On Thu, May 30, 2019 at 06:22:11PM +0900, Takao Orito wrote:
> Add the device-tree binding documentation for Milbeaut SDHCI driver.
>
> Signed-off-by: Takao Orito <orito.takao@xxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/mmc/sdhci-milbeaut.txt | 32 ++++++++++++++++++++++
> 1 file changed, 32 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mmc/sdhci-milbeaut.txt
>
> diff --git a/Documentation/devicetree/bindings/mmc/sdhci-milbeaut.txt b/Documentation/devicetree/bindings/mmc/sdhci-milbeaut.txt
> new file mode 100644
> index 0000000..6063116
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mmc/sdhci-milbeaut.txt
> @@ -0,0 +1,32 @@
> +* SOCIONEXT Milbeaut SDHCI controller
> +
> +This file documents differences between the core properties in mmc.txt
> +and the properties used by the sdhci_milbeaut driver.
> +
> +Required properties:
> +- compatible: "socionext,milbeaut-m10v-sdhci-3.0"
> +- clocks: Must contain an entry for each entry in clock-names. It is a
> + list of phandles and clock-specifier pairs.
> + See ../clocks/clock-bindings.txt for details.
> +- clock-names: Should contain the following two entries:
> + "iface" - clock used for sdhci interface
> + "core" - core clock for sdhci controller
> +- vmmc-supply: a phandle of a fixed GPIO regulator
Being a fixed GPIO regulator is board specific and outside the scope of
the binding. Otherwise,
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> +
> +Optional properties:
> +- fujitsu,cmd-dat-delay-select: boolean property indicating that this host
> + requires the CMD_DAT_DELAY control to be enabled.
> +
> +Example:
> + sdhci3: mmc@1b010000 {
> + compatible = "socionext,milbeaut-m10v-sdhci-3.0";
> + reg = <0x1b010000 0x10000>;
> + interrupts = <0 265 0x4>;
> + voltage-ranges = <3300 3300>;
> + bus-width = <4>;
> + clocks = <&clk 7>, <&ahb_clk>;
> + clock-names = "core", "iface";
> + cap-sdio-irq;
> + vmmc-supply = <&vcc_sdhci3>;
> + fujitsu,cmd-dat-delay-select;
> + };
> --
> 1.9.1
>
>
