This patch adds general board files based on MT7986 SoCs.
The SD/eMMC controller on MT7986A and MT7986B have different pin
configurations so that four different reference board configs has to be
added.
Signed-off-by: Weijie Gao <weijie....@mediatek.com>
---
arch/arm/dts/Makefile | 4 +
arch/arm/dts/mt7986a-rfb.dts | 218 +++++++++++++++++++++++++++++
arch/arm/dts/mt7986a-sd-rfb.dts | 177 +++++++++++++++++++++++
arch/arm/dts/mt7986b-rfb.dts | 204 +++++++++++++++++++++++++++
arch/arm/dts/mt7986b-sd-rfb.dts | 173 +++++++++++++++++++++++
board/mediatek/mt7986/MAINTAINERS | 10 ++
board/mediatek/mt7986/Makefile | 3 +
board/mediatek/mt7986/mt7986_rfb.c | 10 ++
configs/mt7986_rfb_defconfig | 66 +++++++++
configs/mt7986a_emmc_rfb_defconfig | 64 +++++++++
configs/mt7986a_sd_rfb_defconfig | 64 +++++++++
configs/mt7986b_emmc_rfb_defconfig | 64 +++++++++
configs/mt7986b_sd_rfb_defconfig | 64 +++++++++
include/configs/mt7986.h | 26 ++++
14 files changed, 1147 insertions(+)
create mode 100644 arch/arm/dts/mt7986a-rfb.dts
create mode 100644 arch/arm/dts/mt7986a-sd-rfb.dts
create mode 100644 arch/arm/dts/mt7986b-rfb.dts
create mode 100644 arch/arm/dts/mt7986b-sd-rfb.dts
create mode 100644 board/mediatek/mt7986/MAINTAINERS
create mode 100644 board/mediatek/mt7986/Makefile
create mode 100644 board/mediatek/mt7986/mt7986_rfb.c
create mode 100644 configs/mt7986_rfb_defconfig
create mode 100644 configs/mt7986a_emmc_rfb_defconfig
create mode 100644 configs/mt7986a_sd_rfb_defconfig
create mode 100644 configs/mt7986b_emmc_rfb_defconfig
create mode 100644 configs/mt7986b_sd_rfb_defconfig
create mode 100644 include/configs/mt7986.h
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index ceaa39e4b4..eeb08116c0 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1226,6 +1226,10 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \
mt7622-bananapi-bpi-r64.dtb \
mt7623n-bananapi-bpi-r2.dtb \
mt7629-rfb.dtb \
+ mt7986a-rfb.dtb \
+ mt7986b-rfb.dtb \
+ mt7986a-sd-rfb.dtb \
+ mt7986b-sd-rfb.dtb \
mt8183-pumpkin.dtb \
mt8512-bm1-emmc.dtb \
mt8516-pumpkin.dtb \
diff --git a/arch/arm/dts/mt7986a-rfb.dts b/arch/arm/dts/mt7986a-rfb.dts
new file mode 100644
index 0000000000..80def57e1a
--- /dev/null
+++ b/arch/arm/dts/mt7986a-rfb.dts
@@ -0,0 +1,218 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Sam Shih <sam.s...@mediatek.com>
+ */
+
+/dts-v1/;
+#include "mt7986.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ model = "mt7986-rfb";
+ compatible = "mediatek,mt7986", "mediatek,mt7986-rfb";
+ chosen {
+ stdout-path = &uart0;
+ tick-timer = &timer0;
+ };
+
+ reg_1p8v: regulator-1p8v {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-1.8V";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_3p3v: regulator-3p3v {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-3.3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_pins>;
+ status = "disabled";
+};
+
+ð {
+ status = "okay";
+ mediatek,gmac-id = <0>;
+ phy-mode = "sgmii";
+ mediatek,switch = "mt7531";
+ reset-gpios = <&gpio 5 GPIO_ACTIVE_HIGH>;
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+};
+
+&pinctrl {
+ spi_flash_pins: spi0-pins-func-1 {
+ mux {
+ function = "flash";
+ groups = "spi0", "spi0_wp_hold";
+ };
+
+ conf-pu {
+ pins = "SPI2_CS", "SPI2_HOLD", "SPI2_WP";
+ drive-strength = <MTK_DRIVE_8mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_11>;
