On Fri, Nov 20, 2015 at 05:17:24PM -0700, Joshua Henderson wrote:
> From: Andrei Pistirica <andrei.pistirica@xxxxxxxxxxxxx>
>
> Document the devicetree bindings for the SDHC peripheral found on
> Microchip PIC32 class devices.
>
> Signed-off-by: Andrei Pistirica <andrei.pistirica@xxxxxxxxxxxxx>
> Signed-off-by: Joshua Henderson <joshua.henderson@xxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/mmc/sdhci-pic32.txt | 24 ++++++++++++++++++++
> 1 file changed, 24 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mmc/sdhci-pic32.txt
>
> diff --git a/Documentation/devicetree/bindings/mmc/sdhci-pic32.txt b/Documentation/devicetree/bindings/mmc/sdhci-pic32.txt
> new file mode 100644
> index 0000000..f16388c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mmc/sdhci-pic32.txt
> @@ -0,0 +1,24 @@
> +* Microchip PIC32 SDHCI Controller
> +
> +This file documents differences between the core properties in mmc.txt
> +and the properties used by the sdhci-pic32 driver.
> +
> +Required properties:
> +- compatible: Should be "microchip,pic32-sdhci"
> +- reg: Should contain registers location and length
> +- interrupts: Should contain interrupt
> +- pinctrl: Should contain pinctrl for data and command lines
> +
> +Optional properties:
> +- no-1-8-v: 1.8V voltage selection not supported
There's a standard property for this one.
> +- piomode: disable DMA support
Proably this one too IIRC.
> +
> +Example:
> +
> + sdhci@1f8ec000 {
> + compatible = "microchip,pic32-sdhci";
> + reg = <0x1f8ec000 0x100>;
> + interrupts = <SDHC_EVENT DEFAULT_INT_PRI IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&REFCLKO4>, <&PBCLK5>;
> + clock-names = "base_clk", "sys_clk";
> + };
> --
> 1.7.9.5
>
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