Re: [PATCH v6 2/5] dt-bindings: mediatek: Add smi dts binding

[Rob Herring]

On Tue, Dec 08, 2015 at 05:49:10PM +0800, Yong Wu wrote:
> This patch add smi binding document.
> 
> Signed-off-by: Yong Wu <yong.wu@xxxxxxxxxxxx>

Acked-by: Rob Herring <robh@xxxxxxxxxx>

> ---
>  .../memory-controllers/mediatek,smi-common.txt     | 24 +++++++++++++++++++++
>  .../memory-controllers/mediatek,smi-larb.txt       | 25 ++++++++++++++++++++++
>  2 files changed, 49 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt
>  create mode 100644 Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
> 
> diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt
> new file mode 100644
> index 0000000..06a83ce
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt
> @@ -0,0 +1,24 @@
> +SMI (Smart Multimedia Interface) Common
> +
> +The hardware block diagram please check bindings/iommu/mediatek,iommu.txt
> +
> +Required properties:
> +- compatible : must be "mediatek,mt8173-smi-common"
> +- reg : the register and size of the SMI block.
> +- power-domains : a phandle to the power domain of this local arbiter.
> +- clocks : Must contain an entry for each entry in clock-names.
> +- clock-names : must contain 2 entries, as follows:
> +  - "apb" : Advanced Peripheral Bus clock, It's the clock for setting
> +	    the register.
> +  - "smi" : It's the clock for transfer data and command.
> +  They may be the same if both source clocks are the same.
> +
> +Example:
> +	smi_common: smi@14022000 {
> +		compatible = "mediatek,mt8173-smi-common";
> +		reg = <0 0x14022000 0 0x1000>;
> +		power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> +		clocks = <&mmsys CLK_MM_SMI_COMMON>,
> +			 <&mmsys CLK_MM_SMI_COMMON>;
> +		clock-names = "apb", "smi";
> +	};
> diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
> new file mode 100644
> index 0000000..55ff3b7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
> @@ -0,0 +1,25 @@
> +SMI (Smart Multimedia Interface) Local Arbiter
> +
> +The hardware block diagram please check bindings/iommu/mediatek,iommu.txt
> +
> +Required properties:
> +- compatible : must be "mediatek,mt8173-smi-larb"
> +- reg : the register and size of this local arbiter.
> +- mediatek,smi : a phandle to the smi_common node.
> +- power-domains : a phandle to the power domain of this local arbiter.
> +- clocks : Must contain an entry for each entry in clock-names.
> +- clock-names: must contain 2 entries, as follows:
> +  - "apb" : Advanced Peripheral Bus clock, It's the clock for setting
> +	    the register.
> +  - "smi" : It's the clock for transfer data and command.
> +
> +Example:
> +	larb1: larb@16010000 {
> +		compatible = "mediatek,mt8173-smi-larb";
> +		reg = <0 0x16010000 0 0x1000>;
> +		mediatek,smi = <&smi_common>;
> +		power-domains = <&scpsys MT8173_POWER_DOMAIN_VDEC>;
> +		clocks = <&vdecsys CLK_VDEC_CKEN>,
> +			 <&vdecsys CLK_VDEC_LARB_CKEN>;
> +		clock-names = "apb", "smi";
> +	};
> -- 
> 1.8.1.1.dirty
> 
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