mmc: sdhci-sirf: add mmc host sdhci-pltfm based driver for SiRF SoCs
[cascardo/linux.git] / Documentation / devicetree / bindings / mmc / sdhci-sirf.txt
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-sirf.txt b/Documentation/devicetree/bindings/mmc/sdhci-sirf.txt
new file mode 100644 (file)
index 0000000..dd6ed46
--- /dev/null
@@ -0,0 +1,18 @@
+* SiRFprimII/marco/atlas6 SDHCI Controller
+
+This file documents differences between the core properties in mmc.txt
+and the properties used by the sdhci-sirf driver.
+
+Required properties:
+- compatible: sirf,prima2-sdhc
+
+Optional properties:
+- cd-gpios: card detect gpio, with zero flags.
+
+Example:
+
+       sd0: sdhci@56000000 {
+               compatible = "sirf,prima2-sdhc";
+               reg = <0xcd000000 0x100000>;
+               cd-gpios = <&gpio 6 0>;
+       };