[PATCH v6 2/2] Documentation: DT: MMC: meson-gx: new bindings doc

Ulf Hansson ulf.hansson at linaro.org
Thu Oct 27 00:47:12 PDT 2016


On 19 October 2016 at 20:18, Kevin Hilman <khilman at baylibre.com> wrote:
> Signed-off-by: Kevin Hilman <khilman at baylibre.com>

Thanks, applied for next!

Kind regards
Uffe

> ---
>  .../devicetree/bindings/mmc/amlogic,meson-gx.txt   | 33 ++++++++++++++++++++++
>  1 file changed, 33 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mmc/amlogic,meson-gx.txt
>
> diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-gx.txt b/Documentation/devicetree/bindings/mmc/amlogic,meson-gx.txt
> new file mode 100644
> index 000000000000..a2fa9a1c26ae
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mmc/amlogic,meson-gx.txt
> @@ -0,0 +1,33 @@
> +Amlogic SD / eMMC controller for S905/GXBB family SoCs
> +
> +The MMC 5.1 compliant host controller on Amlogic provides the
> +interface for SD, eMMC and SDIO devices.
> +
> +This file documents the properties in addition to those available in
> +the MMC core bindings, documented by mmc.txt.
> +
> +Required properties:
> +- compatible : contains one of:
> +  - "amlogic,meson-gx-mmc"
> +  - "amlogic,meson-gxbb-mmc"
> +  - "amlogic,meson-gxl-mmc"
> +  - "amlogic,meson-gxm-mmc"
> +- clocks     : A list of phandle + clock-specifier pairs for the clocks listed in clock-names.
> +- clock-names: Should contain the following:
> +       "core" - Main peripheral bus clock
> +       "clkin0" - Parent clock of internal mux
> +       "clkin1" - Other parent clock of internal mux
> +  The driver has an interal mux clock which switches between clkin0 and clkin1 depending on the
> +  clock rate requested by the MMC core.
> +
> +Example:
> +
> +       sd_emmc_a: mmc at 70000 {
> +               compatible = "amlogic,meson-gxbb-mmc";
> +               reg = <0x0 0x70000 0x0 0x2000>;
> +                interrupts = < GIC_SPI 216 IRQ_TYPE_EDGE_RISING>;
> +               clocks = <&clkc CLKID_SD_EMMC_A>, <&xtal>, <&clkc CLKID_FCLK_DIV2>;
> +               clock-names = "core", "clkin0", "clkin1";
> +               pinctrl-0 = <&emmc_pins>;
> +       };
> +
> --
> 2.9.3
>



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