linux-kernel - Re: [PATCH 5/5] dt-bindings: Document the Rockchip RGA bindings

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Date:   Sat, 15 Jul 2017 12:38:11 +0800
From:   Jacob Chen <jacobchen110@...il.com>
To:     Rob Herring <robh@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        Heiko Stuebner <heiko@...ech.de>,
        Yakir Yang <ykk@...k-chips.com>
Subject: Re: [PATCH 5/5] dt-bindings: Document the Rockchip RGA bindings

Hi rob,

2017-06-29 6:29 GMT+08:00 Rob Herring <robh@...nel.org>:
> On Mon, Jun 26, 2017 at 10:53:22PM +0800, Jacob Chen wrote:
>> Add DT bindings documentation for Rockchip RGA
>>
>> Signed-off-by: Yakir Yang <ykk@...k-chips.com>
>> Signed-off-by: Jacob Chen <jacob-chen@...wrt.com>
>> ---
>>  .../devicetree/bindings/media/rockchip-rga.txt     | 36 ++++++++++++++++++++++
>
> Should be under bindings/gpu/
>
>>  1 file changed, 36 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/media/rockchip-rga.txt
>>
>> diff --git a/Documentation/devicetree/bindings/media/rockchip-rga.txt b/Documentation/devicetree/bindings/media/rockchip-rga.txt
>> new file mode 100644
>> index 0000000..48a260e5
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/media/rockchip-rga.txt
>> @@ -0,0 +1,36 @@
>> +device-tree bindings for rockchip 2D raster graphic acceleration controller (RGA)
>> +
>> +RGA is a separate 2D raster graphic acceleration unit. It accelerates 2D
>> +graphics operations, such as point/line drawing, image scaling, rotation,
>> +BitBLT, alpha blending and image blur/sharpness.
>> +
>> +Required properties:
>> +- compatible: value should be one of the following
>> +             "rockchip,rk3228-rga";
>> +             "rockchip,rk3288-rga";
>> +             "rockchip,rk3399-rga";
>> +
>> +- interrupts: RGA interrupt number.
>> +
>> +- clocks: phandle to RGA sclk/hclk/aclk clocks
>> +
>> +- clock-names: should be "aclk" "hclk" and "sclk"
>> +
>> +- resets: Must contain an entry for each entry in reset-names.
>> +  See ../reset/reset.txt for details.
>> +- reset-names: should be "core" "axi" and "ahb"
>> +
>> +Example:
>> +SoC specific DT entry:
>> +     rga: rga@...80000 {
>
> gpu@...
>

It's used for v4l2 drvier, should i move it bindings/gpu/?

>> +             compatible = "rockchip,rk3399-rga";
>> +             reg = <0xff680000 0x10000>;
>> +             interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
>> +             interrupt-names = "rga";
>> +             clocks = <&cru ACLK_RGA>, <&cru HCLK_RGA>, <&cru SCLK_RGA_CORE>;
>> +             clock-names = "aclk", "hclk", "sclk";
>> +
>> +             resets = <&cru SRST_RGA_CORE>, <&cru SRST_A_RGA>, <&cru SRST_H_RGA>;
>> +             reset-names = "core, "axi", "ahb";
>> +             status = "disabled";
>
> Don't show status in examples.
>
>> +     };
>> --
>> 2.7.4
>>
>> --
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