linux-kernel - [PATCH v1 07/12] arm64: dts: librem5-devkit: add the regulators for DVFS

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Message-Id: <20200205143003.28408-8-martin.kepplinger@puri.sm>
Date:   Wed,  5 Feb 2020 15:29:58 +0100
From:   Martin Kepplinger <martin.kepplinger@...i.sm>
To:     robh@...nel.org, mark.rutland@....com, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com
Cc:     linux-imx@....com, Anson.Huang@....com, devicetree@...r.kernel.org,
        kernel@...i.sm, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        "Angus Ainslie (Purism)" <angus@...ea.ca>
Subject: [PATCH v1 07/12] arm64: dts: librem5-devkit: add the regulators for DVFS

From: "Angus Ainslie (Purism)" <angus@...ea.ca>

Specify which regulator is used for cpufreq DVFS.

Signed-off-by: Angus Ainslie (Purism) <angus@...ea.ca>
---
 .../dts/freescale/imx8mq-librem5-devkit.dts   | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
index ac0145839a69..6a8f6cee96cf 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
@@ -223,6 +223,26 @@
 	};
 };
 
+&A53_0 {
+	operating-points-v2 = <&a53_opp_table>;
+	cpu-supply = <&buck2_reg>;
+};
+
+&A53_1 {
+	operating-points-v2 = <&a53_opp_table>;
+	cpu-supply = <&buck2_reg>;
+};
+
+&A53_2 {
+	operating-points-v2 = <&a53_opp_table>;
+	cpu-supply = <&buck2_reg>;
+};
+
+&A53_3 {
+	operating-points-v2 = <&a53_opp_table>;
+	cpu-supply = <&buck2_reg>;
+};
+
 &clk {
 	assigned-clocks = <&clk IMX8MQ_AUDIO_PLL1>, <&clk IMX8MQ_AUDIO_PLL2>;
 	assigned-clock-rates = <786432000>, <722534400>;
-- 
2.20.1