On 8 March 2018 at 02:01, Shawn Guo <shawn.guo@xxxxxxxxxx> wrote:
> From: tianshuliang <tianshuliang@xxxxxxxxxxxxx>
>
> Hisilicon hi3798cv200 SoC extends the dw-mshc controller
> for additional clock control. Add device tree bindings for
> hi3798cv200-dw-mshc.
>
> Signed-off-by: tianshuliang <tianshuliang@xxxxxxxxxxxxx>
> Signed-off-by: Jiancheng Xue <xuejiancheng@xxxxxxxxxxxxx>
> Signed-off-by: Shawn Guo <shawn.guo@xxxxxxxxxx>
> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Thanks, applied for next!
Kind regards
Uffe
> ---
> .../bindings/mmc/hi3798cv200-dw-mshc.txt | 40 ++++++++++++++++++++++
> 1 file changed, 40 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mmc/hi3798cv200-dw-mshc.txt
>
> diff --git a/Documentation/devicetree/bindings/mmc/hi3798cv200-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/hi3798cv200-dw-mshc.txt
> new file mode 100644
> index 000000000000..a0693b7145f2
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mmc/hi3798cv200-dw-mshc.txt
> @@ -0,0 +1,40 @@
> +* Hisilicon Hi3798CV200 specific extensions to the Synopsys Designware Mobile
> + Storage Host Controller
> +
> +Read synopsys-dw-mshc.txt for more details
> +
> +The Synopsys designware mobile storage host controller is used to interface
> +a SoC with storage medium such as eMMC or SD/MMC cards. This file documents
> +differences between the core Synopsys dw mshc controller properties described
> +by synopsys-dw-mshc.txt and the properties used by the Hisilicon Hi3798CV200
> +specific extensions to the Synopsys Designware Mobile Storage Host Controller.
> +
> +Required Properties:
> +- compatible: Should contain "hisilicon,hi3798cv200-dw-mshc".
> +- clocks: A list of phandle + clock-specifier pairs for the clocks listed
> + in clock-names.
> +- clock-names: Should contain the following:
> + "ciu" - The ciu clock described in synopsys-dw-mshc.txt.
> + "biu" - The biu clock described in synopsys-dw-mshc.txt.
> + "ciu-sample" - Hi3798CV200 extended phase clock for ciu sampling.
> + "ciu-drive" - Hi3798CV200 extended phase clock for ciu driving.
> +
> +Example:
> +
> + emmc: mmc@9830000 {
> + compatible = "hisilicon,hi3798cv200-dw-mshc";
> + reg = <0x9830000 0x10000>;
> + interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&crg HISTB_MMC_CIU_CLK>,
> + <&crg HISTB_MMC_BIU_CLK>,
> + <&crg HISTB_MMC_SAMPLE_CLK>,
> + <&crg HISTB_MMC_DRV_CLK>;
> + clock-names = "ciu", "biu", "ciu-sample", "ciu-drive";
> + fifo-depth = <256>;
> + clock-frequency = <200000000>;
> + cap-mmc-highspeed;
> + mmc-ddr-1_8v;
> + mmc-hs200-1_8v;
> + non-removable;
> + bus-width = <8>;
> + };
> --
> 1.9.1
>
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