[PATCH 1/1] arm64: dts: r8a7795: add IMR-LX4 support

[Sergei Shtylyov]

On 2/15/2017 12:02 AM, Sergei Shtylyov wrote:

> Describe the IMR-LX4 devices in the R8A7795 device tree.
>
> Based on the original (and large) patch by Konstantin Kozhevnikov
> <Konstantin.Kozhevnikov at cogentembedded.com>.
>
> Signed-off-by: Konstantin Kozhevnikov <Konstantin.Kozhevnikov at cogentembedded.com>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov at cogentembedded.com>
>
> ---
> This patch is against the 'renesas-devel-20170213-v4.10-rc8' tag of Simon
> Horman's 'renesas.git' repo.

    The binding was documented in the IMR driver patch. I don't expect it to 
change even if the driver would be rewritten for DRM.

[...]
> Index: renesas/arch/arm64/boot/dts/renesas/r8a7795.dtsi
> ===================================================================
> --- renesas.orig/arch/arm64/boot/dts/renesas/r8a7795.dtsi
> +++ renesas/arch/arm64/boot/dts/renesas/r8a7795.dtsi
> @@ -1419,6 +1419,38 @@
>  			status = "disabled";
>  		};
>
> +		imr-lx4 at fe860000 {
> +			compatible = "renesas,imr-lx4";

    The manual seems to suggest that IMR-LX4 devicec are different between 
7795 and 7796 SoCs, so we may need SoC specific compatibility. I'll look into 
this...

MBR, Sergei