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From:   Tim Harvey <tharvey@gateworks.com>
To:     linux-arm-kernel@lists.infradead.org
Cc:     Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Fabio Estevam <festevam@gmail.com>,
        NXP Linux Team <linux-imx@nxp.com>,
        Li Yang <leoyang.li@nxp.com>, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, Tim Harvey <tharvey@gateworks.com>
Subject: [PATCH] arm64: dts: imx8mm-venice-gw7901: add cpu-supply node for cpufreq
Date:   Tue,  6 Jun 2023 08:32:38 -0700
Message-Id: <20230606153238.1448463-1-tharvey@gateworks.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

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

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
---
 .../dts/freescale/imx8mm-venice-gw7901.dts     | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
index df3b2c93d2d5..d022b5807a24 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
@@ -242,6 +242,22 @@ reg_wifi: regulator-wifi {
 	};
 };
 
+&A53_0 {
+	cpu-supply = <&buck2>;
+};
+
+&A53_1 {
+	cpu-supply = <&buck2>;
+};
+
+&A53_2 {
+	cpu-supply = <&buck2>;
+};
+
+&A53_3 {
+	cpu-supply = <&buck2>;
+};
+
 &ddrc {
 	operating-points-v2 = <&ddrc_opp_table>;
 
@@ -511,7 +527,7 @@ BUCK1 {
 			};
 
 			/* vdd_arm: 0.805-1.0V (typ=0.9V) */
-			BUCK2 {
+			buck2: BUCK2 {
 				regulator-name = "buck2";
 				regulator-min-microvolt = <700000>;
 				regulator-max-microvolt = <1300000>;
-- 
2.25.1