aboutsummaryrefslogtreecommitdiff
path: root/arch/riscv
diff options
context:
space:
mode:
authorDamien Le Moal <damien.lemoal@wdc.com>2021-02-10 14:02:26 +0900
committerPalmer Dabbelt <palmerdabbelt@google.com>2021-02-22 17:51:16 -0800
commit8194f08bda18329d527abe0d767b031a108b7121 (patch)
tree2bd839a9e7dbd4a0192f70e69d613c2271aa8bc6 /arch/riscv
parenta40f920964c4edef3885cd7fe944033687039f69 (diff)
downloadlinux-8194f08bda18329d527abe0d767b031a108b7121.tar.gz
riscv: Add SiPeed MAIX GO board device tree
Add the device tree sipeed_maix_go.dts for the SiPeed MAIX GO board. This device tree enables buttons, LEDs, gpio, i2c and spi/mmc SD card devices. Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> [Palmer: Remove undocumented microphone entry, along with the use.] Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch/riscv')
-rw-r--r--arch/riscv/boot/dts/canaan/sipeed_maix_go.dts219
1 files changed, 219 insertions, 0 deletions
diff --git a/arch/riscv/boot/dts/canaan/sipeed_maix_go.dts b/arch/riscv/boot/dts/canaan/sipeed_maix_go.dts
new file mode 100644
index 000000000000..623998194bc1
--- /dev/null
+++ b/arch/riscv/boot/dts/canaan/sipeed_maix_go.dts
@@ -0,0 +1,219 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019-20 Sean Anderson <seanga2@gmail.com>
+ * Copyright (C) 2020 Western Digital Corporation or its affiliates.
+ */
+
+/dts-v1/;
+
+#include "k210.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+ model = "SiPeed MAIX GO";
+ compatible = "sipeed,maix-go", "canaan,kendryte-k210";
+
+ chosen {
+ bootargs = "earlycon console=ttySIF0";
+ stdout-path = "serial0:115200n8";
+ };
+
+ gpio-leds {
+ compatible = "gpio-leds";
+
+ led0 {
+ color = <LED_COLOR_ID_GREEN>;
+ label = "green";
+ gpios = <&gpio1_0 4 GPIO_ACTIVE_LOW>;
+ };
+
+ led1 {
+ color = <LED_COLOR_ID_RED>;
+ label = "red";
+ gpios = <&gpio1_0 5 GPIO_ACTIVE_LOW>;
+ };
+
+ led2 {
+ color = <LED_COLOR_ID_BLUE>;
+ label = "blue";
+ gpios = <&gpio1_0 6 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ up {
+ label = "UP";
+ linux,code = <BTN_1>;
+ gpios = <&gpio1_0 7 GPIO_ACTIVE_LOW>;
+ };
+
+ press {
+ label = "PRESS";
+ linux,code = <BTN_0>;
+ gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
+ };
+
+ down {
+ label = "DOWN";
+ linux,code = <BTN_2>;
+ gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&fpioa {
+ pinctrl-0 = <&jtag_pinctrl>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ jtag_pinctrl: jtag-pinmux {
+ pinmux = <K210_FPIOA(0, K210_PCF_JTAG_TCLK)>,
+ <K210_FPIOA(1, K210_PCF_JTAG_TDI)>,
+ <K210_FPIOA(2, K210_PCF_JTAG_TMS)>,
+ <K210_FPIOA(3, K210_PCF_JTAG_TDO)>;
+ };
+
+ uarths_pinctrl: uarths-pinmux {
+ pinmux = <K210_FPIOA(4, K210_PCF_UARTHS_RX)>,
+ <K210_FPIOA(5, K210_PCF_UARTHS_TX)>;
+ };
+
+ gpio_pinctrl: gpio-pinmux {
+ pinmux = <K210_FPIOA(8, K210_PCF_GPIO0)>,
+ <K210_FPIOA(9, K210_PCF_GPIO1)>,
+ <K210_FPIOA(10, K210_PCF_GPIO2)>,
+ <K210_FPIOA(11, K210_PCF_GPIO3)>,
+ <K210_FPIOA(12, K210_PCF_GPIO4)>,
+ <K210_FPIOA(13, K210_PCF_GPIO5)>,
