This patch adds the necessary device tree bindings.
Signed-off-by: Sean Anderson seanga2@gmail.com
---
Changes in v2: - Convert to use pinmux property - Don't hog ISP on boot - Re-order GPIOs to match the defaults more closely
arch/riscv/dts/k210-maix-bit.dts | 104 +++++++++++++++++++++++++++++++ arch/riscv/dts/k210.dtsi | 12 ++++ 2 files changed, 116 insertions(+)
diff --git a/arch/riscv/dts/k210-maix-bit.dts b/arch/riscv/dts/k210-maix-bit.dts index 5b32c5fd5f..e840e04ada 100644 --- 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 2546c7d4e0..fc7986b326 100644 --- 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>
/ { @@ -367,7 +368,18 @@ 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 {