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ARM: ux500: Add support for ab8500 regulators into the Device Tree 

Here we supply the information required to setup regulators successfully
on Snowball and other db8500 variants which use the ab8500 regulators.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
hifive-unleashed-5.1
Lee Jones 2012-05-29 14:29:53 +08:00 committed by Arnd Bergmann
parent bc36748153
commit 4a85c7fa52
2 changed files with 70 additions and 0 deletions
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68
arch/arm/boot/dts/db8500.dtsi
View File

@ -308,6 +308,74 @@
compatible = "stericsson,ab8500";
reg = <5>; /* mailbox 5 is i2c */
interrupts = <0 40 0x4>;
ab8500-regulators {
compatible = "stericsson,ab8500-regulator";
// supplies to the display/camera
ab8500_ldo_aux1_reg: ab8500_ldo_aux1 {
regulator-name = "V-DISPLAY";
regulator-min-microvolt = <2500000>;
regulator-max-microvolt = <2900000>;
regulator-boot-on;
/* BUG: If turned off MMC will be affected. */
regulator-always-on;
};
// supplies to the on-board eMMC
ab8500_ldo_aux2_reg: ab8500_ldo_aux2 {
regulator-name = "V-eMMC1";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <3300000>;
};
// supply for VAUX3; SDcard slots
ab8500_ldo_aux3_reg: ab8500_ldo_aux3 {
regulator-name = "V-MMC-SD";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <3300000>;
};
// supply for v-intcore12; VINTCORE12 LDO
ab8500_ldo_initcore_reg: ab8500_ldo_initcore {
regulator-name = "V-INTCORE";
};
// supply for tvout; gpadc; TVOUT LDO
ab8500_ldo_tvout_reg: ab8500_ldo_tvout {
regulator-name = "V-TVOUT";
};
// supply for ab8500-usb; USB LDO
ab8500_ldo_usb_reg: ab8500_ldo_usb {
regulator-name = "dummy";
};
// supply for ab8500-vaudio; VAUDIO LDO
ab8500_ldo_audio_reg: ab8500_ldo_audio {
regulator-name = "V-AUD";
};
// supply for v-anamic1 VAMic1-LDO
ab8500_ldo_anamic1_reg: ab8500_ldo_anamic1 {
regulator-name = "V-AMIC1";
};
// supply for v-amic2; VAMIC2 LDO; reuse constants for AMIC1
ab8500_ldo_amamic2_reg: ab8500_ldo_amamic2 {
regulator-name = "V-AMIC2";
};
// supply for v-dmic; VDMIC LDO
ab8500_ldo_dmic_reg: ab8500_ldo_dmic {
regulator-name = "V-DMIC";
};
// supply for U8500 CSI/DSI; VANA LDO
ab8500_ldo_ana_reg: ab8500_ldo_ana {
regulator-name = "V-CSI/DSI";
};
};
};
};

2
arch/arm/boot/dts/snowball.dts
View File

@ -103,11 +103,13 @@
sdi@80126000 {
status = "enabled";
vmmc-supply = <&ab8500_ldo_aux3_reg>;
cd-gpios = <&gpio6 26 0x4>; // 218
};
sdi@80114000 {
status = "enabled";
vmmc-supply = <&ab8500_ldo_aux2_reg>;
};
uart@80120000 {