Hi Naoki,

    Please add simple descrption for this new board,

and does the dts merged in mainline kernel? if yes, please reference the commit number or tag.


Thanks,

- Kever

On 2022/10/19 15:37, FUKAUMI Naoki wrote:
this patch add support for Radxa ROCK 4C Plus.

Signed-off-by: FUKAUMI Naoki <na...@radxa.com>
---
  arch/arm/dts/Makefile                        |   1 +
  arch/arm/dts/rk3399-rock-4c-plus-u-boot.dtsi |   6 +
  arch/arm/dts/rk3399-rock-4c-plus.dts         | 703 +++++++++++++++++++
  arch/arm/dts/rk3399-t-opp.dtsi               | 114 +++
  configs/rock-4c-plus-rk3399_defconfig        |  90 +++
  5 files changed, 914 insertions(+)
  create mode 100644 arch/arm/dts/rk3399-rock-4c-plus-u-boot.dtsi
  create mode 100644 arch/arm/dts/rk3399-rock-4c-plus.dts
  create mode 100644 arch/arm/dts/rk3399-t-opp.dtsi
  create mode 100644 configs/rock-4c-plus-rk3399_defconfig

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 965895bc2a..74904599d7 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -156,6 +156,7 @@ dtb-$(CONFIG_ROCKCHIP_RK3399) += \
        rk3399-puma-haikou.dtb \
        rk3399-roc-pc.dtb \
        rk3399-roc-pc-mezzanine.dtb \
+       rk3399-rock-4c-plus.dtb \
        rk3399-rock-pi-4a.dtb \
        rk3399-rock-pi-4b.dtb \
        rk3399-rock-pi-4c.dtb \
diff --git a/arch/arm/dts/rk3399-rock-4c-plus-u-boot.dtsi 
b/arch/arm/dts/rk3399-rock-4c-plus-u-boot.dtsi
new file mode 100644
index 0000000000..b7dcd2e05d
--- /dev/null
+++ b/arch/arm/dts/rk3399-rock-4c-plus-u-boot.dtsi
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2022 Radxa Limited
+ */
+
+#include "rk3399-rock-pi-4-u-boot.dtsi"
diff --git a/arch/arm/dts/rk3399-rock-4c-plus.dts 
b/arch/arm/dts/rk3399-rock-4c-plus.dts
new file mode 100644
index 0000000000..f9884902f8
--- /dev/null
+++ b/arch/arm/dts/rk3399-rock-4c-plus.dts
@@ -0,0 +1,703 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd
+ * Copyright (c) 2019 Radxa Limited
+ * Copyright (c) 2022 Amarula Solutions(India)
+ */
+
+/dts-v1/;
+#include <dt-bindings/leds/common.h>
+#include "rk3399.dtsi"
+#include "rk3399-t-opp.dtsi"
+
+/ {
+       model = "Radxa ROCK 4C+";
+       compatible = "radxa,rock-4c-plus", "rockchip,rk3399";
+
+       aliases {
+               mmc0 = &sdmmc;
+               mmc1 = &sdhci;
+       };
+
+       chosen {
+               stdout-path = "serial2:1500000n8";
+       };
+
+       clkin_gmac: external-gmac-clock {
+               compatible = "fixed-clock";
+               clock-frequency = <125000000>;
+               clock-output-names = "clkin_gmac";
+               #clock-cells = <0>;
+       };
+
+       leds {
+               compatible = "gpio-leds";
+               pinctrl-names = "default";
+               pinctrl-0 = <&user_led1 &user_led2>;
+
+               /* USER_LED1 */
+               led-0 {
+                       function = LED_FUNCTION_POWER;
+                       color = <LED_COLOR_ID_GREEN>;
+                       gpios = <&gpio3 RK_PD4 GPIO_ACTIVE_LOW>;
+                       linux,default-trigger = "default-on";
+               };
+
+               /* USER_LED2 */
+               led-1 {
+                       function = LED_FUNCTION_STATUS;
+                       color = <LED_COLOR_ID_BLUE>;
+                       gpios = <&gpio3 RK_PD5 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "heartbeat";
+               };
+       };
+
+       sdio_pwrseq: sdio-pwrseq {
+               compatible = "mmc-pwrseq-simple";
+               clocks = <&rk809 1>;
+               clock-names = "ext_clock";
+               pinctrl-names = "default";
+               pinctrl-0 = <&wifi_enable_h>;
+               reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
+       };
+
+       vcc_3v3: vcc-3v3-regulator {
+               compatible = "regulator-fixed";
+               regulator-name = "vcc_3v3";
+               regulator-always-on;
+               regulator-boot-on;
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               vin-supply = <&vcc3v3_sys>;
