On Tue, Feb 04, 2020 at 07:45:37PM +0530, Harigovindan P wrote:
> Updating bindings of dsi and dpu by adding and removing certain
> properties.

Yes, the diff tells me that. The commit message should say why.

This change breaks compatibility as well.

> 
> Signed-off-by: Harigovindan P <harig...@codeaurora.org>
> ---
> 
> Changes in v1:
>         - Adding "ahb" clock as a required property.
>         - Adding "bus", "rot", "lut" as optional properties for sc7180 device.
>         - Removing properties from dsi bindings that are unused.
>       - Removing power-domain property since DSI is the child node of MDSS
>         and it will inherit supply from its parent.
> 
>  Documentation/devicetree/bindings/display/msm/dpu.txt | 7 +++++++
>  Documentation/devicetree/bindings/display/msm/dsi.txt | 5 -----
>  2 files changed, 7 insertions(+), 5 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/msm/dpu.txt 
> b/Documentation/devicetree/bindings/display/msm/dpu.txt
> index 551ae26..dd58472a 100644
> --- a/Documentation/devicetree/bindings/display/msm/dpu.txt
> +++ b/Documentation/devicetree/bindings/display/msm/dpu.txt
> @@ -19,6 +19,7 @@ Required properties:
>    The following clocks are required:
>    * "iface"
>    * "bus"
> +  * "ahb"

You can't just add new clocks...

>    * "core"
>  - interrupts: interrupt signal from MDSS.
>  - interrupt-controller: identifies the node as an interrupt controller.
> @@ -50,6 +51,8 @@ Required properties:
>  - clock-names: device clock names, must be in same order as clocks property.
>    The following clocks are required.
>    * "bus"
> +  For the device "qcom,sc7180-dpu":
> +  * "bus" - is an optional property due to architecture change.
>    * "iface"
>    * "core"
>    * "vsync"
> @@ -70,6 +73,10 @@ Optional properties:
>  - assigned-clocks: list of clock specifiers for clocks needing rate 
> assignment
>  - assigned-clock-rates: list of clock frequencies sorted in the same order as
>    the assigned-clocks property.
> +- For the device "qcom,sc7180-dpu":
> +  clock-names: optional device clocks, needed for accessing LUT blocks.
> +  * "rot"
> +  * "lut"
>  
>  Example:
>  
> diff --git a/Documentation/devicetree/bindings/display/msm/dsi.txt 
> b/Documentation/devicetree/bindings/display/msm/dsi.txt
> index af95586..61d659a 100644
> --- a/Documentation/devicetree/bindings/display/msm/dsi.txt
> +++ b/Documentation/devicetree/bindings/display/msm/dsi.txt
> @@ -8,13 +8,10 @@ Required properties:
>  - reg-names: The names of register regions. The following regions are 
> required:
>    * "dsi_ctrl"
>  - interrupts: The interrupt signal from the DSI block.
> -- power-domains: Should be <&mmcc MDSS_GDSC>.
>  - clocks: Phandles to device clocks.
>  - clock-names: the following clocks are required:
> -  * "mdp_core"
>    * "iface"
>    * "bus"
> -  * "core_mmss"
>    * "byte"
>    * "pixel"
>    * "core"
> @@ -156,7 +153,6 @@ Example:
>                       "core",
>                       "core_mmss",
>                       "iface",
> -                     "mdp_core",
>                       "pixel";
>               clocks =
>                       <&mmcc MDSS_AXI_CLK>,
> @@ -164,7 +160,6 @@ Example:
>                       <&mmcc MDSS_ESC0_CLK>,
>                       <&mmcc MMSS_MISC_AHB_CLK>,
>                       <&mmcc MDSS_AHB_CLK>,
> -                     <&mmcc MDSS_MDP_CLK>,
>                       <&mmcc MDSS_PCLK0_CLK>;
>  
>               assigned-clocks =
> -- 
> 2.7.4
> 
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