+ };
+
+ conf-pd {
+ pins = "SPI2_CLK", "SPI2_MOSI", "SPI2_MISO";
+ drive-strength = <MTK_DRIVE_8mA>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_11>;
+ };
+ };
+
+ snfi_pins: snfi-pins-func-1 {
+ mux {
+ function = "flash";
+ groups = "snfi";
+ };
+
+ clk {
+ pins = "SPI0_CLK";
+ drive-strength = <MTK_DRIVE_8mA>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_00>;
+ };
+
+ conf-pu {
+ pins = "SPI0_CS", "SPI0_HOLD", "SPI0_WP";
+ drive-strength = <MTK_DRIVE_6mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_00>;
+ };
+
+ conf-pd {
+ pins = "SPI0_MOSI", "SPI0_MISO";
+ drive-strength = <MTK_DRIVE_6mA>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_00>;
+ };
+ };
+
+ spic_pins: spi1-pins-func-1 {
+ mux {
+ function = "spi";
+ groups = "spi1_2";
+ };
+ };
+
+ uart1_pins: spi1-pins-func-3 {
+ mux {
+ function = "uart";
+ groups = "uart1_2";
+ };
+ };
+
+ pwm_pins: pwm0-pins-func-1 {
+ mux {
+ function = "pwm";
+ groups = "pwm0";
+ };
+ };
+
+ mmc0_pins_default: mmc0default {
+ mux {
+ function = "flash";
+ groups = "emmc_51";
+ };
+
+ conf-cmd-dat {
+ pins = "EMMC_DATA_0", "EMMC_DATA_1", "EMMC_DATA_2",
+ "EMMC_DATA_3", "EMMC_DATA_4", "EMMC_DATA_5",
+ "EMMC_DATA_6", "EMMC_DATA_7", "EMMC_CMD";
+ input-enable;
+ drive-strength = <MTK_DRIVE_4mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ };
+
+ conf-clk {
+ pins = "EMMC_CK";
+ drive-strength = <MTK_DRIVE_6mA>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+ };
+
+ conf-dsl {
+ pins = "EMMC_DSL";
+ bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+ };
+
+ conf-rst {
+ pins = "EMMC_RSTB";
+ drive-strength = <MTK_DRIVE_4mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ };
+ };
+};
+
+&snand {
+ pinctrl-names = "default";
+ pinctrl-0 = <&snfi_pins>;
+ status = "okay";
+ quad-spi;
+};
+
+&spi0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi_flash_pins>;
+ status = "okay";
+ must_tx;
+ enhance_timing;
+ dma_ext;
+ ipm_design;
+ support_quad;
+ tick_dly = <2>;
+ sample_sel = <0>;
+
+ spi_nor@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <52000000>;
+ };
+
+ spi_nand@1 {
+ compatible = "spi-nand";
+ reg = <1>;
+ spi-max-frequency = <52000000>;
+ };
+};
+
+&pwm {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm_pins>;
+ status = "okay";
+};
+
+&watchdog {
+ status = "disabled";
+};
+
+&mmc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins_default>;
+ bus-width = <8>;
+ max-frequency = <52000000>;
+ cap-mmc-highspeed;
+ cap-mmc-hw-reset;
+ vmmc-supply = <®_3p3v>;
+ vqmmc-supply = <®_1p8v>;
+ non-removable;
+ status = "okay";
+};
diff --git a/arch/arm/dts/mt7986a-sd-rfb.dts
b/arch/arm/dts/mt7986a-sd-rfb.dts
new file mode 100644
index 0000000000..5807c5d5cc
--- /dev/null
+++ b/arch/arm/dts/mt7986a-sd-rfb.dts
@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Sam Shih <sam.s...@mediatek.com>
+ */
+
+/dts-v1/;
+#include "mt7986.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ model = "mt7986-rfb";
+ compatible = "mediatek,mt7986", "mediatek,mt7986-rfb",
+ "mediatek,mt7986-sd-rfb";
+ chosen {
+ stdout-path = &uart0;
+ tick-timer = &timer0;
+ };
+
+ reg_3p3v: regulator-3p3v {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-3.3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_pins>;
+ status = "disabled";
+};
+
+ð {
+ status = "okay";
