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From:   Tim Harvey <tharvey@gateworks.com>
To:     linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        devicetree@vger.kernel.org
Cc:     NXP Linux Team <linux-imx@nxp.com>,
        Fabio Estevam <festevam@gmail.com>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Shawn Guo <shawnguo@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Tim Harvey <tharvey@gateworks.com>
Subject: [PATCH v2 4/5] arm64: dts: imx8mp-venice-gw74xx: add cpu-supply node for cpufreq
Date:   Mon, 12 Sep 2022 11:08:35 -0700
Message-Id: <20220912180836.773729-4-tharvey@gateworks.com>
In-Reply-To: <20220912180836.773729-1-tharvey@gateworks.com>
References: <20220912180836.773729-1-tharvey@gateworks.com>
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Add regulator config for cpu-supply in order to support cpufreq.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
---
v2: no changes
---
 .../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 211e6a1b296e..066a4afaf8a1 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts
@@ -141,6 +141,22 @@ 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";
@@ -361,7 +377,7 @@ BUCK1 {
 				regulator-ramp-delay = <3125>;
 			};
 
-			BUCK2 {
+			reg_arm: BUCK2 {
 				regulator-name = "BUCK2";
 				regulator-min-microvolt = <720000>;
 				regulator-max-microvolt = <1025000>;
-- 
2.25.1