From e4ffd1f5898bf07ec4bcdbe38d545cd5c66694a7 Mon Sep 17 00:00:00 2001 From: Ondrej Jirman Date: Sun, 4 Sep 2022 23:27:30 +0200 Subject: [PATCH 392/484] arm64: dts: rk3399-pinephone-pro: Add 5V power supply Enable 5V power supply used by some devices on the board. Signed-off-by: Ondrej Jirman --- .../dts/rockchip/rk3399-pinephone-pro.dts | 60 +++++++++++++++++++ 1 file changed, 60 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts index c64214701d00..2a885bbe45dd 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts @@ -141,6 +141,50 @@ regulator-boot-on; }; + vcc5v0_sys: regulator-vcc5v0-host { + compatible = "regulator-fixed"; + regulator-name = "vcc5v0_sys"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-always-on; + regulator-boot-on; + vin-supply = <&boost_otg>; + + regulator-state-mem { + regulator-on-in-suspend; + }; + }; + + /* + * This is not a regulator. GPIO0_A6 is used to force enable VCC_SYS <-> + * VBAT+ Q7 switch that helps boost the RK818's power path's current carrying + * capacity when operating the phone from the battery in case VBUS_TYPEC + * has 5V provided by the phone itself and not by the external power + * supply. (this happens in USB host mode) + * + * GPIO0_A6 low: Q7 is enabled if there's 0V on VBUS_TYPEC (phone is not + * powered from external power supply) + * GPIO0_A6 high: Q7 is enabled no matter what + * + * GPIO0_A6 must be high when the phone is providing VBUS_TYPEC power. + * This keeps the power path boost enabled for all cases when the phone + * runs from the battery. + * + * In other words, GPIO0_A6 is used to override the automatic disabling + * of Q7 when VBUS_TYPEC has 5V in USB host mode. + */ + vcc5v0_typec: regulator-vcc5v0-typec { + compatible = "regulator-fixed"; + enable-active-high; + gpio = <&gpio0 RK_PA6 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&vcc5v0_typec_en>; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-name = "vcc5v0_typec"; + vin-supply = <&boost_otg>; + }; + vcc3v3_sys: regulator-vcc3v3-sys { compatible = "regulator-fixed"; regulator-name = "vcc3v3_sys"; @@ -293,6 +337,7 @@ vcc7-supply = <&vcc3v3_sys>; vcc8-supply = <&vcc_sys>; vcc9-supply = <&vcc3v3_sys>; + usb-supply = <&vcc5v0_typec>; regulators { vdd_cpu_l: DCDC_REG1 { @@ -424,6 +469,21 @@ regulator-on-in-suspend; }; }; + + boost_otg: DCDC_BOOST { + regulator-name = "boost_otg"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-state-mem { + regulator-on-in-suspend; + }; + }; + + otg_switch: OTG_SWITCH { + regulator-name = "otg_switch"; + }; }; /* -- 2.49.0