[PATCH] arm64: dts: ti: k3-j722s-evm: Add pinmux for RPi Header

[Bhavya Kapoor]

Kindly reject this patch as i will send another version with few 
modifications.

Thanks

On 28/10/24 1:54 pm, Bhavya Kapoor wrote:
> Add pinmux required to bring out the i2c and gpios on
> 40-pin RPi expansion header on the J722S EVM.
>
> Signed-off-by: Bhavya Kapoor <b-kapoor at ti.com>
> Signed-off-by: Shreyash Sinha <s-sinha at ti.com>
> ---
>
> Rebased To - next-20241025
>
>   arch/arm64/boot/dts/ti/k3-j722s-evm.dts | 62 +++++++++++++++++++++++++
>   1 file changed, 62 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
> index a00f4a7d20d9..7dce021a8a3c 100644
> --- a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
> +++ b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
> @@ -359,6 +359,32 @@ audio_ext_refclk1_pins_default: audio-ext-refclk1-default-pins {
>   			J722S_IOPAD(0x00a0, PIN_OUTPUT, 1) /* (N24) GPMC0_WPn.AUDIO_EXT_REFCLK1 */
>   		>;
>   	};
> +
> +	rpi_header_gpio0_pins_default: rpi-header-gpio0-default-pins {
> +		pinctrl-single,pins = <
> +			J722S_IOPAD(0x094, PIN_INPUT, 7) /* (P26) GPIO0_36 */
> +			J722S_IOPAD(0x088, PIN_INPUT, 7) /* (N22) GPIO0_33 */
> +			J722S_IOPAD(0x0ac, PIN_INPUT, 7) /* (P21) GPIO0_42 */
> +			J722S_IOPAD(0x0a8, PIN_INPUT, 7) /* (R27) GPIO0_41 */
> +		>;
> +	};
> +
> +	rpi_header_gpio1_pins_default: rpi-header-gpio1-default-pins {
> +		pinctrl-single,pins = <
> +			J722S_IOPAD(0x1b0, PIN_INPUT, 7) /* (F24) GPIO1_14 */
> +			J722S_IOPAD(0x1ac, PIN_INPUT, 7) /* (C27) GPIO1_13 */
> +			J722S_IOPAD(0x198, PIN_INPUT, 7) /* (A26) GPIO1_8 */
> +			J722S_IOPAD(0x1a4, PIN_INPUT, 7) /* (D25) GPIO1_11 */
> +			J722S_IOPAD(0x194, PIN_INPUT, 7) /* (A25) GPIO1_7 */
> +			J722S_IOPAD(0x1b8, PIN_INPUT, 7) /* (C20) GPIO1_16 */
> +			J722S_IOPAD(0x1a8, PIN_INPUT, 7) /* (C26) GPIO1_12 */
> +			J722S_IOPAD(0x1a0, PIN_INPUT, 7) /* (F23) GPIO1_10 */
> +			J722S_IOPAD(0x19c, PIN_INPUT, 7) /* (B25) GPIO1_9 */
> +			J722S_IOPAD(0x1b4, PIN_INPUT, 7) /* (B20) GPIO1_15 */
> +			J722S_IOPAD(0x1bc, PIN_INPUT, 7) /* (D20) GPIO1_17 */
> +			J722S_IOPAD(0x1c0, PIN_INPUT, 7) /* (E19) GPIO1_18 */
> +		>;
> +	};
>   };
>   
>   &cpsw3g {
> @@ -387,6 +413,8 @@ &cpsw_port1 {
>   };
>   
>   &main_gpio1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&rpi_header_gpio1_pins_default>;
>   	status = "okay";
>   };
>   
> @@ -443,6 +471,25 @@ J722S_MCU_IOPAD(0x050, PIN_INPUT_PULLUP, 0)	/* (C6) WKUP_I2C1_SDA */
>   		>;
>   		bootph-all;
>   	};
> +
> +	mcu_rpi_header_gpio0_pins_default: mcu-rpi-header-gpio0-default-pins {
> +		pinctrl-single,pins = <
> +			J722S_MCU_IOPAD(0x01c, PIN_INPUT, 7) /* (B5) MCU_GPIO0_7 */
> +			J722S_MCU_IOPAD(0x020, PIN_INPUT, 7) /* (C5) MCU_GPIO0_8 */
> +			J722S_MCU_IOPAD(0x00c, PIN_INPUT, 7) /* (B12) MCU_GPIO0_3 */
> +			J722S_MCU_IOPAD(0x010, PIN_INPUT, 7) /* (C11) MCU_GPIO0_4 */
> +			J722S_MCU_IOPAD(0x008, PIN_INPUT, 7) /* (A9) MCU_GPIO0_2 */
> +			J722S_MCU_IOPAD(0x000, PIN_INPUT, 7) /* (C12) MCU_GPIO0_0 */
> +			J722S_MCU_IOPAD(0x004, PIN_INPUT, 7) /* (A10) MCU_GPIO0_1 */
> +		>;
> +	};
> +
> +	mcu_i2c0_pins_default: mcu-i2c0-default-pins {
> +		pinctrl-single,pins = <
> +			J722S_MCU_IOPAD(0x048, PIN_INPUT, 0) /* (E11) MCU_I2C0_SDA */
> +			J722S_MCU_IOPAD(0x044, PIN_INPUT, 0) /* (B13) MCU_I2C0_SCL */
> +		>;
> +	};
>   };
>   
>   &wkup_uart0 {
> @@ -810,5 +857,20 @@ &main_mcan0 {
>   };
>   
>   &mcu_gpio0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&mcu_rpi_header_gpio0_pins_default>;
> +	status = "okay";
> +};
> +
> +&main_gpio0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&rpi_header_gpio0_pins_default>;
> +	status = "okay";
> +};
> +
> +&mcu_i2c0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&mcu_i2c0_pins_default>;
> +	clock-frequency = <400000>;
>   	status = "okay";
>   };