Re: [PATCH] dt-bindings: can: rcar_can: Add r8a774a1 support

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On Fri, Aug 17, 2018 at 03:38:23PM +0100, Fabrizio Castro wrote:
> Document RZ/G2M (r8a774a1) SoC bindings.
> 
> Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
> Reviewed-by: Biju Das <biju.das@xxxxxxxxxxxxxx>

Reviewed-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>

> ---
> This patch applies on top of next-20180817
> 
>  Documentation/devicetree/bindings/net/can/rcar_can.txt | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/net/can/rcar_can.txt b/Documentation/devicetree/bindings/net/can/rcar_can.txt
> index 94a7f33..84afc78 100644
> --- a/Documentation/devicetree/bindings/net/can/rcar_can.txt
> +++ b/Documentation/devicetree/bindings/net/can/rcar_can.txt
> @@ -4,6 +4,7 @@ Renesas R-Car CAN controller Device Tree Bindings
>  Required properties:
>  - compatible: "renesas,can-r8a7743" if CAN controller is a part of R8A7743 SoC.
>  	      "renesas,can-r8a7745" if CAN controller is a part of R8A7745 SoC.
> +	      "renesas,can-r8a774a1" if CAN controller is a part of R8A774A1 SoC.
>  	      "renesas,can-r8a7778" if CAN controller is a part of R8A7778 SoC.
>  	      "renesas,can-r8a7779" if CAN controller is a part of R8A7779 SoC.
>  	      "renesas,can-r8a7790" if CAN controller is a part of R8A7790 SoC.
> @@ -16,7 +17,8 @@ Required properties:
>  	      "renesas,rcar-gen1-can" for a generic R-Car Gen1 compatible device.
>  	      "renesas,rcar-gen2-can" for a generic R-Car Gen2 or RZ/G1
>  	      compatible device.
> -	      "renesas,rcar-gen3-can" for a generic R-Car Gen3 compatible device.
> +	      "renesas,rcar-gen3-can" for a generic R-Car Gen3 or RZ/G2
> +	      compatible device.
>  	      When compatible with the generic version, nodes must list the
>  	      SoC-specific version corresponding to the platform first
>  	      followed by the generic version.
> @@ -24,7 +26,9 @@ Required properties:
>  - reg: physical base address and size of the R-Car CAN register map.
>  - interrupts: interrupt specifier for the sole interrupt.
>  - clocks: phandles and clock specifiers for 3 CAN clock inputs.
> -- clock-names: 3 clock input name strings: "clkp1", "clkp2", "can_clk".
> +- clock-names: 2 clock input name strings for RZ/G2: "clkp1", "can_clk", and

Minor comment: Personally I would start a new sentence at "and".

Question: Is a driver update required so support 2-clock SoCs?

> +	       3 clock input name strings for every other SoC: "clkp1", "clkp2",
> +	       "can_clk".
>  - pinctrl-0: pin control group to be used for this controller.
>  - pinctrl-names: must be "default".
>  
> -- 
> 2.7.4
> 



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