = "oscclk", "dout_hsi_bus",
+                                     "dout_hsi_mmc_card", "dout_hsi_usb20drd";
+               };
+
+               cmu_is: clock-controller@14500000 {
+                       compatible = "samsung,exynos850-cmu-is";
+                       reg = <0x14500000 0x8000>;
+                       #clock-cells = <1>;
+
+                       clocks = <&oscclk>,
+                                <&cmu_top CLK_DOUT_IS_BUS>,
+                                <&cmu_top CLK_DOUT_IS_ITP>,
+                                <&cmu_top CLK_DOUT_IS_VRA>,
+                                <&cmu_top CLK_DOUT_IS_GDC>;
+                       clock-names = "oscclk", "dout_is_bus", "dout_is_itp",
+                                     "dout_is_vra", "dout_is_gdc";
+               };
+
+               cmu_aud: clock-controller@14a00000 {
+                       compatible = "samsung,exynos850-cmu-aud";
+                       reg = <0x14a00000 0x8000>;
+                       #clock-cells = <1>;
+
+                       clocks = <&oscclk>, <&cmu_top CLK_DOUT_AUD>;
+                       clock-names = "oscclk", "dout_aud";
+               };
+
+               pinctrl_alive: pinctrl@11850000 {
+                       compatible = "samsung,exynos850-pinctrl";
+                       reg = <0x11850000 0x1000>;
+
+                       wakeup-interrupt-controller {
+                               compatible = "samsung,exynos850-wakeup-eint";
+                       };
+               };
+
+               pinctrl_cmgp: pinctrl@11c30000 {
+                       compatible = "samsung,exynos850-pinctrl";
+                       reg = <0x11c30000 0x1000>;
+
+                       wakeup-interrupt-controller {
+                               compatible = "samsung,exynos850-wakeup-eint";
+                       };
+               };
+
+               pinctrl_core: pinctrl@12070000 {
+                       compatible = "samsung,exynos850-pinctrl";
+                       reg = <0x12070000 0x1000>;
+                       interrupts = <GIC_SPI 451 IRQ_TYPE_LEVEL_HIGH>;
+               };
+
+               pinctrl_hsi: pinctrl@13430000 {
+                       compatible = "samsung,exynos850-pinctrl";
+                       reg = <0x13430000 0x1000>;
+                       interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
+               };
+
+               pinctrl_peri: pinctrl@139b0000 {
+                       compatible = "samsung,exynos850-pinctrl";
+                       reg = <0x139b0000 0x1000>;
+                       interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>;
+               };
+
+               pinctrl_aud: pinctrl@14a60000 {
+                       compatible = "samsung,exynos850-pinctrl";
+                       reg = <0x14a60000 0x1000>;
+               };
+
+               rtc: rtc@11a30000 {
+                       compatible = "samsung,s3c6410-rtc";
+                       reg = <0x11a30000 0x100>;
+                       interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cmu_apm CLK_GOUT_RTC_PCLK>;
+                       clock-names = "rtc";
+                       status = "disabled";
+               };
+
+               mmc_0: mmc@12100000 {
+                       compatible = "samsung,exynos7-dw-mshc-smu";
+                       reg = <0x12100000 0x2000>;
+                       interrupts = <GIC_SPI 452 IRQ_TYPE_LEVEL_HIGH>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       clocks = <&cmu_core CLK_GOUT_MMC_EMBD_ACLK>,
+                                <&cmu_core CLK_GOUT_MMC_EMBD_SDCLKIN>;
+                       clock-names = "biu", "ciu";
+                       fifo-depth = <0x40>;
+                       status = "disabled";
+               };
+
+               i2c_0: i2c@13830000 {
+                       compatible = "samsung,s3c2440-i2c";
+                       reg = <0x13830000 0x100>;
+                       interrupts = <GIC_SPI 196 IRQ_TYPE_LEVEL_HIGH>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&i2c0_pins>;
+                       clocks = <&cmu_peri CLK_GOUT_I2C0_PCLK>;
+                       clock-names = "i2c";
+                       status = "disabled";
+               };
+
+               i2c_1: i2c@13840000 {
+                       compatible = "samsung,s3c2440-i2c";
+                       reg = <0x13840000 0x100>;
+                       interrupts = <GIC_SPI 197 IRQ_TYPE_LEVEL_HIGH>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&i2c1_pins>;
+                       clocks = <&cmu_peri CLK_GOUT_I2C1_PCLK>;
