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From:   "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
To:     robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
        shawnguo@kernel.org, s.hauer@pengutronix.de
Cc:     kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, Peng Fan <peng.fan@nxp.com>
Subject: [PATCH 03/15] arm64: dts: imx8mp-evk: fix BUCK/LDO voltage
Date:   Thu, 20 Oct 2022 17:59:22 +0800
Message-Id: <20221020095934.1659449-4-peng.fan@oss.nxp.com>
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From: Peng Fan <peng.fan@nxp.com>

Per PCA9450C datasheet, the voltage range as below:
BUCK1 0.6 - 2.1875
BUCK2 0.6 - 2.1875
BUCK4 0.6 - 3.4
BUCK5 0.6 - 3.4
BUCK6 0.6 - 3.4

LDO1 1.6-1.9, 3.0-3.3
LDO2 0.8 – 1.15
LDO3 0.8 - 3.3
LDO4 0.8 - 3.3
LDO5 1.8 - 3.3

So correct them, and also add LDO[2,4]

Fixes: 5497bc2a2bff ("arm64: dts: imx8mp-evk: Add PMIC device")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 44 +++++++++++++-------
 1 file changed, 30 insertions(+), 14 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index b4c1ef2559f2..a4cddc5a8620 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -248,8 +248,8 @@ pmic@25 {
 		regulators {
 			BUCK1 {
 				regulator-name = "BUCK1";
-				regulator-min-microvolt = <720000>;
-				regulator-max-microvolt = <1000000>;
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <2187500>;
 				regulator-boot-on;
 				regulator-always-on;
 				regulator-ramp-delay = <3125>;
@@ -257,8 +257,8 @@ BUCK1 {
 
 			reg_arm: BUCK2 {
 				regulator-name = "BUCK2";
-				regulator-min-microvolt = <720000>;
-				regulator-max-microvolt = <1025000>;
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <2187500>;
 				regulator-boot-on;
 				regulator-always-on;
 				regulator-ramp-delay = <3125>;
@@ -268,40 +268,56 @@ reg_arm: BUCK2 {
 
 			BUCK4 {
 				regulator-name = "BUCK4";
-				regulator-min-microvolt = <3000000>;
-				regulator-max-microvolt = <3600000>;
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <3400000>;
 				regulator-boot-on;
 				regulator-always-on;
 			};
 
 			BUCK5 {
 				regulator-name = "BUCK5";
-				regulator-min-microvolt = <1650000>;
-				regulator-max-microvolt = <1950000>;
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <3400000>;
 				regulator-boot-on;
 				regulator-always-on;
 			};
 
 			BUCK6 {
 				regulator-name = "BUCK6";
-				regulator-min-microvolt = <1045000>;
-				regulator-max-microvolt = <1155000>;
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <3400000>;
 				regulator-boot-on;
 				regulator-always-on;
 			};
 
 			LDO1 {
 				regulator-name = "LDO1";
-				regulator-min-microvolt = <1650000>;
-				regulator-max-microvolt = <1950000>;
+				regulator-min-microvolt = <1600000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			LDO2 {
+				regulator-name = "LDO2";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <1150000>;
 				regulator-boot-on;
 				regulator-always-on;
 			};
 
 			LDO3 {
 				regulator-name = "LDO3";
-				regulator-min-microvolt = <1710000>;
-				regulator-max-microvolt = <1890000>;
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo4: LDO4 {
+				regulator-name = "LDO4";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
 				regulator-boot-on;
 				regulator-always-on;
 			};
-- 
2.37.1