diff mbox series

[2/3] arm64: dts: imx8dxl-evk: add i2c3 and its children nodes

Message ID 20240129221458.250492-2-Frank.Li@nxp.com
State New
Headers
Series [1/3] arm64: dts: imx8dxl: update flexcan[1-3] interrupt number |

Commit Message

Frank Li Jan. 29, 2024, 10:14 p.m. UTC 
  Add i2c3 bus node. Add i2c gpio expandor pca6416 and i2c mux pca9548.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8dxl-evk.dts | 55 +++++++++++++++++++
 1 file changed, 55 insertions(+)

Comments

Krzysztof Kozlowski Jan. 30, 2024, 8:03 a.m. UTC | #1 
On 29/01/2024 23:14, Frank Li wrote:
> Add i2c3 bus node. Add i2c gpio expandor pca6416 and i2c mux pca9548.
> 
> Signed-off-by: Frank Li <Frank.Li@nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/imx8dxl-evk.dts | 55 +++++++++++++++++++
>  1 file changed, 55 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
> index b972658efb176..d313cf1dd79d5 100644
> --- a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
> @@ -261,6 +261,61 @@ i2c@6 {
>  	};
>  };
>  
> +&i2c3 {
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	clock-frequency = <100000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c3>;
> +	status = "okay";
> +
> +	pca6416_3: gpio@20 {
> +		compatible = "ti,tca6416";
> +		reg = <0x20>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +		interrupt-parent = <&lsio_gpio2>;
> +		interrupts = <5 IRQ_TYPE_EDGE_RISING>;
> +	};
> +
> +	pca9548_2: i2c-mux@70 {
> +		compatible = "nxp,pca9548";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		reg = <0x70>;

reg is always the second property.

https://www.kernel.org/doc/html/latest/devicetree/bindings/dts-coding-style.html#order-of-properties-in-device-node



Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
index b972658efb176..d313cf1dd79d5 100644
--- a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
@@ -261,6 +261,61 @@  i2c@6 {
 	};
 };
 
+&i2c3 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c3>;
+	status = "okay";
+
+	pca6416_3: gpio@20 {
+		compatible = "ti,tca6416";
+		reg = <0x20>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-parent = <&lsio_gpio2>;
+		interrupts = <5 IRQ_TYPE_EDGE_RISING>;
+	};
+
+	pca9548_2: i2c-mux@70 {
+		compatible = "nxp,pca9548";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x70>;
+
+		i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x0>;
+		};
+
+		i2c@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x1>;
+		};
+
+		i2c@2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x2>;
+		};
+
+		i2c@3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x3>;
+		};
+
+		i2c@4 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x4>;
+		};
+	};
+};
+
 &lpuart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_lpuart0>;