+       };
+
+       vcc3v3_phy1: vcc3v3-phy1-regulator {
+               compatible = "regulator-fixed";
+               regulator-name = "vcc3v3_phy1";
+               regulator-always-on;
+               regulator-boot-on;
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               vin-supply = <&vcc_3v3>;
+       };
+
+       vcc5v0_host1: vcc5v0-host-regulator {
+               compatible = "regulator-fixed";
+               enable-active-high;
+               gpio = <&gpio3 RK_PD6 GPIO_ACTIVE_HIGH>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&vcc5v0_host_en>;
+               regulator-name = "vcc5v0_host1";
+               regulator-always-on;
+               regulator-boot-on;
+               vin-supply = <&vcc5v0_host0_s0>;
+       };
+
+       vcc5v0_sys: vcc5v0-sys-regulator {
+               compatible = "regulator-fixed";
+               regulator-name = "vcc5v0_sys";
+               regulator-always-on;
+               regulator-boot-on;
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+       };
+
+       vcc5v0_typec: vcc5v0-typec-regulator {
+               compatible = "regulator-fixed";
+               enable-active-high;
+               gpio = <&gpio1 RK_PA3 GPIO_ACTIVE_HIGH>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&vcc5v0_typec0_en>;
+               regulator-name = "vcc5v0_typec";
+               regulator-always-on;
+               regulator-boot-on;
+               vin-supply = <&vcc5v0_sys>;
+       };
+
+       vdd_log: vdd-log-regulator {
+               compatible = "regulator-fixed";
+               regulator-name = "vdd_log";
+               regulator-always-on;
+               regulator-boot-on;
+               regulator-min-microvolt = <950000>;
+               regulator-max-microvolt = <950000>;
+               vin-supply = <&vcc5v0_sys>;
+       };
+};
+
+&cpu_l0 {
+       cpu-supply = <&vdd_cpu_l>;
+};
+
+&cpu_l1 {
+       cpu-supply = <&vdd_cpu_l>;
+};
+
+&cpu_l2 {
+       cpu-supply = <&vdd_cpu_l>;
+};
+
+&cpu_l3 {
+       cpu-supply = <&vdd_cpu_l>;
+};
+
+&cpu_b0 {
+       cpu-supply = <&vdd_cpu_b>;
+};
+
+&cpu_b1 {
+       cpu-supply = <&vdd_cpu_b>;
+};
+
+&emmc_phy {
+       status = "okay";
+};
+
+&gmac {
+       assigned-clocks = <&cru SCLK_RMII_SRC>;
+       assigned-clock-parents = <&clkin_gmac>;
+       clock_in_out = "input";
+       phy-supply = <&vcc3v3_phy1>;
+       phy-mode = "rgmii";
+       pinctrl-names = "default";
+       pinctrl-0 = <&rgmii_pins>;
+       snps,reset-gpio = <&gpio3 RK_PB7 GPIO_ACTIVE_LOW>;
+       snps,reset-active-low;
+       snps,reset-delays-us = <0 10000 50000>;
+       tx_delay = <0x2a>;
+       rx_delay = <0x21>;
+       status = "okay";
+};
+
+&gpu {
+       mali-supply = <&vdd_gpu>;
+       status = "okay";
+};
+
+&hdmi {
+       avdd-0v9-supply = <&vcc_0v9_s0>;
+       avdd-1v8-supply = <&vcc_1v8_s0>;
+       ddc-i2c-bus = <&i2c3>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&hdmi_cec>;
+       status = "okay";
+};
+
+&hdmi_sound {
+       status = "okay";
+};
+
+&i2c0 {
+       status = "okay";
+       i2c-scl-falling-time-ns = <30>;
+       i2c-scl-rising-time-ns = <180>;
+       clock-frequency = <400000>;
+
+       rk809: pmic@20 {
+               compatible = "rockchip,rk809";
+               reg = <0x20>;
+               interrupt-parent = <&gpio1>;
+               interrupts = <RK_PC5 IRQ_TYPE_LEVEL_LOW>;
+               #clock-cells = <1>;
+               clock-output-names = "rk808-clkout1", "rk808-clkout2";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pmic_int_l>;
+               rockchip,system-power-controller;
+               wakeup-source;
+
+               vcc1-supply = <&vcc5v0_sys>;
+               vcc2-supply = <&vcc5v0_sys>;
+               vcc3-supply = <&vcc5v0_sys>;
+               vcc4-supply = <&vcc5v0_sys>;
+               vcc5-supply = <&vcc_buck5_s3>;
+               vcc6-supply = <&vcc_buck5_s3>;
+               vcc7-supply = <&vcc5v0_sys>;
+               vcc8-supply = <&vcc3v3_sys>;
