101 lines
3.0 KiB
Diff
101 lines
3.0 KiB
Diff
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From 53dc987e04e7c1dedb492433e220d684dd5a1abc Mon Sep 17 00:00:00 2001
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From: Ondrej Jirman <megi@xff.cz>
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Date: Sun, 4 Sep 2022 23:27:30 +0200
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Subject: [PATCH 280/391] arm64: dts: rk3399-pinephone-pro: Add 5V power supply
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Enable 5V power supply used by some devices on the board.
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Signed-off-by: Ondrej Jirman <megi@xff.cz>
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---
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.../dts/rockchip/rk3399-pinephone-pro.dts | 60 +++++++++++++++++++
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1 file changed, 60 insertions(+)
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diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
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index 07fc6f7c7..508b8e233 100644
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--- a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
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+++ b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
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@@ -145,6 +145,50 @@ vcc_sys: vcc-sys-regulator {
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regulator-boot-on;
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};
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+ vcc5v0_sys: vcc5v0-host-regulator {
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+ compatible = "regulator-fixed";
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+ regulator-name = "vcc5v0_sys";
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+ regulator-min-microvolt = <5000000>;
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+ regulator-max-microvolt = <5000000>;
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+ regulator-always-on;
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+ regulator-boot-on;
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+ vin-supply = <&boost_otg>;
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+
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+ regulator-state-mem {
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+ regulator-on-in-suspend;
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+ };
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+ };
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+
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+ /*
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+ * This is not a regulator. GPIO0_A6 is used to force enable VCC_SYS <->
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+ * VBAT+ Q7 switch that helps boost the RK818's power path's current carrying
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+ * capacity when operating the phone from the battery in case VBUS_TYPEC
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+ * has 5V provided by the phone itself and not by the external power
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+ * supply. (this happens in USB host mode)
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+ *
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+ * GPIO0_A6 low: Q7 is enabled if there's 0V on VBUS_TYPEC (phone is not
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+ * powered from external power supply)
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+ * GPIO0_A6 high: Q7 is enabled no matter what
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+ *
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+ * GPIO0_A6 must be high when the phone is providing VBUS_TYPEC power.
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+ * This keeps the power path boost enabled for all cases when the phone
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+ * runs from the battery.
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+ *
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+ * In other words, GPIO0_A6 is used to override the automatic disabling
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+ * of Q7 when VBUS_TYPEC has 5V in USB host mode.
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+ */
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+ vcc5v0_typec: vcc5v0-typec-regulator {
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+ compatible = "regulator-fixed";
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+ enable-active-high;
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+ gpio = <&gpio0 RK_PA6 GPIO_ACTIVE_HIGH>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&vcc5v0_typec_en>;
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+ regulator-min-microvolt = <5000000>;
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+ regulator-max-microvolt = <5000000>;
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+ regulator-name = "vcc5v0_typec";
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+ vin-supply = <&boost_otg>;
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+ };
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+
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vcc3v3_sys: vcc3v3-sys-regulator {
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compatible = "regulator-fixed";
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regulator-name = "vcc3v3_sys";
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@@ -291,6 +335,7 @@ rk818: pmic@1c {
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vcc7-supply = <&vcc3v3_sys>;
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vcc8-supply = <&vcc_sys>;
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vcc9-supply = <&vcc3v3_sys>;
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+ usb-supply = <&vcc5v0_typec>;
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regulators {
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vdd_cpu_l: DCDC_REG1 {
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@@ -422,6 +467,21 @@ regulator-state-mem {
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regulator-on-in-suspend;
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};
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};
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+
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+ boost_otg: DCDC_BOOST {
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+ regulator-name = "boost_otg";
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+ regulator-always-on;
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+ regulator-boot-on;
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+ regulator-min-microvolt = <5000000>;
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+ regulator-max-microvolt = <5000000>;
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+ regulator-state-mem {
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+ regulator-on-in-suspend;
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+ };
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+ };
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+
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+ otg_switch: OTG_SWITCH {
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+ regulator-name = "otg_switch";
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+ };
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};
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/*
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--
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2.35.3
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