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Subject[PATCH 5/7] ARM: dts: sun8i: a83t: cubietruck-plus: Add AXP818 regulator nodes
Date
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 <wens@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
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