Special voltages that can be support by eSDHC of T4 in esdhc node.

Signed-off-by: Haijun Zhang <haijun.zh...@freescale.com>
Signed-off-by: Anton Vorontsov <cbouatmai...@gmail.com>
---
 Documentation/devicetree/bindings/mmc/fsl-esdhc.txt | 3 +++
 arch/powerpc/boot/dts/fsl/t4240si-post.dtsi         | 1 +
 2 files changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt 
b/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt
index bd9be0b..4aeae6e 100644
--- a/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt
+++ b/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt
@@ -19,6 +19,8 @@ Optional properties:
     "bus-width = <1>" property.
   - sdhci,auto-cmd12: specifies that a controller can only handle auto
     CMD12.
+  - 3300 3300: specifies that eSDHC controller can support voltages ranges
+    from 3300 to 3300. This is an optional.
 
 Example:
 
@@ -29,4 +31,5 @@ sdhci@2e000 {
        interrupt-parent = <&ipic>;
        /* Filled in by U-Boot */
        clock-frequency = <0>;
+       voltage-ranges = <3300 3300>;
 };
diff --git a/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi 
b/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi
index bd611a9..1ef2d2d 100644
--- a/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi
+++ b/arch/powerpc/boot/dts/fsl/t4240si-post.dtsi
@@ -399,6 +399,7 @@
        sdhc@114000 {
                compatible = "fsl,t4240-esdhc", "fsl,esdhc";
                sdhci,auto-cmd12;
+               voltage-ranges = <1800 1800 3300 3300>;
        };
 /include/ "qoriq-i2c-0.dtsi"
 /include/ "qoriq-i2c-1.dtsi"
-- 
1.8.0


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