ARM: dts: dra7xx-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: Vignesh R <vigneshr@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

diff --git a/arch/arm/dts/dra7-evm.dts b/arch/arm/dts/dra7-evm.dts
index 06b7b36..fe755c0 100644 (file)
--- a/arch/arm/dts/dra7-evm.dts
+++ b/arch/arm/dts/dra7-evm.dts
@@ -24,6 +24,15 @@
                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";
@@ -468,7 +477,8 @@
 
 &mmc1 {
        status = "okay";
-       vmmc-supply = <&ldo1_reg>;
+       vmmc-supply = <&evm_3v3_sd>;
+       vmmc_aux-supply = <&ldo1_reg>;
        bus-width = <4>;
        /*
         * SDCD signal is not being used here - using the fact that GPIO mode

diff --git a/arch/arm/dts/dra72-evm.dts b/arch/arm/dts/dra72-evm.dts
index e78ec2e..4ca37fa 100644 (file)
--- a/arch/arm/dts/dra72-evm.dts
+++ b/arch/arm/dts/dra72-evm.dts
@@ -35,6 +35,15 @@
                regulator-max-microvolt = <3300000>;
        };
 
+       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>;
+       };
+
        extcon_usb1: extcon_usb1 {
                compatible = "linux,extcon-usb-gpio";
                id-gpio = <&pcf_gpio_21 1 GPIO_ACTIVE_HIGH>;
@@ -499,7 +508,8 @@
        pinctrl-names = "default";
        pinctrl-0 = <&mmc1_pins_default>;
 
-       vmmc-supply = <&ldo1_reg>;
+       vmmc_aux-supply = <&ldo1_reg>;
+       vmmc-supply = <&evm_3v3_sd>;
        bus-width = <4>;
        /*
         * SDCD signal is not being used here - using the fact that GPIO mode