+ mediatek,gmac-id = <0>;
+ phy-mode = "sgmii";
+ mediatek,switch = "mt7531";
+ reset-gpios = <&gpio 5 GPIO_ACTIVE_HIGH>;
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+};
+
+&pinctrl {
+ spi_flash_pins: spi0-pins-func-1 {
+ mux {
+ function = "flash";
+ groups = "spi0", "spi0_wp_hold";
+ };
+
+ conf-pu {
+ pins = "SPI2_CS", "SPI2_HOLD", "SPI2_WP";
+ drive-strength = <MTK_DRIVE_8mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_11>;
+ };
+
+ conf-pd {
+ pins = "SPI2_CLK", "SPI2_MOSI", "SPI2_MISO";
+ drive-strength = <MTK_DRIVE_8mA>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_11>;
+ };
+ };
+
+ spic_pins: spi1-pins-func-1 {
+ mux {
+ function = "spi";
+ groups = "spi1_2";
+ };
+ };
+
+ uart1_pins: spi1-pins-func-3 {
+ mux {
+ function = "uart";
+ groups = "uart1_2";
+ };
+ };
+
+ pwm_pins: pwm0-pins-func-1 {
+ mux {
+ function = "pwm";
+ groups = "pwm0";
+ };
+ };
+
+ mmc0_pins_default: mmc0default {
+ mux {
+ function = "flash";
+ groups = "emmc_51";
+ };
+
+ conf-cmd-dat {
+ pins = "EMMC_DATA_0", "EMMC_DATA_1", "EMMC_DATA_2",
+ "EMMC_DATA_3", "EMMC_DATA_4", "EMMC_DATA_5",
+ "EMMC_DATA_6", "EMMC_DATA_7", "EMMC_CMD";
+ input-enable;
+ drive-strength = <MTK_DRIVE_4mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ };
+
+ conf-clk {
+ pins = "EMMC_CK";
+ drive-strength = <MTK_DRIVE_6mA>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+ };
+
+ conf-dsl {
+ pins = "EMMC_DSL";
+ bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+ };
+
+ conf-rst {
+ pins = "EMMC_RSTB";
+ drive-strength = <MTK_DRIVE_4mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ };
+ };
+};
+
+&spi0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi_flash_pins>;
+ status = "okay";
+ must_tx;
+ enhance_timing;
+ dma_ext;
+ ipm_design;
+ support_quad;
+ tick_dly = <2>;
+ sample_sel = <0>;
+
+ spi_nor@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <52000000>;
+ };
+
+ spi_nand@1 {
+ compatible = "spi-nand";
+ reg = <1>;
+ spi-max-frequency = <52000000>;
+ };
+};
+
+&pwm {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm_pins>;
+ status = "okay";
+};
+
+&watchdog {
+ status = "disabled";
+};
+
+&mmc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins_default>;
+ bus-width = <4>;
+ max-frequency = <52000000>;
+ cap-sd-highspeed;
+ r_smpl = <1>;
+ vmmc-supply = <®_3p3v>;
+ vqmmc-supply = <®_3p3v>;
+ status = "okay";
+};
diff --git a/arch/arm/dts/mt7986b-rfb.dts b/arch/arm/dts/mt7986b-rfb.dts
new file mode 100644
index 0000000000..0c4e3e878f
--- /dev/null
+++ b/arch/arm/dts/mt7986b-rfb.dts
@@ -0,0 +1,204 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Sam Shih <sam.s...@mediatek.com>
+ */
+
+/dts-v1/;
+#include "mt7986.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ model = "mt7986-rfb";
+ compatible = "mediatek,mt7986", "mediatek,mt7986-rfb";
+ chosen {
+ stdout-path = &uart0;
+ tick-timer = &timer0;
+ };
+
+ reg_3p3v: regulator-3p3v {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-3.3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_pins>;
+ status = "disabled";
+};
+
+ð {
+ status = "okay";
+ mediatek,gmac-id = <0>;
+ phy-mode = "sgmii";
+ mediatek,switch = "mt7531";
+ reset-gpios = <&gpio 5 GPIO_ACTIVE_HIGH>;
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+};
+
+&pinctrl {
+ spi_flash_pins: spi0-pins-func-1 {
+ mux {
+ function = "flash";