+               vcc9-supply = <&vcc5v0_sys>;
+
+               regulators {
+                       vdd_center: DCDC_REG1 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <750000>;
+                               regulator-max-microvolt = <1350000>;
+                               regulator-initial-mode = <0x2>;
+                               regulator-name = "vdd_center";
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                                       regulator-suspend-microvolt = <900000>;
+                               };
+                       };
+
+                       vdd_cpu_l: DCDC_REG2 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <750000>;
+                               regulator-max-microvolt = <1350000>;
+                               regulator-ramp-delay = <6001>;
+                               regulator-initial-mode = <0x2>;
+                               regulator-name = "vdd_cpu_l";
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vcc_ddr: DCDC_REG3 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-name = "vcc_ddr";
+                               regulator-initial-mode = <0x2>;
+                               regulator-state-mem {
+                                       regulator-on-in-suspend;
+                               };
+                       };
+
+                       vcc3v3_sys: DCDC_REG4 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <3300000>;
+                               regulator-max-microvolt = <3300000>;
+                               regulator-initial-mode = <0x2>;
+                               regulator-name = "vcc3v3_sys";
+                               regulator-state-mem {
+                                       regulator-on-in-suspend;
+                                       regulator-suspend-microvolt = <3300000>;
+                               };
+                       };
+
+                       vcc_buck5_s3: DCDC_REG5 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <3300000>;
+                               regulator-max-microvolt = <3300000>;
+                               regulator-name = "vcc_buck5_s3";
+                               regulator-state-mem {
+                                       regulator-on-in-suspend;
+                                       regulator-suspend-microvolt = <3300000>;
+                               };
+                       };
+
+                       vcc_0v9_s3: LDO_REG1 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <900000>;
+                               regulator-max-microvolt = <900000>;
+                               regulator-name = "vcc_0v9_s3";
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vcc_1v8_s3: LDO_REG2 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
+                               regulator-name = "vcc_1v8_s3";
+                               regulator-state-mem {
+                                       regulator-on-in-suspend;
+                                       regulator-suspend-microvolt = <1800000>;
+                               };
+                       };
+
+                       vcc_0v9_s0: LDO_REG3 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <900000>;
+                               regulator-max-microvolt = <900000>;
+                               regulator-name = "vcc_0v9_s0";
+                               regulator-state-mem {
+                                       regulator-on-in-suspend;
+                                       regulator-suspend-microvolt = <900000>;
+                               };
+                       };
+
+                       vcc_1v8_s0: LDO_REG4 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
+                               regulator-name = "vcc_1v8_s0";
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vcc_mipi: LDO_REG5 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <3000000>;
+                               regulator-max-microvolt = <3000000>;
+                               regulator-name = "vcc_mipi";
