Re: [PATCH 5/8] ARM: dts: imx7s: Mark 'gpr' compatible with i.MX6 variant

[Dong Aisheng]

On Thu, Apr 13, 2017 at 06:32:39AM -0700, Andrey Smirnov wrote:
> List GPR block as compatible "fsl,imx6q-iomuxc-gpr" to support drivers
> requesting it that way (PCIe driver is one example).
> 
> Cc: yurovsky@xxxxxxxxx
> Cc: Sascha Hauer <kernel@xxxxxxxxxxxxxx>
> Cc: Fabio Estevam <fabio.estevam@xxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: Russell King <linux@xxxxxxxxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
> ---
>  arch/arm/boot/dts/imx7s.dtsi | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi
> index 1a7058f..cc23478 100644
> --- a/arch/arm/boot/dts/imx7s.dtsi
> +++ b/arch/arm/boot/dts/imx7s.dtsi
> @@ -491,7 +491,8 @@
>  			};
>  
>  			gpr: iomuxc-gpr@30340000 {
> -				compatible = "fsl,imx7d-iomuxc-gpr", "syscon";
> +				compatible = "fsl,imx7d-iomuxc-gpr",
> +					"fsl,imx6q-iomuxc-gpr", "syscon";

This looks wrong to me.
mx7d-iomux-gpr gets a big difference from mx6q-iomux-gpr and mostly
not compatible.

Regards
Dong Aisheng