+ groups = "spi0", "spi0_wp_hold";
+ };
+
+ conf-pu {
+ pins = "SPI2_CS", "SPI2_HOLD", "SPI2_WP";
+ drive-strength = <MTK_DRIVE_8mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_11>;
+ };
+
+ conf-pd {
+ pins = "SPI2_CLK", "SPI2_MOSI", "SPI2_MISO";
+ drive-strength = <MTK_DRIVE_8mA>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_11>;
+ };
+ };
+
+ snfi_pins: snfi-pins-func-1 {
+ mux {
+ function = "flash";
+ groups = "snfi";
+ };
+
+ clk {
+ pins = "SPI0_CLK";
+ drive-strength = <MTK_DRIVE_8mA>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_00>;
+ };
+
+ conf-pu {
+ pins = "SPI0_CS", "SPI0_HOLD", "SPI0_WP";
+ drive-strength = <MTK_DRIVE_6mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_00>;
+ };
+
+ conf-pd {
+ pins = "SPI0_MOSI", "SPI0_MISO";
+ drive-strength = <MTK_DRIVE_6mA>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_00>;
+ };
+ };
+
+ spic_pins: spi1-pins-func-1 {
+ mux {
+ function = "spi";
+ groups = "spi1_2";
+ };
+ };
+
+ uart1_pins: spi1-pins-func-3 {
+ mux {
+ function = "uart";
+ groups = "uart1_2";
+ };
+ };
+
+ pwm_pins: pwm0-pins-func-1 {
+ mux {
+ function = "pwm";
+ groups = "pwm0";
+ };
+ };
+
+ mmc0_pins_default: mmc0default {
+ mux {
+ function = "flash";
+ groups = "emmc_45";
+ input-schmitt-enable;
+ };
+
+ conf-cmd-dat {
+ pins = "SPI0_CLK", "SPI0_MOSI", "SPI0_MISO",
+ "SPI0_CS", "SPI0_HOLD", "SPI0_WP",
+ "SPI1_CLK", "SPI1_MOSI", "SPI1_MISO";
+ input-enable;
+ drive-strength = <MTK_DRIVE_4mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ };
+
+ conf-clk {
+ pins = "SPI1_CS";
+ drive-strength = <MTK_DRIVE_6mA>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+ };
+
+ conf-rst {
+ pins = "PWM1";
+ drive-strength = <MTK_DRIVE_4mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ };
+ };
+};
+
+&snand {
+ pinctrl-names = "default";
+ pinctrl-0 = <&snfi_pins>;
+ status = "okay";
+ quad-spi;
+};
+
+&spi0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi_flash_pins>;
+ status = "okay";
+ must_tx;
+ enhance_timing;
+ dma_ext;
+ ipm_design;
+ support_quad;
+ tick_dly = <2>;
+ sample_sel = <0>;
+
+ spi_nor@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <52000000>;
+ };
+
+ spi_nand@1 {
+ compatible = "spi-nand";
+ reg = <1>;
+ spi-max-frequency = <52000000>;
+ };
+};
+
+&pwm {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm_pins>;
+ status = "okay";
+};
+
+&watchdog {
+ status = "disabled";
+};
+
+&mmc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins_default>;
+ bus-width = <8>;
+ max-frequency = <52000000>;
+ cap-mmc-highspeed;
+ cap-mmc-hw-reset;
+ vmmc-supply = <®_3p3v>;
+ non-removable;
+ status = "okay";
+};
diff --git a/arch/arm/dts/mt7986b-sd-rfb.dts
b/arch/arm/dts/mt7986b-sd-rfb.dts
new file mode 100644
index 0000000000..48f9320e7a
--- /dev/null
+++ b/arch/arm/dts/mt7986b-sd-rfb.dts
@@ -0,0 +1,173 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Sam Shih <sam.s...@mediatek.com>
+ */
+
+/dts-v1/;
+#include "mt7986.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ model = "mt7986-rfb";
+ compatible = "mediatek,mt7986", "mediatek,mt7986-rfb",
+ "mediatek,mt7986-sd-rfb";
+ chosen {
+ stdout-path = &uart0;
+ tick-timer = &timer0;
+ };
+
+ reg_3p3v: regulator-3p3v {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-3.3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_pins>;