+                       clock-names = "i2c";
+                       status = "disabled";
+               };
+
+               i2c_2: i2c@13850000 {
+                       compatible = "samsung,s3c2440-i2c";
+                       reg = <0x13850000 0x100>;
+                       interrupts = <GIC_SPI 198 IRQ_TYPE_LEVEL_HIGH>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&i2c2_pins>;
+                       clocks = <&cmu_peri CLK_GOUT_I2C2_PCLK>;
+                       clock-names = "i2c";
+                       status = "disabled";
+               };
+
+               i2c_3: i2c@13860000 {
+                       compatible = "samsung,s3c2440-i2c";
+                       reg = <0x13860000 0x100>;
+                       interrupts = <GIC_SPI 199 IRQ_TYPE_LEVEL_HIGH>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&i2c3_pins>;
+                       clocks = <&cmu_peri CLK_GOUT_I2C3_PCLK>;
+                       clock-names = "i2c";
+                       status = "disabled";
+               };
+
+               i2c_4: i2c@13870000 {
+                       compatible = "samsung,s3c2440-i2c";
+                       reg = <0x13870000 0x100>;
+                       interrupts = <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&i2c4_pins>;
+                       clocks = <&cmu_peri CLK_GOUT_I2C4_PCLK>;
+                       clock-names = "i2c";
+                       status = "disabled";
+               };
+
+               /* I2C_5 (also called CAM_PMIC_I2C in TRM) */
+               i2c_5: i2c@13880000 {
+                       compatible = "samsung,s3c2440-i2c";
+                       reg = <0x13880000 0x100>;
+                       interrupts = <GIC_SPI 201 IRQ_TYPE_LEVEL_HIGH>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&i2c5_pins>;
+                       clocks = <&cmu_peri CLK_GOUT_I2C5_PCLK>;
+                       clock-names = "i2c";
+                       status = "disabled";
+               };
+
+               /* I2C_6 (also called MOTOR_I2C in TRM) */
+               i2c_6: i2c@13890000 {
+                       compatible = "samsung,s3c2440-i2c";
+                       reg = <0x13890000 0x100>;
+                       interrupts = <GIC_SPI 202 IRQ_TYPE_LEVEL_HIGH>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&i2c6_pins>;
+                       clocks = <&cmu_peri CLK_GOUT_I2C6_PCLK>;
+                       clock-names = "i2c";
+                       status = "disabled";
+               };
+
+               sysmmu_mfcmscl: sysmmu@12c50000 {
+                       compatible = "samsung,exynos-sysmmu";
+                       reg = <0x12c50000 0x9000>;
+                       interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
+                       clock-names = "sysmmu";
+                       clocks = <&cmu_mfcmscl CLK_GOUT_MFCMSCL_SYSMMU_CLK>;
+                       #iommu-cells = <0>;
+               };
+
+               sysmmu_dpu: sysmmu@130c0000 {
+                       compatible = "samsung,exynos-sysmmu";
+                       reg = <0x130c0000 0x9000>;
+                       interrupts = <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>;
+                       clock-names = "sysmmu";
+                       clocks = <&cmu_dpu CLK_GOUT_DPU_SMMU_CLK>;
+                       #iommu-cells = <0>;
+               };
+
+               sysmmu_is0: sysmmu@14550000 {
+                       compatible = "samsung,exynos-sysmmu";
+                       reg = <0x14550000 0x9000>;
+                       interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>;
+                       clock-names = "sysmmu";
+                       clocks = <&cmu_is CLK_GOUT_IS_SYSMMU_IS0_CLK>;
+                       #iommu-cells = <0>;
+               };
+
+               sysmmu_is1: sysmmu@14570000 {
+                       compatible = "samsung,exynos-sysmmu";
+                       reg = <0x14570000 0x9000>;
+                       interrupts = <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>;
+                       clock-names = "sysmmu";
+                       clocks = <&cmu_is CLK_GOUT_IS_SYSMMU_IS1_CLK>;
+                       #iommu-cells = <0>;
+               };
+
+               sysmmu_aud: sysmmu@14850000 {
+                       compatible = "samsung,exynos-sysmmu";
+                       reg = <0x14850000 0x9000>;
+                       interrupts = <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>;
+                       clock-names = "sysmmu";