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vcc_1v5_s0: LDO_REG6 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <1500000>;
+                               regulator-max-microvolt = <1500000>;
+                               regulator-name = "vcc_1v5_s0";
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vcc_3v0_s0: LDO_REG7 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <3000000>;
+                               regulator-max-microvolt = <3000000>;
+                               regulator-name = "vcc_3v0_s0";
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vcc_sdio_s0: LDO_REG8 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <3300000>;
+                               regulator-name = "vcc_sdio_s0";
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vcc_cam: LDO_REG9 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <3300000>;
+                               regulator-max-microvolt = <3300000>;
+                               regulator-name = "vcc_cam";
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vcc5v0_host0_s0: SWITCH_REG1 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-name = "vcc5v0_host0_s0";
+                               regulator-state-mem {
+                                       regulator-on-in-suspend;
+                               };
+                       };
+
+                       lcd_3v3: SWITCH_REG2 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-name = "lcd_3v3";
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+               };
+       };
+
+       vdd_cpu_b: regulator@40 {
+               compatible = "silergy,syr827";
+               reg = <0x40>;
+               fcs,suspend-voltage-selector = <1>;
+               regulator-compatible = "fan53555-reg";
+               pinctrl-0 = <&vsel1_gpio>;
+               vsel-gpios = <&gpio1 RK_PC1 GPIO_ACTIVE_HIGH>;
+               regulator-name = "vdd_cpu_b";
+               regulator-min-microvolt = <712500>;
+               regulator-max-microvolt = <1500000>;
+               regulator-ramp-delay = <1000>;
+               regulator-always-on;
+               regulator-boot-on;
+               vin-supply = <&vcc5v0_sys>;
+               regulator-state-mem {
+                       regulator-off-in-suspend;
+               };
+       };
+
+       vdd_gpu: regulator@41 {
+               compatible = "silergy,syr828";
+               reg = <0x41>;
+               fcs,suspend-voltage-selector = <1>;
+               regulator-compatible = "fan53555-reg";
+               pinctrl-0 = <&vsel2_gpio>;
+               vsel-gpios = <&gpio1 RK_PB6 GPIO_ACTIVE_HIGH>;
+               regulator-name = "vdd_gpu";
+               regulator-min-microvolt = <712500>;
+               regulator-max-microvolt = <1500000>;
+               regulator-ramp-delay = <1000>;
+               regulator-always-on;
+               regulator-boot-on;
+               vin-supply = <&vcc5v0_sys>;
+               regulator-initial-mode = <1>; /* 1:force PWM 2:auto */
+               regulator-state-mem {
+                       regulator-off-in-suspend;
+               };
+       };
+};
+
+&i2c3 {
+       i2c-scl-rising-time-ns = <450>;
+       i2c-scl-falling-time-ns = <15>;
+       status = "okay";
+};
+
+&i2s2 {
+       status = "okay";
+};
+
+&io_domains {
+       audio-supply = <&vcc_1v8_s0>;
+       bt656-supply = <&vcc_3v0_s0>;
+       gpio1830-supply = <&vcc_3v0_s0>;
+       sdmmc-supply = <&vcc_sdio_s0>;
+       status = "okay";
+};
+
+&pinctrl {
+       bt {
+               bt_enable_h: bt-enable-h {
+                       rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+
+               bt_host_wake_l: bt-host-wake-l {
+                       rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+
+               bt_wake_l: bt-wake-l {
+                       rockchip,pins = <2 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+       };
+
+       leds {
+               user_led1: user-led1 {
+                       rockchip,pins = <3 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+
