[PATCH v2 2/6] dt-bindings: mediatek: Add smi dts binding

Yong Wu yong.wu at mediatek.com
Fri May 15 03:02:17 PDT 2015


On Fri, 2015-05-15 at 17:43 +0800, Yong Wu wrote:
> This patch add smi binding document.
> 
> Signed-off-by: Yong Wu <yong.wu at mediatek.com>
> ---
>  .../bindings/soc/mediatek/mediatek,smi-larb.txt    | 24 ++++++++++++++++++++++
>  .../bindings/soc/mediatek/mediatek,smi.txt         | 22 ++++++++++++++++++++
>  2 files changed, 46 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mediatek,smi-larb.txt
>  create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mediatek,smi.txt
> 
> diff --git a/Documentation/devicetree/bindings/soc/mediatek/mediatek,smi-larb.txt b/Documentation/devicetree/bindings/soc/mediatek/mediatek,smi-larb.txt
> new file mode 100644
> index 0000000..c06c5b6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,smi-larb.txt
> @@ -0,0 +1,24 @@
> +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 each local arbiter.
> +- smi : must be "&smi_common". Refer to bindings/soc/mediatek,smi.txt.
> +- clocks : must contain one entry for each clock-names.
> +	There are 2 clockes:
> +	APB clock : Advanced Peripheral Bus clock, It's the clock for setting
> +		the register.
> +	SMI clock : It's the clock for transfer data and command.
> +- clock-name: must be "apb" and "smi".
Sorry, Here should be clock-names. I will fix the next version.
> +
> +Example:
> +	larb0:larb at 14021000 {
> +		compatible = "mediatek,mt8173-smi-larb";
> +		reg = <0 0x14021000 0 0x1000>;
> +		smi = <&smi_common>;
> +		clocks = <&mmsys MM_SMI_LARB0>,
> +			 <&mmsys MM_SMI_LARB0>;
> +		clock-names = "apb", "smi";
> +	};
> diff --git a/Documentation/devicetree/bindings/soc/mediatek/mediatek,smi.txt b/Documentation/devicetree/bindings/soc/mediatek/mediatek,smi.txt
> new file mode 100644
> index 0000000..c2389b4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,smi.txt
> @@ -0,0 +1,22 @@
> +SMI(Smart Multimedia Interface)
> +
> +The hardware block diagram please check bindings/iommu/mediatek,iommu.txt
> +
> +Required properties:
> +- compatible : must be "mediatek,mt8173-smi"
> +- reg : the register and size of the smi.
> +- clocks : must contain one entry for each clock-names.
> +	There are 2 clockes:
> +	APB clock : Advanced Peripheral Bus clock, It's the clock for setting
> +		the register.
> +	SMI clock : It's the clock for transfer data and command.
> +- clock-name: must be "apb" and "smi".
the same. should be clock-names.
> +
> +Example:
> +	smi_common:smi at 14022000 {
> +		compatible = "mediatek,mt8173-smi";
> +		reg = <0 0x14022000 0 0x1000>;
> +		clocks = <&mmsys MM_SMI_COMMON>,
> +			 <&mmsys MM_SMI_COMMON>;
> +		clock-names = "apb", "smi";
> +	};





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