Re: [PATCH 1/3] spi/rockchip: add rk3036/rk3228/rk3368 socs for spi document

From: Heiko Stuebner
Date: Thu May 19 2016 - 11:52:15 EST


Am Donnerstag, 19. Mai 2016, 23:47:02 schrieb Caesar Wang:
> We had supported the rk3036/rk3066/rk3188/rk3228/rk3288/rk3368/rk3399
> family SoCs in linux kernel.
>
> Let's add the other SoCs, in order to a better understanding from the
> rockchip spi document.
>
> Signed-off-by: Caesar Wang <wxt@xxxxxxxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Mark Brown <broonie@xxxxxxxxxx>
> Cc: Heiko Stuebner <heiko@xxxxxxxxx>
> Cc: linux-rockchip@xxxxxxxxxxxxxxxxxxx
> ---
>
> Documentation/devicetree/bindings/spi/spi-rockchip.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/spi/spi-rockchip.txt
> b/Documentation/devicetree/bindings/spi/spi-rockchip.txt index
> 1b14d69..305b542 100644
> --- a/Documentation/devicetree/bindings/spi/spi-rockchip.txt
> +++ b/Documentation/devicetree/bindings/spi/spi-rockchip.txt
> @@ -6,9 +6,12 @@ and display controllers using the SPI communication
> interface. Required Properties:
>
> - compatible: should be one of the following.
> + "rockchip,rk3036-spi" for rk3036.

shouldn't the rk3036 also get the rk3066 fallback. Looking at the driver
part (patch2) the rk3036 still is the same IP as for every other soc in
here.

> "rockchip,rk3066-spi" for rk3066.
> "rockchip,rk3188-spi", "rockchip,rk3066-spi" for rk3188.
> + "rockchip,rk3228-spi", "rockchip,rk3066-spi" for rk3228.
> "rockchip,rk3288-spi", "rockchip,rk3066-spi" for rk3288.
> + "rockchip,rk3368-spi", "rockchip,rk3066-spi" for rk3368.
> "rockchip,rk3399-spi", "rockchip,rk3066-spi" for rk3399.
> - reg: physical base address of the controller and length of memory
> mapped region.