+               user_led2: user-led2 {
+                       rockchip,pins = <3 RK_PD5 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+       };
+
+       pmic {
+               pmic_int_l: pmic-int-l {
+                       rockchip,pins = <1 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>;
+               };
+
+               vsel1_gpio: vsel1-gpio {
+                       rockchip,pins = <1 RK_PC1 RK_FUNC_GPIO &pcfg_pull_down>;
+               };
+
+               vsel2_gpio: vsel2-gpio {
+                       rockchip,pins = <1 RK_PB6 RK_FUNC_GPIO &pcfg_pull_down>;
+               };
+       };
+
+       sdmmc {
+               sdmmc_bus4: sdmmc-bus4 {
+                       rockchip,pins = <4 8 1 &pcfg_pull_up_8ma>,
+                                       <4 9 1 &pcfg_pull_up_8ma>,
+                                       <4 10 1 &pcfg_pull_up_8ma>,
+                                       <4 11 1 &pcfg_pull_up_8ma>;
+               };
+
+               sdmmc_clk: sdmmc-clk {
+                       rockchip,pins = <4 12 1 &pcfg_pull_none_18ma>;
+               };
+
+               sdmmc_cmd: sdmmc-cmd {
+                       rockchip,pins = <4 13 1 &pcfg_pull_up_8ma>;
+               };
+       };
+
+       usb-typec {
+               vcc5v0_typec0_en: vcc5v0-typec-en {
+                       rockchip,pins = <1 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
+               };
+       };
+
+       usb2 {
+               vcc5v0_host_en: vcc5v0-host-en {
+                       rockchip,pins = <3 RK_PD6 RK_FUNC_GPIO &pcfg_pull_up>;
+               };
+       };
+
+       wifi {
+               wifi_enable_h: wifi-enable-h {
+                       rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+
+               wifi_host_wake_l: wifi-host-wake-l {
+                       rockchip,pins = <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+       };
+};
+
+&pmu_io_domains {
+       pmu1830-supply = <&vcc_3v0_s0>;
+       status = "okay";
+};
+
+&saradc {
+       status = "okay";
+       vref-supply = <&vcc_1v8_s3>;
+};
+
+&sdhci {
+       max-frequency = <150000000>;
+       bus-width = <8>;
+       mmc-hs400-1_8v;
+       non-removable;
+       mmc-hs400-enhanced-strobe;
+       status = "okay";
+};
+
+&sdio0 {
+       #address-cells = <1>;
+       #size-cells = <0>;
+       bus-width = <4>;
+       clock-frequency = <50000000>;
+       cap-sdio-irq;
+       cap-sd-highspeed;
+       keep-power-in-suspend;
+       mmc-pwrseq = <&sdio_pwrseq>;
+       non-removable;
+       pinctrl-names = "default";
+       pinctrl-0 = <&sdio0_bus4 &sdio0_cmd &sdio0_clk>;
+       sd-uhs-sdr104;
+       status = "okay";
+
+       brcmf: wifi@1 {
+               compatible = "brcm,bcm4329-fmac";
+               reg = <1>;
+               interrupt-parent = <&gpio0>;
+               interrupts = <RK_PA3 IRQ_TYPE_LEVEL_HIGH>;
+               interrupt-names = "host-wake";
+               pinctrl-names = "default";
+               pinctrl-0 = <&wifi_host_wake_l>;
+       };
+};
+
+&sdmmc {
+       bus-width = <4>;
+       cap-mmc-highspeed;
+       cap-sd-highspeed;
+       card-detect-delay = <800>;
+       disable-wp;
+       pinctrl-names = "default";
+       pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_bus4>;
+       cd-gpios = <&gpio0 RK_PA7 GPIO_ACTIVE_LOW>;
+       vqmmc-supply = <&vcc_sdio_s0>;
+       status = "okay";
+};
+
+&tcphy0 {
+       status = "okay";
+};
+
+&tcphy1 {
+       status = "okay";
+};
+
+&u2phy0 {
+       status = "okay";
+
+       u2phy0_otg: otg-port {
+               status = "okay";
+       };
+
+       u2phy0_host: host-port {
+               phy-supply = <&vcc5v0_host1>;
+               status = "okay";
+       };
+};
+
+&u2phy1 {
+       status = "okay";
+
+       u2phy1_otg: otg-port {
+               status = "okay";
+       };
+
+       u2phy1_host: host-port {
+               phy-supply = <&vcc5v0_host1>;
+               status = "okay";
+       };
+};
+
