linux-kernel - [PATCH v3 01/14] arm64: dts: rockchip: add PCIe supply regulator to Qnap-TS433

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Message-Id: <20240723195538.1133436-2-heiko@sntech.de>
Date: Tue, 23 Jul 2024 21:55:25 +0200
From: Heiko Stuebner <heiko@...ech.de>
To: heiko@...ech.de
Cc: ukleinek@...ian.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v3 01/14] arm64: dts: rockchip: add PCIe supply regulator to Qnap-TS433

Add the vcc3v3-supply regulator and its link to the pcie controllers.

Tested-by: Uwe Kleine-König <ukleinek@...ian.org>
Signed-off-by: Heiko Stuebner <heiko@...ech.de>
---
 .../boot/dts/rockchip/rk3568-qnap-ts433.dts   | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-qnap-ts433.dts b/arch/arm64/boot/dts/rockchip/rk3568-qnap-ts433.dts
index 6a998166003c9..07b4f095d766a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-qnap-ts433.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-qnap-ts433.dts
@@ -12,6 +12,25 @@
 / {
 	model = "Qnap TS-433-4G NAS System 4-Bay";
 	compatible = "qnap,ts433", "rockchip,rk3568";
+
+	dc_12v: regulator-dc-12v {
+		compatible = "regulator-fixed";
+		regulator-name = "dc_12v";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <12000000>;
+		regulator-max-microvolt = <12000000>;
+	};
+
+	vcc3v3_pcie: regulator-vcc3v3-pcie {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc3v3_pcie";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		enable-active-high;
+		gpios = <&gpio0 RK_PD4 GPIO_ACTIVE_HIGH>;
+		vin-supply = <&dc_12v>;
+	};
 };
 
 &gmac0 {
@@ -62,9 +81,11 @@ &pcie30phy {
 	status = "okay";
 };
 
+/* Connected to a JMicron AHCI SATA controller */
 &pcie3x1 {
 	/* The downstream dts has: rockchip,bifurcation, XXX: find out what this is about */
 	reset-gpios = <&gpio0 RK_PC7 GPIO_ACTIVE_HIGH>;
+	vpcie3v3-supply = <&vcc3v3_pcie>;
 	status = "okay";
 };
 
-- 
2.39.2