+ status = "disabled";
+};
+
+ð {
+ status = "okay";
+ mediatek,gmac-id = <0>;
+ phy-mode = "sgmii";
+ mediatek,switch = "mt7531";
+ reset-gpios = <&gpio 5 GPIO_ACTIVE_HIGH>;
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+};
+
+&pinctrl {
+ spi_flash_pins: spi0-pins-func-1 {
+ mux {
+ function = "flash";
+ groups = "spi0", "spi0_wp_hold";
+ };
+
+ conf-pu {
+ pins = "SPI2_CS", "SPI2_HOLD", "SPI2_WP";
+ drive-strength = <MTK_DRIVE_8mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_11>;
+ };
+
+ conf-pd {
+ pins = "SPI2_CLK", "SPI2_MOSI", "SPI2_MISO";
+ drive-strength = <MTK_DRIVE_8mA>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_11>;
+ };
+ };
+
+ spic_pins: spi1-pins-func-1 {
+ mux {
+ function = "spi";
+ groups = "spi1_2";
+ };
+ };
+
+ uart1_pins: spi1-pins-func-3 {
+ mux {
+ function = "uart";
+ groups = "uart1_2";
+ };
+ };
+
+ pwm_pins: pwm0-pins-func-1 {
+ mux {
+ function = "pwm";
+ groups = "pwm0";
+ };
+ };
+
+ mmc0_pins_default: mmc0default {
+ mux {
+ function = "flash";
+ groups = "emmc_45";
+ input-schmitt-enable;
+ };
+
+ conf-cmd-dat {
+ pins = "SPI0_CLK", "SPI0_MOSI", "SPI0_MISO",
+ "SPI0_CS", "SPI0_HOLD", "SPI0_WP",
+ "SPI1_CLK", "SPI1_MOSI", "SPI1_MISO";
+ input-enable;
+ drive-strength = <MTK_DRIVE_4mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ };
+
+ conf-clk {
+ pins = "SPI1_CS";
+ drive-strength = <MTK_DRIVE_6mA>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+ };
+
+ conf-rst {
+ pins = "PWM1";
+ drive-strength = <MTK_DRIVE_4mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ };
+ };
+};
+
+&spi0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi_flash_pins>;
+ status = "okay";
+ must_tx;
+ enhance_timing;
+ dma_ext;
+ ipm_design;
+ support_quad;
+ tick_dly = <2>;
+ sample_sel = <0>;
+
+ spi_nor@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <52000000>;
+ };
+
+ spi_nand@1 {
+ compatible = "spi-nand";
+ reg = <1>;
+ spi-max-frequency = <52000000>;
+ };
+};
+
+&pwm {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm_pins>;
+ status = "okay";
+};
+
+&watchdog {
+ status = "disabled";
+};
+
+&mmc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins_default>;
+ bus-width = <4>;
+ max-frequency = <52000000>;
+ cap-sd-highspeed;
+ r_smpl = <1>;
+ vmmc-supply = <®_3p3v>;
+ vqmmc-supply = <®_3p3v>;
+ status = "okay";
+};
diff --git a/board/mediatek/mt7986/MAINTAINERS
b/board/mediatek/mt7986/MAINTAINERS
new file mode 100644
index 0000000000..fddee20001
--- /dev/null
+++ b/board/mediatek/mt7986/MAINTAINERS
@@ -0,0 +1,10 @@
+MT7986
+M: Sam Shih <sam.s...@mediatek.com>
+S: Maintained
+F: board/mediatek/mt7986
+F: include/configs/mt7986.h
+F: configs/mt7986_rfb_defconfig
+F: configs/mt7986a_emmc_rfb_defconfig
+F: configs/mt7986a_sd_rfb_defconfig
+F: configs/mt7986b_emmc_rfb_defconfig
+F: configs/mt7986b_sd_rfb_defconfig
diff --git a/board/mediatek/mt7986/Makefile b/board/mediatek/mt7986/Makefile
new file mode 100644
index 0000000000..7bb84fa2f4
--- /dev/null
+++ b/board/mediatek/mt7986/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-y += mt7986_rfb.o
diff --git a/board/mediatek/mt7986/mt7986_rfb.c
b/board/mediatek/mt7986/mt7986_rfb.c
new file mode 100644
index 0000000000..846c715ca0
--- /dev/null
+++ b/board/mediatek/mt7986/mt7986_rfb.c
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2022 MediaTek Inc.
