mmc: dt: add compatible into eSDHC required properties

This patch is to add compatible into eSDHC required properties.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt b/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt
index dedfb02..a2cf5e1 100644 (file)
--- a/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt
+++ b/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt
@@ -7,6 +7,20 @@ This file documents differences between the core properties described
 by mmc.txt and the properties used by the sdhci-esdhc driver.
 
 Required properties:
+  - compatible : should be "fsl,esdhc", or "fsl,<chip>-esdhc".
+    Possible compatibles for PowerPC:
+       "fsl,mpc8536-esdhc"
+       "fsl,mpc8378-esdhc"
+       "fsl,p2020-esdhc"
+       "fsl,p4080-esdhc"
+       "fsl,t1040-esdhc"
+       "fsl,t4240-esdhc"
+    Possible compatibles for ARM:
+       "fsl,ls1012a-esdhc"
+       "fsl,ls1088a-esdhc"
+       "fsl,ls1043a-esdhc"
+       "fsl,ls1046a-esdhc"
+       "fsl,ls2080a-esdhc"
   - interrupt-parent : interrupt source phandle.
   - clock-frequency : specifies eSDHC base clock frequency.