Re: [PATCH] arm: dts: imx6qdl: add gpio expander pca9535

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Hello Marco,

Thanks for your review.

Corrected in v2.

Regards,
Gilles

----- Le 12 Juil 19, à 15:55, Marco Felsch m.felsch@xxxxxxxxxxxxxx a écrit :

Hi,

On 19-07-12 14:45, Gilles DOFFE wrote:
> The pca9535 gpio expander is present on the Rex baseboard, but missing
> from the dtsi.
> 
> Add the new gpio controller and the associated interrupt line
> MX6QDL_PAD_NANDF_CS3__GPIO6_IO16.
> 
> Signed-off-by: Gilles DOFFE <gilles.doffe@xxxxxxxxxxxxxxxxxxxx>
> ---
>  arch/arm/boot/dts/imx6qdl-rex.dtsi | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/imx6qdl-rex.dtsi b/arch/arm/boot/dts/imx6qdl-rex.dtsi
> index 97f1659144ea..d5324c6761c1 100644
> --- a/arch/arm/boot/dts/imx6qdl-rex.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-rex.dtsi
> @@ -136,6 +136,19 @@
>  		compatible = "atmel,24c02";
>  		reg = <0x57>;
>  	};
> +
> +	gpio8: pca9535@27 {

Just a nitpick, I would change that to

	pca9535: gpio8@27 {

Regards,
  Marco

> +		compatible = "nxp,pca9535";
> +		reg = <0x27>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_pca9535>;
> +		interrupt-parent = <&gpio6>;
> +		interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
> +		interrupt-controller;
> +		#interrupt-cells = <2>;
> +	};
>  };
>  
>  &i2c3 {
> @@ -237,6 +250,12 @@
>  			>;
>  		};
>  
> +		pinctrl_pca9535: pca9535 {
> +			fsl,pins = <
> +				MX6QDL_PAD_NANDF_CS3__GPIO6_IO16	0x00017059
> +		   >;
> +		};
> +
>  		pinctrl_uart1: uart1grp {
>  			fsl,pins = <
>  				MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA	0x1b0b1
> -- 
> 2.19.1
> 
> 
> 

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