The change adds fixed voltage regulator for SD controller, ARM MMCI
controller driver uses it to control card power management.
Signed-off-by: Vladimir Zapolskiy <vz@xxxxxxxxx>
---
arch/arm/boot/dts/phy3250.dts | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/arm/boot/dts/phy3250.dts b/arch/arm/boot/dts/phy3250.dts
index 34e15fd..5465b9e 100644
--- a/arch/arm/boot/dts/phy3250.dts
+++ b/arch/arm/boot/dts/phy3250.dts
@@ -45,6 +45,15 @@
enable-active-high;
regulator-boot-on;
};
+
+ sd_reg: fixed-regulator@2 {
+ compatible = "regulator-fixed";
+ regulator-name = "sd_reg";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ gpio = <&gpio 5 5 0>;
+ enable-active-high;
+ };
};
ahb {
@@ -162,6 +171,7 @@
cd-gpios = <&gpio 3 1 0>;
cd-inverted;
bus-width = <4>;
+ vqmmc-supply = <&sd_reg>;
status = "okay";
};
};
--
2.1.4
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