linux-kernel - [PATCH v2 5/8] ARM: dts: sun8i: a83t: allwinner-h8homlet-v2: Add AXP818 regulator nodes

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Message-Id: <20171018083138.14517-6-wens@csie.org>
Date:   Wed, 18 Oct 2017 16:31:35 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Lee Jones <lee.jones@...aro.org>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:     Chen-Yu Tsai <wens@...e.org>, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com,
        Quentin Schulz <quentin.schulz@...e-electrons.com>
Subject: [PATCH v2 5/8] ARM: dts: sun8i: a83t: allwinner-h8homlet-v2: Add AXP818 regulator nodes

This patch adds device nodes for all the regulators of the AXP818 PMIC.
Sunxi common regulators are removed, and USB VBUS regulators are added.

Signed-off-by: Chen-Yu Tsai <wens@...e.org>
---
 .../boot/dts/sun8i-a83t-allwinner-h8homlet-v2.dts  | 147 +++++++++++++++++++--
 1 file changed, 134 insertions(+), 13 deletions(-)

diff --git a/arch/arm/boot/dts/sun8i-a83t-allwinner-h8homlet-v2.dts b/arch/arm/boot/dts/sun8i-a83t-allwinner-h8homlet-v2.dts
index 1f0d60afb25b..5091cecbcd1e 100644
--- a/arch/arm/boot/dts/sun8i-a83t-allwinner-h8homlet-v2.dts
+++ b/arch/arm/boot/dts/sun8i-a83t-allwinner-h8homlet-v2.dts
@@ -43,7 +43,8 @@
 
 /dts-v1/;
 #include "sun8i-a83t.dtsi"
-#include "sunxi-common-regulators.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	model = "Allwinner A83T H8Homlet Proto Dev Board v2.0";
@@ -56,6 +57,26 @@
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
+
+	reg_usb0_vbus: reg-usb0-vbus {
+		compatible = "regulator-fixed";
+		regulator-name = "usb0-vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-boot-on;
+		enable-active-high;
+		gpio = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
+	};
+
+	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 = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
+	};
 };
 
 &ehci0 {
@@ -65,7 +86,7 @@
 &mmc0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc0_pins>;
-	vmmc-supply = <&reg_vcc3v0>;
+	vmmc-supply = <&reg_dcdc1>;
 	cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
 	bus-width = <4>;
 	cd-inverted;
@@ -75,7 +96,8 @@
 &mmc2 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc2_8bit_emmc_pins>;
-	vmmc-supply = <&reg_vcc3v0>;
+	vmmc-supply = <&reg_dcdc1>;
+	vqmmc-supply = <&reg_dcdc1>;
 	bus-width = <8>;
 	non-removable;
 	cap-mmc-hw-reset;
@@ -86,16 +108,6 @@
 	status = "okay";
 };
 
-&reg_usb0_vbus {
-	gpio = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
-	status = "okay";
-};
-
-&reg_usb1_vbus {
-	gpio = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
-	status = "okay";
-};
-
 &r_rsb {
 	status = "okay";
 
@@ -104,6 +116,8 @@
 		reg = <0x3a3>;
 		interrupt-parent = <&r_intc>;
 		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+		eldoin-supply = <&reg_dcdc1>;
+		swin-supply = <&reg_dcdc1>;
 	};
 
 	ac100: codec@e89 {
@@ -131,6 +145,113 @@
 	};
 };
 
+#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_dcdc1 {
+	regulator-always-on;
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-3v3";
+};
+
+&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 = "vcc-mipi";
+};
+
+&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 = "vcc-ephy";
+};
+
+&reg_fldo1 {
+	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_sw {
+	regulator-name = "vcc-wifi";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pb_pins>;
-- 
2.14.2