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 <vigne...@ti.com>
---
arch/arm/dts/dra7-evm.dts | 12 +++++++++++-
arch/arm/dts/dra72-evm.dts | 12 +++++++++++-
2 files changed, 22 insertions(+), 2 deletions(-)
diff --git a/arch/arm/dts/dra7-evm.dts b/arch/arm/dts/dra7-evm.dts
index 06b7b367e4d5..fe755c05841d 100644
--- 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 e78ec2e1859f..4ca37faa093c 100644
--- 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
--
2.9.2
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