+ * Author: Sam Shih <sam.s...@mediatek.com>
+ */
+
+int board_init(void)
+{
+ return 0;
+}
diff --git a/configs/mt7986_rfb_defconfig b/configs/mt7986_rfb_defconfig
new file mode 100644
index 0000000000..ff1e63b6bd
--- /dev/null
+++ b/configs/mt7986_rfb_defconfig
@@ -0,0 +1,66 @@
+CONFIG_ARM=y
+CONFIG_POSITION_INDEPENDENT=y
+CONFIG_ARCH_MEDIATEK=y
+CONFIG_SYS_TEXT_BASE=0x41e00000
+CONFIG_SYS_MALLOC_F_LEN=0x4000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_DEFAULT_DEVICE_TREE="mt7986a-rfb"
+CONFIG_TARGET_MT7986=y
+CONFIG_DEBUG_UART_BASE=0x11002000
+CONFIG_DEBUG_UART_CLOCK=40000000
+CONFIG_SYS_LOAD_ADDR=0x46000000
+CONFIG_DEBUG_UART=y
+# CONFIG_AUTOBOOT is not set
+CONFIG_DEFAULT_FDT_FILE="mt7986a-rfb"
+CONFIG_LOGLEVEL=7
+CONFIG_LOG=y
+CONFIG_SYS_PROMPT="MT7986> "
+CONFIG_SYS_CBSIZE=512
+CONFIG_SYS_PBSIZE=1049
+# CONFIG_BOOTM_NETBSD is not set
+# CONFIG_BOOTM_PLAN9 is not set
+# CONFIG_BOOTM_RTEMS is not set
+# CONFIG_BOOTM_VXWORKS is not set
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_UNLZ4 is not set
+# CONFIG_CMD_UNZIP is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_MTD=y
+CONFIG_CMD_SF_TEST=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_SMC=y
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_CLK=y
+# CONFIG_MMC is not set
+CONFIG_MTD=y
+CONFIG_DM_MTD=y
+CONFIG_MTD_SPI_NAND=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH_SFDP_SUPPORT=y
+CONFIG_SPI_FLASH_EON=y
+CONFIG_SPI_FLASH_GIGADEVICE=y
+CONFIG_SPI_FLASH_ISSI=y
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_SPANSION=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_SPI_FLASH_XMC=y
+CONFIG_SPI_FLASH_XTX=y
+CONFIG_SPI_FLASH_MTD=y
+CONFIG_PHY_FIXED=y
+CONFIG_DM_ETH=y
+CONFIG_MEDIATEK_ETH=y
+CONFIG_PINCTRL=y
+CONFIG_PINCONF=y
+CONFIG_PINCTRL_MT7986=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_MTK_POWER_DOMAIN=y
+CONFIG_DM_SERIAL=y
+CONFIG_MTK_SERIAL=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_MTK_SPIM=y
+CONFIG_HEXDUMP=y
diff --git a/configs/mt7986a_emmc_rfb_defconfig
b/configs/mt7986a_emmc_rfb_defconfig
new file mode 100644
index 0000000000..3e368b68de
--- /dev/null
+++ b/configs/mt7986a_emmc_rfb_defconfig
@@ -0,0 +1,64 @@
+CONFIG_ARM=y
+CONFIG_POSITION_INDEPENDENT=y
+CONFIG_ARCH_MEDIATEK=y
+CONFIG_SYS_TEXT_BASE=0x41e00000
+CONFIG_SYS_MALLOC_F_LEN=0x4000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_ENV_SIZE=0x80000
+CONFIG_ENV_OFFSET=0x300000
+CONFIG_DEFAULT_DEVICE_TREE="mt7986a-emmc-rfb"
+CONFIG_TARGET_MT7986=y
+CONFIG_DEBUG_UART_BASE=0x11002000
+CONFIG_DEBUG_UART_CLOCK=40000000
+CONFIG_SYS_LOAD_ADDR=0x46000000
+CONFIG_DEBUG_UART=y
+# CONFIG_AUTOBOOT is not set
+CONFIG_DEFAULT_FDT_FILE="mt7986a-emmc-rfb"
+CONFIG_LOGLEVEL=7
+CONFIG_LOG=y
+CONFIG_SYS_PROMPT="MT7986> "
+CONFIG_SYS_CBSIZE=512
+CONFIG_SYS_PBSIZE=1049
+# CONFIG_BOOTM_NETBSD is not set
+# CONFIG_BOOTM_PLAN9 is not set
+# CONFIG_BOOTM_RTEMS is not set
+# CONFIG_BOOTM_VXWORKS is not set
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_UNLZ4 is not set
+# CONFIG_CMD_UNZIP is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_GPT_RENAME=y
+CONFIG_CMD_LSBLK=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PART=y
+CONFIG_CMD_READ=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_SMC=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_PARTITION_TYPE_GUID=y
