board: mediatek: add Bananapi-R3 devicetree
Add board specific devicetree for Bananapi R3 SBC.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index ca03a96..29fb1c1 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1310,6 +1310,8 @@
mt7981-rfb.dtb \
mt7981-emmc-rfb.dtb \
mt7981-sd-rfb.dtb \
+ mt7986a-bpi-r3-sd.dtb \
+ mt7986a-bpi-r3-emmc.dtb \
mt7986a-rfb.dtb \
mt7986b-rfb.dtb \
mt7986a-sd-rfb.dtb \
diff --git a/arch/arm/dts/mt7986a-bpi-r3-emmc.dts b/arch/arm/dts/mt7986a-bpi-r3-emmc.dts
new file mode 100644
index 0000000..4e2e526
--- /dev/null
+++ b/arch/arm/dts/mt7986a-bpi-r3-emmc.dts
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2021 MediaTek Inc.
+ * Author: Sam Shih <sam.shih@mediatek.com>
+ */
+
+/dts-v1/;
+#include "mt7986a-bpi-r3-sd.dts"
+#include <dt-bindings/gpio/gpio.h>
+/ {
+ 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;
+ };
+};
+
+&mmc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins_default>;
+ bus-width = <8>;
+ max-frequency = <200000000>;
+ cap-mmc-highspeed;
+ cap-mmc-hw-reset;
+ vmmc-supply = <®_3p3v>;
+ vqmmc-supply = <®_1p8v>;
+ non-removable;
+ status = "okay";
+};
diff --git a/arch/arm/dts/mt7986a-bpi-r3-sd.dts b/arch/arm/dts/mt7986a-bpi-r3-sd.dts
new file mode 100644
index 0000000..4d12440
--- /dev/null
+++ b/arch/arm/dts/mt7986a-bpi-r3-sd.dts
@@ -0,0 +1,268 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2021 MediaTek Inc.
+ * Author: Sam Shih <sam.shih@mediatek.com>
+ */
+
+/dts-v1/;
+#include "mt7986.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ model = "BananaPi BPi-R3";
+ compatible = "mediatek,mt7986", "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;
+ };
+
+ keys {
+ compatible = "gpio-keys";
+
+ factory {
+ label = "reset";
+ gpios = <&gpio 9 GPIO_ACTIVE_LOW>;
+ };
+
+ wps {
+ label = "wps";
+ gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led_status_green: green {
+ label = "green:status";
+ gpios = <&gpio 69 GPIO_ACTIVE_HIGH>;
+ };
+
+ led_status_blue: blue {
+ label = "blue:status";
+ gpios = <&gpio 86 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+};
+
+&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 {
+ 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>;
+ };
+ };
+
+ 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_00>;
+ };
+
+ conf-pd {
+ pins = "SPI2_CLK", "SPI2_MOSI", "SPI2_MISO";
+ drive-strength = <MTK_DRIVE_8mA>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_00>;
+ };
+ };
+};
+
+&pwm {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm_pins>;
+ status = "okay";
+};
+
+&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 = <1>;
+ sample_sel = <0>;
+
+ spi_nor@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <52000000>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "bl2";
+ reg = <0x0 0x40000>;
+ };
+
+ partition@40000 {
+ label = "u-boot-env";
+ reg = <0x40000 0x40000>;
+ };
+
+ partition@80000 {
+ label = "reserved";
+ reg = <0x80000 0x80000>;
+ };
+
+ partition@100000 {
+ label = "fip";
+ reg = <0x100000 0x80000>;
+ };
+
+ partition@180000 {
+ label = "recovery";
+ reg = <0x180000 0xa80000>;
+ };
+
+ partition@c00000 {
+ label = "fit";
+ reg = <0xc00000 0x1400000>;
+ };
+ };
+ };
+
+ spi_nand@1 {
+ compatible = "spi-nand";
+ reg = <1>;
+ spi-max-frequency = <52000000>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "bl2";
+ reg = <0x0 0x80000>;
+ };
+
+ partition@80000 {
+ label = "factory";
+ reg = <0x80000 0x300000>;
+ };
+
+ partition@380000 {
+ label = "fip";
+ reg = <0x380000 0x200000>;
+ };
+
+ partition@580000 {
+ label = "ubi";
+ reg = <0x580000 0x7a80000>;
+ };
+ };
+ };
+};
+
+&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";
+};