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>

2 files changed, 70 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/db8500.dtsi b/arch/arm/boot/dts/db8500.dtsi
index 646c80b41661..1fa5546b5971 100644
--- a/arch/arm/boot/dts/db8500.dtsi
+++ b/arch/arm/boot/dts/db8500.dtsi
@@ -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";
+                                        };
+                                };
                         };
                 };
 
diff --git a/arch/arm/boot/dts/snowball.dts b/arch/arm/boot/dts/snowball.dts
index d6c05ea9e518..ec3c33975110 100644
--- a/arch/arm/boot/dts/snowball.dts
+++ b/arch/arm/boot/dts/snowball.dts
@@ -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 {