+CONFIG_ENV_OVERWRITE=y
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_CLK=y
+CONFIG_MMC_HS200_SUPPORT=y
+CONFIG_MMC_MTK=y
+CONFIG_PHY_FIXED=y
+CONFIG_DM_ETH=y
+CONFIG_MEDIATEK_ETH=y
+CONFIG_PINCTRL=y
+CONFIG_PINCONF=y
+CONFIG_PINCTRL_MT7986=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_MTK_POWER_DOMAIN=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_SERIAL=y
+CONFIG_MTK_SERIAL=y
+CONFIG_FAT_WRITE=y
+CONFIG_HEXDUMP=y
+# CONFIG_EFI_LOADER is not set
diff --git a/configs/mt7986a_sd_rfb_defconfig
b/configs/mt7986a_sd_rfb_defconfig
new file mode 100644
index 0000000000..b9a69a3d3d
--- /dev/null
+++ b/configs/mt7986a_sd_rfb_defconfig
@@ -0,0 +1,64 @@
+CONFIG_ARM=y
+CONFIG_POSITION_INDEPENDENT=y
+CONFIG_ARCH_MEDIATEK=y
+CONFIG_SYS_TEXT_BASE=0x41e00000
+CONFIG_SYS_MALLOC_F_LEN=0x4000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_ENV_SIZE=0x80000
+CONFIG_ENV_OFFSET=0x300000
+CONFIG_DEFAULT_DEVICE_TREE="mt7986a-sd-rfb"
+CONFIG_TARGET_MT7986=y
+CONFIG_DEBUG_UART_BASE=0x11002000
+CONFIG_DEBUG_UART_CLOCK=40000000
+CONFIG_SYS_LOAD_ADDR=0x46000000
+CONFIG_DEBUG_UART=y
+# CONFIG_AUTOBOOT is not set
+CONFIG_DEFAULT_FDT_FILE="mt7986a-sd-rfb"
+CONFIG_LOGLEVEL=7
+CONFIG_LOG=y
+CONFIG_SYS_PROMPT="MT7986> "
+CONFIG_SYS_CBSIZE=512
+CONFIG_SYS_PBSIZE=1049
+# CONFIG_BOOTM_NETBSD is not set
+# CONFIG_BOOTM_PLAN9 is not set
+# CONFIG_BOOTM_RTEMS is not set
+# CONFIG_BOOTM_VXWORKS is not set
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_UNLZ4 is not set
+# CONFIG_CMD_UNZIP is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_GPT_RENAME=y
+CONFIG_CMD_LSBLK=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PART=y
+CONFIG_CMD_READ=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_SMC=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_PARTITION_TYPE_GUID=y
+CONFIG_ENV_OVERWRITE=y
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_CLK=y
+CONFIG_MMC_HS200_SUPPORT=y
+CONFIG_MMC_MTK=y
+CONFIG_PHY_FIXED=y
+CONFIG_DM_ETH=y
+CONFIG_MEDIATEK_ETH=y
+CONFIG_PINCTRL=y
+CONFIG_PINCONF=y
+CONFIG_PINCTRL_MT7986=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_MTK_POWER_DOMAIN=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_SERIAL=y
+CONFIG_MTK_SERIAL=y
+CONFIG_FAT_WRITE=y
+CONFIG_HEXDUMP=y
+# CONFIG_EFI_LOADER is not set
diff --git a/configs/mt7986b_emmc_rfb_defconfig
b/configs/mt7986b_emmc_rfb_defconfig
new file mode 100644
index 0000000000..c3a72a342a
--- /dev/null
+++ b/configs/mt7986b_emmc_rfb_defconfig
@@ -0,0 +1,64 @@
+CONFIG_ARM=y
+CONFIG_POSITION_INDEPENDENT=y
+CONFIG_ARCH_MEDIATEK=y
+CONFIG_SYS_TEXT_BASE=0x41e00000
+CONFIG_SYS_MALLOC_F_LEN=0x4000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_ENV_SIZE=0x80000
+CONFIG_ENV_OFFSET=0x300000
+CONFIG_DEFAULT_DEVICE_TREE="mt7986b-emmc-rfb"
+CONFIG_TARGET_MT7986=y
+CONFIG_DEBUG_UART_BASE=0x11002000
+CONFIG_DEBUG_UART_CLOCK=40000000
+CONFIG_SYS_LOAD_ADDR=0x46000000
+CONFIG_DEBUG_UART=y
+# CONFIG_AUTOBOOT is not set
+CONFIG_DEFAULT_FDT_FILE="mt7986b-emmc-rfb"
+CONFIG_LOGLEVEL=7
+CONFIG_LOG=y
+CONFIG_SYS_PROMPT="MT7986> "
+CONFIG_SYS_CBSIZE=512
+CONFIG_SYS_PBSIZE=1049
+# CONFIG_BOOTM_NETBSD is not set
+# CONFIG_BOOTM_PLAN9 is not set
+# CONFIG_BOOTM_RTEMS is not set
+# CONFIG_BOOTM_VXWORKS is not set
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_UNLZ4 is not set
