[PATCH v2 2/4] dt-bindings: ARM: Mediatek: Document devicetree bindings for clock controllers

Daniel Kurtz djkurtz at chromium.org
Wed Jul 1 06:47:11 PDT 2015


On Tue, Jun 30, 2015 at 10:58 AM, James Liao <jamesjj.liao at mediatek.com> wrote:
>
> This adds the binding documentation for the mmsys, imgsys, vdecsys,
> vencsys and vencltsys controllers found on Mediatek SoCs.
>
> Signed-off-by: James Liao <jamesjj.liao at mediatek.com>
> ---
>  .../bindings/arm/mediatek/mediatek,imgsys.txt      | 22 ++++++++++++++++++++++
>  .../bindings/arm/mediatek/mediatek,mmsys.txt       | 22 ++++++++++++++++++++++
>  .../bindings/arm/mediatek/mediatek,vdecsys.txt     | 22 ++++++++++++++++++++++
>  .../bindings/arm/mediatek/mediatek,vencltsys.txt   | 22 ++++++++++++++++++++++
>  .../bindings/arm/mediatek/mediatek,vencsys.txt     | 22 ++++++++++++++++++++++
>  5 files changed, 110 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,imgsys.txt
>  create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.txt
>  create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,vdecsys.txt
>  create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,vencltsys.txt
>  create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,vencsys.txt
>
> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,imgsys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,imgsys.txt
> new file mode 100644
> index 0000000..7612bac
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,imgsys.txt
> @@ -0,0 +1,22 @@
> +Mediatek imgsys controller
> +============================
> +
> +The Mediatek imgsys controller provides various clocks to the system.
> +
> +Required Properties:
> +
> +- compatible: Should be:
> +       - "mediatek,mt8173-imgsys", "syscon"
> +- #clock-cells: Must be 1
> +
> +The imgsys controller uses the common clk binding from
> +Documentation/devicetree/bindings/clock/clock-bindings.txt
> +The available clocks are defined in dt-bindings/clock/mt*-clk.h.
> +
> +Example:
> +
> +imgsys: imgsys at 15000000 {

Since these nodes will be supplying clocks to the rest of the system,
I think the "name" part of each of these should all be
"clock-controller", like topckgen and apmixedsys:

  imgsys: clock-controller at 15000000 {

-Dan

>
> +       compatible = "mediatek,mt8173-imgsys", "syscon";
> +       reg = <0 0x15000000 0 0x1000>;
> +       #clock-cells = <1>;
> +};
> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.txt
> new file mode 100644
> index 0000000..b51e417
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.txt
> @@ -0,0 +1,22 @@
> +Mediatek mmsys controller
> +============================
> +
> +The Mediatek mmsys controller provides various clocks to the system.
> +
> +Required Properties:
> +
> +- compatible: Should be:
> +       - "mediatek,mt8173-mmsys", "syscon"
> +- #clock-cells: Must be 1
> +
> +The mmsys controller uses the common clk binding from
> +Documentation/devicetree/bindings/clock/clock-bindings.txt
> +The available clocks are defined in dt-bindings/clock/mt*-clk.h.
> +
> +Example:
> +
> +mmsys: mmsys at 14000000 {
> +       compatible = "mediatek,mt8173-mmsys", "syscon";
> +       reg = <0 0x14000000 0 0x1000>;
> +       #clock-cells = <1>;
> +};
> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,vdecsys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,vdecsys.txt
> new file mode 100644
> index 0000000..a5b94a7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,vdecsys.txt
> @@ -0,0 +1,22 @@
> +Mediatek vdecsys controller
> +============================
> +
> +The Mediatek vdecsys controller provides various clocks to the system.
> +
> +Required Properties:
> +
> +- compatible: Should be:
> +       - "mediatek,mt8173-vdecsys", "syscon"
> +- #clock-cells: Must be 1
> +
> +The vdecsys controller uses the common clk binding from
> +Documentation/devicetree/bindings/clock/clock-bindings.txt
> +The available clocks are defined in dt-bindings/clock/mt*-clk.h.
> +
> +Example:
> +
> +vdecsys: vdecsys at 16000000 {
> +       compatible = "mediatek,mt8173-vdecsys", "syscon";
> +       reg = <0 0x16000000 0 0x1000>;
> +       #clock-cells = <1>;
> +};
> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,vencltsys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,vencltsys.txt
> new file mode 100644
> index 0000000..3d4e8d8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,vencltsys.txt
> @@ -0,0 +1,22 @@
> +Mediatek vencltsys controller
> +============================
> +
> +The Mediatek vencltsys controller provides various clocks to the system.
> +
> +Required Properties:
> +
> +- compatible: Should be:
> +       - "mediatek,mt8173-vencltsys", "syscon"
> +- #clock-cells: Must be 1
> +
> +The vencltsys controller uses the common clk binding from
> +Documentation/devicetree/bindings/clock/clock-bindings.txt
> +The available clocks are defined in dt-bindings/clock/mt*-clk.h.
> +
> +Example:
> +
> +vencltsys: vencltsys at 19000000 {
> +       compatible = "mediatek,mt8173-vencltsys", "syscon";
> +       reg = <0 0x19000000 0 0x1000>;
> +       #clock-cells = <1>;
> +};
> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,vencsys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,vencsys.txt
> new file mode 100644
> index 0000000..e5b72f5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,vencsys.txt
> @@ -0,0 +1,22 @@
> +Mediatek vencsys controller
> +============================
> +
> +The Mediatek vencsys controller provides various clocks to the system.
> +
> +Required Properties:
> +
> +- compatible: Should be:
> +       - "mediatek,mt8173-vencsys", "syscon"
> +- #clock-cells: Must be 1
> +
> +The vencsys controller uses the common clk binding from
> +Documentation/devicetree/bindings/clock/clock-bindings.txt
> +The available clocks are defined in dt-bindings/clock/mt*-clk.h.
> +
> +Example:
> +
> +vencsys: vencsys at 18000000 {
> +       compatible = "mediatek,mt8173-vencsys", "syscon";
> +       reg = <0 0x18000000 0 0x1000>;
> +       #clock-cells = <1>;
> +};
> --
> 1.8.1.1.dirty
>



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