ARM: dts: am335x-tx48: add support for LT3589 PMIC

diff --git a/arch/arm/boot/dts/am335x-tx48.dts b/arch/arm/boot/dts/am335x-tx48.dts
index 2bdecefd3525ada08ed45751b356960859158499..bf3578996936a42e72b90efa14ada5ac9784b91d 100644 (file)
--- a/arch/arm/boot/dts/am335x-tx48.dts
+++ b/arch/arm/boot/dts/am335x-tx48.dts
@@ -27,7 +27,7 @@
 
        cpus {
                cpu@0 {
-                       cpu0-supply = <&reg_sw2>;
+                       cpu0-supply = <&sw2_reg>;
                };
        };
 
@@ -51,7 +51,7 @@
        backlight: backlight@0 {
                compatible = "pwm-backlight";
                pwms = <&ehrpwm0 0 500000 PWM_POLARITY_INVERTED>;
-               power-supply = <&reg_3v3>;
+               power-supply = <&bb_out_reg>;
                /*
                 * a poor man's way to create a 1:1 relationship between
                 * the PWM value and the actual duty cycle
@@ -241,43 +241,7 @@
        regulators {
                compatible = "simple-bus";
 
-               reg_3v3: regulator@0 {
-                       compatible = "regulator-fixed";
-                       regulator-name = "vbat";
-                       regulator-min-microvolt = <3300000>;
-                       regulator-max-microvolt = <3300000>;
-                       regulator-boot-on;
-               };
-
-               reg_sw1: regulator@1 {
-                       // VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance
-                       regulator-name = "vdd_core";
-                       regulator-min-microvolt = <912000>;
-                       regulator-max-microvolt = <1144000>;
-               };
-
-               reg_sw2: regulator@2 {
-                       // VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance
-                       regulator-name = "vdd_mpu";
-                       regulator-min-microvolt = <912500>;
-                       regulator-max-microvolt = <1312500>;
-               };
-
-               reg_sw4: regulator@3 {
-                       compatible = "regulator-fixed";
-                       regulator-name = "3v3";
-                       regulator-min-microvolt = <3300000>;
-                       regulator-max-microvolt = <3300000>;
-               };
-
-               reg_2v5: regulator@4 {
-                       compatible = "regulator-fixed";
-                       regulator-name = "2v5";
-                       regulator-min-microvolt = <2500000>;
-                       regulator-max-microvolt = <2500000>;
-               };
-
-               reg_lcd_pwr: regulator@5 {
+               reg_lcd_pwr: regulator@0 {
                        compatible = "regulator-fixed";
                        regulator-name = "LCD power";
                        pinctrl-names = "default";
@@ -290,7 +254,7 @@
                        regulator-always-on;
                };
 
-               reg_lcd_rst: regulator@6 {
+               reg_lcd_rst: regulator@1 {
                        compatible = "regulator-fixed";
                        regulator-name = "LCD reset";
                        pinctrl-names = "default";
@@ -303,14 +267,7 @@
                        regulator-always-on;
                };
 
-               reg_vmmc: regulator@7 {
-                       compatible = "regulator-fixed";
-                       regulator-name = "vmmc";
-                       regulator-min-microvolt = <3300000>;
-                       regulator-max-microvolt = <3300000>;
-               };
-
-               reg_can_xcvr: regulator@8 {
+               reg_can_xcvr: regulator@2 {
                        compatible = "regulator-fixed";
                        regulator-name = "can-xcvr";
                        pinctrl-names = "default";
@@ -322,7 +279,7 @@
                        regulator-always-on;
                };
 
-               reg_usbotg: regulator@9 {
+               reg_usbotg: regulator@3 {
                        compatible = "regulator-fixed";
                        regulator-name = "usbotg-vbus";
                        regulator-min-microvolt = <3300000>;
@@ -743,17 +700,91 @@
                compatible = "dallas,ds1339";
                reg = <0x68>;
        };
-/*
+
        pmic: lt3589@34 {
-               compatible = "lt,lt3589";
+               compatible = "lltc,ltc3589-2";
                reg = <0x34>;
+               interrupt-parent = <&intc>;
+               interrupts = <7>;
+
+               regulators {
+                       sw1_reg: sw1 {
+                               regulator-min-microvolt = <591930>;
+                               regulator-max-microvolt = <1224671>;
+                               lltc,fb-voltage-divider = <100000 158000>;
+                               regulator-name = "vdd_core";
+                               regulator-ramp-delay = <7000>;
+                               regulator-boot-on;
+                               regulator-always-on;
+                       };
+
+                       sw2_reg: sw2 {
+                               regulator-min-microvolt = <704544>;
+                               regulator-max-microvolt = <1363627>;
+                               lltc,fb-voltage-divider = <180000 220000>;
+                               regulator-name = "vdd_mpu";
+                               regulator-ramp-delay = <7000>;
+                               regulator-boot-on;
+                               regulator-always-on;
+                       };
+
+                       sw3_reg: sw3 {
+                               regulator-min-microvolt = <1364186>;
+                               regulator-max-microvolt = <1670426>;
+                               lltc,fb-voltage-divider = <270000 220000>;
+                               regulator-name = "vdds_ddr";
+                               regulator-ramp-delay = <7000>;
+                               regulator-boot-on;
+                               regulator-always-on;
+                       };
+
+                       bb_out_reg: bb-out {
+                               regulator-min-microvolt = <3387341>;
+                               regulator-max-microvolt = <3387341>;
+                               lltc,fb-voltage-divider = <511000 158000>;
+                               regulator-name = "vddio";
+                               regulator-boot-on;
+                               regulator-always-on;
+                       };
+
+                       ldo1_reg: ldo1 {
+                               regulator-min-microvolt = <1781818>;
+                               regulator-max-microvolt = <1781818>;
+                               lltc,fb-voltage-divider = <270000 220000>;
+                               regulator-name = "vdds_rtc";
+                               regulator-boot-on;
+                               regulator-always-on;
+                       };
+
+                       ldo2_reg: ldo2 {
+                               regulator-min-microvolt = <1799991>;
+                               regulator-max-microvolt = <1833324>;
+                               lltc,fb-voltage-divider = <300000 180000>;
+                               regulator-name = "vdd_etn";
+                               regulator-ramp-delay = <7000>;
+                               regulator-boot-on;
+                               regulator-always-on;
+                       };
+
+                       ldo3_reg: ldo3 {
+                               regulator-min-microvolt = <2800000>;
+                               regulator-max-microvolt = <2800000>;
+                               regulator-name = "vdds";
+                       };
+
+                       ldo4_reg: ldo4 {
+                               regulator-min-microvolt = <1200000>;
+                               regulator-max-microvolt = <3200000>;
+                               regulator-name = "vpp";
+                       };
+               };
        };
-*/
+
        sgtl5000: sgtl5000@0a {
                compatible = "fsl,sgtl5000";
                reg = <0x0a>;
-               VDDA-supply = <&reg_2v5>;
-               VDDIO-supply = <&reg_sw4>;
+               VDDA-supply = <&bb_out_reg>;
+               VDDIO-supply = <&bb_out_reg>;
                clocks = <&mclk>;
        };
 
@@ -804,7 +835,7 @@
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_mmc1>;
        cd-gpios = <&gpio3 15 GPIO_ACTIVE_LOW>;
-       vmmc-supply = <&reg_vmmc>;
+       vmmc-supply = <&bb_out_reg>;
        status = "okay";
 };