+ <K210_FPIOA(14, K210_PCF_GPIO6)>,
+ <K210_FPIOA(15, K210_PCF_GPIO7)>;
+ };
+
+ gpiohs_pinctrl: gpiohs-pinmux {
+ pinmux = <K210_FPIOA(16, K210_PCF_GPIOHS0)>,
+ <K210_FPIOA(17, K210_PCF_GPIOHS1)>,
+ <K210_FPIOA(21, K210_PCF_GPIOHS5)>,
+ <K210_FPIOA(22, K210_PCF_GPIOHS6)>,
+ <K210_FPIOA(23, K210_PCF_GPIOHS7)>,
+ <K210_FPIOA(24, K210_PCF_GPIOHS8)>,
+ <K210_FPIOA(25, K210_PCF_GPIOHS9)>,
+ <K210_FPIOA(32, K210_PCF_GPIOHS16)>,
+ <K210_FPIOA(33, K210_PCF_GPIOHS17)>,
+ <K210_FPIOA(34, K210_PCF_GPIOHS18)>,
+ <K210_FPIOA(35, K210_PCF_GPIOHS19)>;
+ };
+
+ i2s0_pinctrl: i2s0-pinmux {
+ pinmux = <K210_FPIOA(18, K210_PCF_I2S0_SCLK)>,
+ <K210_FPIOA(19, K210_PCF_I2S0_WS)>,
+ <K210_FPIOA(20, K210_PCF_I2S0_IN_D0)>;
+ };
+
+ dvp_pinctrl: dvp-pinmux {
+ pinmux = <K210_FPIOA(40, K210_PCF_SCCB_SDA)>,
+ <K210_FPIOA(41, K210_PCF_SCCB_SCLK)>,
+ <K210_FPIOA(42, K210_PCF_DVP_RST)>,
+ <K210_FPIOA(43, K210_PCF_DVP_VSYNC)>,
+ <K210_FPIOA(44, K210_PCF_DVP_PWDN)>,
+ <K210_FPIOA(45, K210_PCF_DVP_HSYNC)>,
+ <K210_FPIOA(46, K210_PCF_DVP_XCLK)>,
+ <K210_FPIOA(47, K210_PCF_DVP_PCLK)>;
+ };
+
+ spi0_pinctrl: spi0-pinmux {
+ pinmux = <K210_FPIOA(36, K210_PCF_GPIOHS20)>, /* cs */
+ <K210_FPIOA(37, K210_PCF_GPIOHS21)>, /* rst */
+ <K210_FPIOA(38, K210_PCF_GPIOHS22)>, /* dc */
+ <K210_FPIOA(39, K210_PCF_SPI0_SCLK)>; /* wr */
+ };
+
+ spi1_pinctrl: spi1-pinmux {
+ pinmux = <K210_FPIOA(26, K210_PCF_SPI1_D1)>,
+ <K210_FPIOA(27, K210_PCF_SPI1_SCLK)>,
+ <K210_FPIOA(28, K210_PCF_SPI1_D0)>,
+ <K210_FPIOA(29, K210_PCF_GPIOHS13)>; /* cs */
+ };
+
+ i2c1_pinctrl: i2c1-pinmux {
+ pinmux = <K210_FPIOA(30, K210_PCF_I2C1_SCLK)>,
+ <K210_FPIOA(31, K210_PCF_I2C1_SDA)>;
+ };
+};
+
+&uarths0 {
+ pinctrl-0 = <&uarths_pinctrl>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&gpio0 {
+ pinctrl-0 = <&gpiohs_pinctrl>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&gpio1 {
+ pinctrl-0 = <&gpio_pinctrl>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&i2s0 {
+ #sound-dai-cells = <1>;
+ pinctrl-0 = <&i2s0_pinctrl>;
+ pinctrl-names = "default";
+};
+
+&i2c1 {
+ pinctrl-0 = <&i2c1_pinctrl>;
+ pinctrl-names = "default";
+ clock-frequency = <400000>;
+ status = "okay";
+};
+
+&spi0 {
+ pinctrl-0 = <&spi0_pinctrl>;
+ pinctrl-names = "default";
+ num-cs = <1>;
+ cs-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
+
+ panel@0 {
+ compatible = "sitronix,st7789v";
+ reg = <0>;
+ reset-gpios = <&gpio0 21 GPIO_ACTIVE_LOW>;
+ dc-gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>;
+ spi-max-frequency = <15000000>;
+ status = "disabled";
+ };
+};
+
+&spi1 {
+ pinctrl-0 = <&spi1_pinctrl>;
+ pinctrl-names = "default";
+ num-cs = <1>;
+ cs-gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
+ status = "okay";
+
+ slot@0 {
+ compatible = "mmc-spi-slot";
+ reg = <0>;
+ voltage-ranges = <3300 3300>;
+ spi-max-frequency = <25000000>;
+ broken-cd;
+ };
+};
+
+&spi3 {
+ spi-flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <50000000>;
+ m25p,fast-read;
+ broken-flash-reset;
+ };
+};