linux-kernel - [PATCH 2/3] arm64: dts: rockchip: define iodomains for rk3368-lion

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Date:   Thu, 23 Sep 2021 01:04:28 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     linux-rockchip@...ts.infradead.org
Cc:     heiko@...ech.de, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Jakob Unterwurzacher <jakob.unterwurzacher@...obroma-systems.com>
Subject: [PATCH 2/3] arm64: dts: rockchip: define iodomains for rk3368-lion

From: Jakob Unterwurzacher <jakob.unterwurzacher@...obroma-systems.com>

This is not strictly needed, as 3.3V is the default,
but good to have for descriptive purposes nevertheless.

Signed-off-by: Jakob Unterwurzacher <jakob.unterwurzacher@...obroma-systems.com>
[fixed ordering]
Signed-off-by: Heiko Stuebner <heiko@...ech.de>
---
 arch/arm64/boot/dts/rockchip/rk3368-lion.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3368-lion.dtsi b/arch/arm64/boot/dts/rockchip/rk3368-lion.dtsi
index 6622f11a169f..8e82ca3f1c6f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3368-lion.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368-lion.dtsi
@@ -273,6 +273,18 @@ &i2c2 {
 	status = "okay";
 };
 
+/* The RK3368-uQ7 "Lion" has most IO voltages hardwired to 3.3V. */
+&io_domains {
+	audio-supply = <&vcc33_io>;
+	dvp-supply = <&vcc33_io>;
+	flash0-supply = <&vcc_18>;
+	gpio30-supply = <&vcc33_io>;
+	gpio1830-supply = <&vcc33_io>;
+	sdcard-supply = <&vcc33_io>;
+	wifi-supply = <&vcc33_io>;
+	status = "okay";
+};
+
 &pinctrl {
 	leds {
 		module_led_pins: module-led-pins {
@@ -292,6 +304,12 @@ pmic_sleep: pmic-sleep {
 	};
 };
 
+&pmu_io_domains {
+	pmu-supply = <&vcc33_io>;
+	vop-supply = <&vcc33_io>;
+	status = "okay";
+};
+
 &spi1 {
 	status = "okay";
 
-- 
2.29.2