linux-kernel - [PATCH 08/11] arm64: dts: qcom: msm8994-kitakami: Add VDD

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Message-Id: <20210118162432.107275-8-konrad.dybcio@somainline.org>
Date:   Mon, 18 Jan 2021 17:24:28 +0100
From:   Konrad Dybcio <konrad.dybcio@...ainline.org>
To:     phone-devel@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 08/11] arm64: dts: qcom: msm8994-kitakami: Add VDD_GFX regulator

This is required for the GPU to function.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
---
 .../dts/qcom/msm8994-sony-xperia-kitakami.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami.dtsi b/arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami.dtsi
index 26b54f360fc3..05155859cf6a 100644
--- a/arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami.dtsi
@@ -185,6 +185,24 @@ &blsp2_uart2 {
 	status = "okay";
 };
 
+&pmi8994_spmi_regulators {
+	/*
+	 * Yeah, this one *is* managed by RPMPD, but also needs
+	 * to be hacked up as a-o due to the GPU device only accepting a single
+	 * power domain.. which still isn't enough and forces us to bind
+	 * OXILI_CX and OXILI_GX together!
+	 */
+	vdd_gfx: s2@...0 {
+		reg = <0x1700 0x100>;
+		regulator-name = "VDD_GFX";
+		regulator-min-microvolt = <980000>;
+		regulator-max-microvolt = <980000>;
+
+		/* hack until we rig up the gpu consumer */
+		regulator-always-on;
+	};
+};
+
 &rpm_requests {
 	pm8994_regulators: pm8994-regulators {
 		compatible = "qcom,rpm-pm8994-regulators";
-- 
2.29.2