+                       clocks = <&cmu_aud CLK_GOUT_AUD_SYSMMU_CLK>;
+                       #iommu-cells = <0>;
+               };
+
+               sysreg_peri: syscon@10020000 {
+                       compatible = "samsung,exynos850-peri-sysreg",
+                                    "samsung,exynos850-sysreg", "syscon";
+                       reg = <0x10020000 0x10000>;
+                       clocks = <&cmu_peri CLK_GOUT_SYSREG_PERI_PCLK>;
+               };
+
+               sysreg_cmgp: syscon@11c20000 {
+                       compatible = "samsung,exynos850-cmgp-sysreg",
+                                    "samsung,exynos850-sysreg", "syscon";
+                       reg = <0x11c20000 0x10000>;
+                       clocks = <&cmu_cmgp CLK_GOUT_SYSREG_CMGP_PCLK>;
+               };
+
+               usbdrd: usb@13600000 {
+                       compatible = "samsung,exynos850-dwusb3";
+                       ranges = <0x0 0x13600000 0x10000>;
+                       clocks = <&cmu_hsi CLK_GOUT_USB_BUS_EARLY_CLK>,
+                                <&cmu_hsi CLK_GOUT_USB_REF_CLK>;
+                       clock-names = "bus_early", "ref";
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+                       status = "disabled";
+
+                       usbdrd_dwc3: usb@0 {
+                               compatible = "snps,dwc3";
+                               reg = <0x0 0x10000>;
+                               interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>;
+                               phys = <&usbdrd_phy 0>;
+                               phy-names = "usb2-phy";
+                       };
+               };
+
+               usbdrd_phy: phy@135d0000 {
+                       compatible = "samsung,exynos850-usbdrd-phy";
+                       reg = <0x135d0000 0x100>;
+                       clocks = <&cmu_hsi CLK_GOUT_USB_PHY_ACLK>,
+                                <&cmu_hsi CLK_GOUT_USB_PHY_REF_CLK>;
+                       clock-names = "phy", "ref";
+                       samsung,pmu-syscon = <&pmu_system_controller>;
+                       #phy-cells = <1>;
+                       status = "disabled";
+               };
+
+               usi_uart: usi@138200c0 {
+                       compatible = "samsung,exynos850-usi";
+                       reg = <0x138200c0 0x20>;
+                       samsung,sysreg = <&sysreg_peri 0x1010>;
+                       samsung,mode = <USI_V2_UART>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+                       ranges;
+                       clocks = <&cmu_peri CLK_GOUT_UART_PCLK>,
+                                <&cmu_peri CLK_GOUT_UART_IPCLK>;
+                       clock-names = "pclk", "ipclk";
+                       status = "disabled";
+
+                       serial_0: serial@13820000 {
+                               compatible = "samsung,exynos850-uart";
+                               reg = <0x13820000 0xc0>;
+                               interrupts = <GIC_SPI 227 IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&uart0_pins>;
+                               clocks = <&cmu_peri CLK_GOUT_UART_PCLK>,
+                                        <&cmu_peri CLK_GOUT_UART_IPCLK>;
+                               clock-names = "uart", "clk_uart_baud0";
+                               status = "disabled";
+                       };
+               };
+
+               usi_hsi2c_0: usi@138a00c0 {
+                       compatible = "samsung,exynos850-usi";
+                       reg = <0x138a00c0 0x20>;
+                       samsung,sysreg = <&sysreg_peri 0x1020>;
+                       samsung,mode = <USI_V2_I2C>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+                       ranges;
+                       clocks = <&cmu_peri CLK_GOUT_HSI2C0_PCLK>,
+                                <&cmu_peri CLK_GOUT_HSI2C0_IPCLK>;
+                       clock-names = "pclk", "ipclk";
+                       status = "disabled";
+
+                       hsi2c_0: i2c@138a0000 {
+                               compatible = "samsung,exynosautov9-hsi2c";
+                               reg = <0x138a0000 0xc0>;
+                               interrupts = <GIC_SPI 193 IRQ_TYPE_LEVEL_HIGH>;
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&hsi2c0_pins>;
+                               clocks = <&cmu_peri CLK_GOUT_HSI2C0_IPCLK>,
+                                        <&cmu_peri CLK_GOUT_HSI2C0_PCLK>;
+                               clock-names = "hsi2c", "hsi2c_pclk";
+                               status = "disabled";
