On Thu, Jan 07, 2016 at 05:05:11PM +0800, Yakir Yang wrote:
> Signed-off-by: Yakir Yang <ykk at rock-chips.com>
> ---
> Changes in v2: None
> 
>  .../devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt         | 4 
> +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git 
> a/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt 
> b/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt
> index 668091f..1cdc627 100644
> --- a/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt
> +++ b/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt
> @@ -2,7 +2,7 @@ Rockchip specific extensions to the Synopsys Designware HDMI
>  ================================
>  
>  Required properties:
> -- compatible: "rockchip,rk3288-dw-hdmi";
> +- compatible: "rockchip,rk3288-dw-hdmi", "rockchip,rk3229-dw-hdmi";
>  - reg: Physical base address and length of the controller's registers.
>  - clocks: phandle to hdmi iahb and isfr clocks.
>  - clock-names: should be "iahb" "isfr"
> @@ -15,8 +15,10 @@ Required properties:
>    rk3288 platform
>  
>  Optional properties
> +- reg: Physical base address and length of the external HDMI PHY's registers.

This is already required...

>  - ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing
>  - clocks, clock-names: phandle to the HDMI CEC clock, name should be "cec"
> +                    phandle to the external HDMI PHY clock, name should be 
> "extphy"

Does this change apply to rk3288 or just rk3229? If the latter, you 
should make that clear. The driver needs to allow for old dtb's that 
only have 1 clock.

Based on Philipp's feedback, you also need to add a phys property.

Rob

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