+&uart0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
+       status = "okay";
+
+       bluetooth {
+               compatible = "brcm,bcm4345c5";
+               clocks = <&rk809 1>;
+               clock-names = "lpo";
+               device-wakeup-gpios = <&gpio2 RK_PD3 GPIO_ACTIVE_HIGH>;
+               host-wakeup-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>;
+               shutdown-gpios = <&gpio0 RK_PB1 GPIO_ACTIVE_HIGH>;
+               max-speed = <1500000>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&bt_host_wake_l &bt_wake_l &bt_enable_h>;
+               vbat-supply = <&vcc3v3_sys>;
+               vddio-supply = <&vcc_1v8_s3>;
+       };
+};
+
+&uart2 {
+       status = "okay";
+};
+
+&usb_host0_ehci {
+       status = "okay";
+};
+
+&usb_host0_ohci {
+       status = "okay";
+};
+
+&usb_host1_ehci {
+       status = "okay";
+};
+
+&usb_host1_ohci {
+       status = "okay";
+};
+
+&usbdrd3_0 {
+       extcon = <&u2phy0>;
+       status = "okay";
+};
+
+&usbdrd_dwc3_0 {
+       status = "okay";
+       dr_mode = "host";
+};
+
+&usbdrd3_1 {
+       status = "okay";
+};
+
+&usbdrd_dwc3_1 {
+       status = "okay";
+       dr_mode = "host";
+};
+
+&vopb {
+       status = "okay";
+};
+
+&vopb_mmu {
+       status = "okay";
+};
+
+&vopl {
+       status = "okay";
+};
+
+&vopl_mmu {
+       status = "okay";
+};
diff --git a/arch/arm/dts/rk3399-t-opp.dtsi b/arch/arm/dts/rk3399-t-opp.dtsi
new file mode 100644
index 0000000000..1ababadda9
--- /dev/null
+++ b/arch/arm/dts/rk3399-t-opp.dtsi
@@ -0,0 +1,114 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2016-2017 Fuzhou Rockchip Electronics Co., Ltd
+ * Copyright (c) 2022 Radxa Limited
+ */
+
+/ {
+       cluster0_opp: opp-table-0 {
+               compatible = "operating-points-v2";
+               opp-shared;
+
+               opp00 {
+                       opp-hz = /bits/ 64 <408000000>;
+                       opp-microvolt = <875000 875000 1250000>;
+                       clock-latency-ns = <40000>;
+               };
+               opp01 {
+                       opp-hz = /bits/ 64 <600000000>;
+                       opp-microvolt = <875000 875000 1250000>;
+               };
+               opp02 {
+                       opp-hz = /bits/ 64 <816000000>;
+                       opp-microvolt = <900000 900000 1250000>;
+               };
+               opp03 {
+                       opp-hz = /bits/ 64 <1008000000>;
+                       opp-microvolt = <975000 975000 1250000>;
+               };
+       };
+
+       cluster1_opp: opp-table-1 {
+               compatible = "operating-points-v2";
+               opp-shared;
+
+               opp00 {
+                       opp-hz = /bits/ 64 <408000000>;
+                       opp-microvolt = <875000 875000 1250000>;
+                       clock-latency-ns = <40000>;
+               };
+               opp01 {
+                       opp-hz = /bits/ 64 <600000000>;
+                       opp-microvolt = <875000 875000 1250000>;
+               };
+               opp02 {
+                       opp-hz = /bits/ 64 <816000000>;
+                       opp-microvolt = <875000 875000 1250000>;
+               };
+               opp03 {
+                       opp-hz = /bits/ 64 <1008000000>;
+                       opp-microvolt = <925000 925000 1250000>;
+               };
+               opp04 {
+                       opp-hz = /bits/ 64 <1200000000>;
+                       opp-microvolt = <1000000 1000000 1250000>;
+               };
+               opp05 {
+                       opp-hz = /bits/ 64 <1416000000>;
+                       opp-microvolt = <1075000 1075000 1250000>;
+               };
+               opp06 {
+                       opp-hz = /bits/ 64 <1512000000>;
+                       opp-microvolt = <1150000 1150000 1250000>;
+               };
+       };
+
+       gpu_opp_table: opp-table-2 {
+               compatible = "operating-points-v2";
+
+               opp00 {
+                       opp-hz = /bits/ 64 <200000000>;
