> -----Original Message-----
> From: linuxppc-release-boun...@linux.freescale.net [mailto:linuxppc-release-
> boun...@linux.freescale.net] On Behalf Of Chenhui Zhao
> Sent: Friday, April 15, 2016 6:13 AM
> To: linuxppc-dev@lists.ozlabs.org; o...@buserror.net
> Cc: Chenhui Zhao <chenhui.z...@nxp.com>; Zhengxiong Jin
> <jason....@nxp.com>
> Subject: [linuxppc-release] [PATCH v2 3/5] powerpc/dts: add a compatible
> string
> to gpio0
>
> All gpio nodes used the same compatible string "fsl,qoriq-gpio".
> To identify the node corresponding to the GPIO1 pins, add a compatible string
> "fsl,qoriq-gpio-1".
This is not a documented binding. And we normally don't add compatible strings
for this purpose. If you want to reference a specific GPIO pin, use the
binding described at Documentation/devicetree/bindings/gpio/gpio.txt
Regards,
Leo
>
> Signed-off-by: Chenhui Zhao <chenhui.z...@nxp.com>
> ---
> arch/powerpc/boot/dts/fsl/qoriq-gpio-0.dtsi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/boot/dts/fsl/qoriq-gpio-0.dtsi
> b/arch/powerpc/boot/dts/fsl/qoriq-gpio-0.dtsi
> index cf714f5..1a26d6b 100644
> --- a/arch/powerpc/boot/dts/fsl/qoriq-gpio-0.dtsi
> +++ b/arch/powerpc/boot/dts/fsl/qoriq-gpio-0.dtsi
> @@ -33,7 +33,7 @@
> */
>
> gpio0: gpio@130000 {
> - compatible = "fsl,qoriq-gpio";
> + compatible = "fsl,qoriq-gpio-1", "fsl,qoriq-gpio";
> reg = <0x130000 0x1000>;
> interrupts = <55 2 0 0>;
> #gpio-cells = <2>;
> --
> 1.9.1
>
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