summaryrefslogtreecommitdiffstats
path: root/kernel/Documentation/devicetree/bindings/mmc/fsl-imx-mmc.txt
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/Documentation/devicetree/bindings/mmc/fsl-imx-mmc.txt')
-rw-r--r--kernel/Documentation/devicetree/bindings/mmc/fsl-imx-mmc.txt24
1 files changed, 24 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/mmc/fsl-imx-mmc.txt b/kernel/Documentation/devicetree/bindings/mmc/fsl-imx-mmc.txt
new file mode 100644
index 000000000..db442355c
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/mmc/fsl-imx-mmc.txt
@@ -0,0 +1,24 @@
+* Freescale Secure Digital Host Controller for i.MX2/3 series
+
+This file documents differences to the properties defined in mmc.txt.
+
+Required properties:
+- compatible : Should be "fsl,<chip>-mmc", chip can be imx21 or imx31
+
+Optional properties:
+- dmas: One DMA phandle with arguments as defined by the devicetree bindings
+ of the used DMA controller.
+- dma-names: Has to be "rx-tx".
+
+Example:
+
+sdhci1: sdhci@10014000 {
+ compatible = "fsl,imx27-mmc", "fsl,imx21-mmc";
+ reg = <0x10014000 0x1000>;
+ interrupts = <11>;
+ dmas = <&dma 7>;
+ dma-names = "rx-tx";
+ bus-width = <4>;
+ cd-gpios = <&gpio3 29>;
+ status = "okay";
+};