+                       opp-microvolt = <875000 875000 1150000>;
+               };
+               opp01 {
+                       opp-hz = /bits/ 64 <300000000>;
+                       opp-microvolt = <875000 875000 1150000>;
+               };
+               opp02 {
+                       opp-hz = /bits/ 64 <400000000>;
+                       opp-microvolt = <875000 875000 1150000>;
+               };
+               opp03 {
+                       opp-hz = /bits/ 64 <600000000>;
+                       opp-microvolt = <975000 975000 1150000>;
+               };
+       };
+};
+
+&cpu_l0 {
+       operating-points-v2 = <&cluster0_opp>;
+};
+
+&cpu_l1 {
+       operating-points-v2 = <&cluster0_opp>;
+};
+
+&cpu_l2 {
+       operating-points-v2 = <&cluster0_opp>;
+};
+
+&cpu_l3 {
+       operating-points-v2 = <&cluster0_opp>;
+};
+
+&cpu_b0 {
+       operating-points-v2 = <&cluster1_opp>;
+};
+
+&cpu_b1 {
+       operating-points-v2 = <&cluster1_opp>;
+};
+
+&gpu {
+       operating-points-v2 = <&gpu_opp_table>;
+};
diff --git a/configs/rock-4c-plus-rk3399_defconfig 
b/configs/rock-4c-plus-rk3399_defconfig
new file mode 100644
index 0000000000..5ed46d589a
--- /dev/null
+++ b/configs/rock-4c-plus-rk3399_defconfig
@@ -0,0 +1,90 @@
+CONFIG_ARM=y
+CONFIG_SKIP_LOWLEVEL_INIT=y
+CONFIG_COUNTER_FREQUENCY=24000000
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_SYS_TEXT_BASE=0x00200000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_ENV_OFFSET=0x3F8000
+CONFIG_DEFAULT_DEVICE_TREE="rk3399-rock-4c-plus"
+CONFIG_ROCKCHIP_RK3399=y
+CONFIG_TARGET_EVB_RK3399=y
+CONFIG_DEBUG_UART_BASE=0xFF1A0000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_SYS_LOAD_ADDR=0x800800
+CONFIG_DEBUG_UART=y
+CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
+CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x300000
+# CONFIG_ANDROID_BOOT_IMAGE is not set
+CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-rock-4c-plus.dtb"
+CONFIG_DISPLAY_BOARDINFO_LATE=y
+CONFIG_MISC_INIT_R=y
+CONFIG_SPL_MAX_SIZE=0x2e000
+CONFIG_SPL_PAD_TO=0x7f8000
+CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
+CONFIG_SPL_BSS_START_ADDR=0x400000
+CONFIG_SPL_BSS_MAX_SIZE=0x2000
+# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
+# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
+CONFIG_SPL_STACK=0x400000
+CONFIG_SPL_STACK_R=y
+CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN=0x10000
+CONFIG_TPL=y
+CONFIG_CMD_BOOTZ=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PCI=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_ROCKUSB=y
+CONFIG_CMD_USB_MASS_STORAGE=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_TIME=y
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent 
assigned-clocks assigned-clock-rates assigned-clock-parents"
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_ROCKCHIP_GPIO=y
+CONFIG_SYS_I2C_ROCKCHIP=y
+CONFIG_MISC=y
+CONFIG_ROCKCHIP_EFUSE=y
+CONFIG_MMC_DW=y
+CONFIG_MMC_DW_ROCKCHIP=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_ROCKCHIP=y
+CONFIG_ETH_DESIGNWARE=y
+CONFIG_GMAC_ROCKCHIP=y
+CONFIG_NVME_PCI=y
+CONFIG_PCI=y
+CONFIG_PHY_ROCKCHIP_INNO_USB2=y
+CONFIG_PHY_ROCKCHIP_TYPEC=y
+CONFIG_PMIC_RK8XX=y
+CONFIG_REGULATOR_PWM=y
+CONFIG_REGULATOR_RK8XX=y
+CONFIG_PWM_ROCKCHIP=y
+CONFIG_RAM_RK3399_LPDDR4=y
+CONFIG_DM_RESET=y
+CONFIG_BAUDRATE=1500000
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SYSRESET=y
+CONFIG_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_GENERIC=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GENERIC=y
+CONFIG_USB_KEYBOARD=y
+CONFIG_USB_HOST_ETHER=y
+CONFIG_USB_ETHER_ASIX=y
+CONFIG_USB_ETHER_ASIX88179=y
+CONFIG_USB_ETHER_MCS7830=y
+CONFIG_USB_ETHER_RTL8152=y
+CONFIG_USB_ETHER_SMSC95XX=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_FUNCTION_ROCKUSB=y
+CONFIG_DM_VIDEO=y
+CONFIG_DISPLAY=y
+CONFIG_VIDEO_ROCKCHIP=y
+CONFIG_DISPLAY_ROCKCHIP_HDMI=y
+CONFIG_SPL_TINY_MEMSET=y
+CONFIG_ERRNO_STR=y
+CONFIG_OF_LIBFDT_OVERLAY=y

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