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    SubjectRe: [PATCH 12/14] DEVICETREE: Add bindings for PIC32 SDHC host controller
    On Fri, Nov 20, 2015 at 05:17:24PM -0700, Joshua Henderson wrote:
    > From: Andrei Pistirica <andrei.pistirica@microchip.com>
    >
    > Document the devicetree bindings for the SDHC peripheral found on
    > Microchip PIC32 class devices.
    >
    > Signed-off-by: Andrei Pistirica <andrei.pistirica@microchip.com>
    > Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com>
    > ---
    > .../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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