+                       };
+               };
+
+               usi_hsi2c_1: usi@138b00c0 {
+                       compatible = "samsung,exynos850-usi";
+                       reg = <0x138b00c0 0x20>;
+                       samsung,sysreg = <&sysreg_peri 0x1030>;
+                       samsung,mode = <USI_V2_I2C>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+                       ranges;
+                       clocks = <&cmu_peri CLK_GOUT_HSI2C1_PCLK>,
+                                <&cmu_peri CLK_GOUT_HSI2C1_IPCLK>;
+                       clock-names = "pclk", "ipclk";
+                       status = "disabled";
+
+                       hsi2c_1: i2c@138b0000 {
+                               compatible = "samsung,exynosautov9-hsi2c";
+                               reg = <0x138b0000 0xc0>;
+                               interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_HIGH>;
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&hsi2c1_pins>;
+                               clocks = <&cmu_peri CLK_GOUT_HSI2C1_IPCLK>,
+                                        <&cmu_peri CLK_GOUT_HSI2C1_PCLK>;
+                               clock-names = "hsi2c", "hsi2c_pclk";
+                               status = "disabled";
+                       };
+               };
+
+               usi_hsi2c_2: usi@138c00c0 {
+                       compatible = "samsung,exynos850-usi";
+                       reg = <0x138c00c0 0x20>;
+                       samsung,sysreg = <&sysreg_peri 0x1040>;
+                       samsung,mode = <USI_V2_I2C>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+                       ranges;
+                       clocks = <&cmu_peri CLK_GOUT_HSI2C2_PCLK>,
+                                <&cmu_peri CLK_GOUT_HSI2C2_IPCLK>;
+                       clock-names = "pclk", "ipclk";
+                       status = "disabled";
+
+                       hsi2c_2: i2c@138c0000 {
+                               compatible = "samsung,exynosautov9-hsi2c";
+                               reg = <0x138c0000 0xc0>;
+                               interrupts = <GIC_SPI 195 IRQ_TYPE_LEVEL_HIGH>;
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&hsi2c2_pins>;
+                               clocks = <&cmu_peri CLK_GOUT_HSI2C2_IPCLK>,
+                                        <&cmu_peri CLK_GOUT_HSI2C2_PCLK>;
+                               clock-names = "hsi2c", "hsi2c_pclk";
+                               status = "disabled";
+                       };
+               };
+
+               usi_spi_0: usi@139400c0 {
+                       compatible = "samsung,exynos850-usi";
+                       reg = <0x139400c0 0x20>;
+                       samsung,sysreg = <&sysreg_peri 0x1050>;
+                       samsung,mode = <USI_V2_SPI>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+                       ranges;
+                       clocks = <&cmu_peri CLK_GOUT_SPI0_PCLK>,
+                                <&cmu_peri CLK_GOUT_SPI0_IPCLK>;
+                       clock-names = "pclk", "ipclk";
+                       status = "disabled";
+               };
+
+               usi_cmgp0: usi@11d000c0 {
+                       compatible = "samsung,exynos850-usi";
+                       reg = <0x11d000c0 0x20>;
+                       samsung,sysreg = <&sysreg_cmgp 0x2000>;
+                       samsung,mode = <USI_V2_I2C>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+                       ranges;
+                       clocks = <&cmu_cmgp CLK_GOUT_CMGP_USI0_PCLK>,
+                                <&cmu_cmgp CLK_GOUT_CMGP_USI0_IPCLK>;
+                       clock-names = "pclk", "ipclk";
+                       status = "disabled";
+
+                       hsi2c_3: i2c@11d00000 {
+                               compatible = "samsung,exynosautov9-hsi2c";
+                               reg = <0x11d00000 0xc0>;
+                               interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&hsi2c3_pins>;
+                               clocks = <&cmu_cmgp CLK_GOUT_CMGP_USI0_IPCLK>,
+                                        <&cmu_cmgp CLK_GOUT_CMGP_USI0_PCLK>;
+                               clock-names = "hsi2c", "hsi2c_pclk";
+                               status = "disabled";
+                       };
+
+                       serial_1: serial@11d00000 {
+                               compatible = "samsung,exynos850-uart";
+                               reg = <0x11d00000 0xc0>;
