Special voltages that can be support by eSDHC of T4 in esdhc node.
Signed-off-by: Haijun Zhang <haijun.zhang@xxxxxxxxxxxxx>
Signed-off-by: Anton Vorontsov <cbouatmailru@xxxxxxxxx>
---
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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