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Message-Id: <20191117140728.917-1-linux.amoon@gmail.com>
Date: Sun, 17 Nov 2019 14:07:28 +0000
From: Anand Moon <linux.amoon@...il.com>
To: Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Heiko Stuebner <heiko@...ech.de>,
Jagan Teki <jagan@...rulasolutions.com>,
Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: rockchip: Add regulators for pcie on rk3399-rock960
As per Rock960 schematics add 0V9 and 1V8 voltage supplies to the
RK3399 PCIe block.
Signed-off-by: Anand Moon <linux.amoon@...il.com>
---
Schematics [0] https://dl.vamrs.com/products/rock960/docs/hw/rock960_sch_v12_20180314.pdf
---
arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi
index c7d48d41e184..2f76cccebbee 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi
@@ -53,6 +53,15 @@
vin-supply = <&vcc5v0_sys>;
};
+ vcc_0v9: vcc-0v9 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_0v9";
+ regulator-always-on;
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <900000>;
+ vin-supply = <&vcc3v3_sys>;
+ };
+
vcc3v3_pcie: vcc3v3-pcie-regulator {
compatible = "regulator-fixed";
enable-active-high;
@@ -385,6 +394,8 @@
pinctrl-names = "default";
pinctrl-0 = <&pcie_clkreqn_cpm>;
vpcie3v3-supply = <&vcc3v3_pcie>;
+ vpcie1v8-supply = <&vcca_1v8>;
+ vpcie0v9-supply = <&vcc_0v9>;
status = "okay";
};
--
2.24.0
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