linux-kernel - [RFC PATCH 5/5] arm64: dts: ti: Add TI TPS65219 PMIC support for AM642 SK board.

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Message-Id: <20220613090604.9975-6-jneanne@baylibre.com>
Date:   Mon, 13 Jun 2022 11:06:04 +0200
From:   Jerome NEANNE <jneanne@...libre.com>
To:     lgirdwood@...il.com, broonie@...nel.org, robh+dt@...nel.org,
        nm@...com, kristo@...nel.org, will@...nel.org,
        lee.jones@...aro.org, jneanne@...libre.com
Cc:     khilman@...libre.com, narmstrong@...libre.com, msp@...libre.com,
        j-keerthy@...com, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [RFC PATCH 5/5] arm64: dts: ti: Add TI TPS65219 PMIC support for AM642 SK board.

Add support fot the TI Power Management IC TPS65219
on the AM642 SKEVM board

Signed-off-by: Jerome NEANNE <jneanne@...libre.com>
---
 arch/arm64/boot/dts/ti/k3-am642-sk.dts | 102 +++++++++++++++++++++++++
 1 file changed, 102 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
index 8424cd071955..7886bb109160 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
@@ -69,6 +69,20 @@
 		vin-supply = <&vcc_3v3_sys>;
 		gpio = <&exp1 3 GPIO_ACTIVE_HIGH>;
 	};
+
+	vsel_sd_nddr: gpio-regulator {
+		compatible = "regulator-gpio";
+		pinctrl-names = "default";
+		pinctrl-0 = <&vsel_sd_nddr_pins_default>;
+		regulator-name = "tps65219-LDO1-SEL-SD";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+		vin-supply = <&ldo1_reg>;
+		gpios = <&main_gpio0 45 GPIO_ACTIVE_HIGH>;
+		states = <1800000 0x0>,
+			 <3300000 0x1>;
+	};
 };
 
 &main_pmx0 {
@@ -85,6 +99,13 @@
 		>;
 	};
 
+	main_i2c0_pins_default: main-i2c0-pins-default {
+		pinctrl-single,pins = <
+			AM64X_IOPAD(0x0260, PIN_INPUT_PULLUP, 0) /* (A18) I2C0_SCL */
+			AM64X_IOPAD(0x0264, PIN_INPUT_PULLUP, 0) /* (B18) I2C0_SDA */
+		>;
+	};
+
 	main_i2c1_pins_default: main-i2c1-pins-default {
 		pinctrl-single,pins = <
 			AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */
@@ -148,6 +169,12 @@
 			AM64X_IOPAD(0x0008, PIN_INPUT, 0) /* (N19) OSPI0_DQS */
 		>;
 	};
+
+	vsel_sd_nddr_pins_default: vsel-sd-nddr-pins-default {
+		pinctrl-single,pins = <
+			AM64X_IOPAD(0x00b4, PIN_OUTPUT, 0) /* (45x4=0xb4) WKUP_GPIO0_45 */
+		>;
+	};
 };
 
 &mcu_uart0 {
@@ -191,6 +218,81 @@
 	status = "disabled";
 };
 
+&main_i2c0 {
+	pinctrl-nammain-i2c0-pins-defaultes = "default";
+	pinctrl-0 = <&main_i2c0_pins_default>;
+	clock-frequency = <400000>;
+	status = "okay";
+
+	tps65219: pmic@30 {
+		compatible = "ti,tps65219";
+		reg = <0x30>;
+		buck1-supply = <&vcc_3v3_sys>;
+		buck2-supply = <&vcc_3v3_sys>;
+		buck3-supply = <&vcc_3v3_sys>;
+		ldo1-supply = <&vcc_3v3_sys>;
+		ldo2-supply = <&buck2_reg>;
+		ldo3-supply = <&vcc_3v3_sys>;
+		ldo4-supply = <&vcc_3v3_sys>;
+
+		regulators {
+			buck1_reg: buck1 {
+				regulator-name = "VDD_CORE";
+				regulator-min-microvolt = <750000>;
+				regulator-max-microvolt = <1000000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			buck2_reg: buck2 {
+				regulator-name = "VCC1V8";
+				regulator-min-microvolt = <1700000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			buck3_reg: buck3 {
+				regulator-name = "VDD_LPDDR4";
+				regulator-min-microvolt = <1100000>;
+				regulator-max-microvolt = <1100000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo1_reg: ldo1 {
+				regulator-name = "VDDSHV_SD_IO_PMIC";
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-allow-bypass;
+			};
+
+			ldo2_reg: ldo2 {
+				regulator-name = "VDDAR_CORE";
+				regulator-min-microvolt = <850000>;
+				regulator-max-microvolt = <850000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo3_reg: ldo3 {
+				regulator-name = "VDDA_1V8";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo4_reg: ldo4 {
+				regulator-name = "VDD_PHY_2V5";
+				regulator-min-microvolt = <2500000>;
+				regulator-max-microvolt = <2500000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+		};
+	};
+};
 &main_i2c1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&main_i2c1_pins_default>;
-- 
2.17.1