ARM: dts: dra7-evm: add evm_3v3_sd regulator

Add a node for evm_3v3_sd using onboard pcf GPIO expander which feeds
on to mmc vdd.

Update mapping for vmmc-supply and vmmc_aux-supply.
evm_3v3_sd supplies to SD card vdd, and ldo1 to sdcard i/o lines.

Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts
index aa465904f6cc420ecad93f006bc5e622d8e70b36..25a02f177fb71f142cb63d984c6fb97155d6ac50 100644 (file)
--- a/arch/arm/boot/dts/dra7-evm.dts
+++ b/arch/arm/boot/dts/dra7-evm.dts
@@ -19,6 +19,15 @@
                reg = <0x80000000 0x60000000>; /* 1536 MB */
        };
 
+       evm_3v3_sd: fixedregulator-sd {
+               compatible = "regulator-fixed";
+               regulator-name = "evm_3v3_sd";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               enable-active-high;
+               gpio = <&pcf_gpio_21 5 GPIO_ACTIVE_HIGH>;
+       };
+
        mmc2_3v3: fixedregulator-mmc2 {
                compatible = "regulator-fixed";
                regulator-name = "mmc2_3v3";
@@ -462,7 +471,8 @@
 
 &mmc1 {
        status = "okay";
-       vmmc-supply = <&ldo1_reg>;
+       vmmc-supply = <&evm_3v3_sd>;
+       vmmc_aux-supply = <&ldo1_reg>;
        bus-width = <4>;
 };