[v1] arm64: dts: imx95: various updates

[PATCH 10/13] arm64: dts: imx95-19x19-evk: Add pca9632 node

Posted by Peng Fan 1 month, 2 weeks ago

Add an I²C-bus controlled 4-bit LED driver PCA9632 under lpi2c3.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
index 82e183dc581012a7c5be3d2bf749463d0a8a360d..c35a5083c837379804e07f98163c0a5d4301abd7 100644
--- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
@@ -329,6 +329,19 @@ i2c3_gpio_expander_20: gpio@20 {
 		reg = <0x20>;
 		vcc-supply = <&reg_3p3v>;
 	};
+
+	pca9632: pca9632@62 {
+		compatible = "nxp,pca9632";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x62>;
+
+		led_baclklight: led@0 {
+			label = "backlight";
+			reg = <0>;
+			linux,default-trigger = "none";
+		};
+	};
 };
 
 &lpi2c4 {

-- 
2.37.1

Re: [PATCH 10/13] arm64: dts: imx95-19x19-evk: Add pca9632 node

Posted by Frank Li 1 month, 2 weeks ago

On Fri, Aug 15, 2025 at 05:03:56PM +0800, Peng Fan wrote:
> Add an I²C-bus controlled 4-bit LED driver PCA9632 under lpi2c3.

I²C not sure display correct in all system.  I2C should be enough.

>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
> index 82e183dc581012a7c5be3d2bf749463d0a8a360d..c35a5083c837379804e07f98163c0a5d4301abd7 100644
> --- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
> @@ -329,6 +329,19 @@ i2c3_gpio_expander_20: gpio@20 {
>  		reg = <0x20>;
>  		vcc-supply = <&reg_3p3v>;
>  	};
> +
> +	pca9632: pca9632@62 {
> +		compatible = "nxp,pca9632";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		reg = <0x62>;

reg should just after compatible

> +
> +		led_baclklight: led@0 {
> +			label = "backlight";
> +			reg = <0>;

reg should first one.

Frank
> +			linux,default-trigger = "none";
> +		};
> +	};
>  };
>
>  &lpi2c4 {
>
> --
> 2.37.1
>