+# CONFIG_CMD_UNZIP is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_GPT_RENAME=y
+CONFIG_CMD_LSBLK=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PART=y
+CONFIG_CMD_READ=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_SMC=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_PARTITION_TYPE_GUID=y
+CONFIG_ENV_OVERWRITE=y
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_CLK=y
+CONFIG_MMC_HS200_SUPPORT=y
+CONFIG_MMC_MTK=y
+CONFIG_PHY_FIXED=y
+CONFIG_DM_ETH=y
+CONFIG_MEDIATEK_ETH=y
+CONFIG_PINCTRL=y
+CONFIG_PINCONF=y
+CONFIG_PINCTRL_MT7986=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_MTK_POWER_DOMAIN=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_SERIAL=y
+CONFIG_MTK_SERIAL=y
+CONFIG_FAT_WRITE=y
+CONFIG_HEXDUMP=y
+# CONFIG_EFI_LOADER is not set
diff --git a/configs/mt7986b_sd_rfb_defconfig
b/configs/mt7986b_sd_rfb_defconfig
new file mode 100644
index 0000000000..0e5ab55ab5
--- /dev/null
+++ b/configs/mt7986b_sd_rfb_defconfig
@@ -0,0 +1,64 @@
+CONFIG_ARM=y
+CONFIG_POSITION_INDEPENDENT=y
+CONFIG_ARCH_MEDIATEK=y
+CONFIG_SYS_TEXT_BASE=0x41e00000
+CONFIG_SYS_MALLOC_F_LEN=0x4000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_ENV_SIZE=0x80000
+CONFIG_ENV_OFFSET=0x300000
+CONFIG_DEFAULT_DEVICE_TREE="mt7986b-sd-rfb"
+CONFIG_TARGET_MT7986=y
+CONFIG_DEBUG_UART_BASE=0x11002000
+CONFIG_DEBUG_UART_CLOCK=40000000
+CONFIG_SYS_LOAD_ADDR=0x46000000
+CONFIG_DEBUG_UART=y
+# CONFIG_AUTOBOOT is not set
+CONFIG_DEFAULT_FDT_FILE="mt7986b-sd-rfb"
+CONFIG_LOGLEVEL=7
+CONFIG_LOG=y
+CONFIG_SYS_PROMPT="MT7986> "
+CONFIG_SYS_CBSIZE=512
+CONFIG_SYS_PBSIZE=1049
+# CONFIG_BOOTM_NETBSD is not set
+# CONFIG_BOOTM_PLAN9 is not set
+# CONFIG_BOOTM_RTEMS is not set
+# CONFIG_BOOTM_VXWORKS is not set
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_UNLZ4 is not set
+# CONFIG_CMD_UNZIP is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_GPT_RENAME=y
+CONFIG_CMD_LSBLK=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PART=y
+CONFIG_CMD_READ=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_SMC=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_PARTITION_TYPE_GUID=y
+CONFIG_ENV_OVERWRITE=y
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_CLK=y
+CONFIG_MMC_HS200_SUPPORT=y
+CONFIG_MMC_MTK=y
+CONFIG_PHY_FIXED=y
+CONFIG_DM_ETH=y
+CONFIG_MEDIATEK_ETH=y
+CONFIG_PINCTRL=y
+CONFIG_PINCONF=y
+CONFIG_PINCTRL_MT7986=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_MTK_POWER_DOMAIN=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_SERIAL=y
+CONFIG_MTK_SERIAL=y
+CONFIG_FAT_WRITE=y
+CONFIG_HEXDUMP=y
+# CONFIG_EFI_LOADER is not set
diff --git a/include/configs/mt7986.h b/include/configs/mt7986.h
new file mode 100644
index 0000000000..b28fc0f613
--- /dev/null
+++ b/include/configs/mt7986.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Configuration for MediaTek MT7986 SoC
+ *
+ * Copyright (C) 2022 MediaTek Inc.
+ * Author: Sam Shih <sam.s...@mediatek.com>
+ */
+
+#ifndef __MT7986_H
+#define __MT7986_H
+
+#include <linux/sizes.h>
+
+#define CONFIG_SYS_NONCACHED_MEMORY SZ_1M
+#define CONFIG_SYS_MMC_ENV_DEV 0
+
+/* Uboot definition */
+#define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_TEXT_BASE
+
+/* SPL -> Uboot */
+#define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
+
+/* DRAM */
+#define CONFIG_SYS_SDRAM_BASE 0x40000000
+
+#endif
--
2.17.1
