vendor/device-tree/4.15

1 files changed, 175 insertions, 12 deletions

diff --git a/src/arm/sun8i-a83t-cubietruck-plus.dts b/src/arm/sun8i-a83t-cubietruck-plus.dts
index 716a205c6dbb..7f0a3f6d0cf2 100644
--- a/src/arm/sun8i-a83t-cubietruck-plus.dts
+++ b/src/arm/sun8i-a83t-cubietruck-plus.dts
@@ -44,7 +44,6 @@
 
 /dts-v1/;
 #include "sun8i-a83t.dtsi"
-#include "sunxi-common-regulators.dtsi"
 
 #include <dt-bindings/gpio/gpio.h>
 
@@ -95,6 +94,26 @@
 		refclk-frequency = <19200000>;
 	};
 
+	reg_usb1_vbus: reg-usb1-vbus {
+		compatible = "regulator-fixed";
+		regulator-name = "usb1-vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-boot-on;
+		enable-active-high;
+		gpio = <&pio 3 29 GPIO_ACTIVE_HIGH>; /* PD29 */
+	};
+
+	reg_usb2_vbus: reg-usb2-vbus {
+		compatible = "regulator-fixed";
+		regulator-name = "usb2-vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-boot-on;
+		enable-active-high;
+		gpio = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
+	};
+
 	sound {
 		compatible = "simple-audio-card";
 		simple-audio-card,name = "On-board SPDIF";
@@ -112,6 +131,17 @@
 		#sound-dai-cells = <0>;
 		compatible = "linux,spdif-dit";
 	};
+
+	wifi_pwrseq: wifi_pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		clocks = <&ac100_rtc 1>;
+		clock-names = "ext_clock";
+		/* The WiFi low power clock must be 32768 Hz */
+		assigned-clocks = <&ac100_rtc 1>;
+		assigned-clock-rates = <32768>;
+		/* enables internal regulator and de-asserts reset */
+		reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
+	};
 };
 
 &ehci0 {
@@ -127,17 +157,26 @@
 &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;
 	status = "okay";
 };
 
+&mmc1 {
+	vmmc-supply = <&reg_dcdc1>;
+	vqmmc-supply = <&reg_sw>;
+	mmc-pwrseq = <&wifi_pwrseq>;
+	bus-width = <4>;
+	non-removable;
+	status = "okay";
+};
+
 &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 +191,9 @@
 		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 {
@@ -179,22 +221,143 @@
 	};
 };
 
-&reg_usb1_vbus {
-	gpio = <&pio 3 29 GPIO_ACTIVE_HIGH>; /* PD29 */
-	status = "okay";
+#include "axp81x.dtsi"
+
+&reg_aldo1 {
+	regulator-always-on;
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <1800000>;
+	regulator-name = "vcc-1v8";
+};
+
+&reg_aldo2 {
+	regulator-always-on;
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <1800000>;
+	regulator-name = "dram-pll";
+};
+
+&reg_aldo3 {
+	regulator-always-on;
+	regulator-min-microvolt = <3000000>;
+	regulator-max-microvolt = <3000000>;
+	regulator-name = "avcc";
 };
 
-&reg_usb2_vbus {
-	gpio = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
+&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";
+};
+
+&reg_dldo2 {
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "dp-pwr";
+};
+
+&reg_dldo3 {
+	regulator-always-on;
+	regulator-min-microvolt = <2500000>;
+	regulator-max-microvolt = <2500000>;
+	regulator-name = "ephy-io";
+};
+
+&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 = "ephy";
+};
+
+&reg_drivevbus {
+	regulator-name = "usb0-vbus";
 	status = "okay";
 };
 
-&reg_vcc3v0 {
-	status = "disabled";
+&reg_eldo1 {
+	regulator-min-microvolt = <1200000>;
+	regulator-max-microvolt = <1200000>;
+	regulator-name = "dp-bridge-1";
+};
+
+&reg_eldo2 {
+	regulator-min-microvolt = <1200000>;
+	regulator-max-microvolt = <1200000>;
+	regulator-name = "dp-bridge-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";
 };
 
-&reg_vcc5v0 {
-	status = "disabled";
+&reg_sw {
+	regulator-name = "vcc-wifi-io";
 };
 
 &spdif {