linux-kernel - [PATCH 5/6] arm64: dts: imx8mp-venice-gw74xx: add cpu-supply node for cpufreq

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Message-Id: <20220812173526.15537-5-tharvey@gateworks.com>
Date:   Fri, 12 Aug 2022 10:35:25 -0700
From:   Tim Harvey <tharvey@...eworks.com>
To:     Shawn Guo <shawnguo@...nel.org>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Cc:     Tim Harvey <tharvey@...eworks.com>
Subject: [PATCH 5/6] arm64: dts: imx8mp-venice-gw74xx: add cpu-supply node for cpufreq

Add regulator config for cpu-supply in order to support cpufreq.

Signed-off-by: Tim Harvey <tharvey@...eworks.com>
---
 .../dts/freescale/imx8mp-venice-gw74xx.dts     | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts
index cb4cf293a7b7..bfc480aaf54d 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts
@@ -142,6 +142,22 @@ reg_wifi_en: regulator-wifi-en {
 	};
 };
 
+&A53_0 {
+	cpu-supply = <&reg_arm>;
+};
+
+&A53_1 {
+	cpu-supply = <&reg_arm>;
+};
+
+&A53_2 {
+	cpu-supply = <&reg_arm>;
+};
+
+&A53_3 {
+	cpu-supply = <&reg_arm>;
+};
+
 /* off-board header */
 &ecspi2 {
 	pinctrl-names = "default";
@@ -362,7 +378,7 @@ BUCK1 {
 				regulator-ramp-delay = <3125>;
 			};
 
-			BUCK2 {
+			reg_arm: BUCK2 {
 				regulator-name = "BUCK2";
 				regulator-min-microvolt = <720000>;
 				regulator-max-microvolt = <1025000>;
-- 
2.25.1