Re: [PATCH 12/14] DEVICETREE: Add bindings for PIC32 SDHC host controller
From: Rob Herring <robh@kernel.org>
Date: 2015-11-22 21:57:44
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On Fri, Nov 20, 2015 at 05:17:24PM -0700, Joshua Henderson wrote:
quoted hunk ↗ jump to hunk
From: Andrei Pistirica <redacted> Document the devicetree bindings for the SDHC peripheral found on Microchip PIC32 class devices. Signed-off-by: Andrei Pistirica <redacted> Signed-off-by: Joshua Henderson <redacted> --- .../devicetree/bindings/mmc/sdhci-pic32.txt | 24 ++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/sdhci-pic32.txtdiff --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