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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>
This commit is contained in:
Balaji T K 2015-07-30 13:43:35 +05:30 committed by Tony Lindgren
parent a238707d98
commit 4b93521587
1 changed files with 11 additions and 1 deletions
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12
arch/arm/boot/dts/dra7-evm.dts
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@ -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>;
};