[RFC PATCH 1/2] MMC: DTS: Add binding for Wondermedia WM8505 SDHC
From: Tony Prisk <hidden>
Date: 2012-10-15 08:24:52
Also in:
linux-mmc
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Ulf Hansson, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Binding documentation for WMT SD/MMC Host Controller found on Wondermedia 8xxx series SoCs. Based on mmc.txt binding with additional properties. Signed-off-by: Tony Prisk <redacted> --- .../devicetree/bindings/mmc/vt8500-sdmmc.txt | 24 ++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/vt8500-sdmmc.txt
diff --git a/Documentation/devicetree/bindings/mmc/vt8500-sdmmc.txt b/Documentation/devicetree/bindings/mmc/vt8500-sdmmc.txt
new file mode 100644
index 0000000..69a817e
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/vt8500-sdmmc.txt@@ -0,0 +1,24 @@ +* Wondermedia WM8505/WM8650 SD/MMC Host Controller + +Required properties: +- compatible: Should be "wm,wm8505-sdhc". +- reg: Memory for sdhc controller. +- interrupts: Two interrupts are required - regular irq and dma irq. +- clocks: pHandle to clock for controller. +- bus-width: <1>,<4> or <8> data lines connected + +Optional properties: +- sdon-inverted: SD_ON bit is inverted on the controller +- cd-inverted: CD bit is inverted on the controller + +Examples: + +sdhc@d800a000 { + compatible = "wm,wm8505-sdhc"; + reg = <0xd800a000 0x1000>; + interrupts = <20 21>; + clocks = <&sdhc>; + bus-width = <4>; + sdon-inverted; +}; +
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1.7.9.5