| Message ID | 1520470894-9114-2-git-send-email-shawn.guo@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 8 March 2018 at 02:01, Shawn Guo <shawn.guo@linaro.org> wrote: > From: tianshuliang <tianshuliang@hisilicon.com> > > 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@hisilicon.com> > Signed-off-by: Jiancheng Xue <xuejiancheng@hisilicon.com> > Signed-off-by: Shawn Guo <shawn.guo@linaro.org> > Reviewed-by: Rob Herring <robh@kernel.org> 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 > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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>; + };