riscv: Add pinmux and gpio bindings for Kendryte K210

This patch adds the necessary device tree bindings.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Rick Chen <rick@andestech.com>

diff --git a/arch/riscv/dts/k210-maix-bit.dts b/arch/riscv/dts/k210-maix-bit.dts
index 5b32c5fd5f1882bf5a8279ca89b303a324c95bb5..e840e04ada2aca6f09edd875dc7898d67257053b 100644 (file)
--- a/arch/riscv/dts/k210-maix-bit.dts
+++ b/arch/riscv/dts/k210-maix-bit.dts
@@ -17,6 +17,22 @@
                stdout-path = "serial0:115200";
        };
 
+       gpio-leds {
+               compatible = "gpio-leds";
+
+               green {
+                       gpios = <&gpio1_0 4 GPIO_ACTIVE_LOW>;
+               };
+
+               red {
+                       gpios = <&gpio1_0 5 GPIO_ACTIVE_LOW>;
+               };
+
+               blue {
+                       gpios = <&gpio1_0 6 GPIO_ACTIVE_LOW>;
+               };
+       };
+
        sound {
                compatible = "simple-audio-card";
                simple-audio-card,format = "i2s";
@@ -39,9 +55,97 @@
 };
 
 &uarths0 {
+       pinctrl-0 = <&fpioa_uarths>;
+       pinctrl-names = "default";
+       status = "okay";
+};
+
+&gpio0 {
+       pinctrl-0 = <&fpioa_gpiohs>;
+       pinctrl-names = "default";
+       status = "okay";
+};
+
+&gpio1 {
+       pinctrl-0 = <&fpioa_gpio>;
+       pinctrl-names = "default";
        status = "okay";
 };
 
 &i2s0 {
        #sound-dai-cells = <1>;
+       pinctrl-0 = <&fpioa_i2s0>;
+       pinctrl-names = "default";
+};
+
+&fpioa {
+       status = "okay";
+
+       fpioa_uarths: uarths {
+               pinmux = <K210_FPIOA(4, K210_PCF_UARTHS_RX)>,
+                        <K210_FPIOA(5, K210_PCF_UARTHS_TX)>;
+       };
+
+       fpioa_gpio: gpio {
+               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)>;
+       };
+
+       fpioa_gpiohs: gpiohs {
+               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(30, K210_PCF_GPIOHS14)>,
+                        <K210_FPIOA(31, K210_PCF_GPIOHS15)>,
+                        <K210_FPIOA(32, K210_PCF_GPIOHS16)>,
+                        <K210_FPIOA(33, K210_PCF_GPIOHS17)>,
+                        <K210_FPIOA(34, K210_PCF_GPIOHS18)>,
+                        <K210_FPIOA(35, K210_PCF_GPIOHS19)>;
+       };
+
+       fpioa_i2s0: i2s0 {
+               pinmux = <K210_FPIOA(18, K210_PCF_I2S0_SCLK)>,
+                        <K210_FPIOA(19, K210_PCF_I2S0_WS)>,
+                        <K210_FPIOA(20, K210_PCF_I2S0_IN_D0)>;
+       };
+
+       fpioa_dvp: dvp {
+               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)>;
+       };
+
+       fpioa_spi0: spi0 {
+               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 */
+       };
+
+       fpioa_spi1: spi1 {
+               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)>;
+       };
+};
+
+&dvp0 {
+       pinctrl-0 = <&fpioa_dvp>;
+       pinctrl-names = "default";
 };

diff --git a/arch/riscv/dts/k210.dtsi b/arch/riscv/dts/k210.dtsi
index 84cff51c3691acd64f20d090758b5b8045b7224d..7605c01f3c285edea36128be4a386cb2a3bb137e 100644 (file)
--- a/arch/riscv/dts/k210.dtsi
+++ b/arch/riscv/dts/k210.dtsi
@@ -5,6 +5,7 @@
 
 #include <dt-bindings/clock/k210-sysctl.h>
 #include <dt-bindings/mfd/k210-sysctl.h>
+#include <dt-bindings/pinctrl/k210-pinctrl.h>
 #include <dt-bindings/reset/k210-sysctl.h>
 
 / {
@@ -368,7 +369,18 @@
                                reg = <0x502B0000 0x100>;
                                clocks = <&sysclk K210_CLK_FPIOA>;
                                resets = <&sysrst K210_RST_FPIOA>;
+                               kendryte,sysctl = <&sysctl>;
+                               kendryte,power-offset = <K210_SYSCTL_POWER_SEL>;
+                               pinctrl-0 = <&fpioa_jtag>;
+                               pinctrl-names = "default";
                                status = "disabled";
+
+                               fpioa_jtag: jtag {
+                                       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)>;
+                               };
                        };
 
                        sha256: sha256@502C0000 {