arm64: dts: ti: k3-j722s-evm: Enable support for mcu_i2c0

[PATCH] arm64: dts: ti: k3-j722s-evm: Enable support for mcu_i2c0

Posted by Bhavya Kapoor 2 weeks, 5 days ago

Enable support for mcu_i2c0 and add pinmux required to bring out the
mcu_i2c0 signals on 40-pin RPi expansion header on the J722S EVM.

Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com>
Signed-off-by: Shreyash Sinha <s-sinha@ti.com>
---
 arch/arm64/boot/dts/ti/k3-j722s-evm.dts | 14 ++++++++++++++
 1 file changed, 14 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..796287c76b69 100644
--- a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
@@ -406,6 +406,13 @@ &main_uart5 {
 
 &mcu_pmx0 {
 
+	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 */
+		>;
+	};
+
 	mcu_mcan0_pins_default: mcu-mcan0-default-pins {
 		pinctrl-single,pins = <
 			J722S_MCU_IOPAD(0x038, PIN_INPUT, 0) /* (D8) MCU_MCAN0_RX */
@@ -812,3 +819,10 @@ &main_mcan0 {
 &mcu_gpio0 {
 	status = "okay";
 };
+
+&mcu_i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcu_i2c0_pins_default>;
+	clock-frequency = <400000>;
+	status = "okay";
+};
-- 
2.34.1

Re: [PATCH] arm64: dts: ti: k3-j722s-evm: Enable support for mcu_i2c0

Posted by Prasanth Mantena 2 weeks, 3 days ago

On 14:42, Bhavya Kapoor wrote:
> Enable support for mcu_i2c0 and add pinmux required to bring out the
> mcu_i2c0 signals on 40-pin RPi expansion header on the J722S EVM.
> 
> Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com>
> Signed-off-by: Shreyash Sinha <s-sinha@ti.com>
> ---
>  arch/arm64/boot/dts/ti/k3-j722s-evm.dts | 14 ++++++++++++++
>  1 file changed, 14 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..796287c76b69 100644
> --- a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
> +++ b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
> @@ -406,6 +406,13 @@ &main_uart5 {
>  
>  &mcu_pmx0 {
>  
> +	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 */
> +		>;
> +	};
> +
>  	mcu_mcan0_pins_default: mcu-mcan0-default-pins {
>  		pinctrl-single,pins = <
>  			J722S_MCU_IOPAD(0x038, PIN_INPUT, 0) /* (D8) MCU_MCAN0_RX */
> @@ -812,3 +819,10 @@ &main_mcan0 {
>  &mcu_gpio0 {
>  	status = "okay";
>  };
> +
> +&mcu_i2c0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&mcu_i2c0_pins_default>;
> +	clock-frequency = <400000>;
> +	status = "okay";
> +};

Reviewed-by: Prasanth Babu Mantena <p-mantena@ti.com>

> -- 
> 2.34.1
> 
>