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 (file)
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1310,6 +1310,8 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \
        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 (file)
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 = <&reg_3p3v>;
+       vqmmc-supply = <&reg_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 (file)
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";
+};
+
+&eth {
+       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 = <&reg_3p3v>;
+       vqmmc-supply = <&reg_3p3v>;
+       status = "okay";
+};