+                               interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&uart1_single_pins>;
+                               clocks = <&cmu_cmgp CLK_GOUT_CMGP_USI0_PCLK>,
+                                        <&cmu_cmgp CLK_GOUT_CMGP_USI0_IPCLK>;
+                               clock-names = "uart", "clk_uart_baud0";
+                               status = "disabled";
+                       };
+               };
+
+               usi_cmgp1: usi@11d200c0 {
+                       compatible = "samsung,exynos850-usi";
+                       reg = <0x11d200c0 0x20>;
+                       samsung,sysreg = <&sysreg_cmgp 0x2010>;
+                       samsung,mode = <USI_V2_I2C>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+                       ranges;
+                       clocks = <&cmu_cmgp CLK_GOUT_CMGP_USI1_PCLK>,
+                                <&cmu_cmgp CLK_GOUT_CMGP_USI1_IPCLK>;
+                       clock-names = "pclk", "ipclk";
+                       status = "disabled";
+
+                       hsi2c_4: i2c@11d20000 {
+                               compatible = "samsung,exynosautov9-hsi2c";
+                               reg = <0x11d20000 0xc0>;
+                               interrupts = <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>;
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&hsi2c4_pins>;
+                               clocks = <&cmu_cmgp CLK_GOUT_CMGP_USI1_IPCLK>,
+                                        <&cmu_cmgp CLK_GOUT_CMGP_USI1_PCLK>;
+                               clock-names = "hsi2c", "hsi2c_pclk";
+                               status = "disabled";
+                       };
+
+                       serial_2: serial@11d20000 {
+                               compatible = "samsung,exynos850-uart";
+                               reg = <0x11d20000 0xc0>;
+                               interrupts = <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&uart2_single_pins>;
+                               clocks = <&cmu_cmgp CLK_GOUT_CMGP_USI1_PCLK>,
+                                        <&cmu_cmgp CLK_GOUT_CMGP_USI1_IPCLK>;
+                               clock-names = "uart", "clk_uart_baud0";
+                               status = "disabled";
+                       };
+               };
+       };
+};
+
+#include "exynos850-pinctrl.dtsi"
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index 8f3aee052c8a..45fc6bb024b0 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -58,6 +58,15 @@ config ARCH_EXYNOS7
          Cortex-A53 CPU (and some in a big.LITTLE configuration). There are
          multiple SoCs in this family including Exynos7420.
 
+config ARCH_EXYNOS9
+       bool "Exynos9 SoC family"
+       select ARM64
+       select BLK
+       select DM_MMC
+       help
+         Samsung Exynos9 SoC family are based on ARMv8 Cortex CPU. There are
+         multiple SoCs in this family including Exynos850.
+
 endchoice
 
 if ARCH_EXYNOS4
diff --git a/arch/arm/mach-exynos/mmu-arm64.c b/arch/arm/mach-exynos/mmu-arm64.c
index 8d8c64e8f8fa..30e522804fbf 100644
--- a/arch/arm/mach-exynos/mmu-arm64.c
+++ b/arch/arm/mach-exynos/mmu-arm64.c
@@ -6,6 +6,7 @@
 
 #include <common.h>
 #include <asm/armv8/mmu.h>
+#include <linux/sizes.h>
 
 #if IS_ENABLED(CONFIG_EXYNOS7420)
 
@@ -95,4 +96,37 @@ static struct mm_region exynos7880_mem_map[] = {
 };
 
 struct mm_region *mem_map = exynos7880_mem_map;
+
+#elif IS_ENABLED(CONFIG_EXYNOS850)
+
+static struct mm_region exynos850_mem_map[] = {
+       {
+               /* Peripheral block */
+               .virt = 0x10000000UL,
+               .phys = 0x10000000UL,
+               .size = SZ_256M,
+               .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+                        PTE_BLOCK_NON_SHARE |
+                        PTE_BLOCK_PXN | PTE_BLOCK_UXN
+       }, {
+               /* DDR, 32-bit area */
+               .virt = 0x80000000UL,
+               .phys = 0x80000000UL,
+               .size = SZ_2G,
+               .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+                        PTE_BLOCK_INNER_SHARE
+       }, {
+               /* DDR, 64-bit area */
+               .virt = 0x880000000UL,
+               .phys = 0x880000000UL,
+               .size = SZ_2G,
+               .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+                        PTE_BLOCK_INNER_SHARE
+       }, {
+               /* List terminator */
+       }
+};
+
+struct mm_region *mem_map = exynos850_mem_map;
+
 #endif
-- 
2.39.2

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