[PATCH 5/7] ARM: dts: sun8i: a83t: cubietruck-plus: Add AXP818 regulator nodes

[Chen-Yu Tsai]

This patch adds device nodes for all the regulators of the AXP818 PMIC.
References to the 3.3V dummy regulator are replaced, and it is disabled.

Signed-off-by: Chen-Yu Tsai <w...@csie.org>
---
 arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts | 150 ++++++++++++++++++++++-
 1 file changed, 148 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts 
b/arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts
index 716a205c6dbb..7e1b1f6ca5f4 100644
--- a/arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts
+++ b/arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts
@@ -127,7 +127,7 @@
 &mmc0 {
        pinctrl-names = "default";
        pinctrl-0 = <&mmc0_pins>;
-       vmmc-supply = <&reg_vcc3v3>;
+       vmmc-supply = <&reg_dcdc1>;
        bus-width = <4>;
        cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
        cd-inverted;
@@ -137,7 +137,7 @@
 &mmc2 {
        pinctrl-names = "default";
        pinctrl-0 = <&mmc2_8bit_emmc_pins>;
-       vmmc-supply = <&reg_vcc3v3>;
+       vmmc-supply = <&reg_dcdc1>;
        bus-width = <8>;
        non-removable;
        cap-mmc-hw-reset;
@@ -152,6 +152,9 @@
                reg = <0x3a3>;
                interrupt-parent = <&r_intc>;
                interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+               eldoin-supply = <&reg_dcdc1>;
+               swin-supply = <&reg_dcdc1>;
+               x-powers,drive-vbus-en;
        };
 
        ac100: codec@e89 {
@@ -179,6 +182,145 @@
        };
 };
 
+#include "axp81x.dtsi"
+
+&reg_aldo1 {
+       regulator-always-on;
+       regulator-min-microvolt = <1800000>;
+       regulator-max-microvolt = <1800000>;
+       regulator-name = "vcc18-csi2-dsi-efuse-hdmi-d4dp";
+};
+
+&reg_aldo2 {
+       regulator-always-on;
+       regulator-min-microvolt = <1800000>;
+       regulator-max-microvolt = <1800000>;
+       regulator-name = "vdd-drampll-vcc18-pll-adc-cpvdd-ldoin";
+};
+
+&reg_aldo3 {
+       regulator-always-on;
+       regulator-min-microvolt = <3000000>;
+       regulator-max-microvolt = <3000000>;
+       regulator-name = "vcc-pl-avcc";
+};
+
+&reg_dcdc1 {
+       /*
+        * The schematics say this should be 3.3V, but the FEX file says
+        * it should be 3V. The latter makes sense, as the WiFi module's
+        * I/O is indirectly powered from DCDC1, through SW. It is rated
+        * at 2.98V maximum.
+        */
+       regulator-always-on;
+       regulator-min-microvolt = <3000000>;
+       regulator-max-microvolt = <3000000>;
+       regulator-name = "vcc-3v";
+};
+
+&reg_dcdc2 {
+       regulator-always-on;
+       regulator-min-microvolt = <700000>;
+       regulator-max-microvolt = <1100000>;
+       regulator-name = "vdd-cpua";
+};
+
+&reg_dcdc3 {
+       regulator-always-on;
+       regulator-min-microvolt = <700000>;
+       regulator-max-microvolt = <1100000>;
+       regulator-name = "vdd-cpub";
+};
+
+&reg_dcdc4 {
+       regulator-min-microvolt = <700000>;
+       regulator-max-microvolt = <1100000>;
+       regulator-name = "vdd-gpu";
+};
+
+&reg_dcdc5 {
+       regulator-always-on;
+       regulator-min-microvolt = <1500000>;
+       regulator-max-microvolt = <1500000>;
+       regulator-name = "vcc-dram";
+};
+
+&reg_dcdc6 {
+       regulator-always-on;
+       regulator-min-microvolt = <900000>;
+       regulator-max-microvolt = <900000>;
+       regulator-name = "vdd-sys-vdd09-usb0-hdmi";
+};
+
+&reg_dldo2 {
+       regulator-min-microvolt = <3300000>;
+       regulator-max-microvolt = <3300000>;
+       regulator-name = "vcc-mipi-3v3-d4dpio";
+};
+
+&reg_dldo3 {
+       regulator-always-on;
+       regulator-min-microvolt = <2500000>;
+       regulator-max-microvolt = <2500000>;
+       regulator-name = "vcc-pd-vdd25-ephy";
+};
+
+&reg_dldo4 {
+       /*
+        * The PHY requires 20ms after all voltages are applied until core
+        * logic is ready and 30ms after the reset pin is de-asserted.
+        * Set a 100ms delay to account for PMIC ramp time and board traces.
+        */
+       regulator-enable-ramp-delay = <100000>;
+       regulator-min-microvolt = <3300000>;
+       regulator-max-microvolt = <3300000>;
+       regulator-name = "vdd33-ephy";
+};
+
+&reg_drivevbus {
+       regulator-name = "usb0-vbus";
+       status = "okay";
+};
+
+&reg_eldo1 {
+       regulator-min-microvolt = <1200000>;
+       regulator-max-microvolt = <1200000>;
+       regulator-name = "vdd12-d4dp-1";
+};
+
+&reg_eldo2 {
+       regulator-min-microvolt = <1200000>;
+       regulator-max-microvolt = <1200000>;
+       regulator-name = "vdd12-d4dp-2";
+};
+
+&reg_fldo1 {
+       /* TODO should be handled by USB PHY */
+       regulator-always-on;
+       regulator-min-microvolt = <1080000>;
+       regulator-max-microvolt = <1320000>;
+       regulator-name = "vdd12-hsic";
+};
+
+&reg_fldo2 {
+       /*
+        * Despite the embedded CPUs core not being used in any way,
+        * this must remain on or the system will hang.
+        */
+       regulator-always-on;
+       regulator-min-microvolt = <700000>;
+       regulator-max-microvolt = <1100000>;
+       regulator-name = "vdd-cpus";
+};
+
+&reg_rtc_ldo {
+       regulator-name = "vcc-rtc-vdd1v8-io-vdd18-lvds";
+};
+
+&reg_sw {
+       regulator-name = "vcc-wifi-io";
+};
+
 &reg_usb1_vbus {
        gpio = <&pio 3 29 GPIO_ACTIVE_HIGH>; /* PD29 */
        status = "okay";
@@ -193,6 +335,10 @@
        status = "disabled";
 };
 
+&reg_vcc3v3 {
+       status = "disabled";
+};
+
 &reg_vcc5v0 {
        status = "disabled";
 };
-- 
2.14.2