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...@mediatek.com>
Acked-by: Rob Herring <r...@kernel.org>
> ---
> .../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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