Messages in this thread | | | Date | Sun, 22 Nov 2015 15:57:37 -0600 | From | Rob Herring <> | Subject | Re: [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 >
| |