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ARM: dts: dra7xx-evm: add evm_3v3_sd regulator

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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>
This commit is contained in:
Vignesh R 2016-08-10 15:17:20 +05:30 committed by Tom Rini
parent eba3fbd6a1
commit 257bdb3f66
2 changed files with 22 additions and 2 deletions
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12
arch/arm/dts/dra7-evm.dts
View File

@ -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

12
arch/arm/dts/dra72-evm.dts
View File

@ -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