linux-kernel - [PATCH v4 11/11] arch: arm64: dts: ti: k3-am62p5-sk: Add TPS65224 PMIC support in AM62P dts

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Date: Wed, 20 Mar 2024 15:55:59 +0530
From: Bhargav Raviprakash <bhargav.r@...s.com>
To: linux-kernel@...r.kernel.org
Cc: m.nirmaladevi@...s.com,
	lee@...nel.org,
	robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org,
	jpanis@...libre.com,
	devicetree@...r.kernel.org,
	arnd@...db.de,
	gregkh@...uxfoundation.org,
	lgirdwood@...il.com,
	broonie@...nel.org,
	linus.walleij@...aro.org,
	linux-gpio@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	nm@...com,
	vigneshr@...com,
	kristo@...nel.org,
	eblanc@...libre.com,
	Bhargav Raviprakash <bhargav.r@...s.com>
Subject: [PATCH v4 11/11] arch: arm64: dts: ti: k3-am62p5-sk: Add TPS65224 PMIC support in AM62P dts

Add support for TPS65224 PMIC in device tree of AM62P EVM. Adds regulator
configuration, pinmux configurations and pmic device nodes.

Signed-off-by: Bhargav Raviprakash <bhargav.r@...s.com>
---
 arch/arm64/boot/dts/ti/k3-am62p5-sk.dts | 95 +++++++++++++++++++++++++
 1 file changed, 95 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
index 1773c05f7..5d8e4321b 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
@@ -112,6 +112,16 @@ vddshv_sdio: regulator-3 {
 		bootph-all;
 	};
 
+	vcc_3v3_main: regulator-4 {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_3v3_main";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vmain_pd>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
 	leds {
 		compatible = "gpio-leds";
 		pinctrl-names = "default";
@@ -580,6 +590,12 @@ &main_uart1 {
 &mcu_pmx0 {
 	bootph-all;
 
+	pmic_irq_pins_default: pmic-irq-default-pins {
+		pinctrl-single,pins = <
+			AM62PX_MCU_IOPAD(0x000, PIN_INPUT, 7) /* (B10) MCU_GPIO0_0 */
+		>;
+	};
+
 	wkup_uart0_pins_default: wkup-uart0-default-pins {
 		pinctrl-single,pins = <
 			AM62PX_MCU_IOPAD(0x02c, PIN_INPUT, 0)	/* (C7) WKUP_UART0_CTSn */
@@ -589,6 +605,13 @@ AM62PX_MCU_IOPAD(0x028, PIN_OUTPUT, 0)	/* (D7) WKUP_UART0_TXD */
 		>;
 		bootph-all;
 	};
+
+	wkup_i2c0_pins_default: wkup-i2c0-default-pins {
+		pinctrl-single,pins = <
+			AM62PX_MCU_IOPAD(0x04c, PIN_INPUT, 0) /* (A13) WKUP_I2C0_SCL */
+			AM62PX_MCU_IOPAD(0x050, PIN_INPUT, 0) /* (C11) WKUP_I2C0_SDA */
+		>;
+	};
 };
 
 &wkup_uart0 {
@@ -599,6 +622,78 @@ &wkup_uart0 {
 	bootph-all;
 };
 
+&wkup_i2c0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&wkup_i2c0_pins_default>;
+	clock-frequency = <400000>;
+
+	tps65224: pmic@48 {
+		compatible = "ti,tps65224-q1";
+		reg = <0x48>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pmic_irq_pins_default>;
+		interrupt-parent = <&mcu_gpio0>;
+		interrupts = <0 IRQ_TYPE_EDGE_FALLING>;
+		ti,primary-pmic;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		buck12-supply = <&vcc_3v3_main>;
+		buck3-supply = <&vcc_3v3_main>;
+		buck4-supply = <&vcc_3v3_main>;
+
+		ldo1-supply = <&vcc_3v3_main>;
+		ldo2-supply = <&vcc_3v3_main>;
+		ldo3-supply = <&vcc1v8_sys>;
+
+		regulators {
+			vcc_core: buck12 {
+				regulator-name = "vcc_core_buck12";
+				regulator-min-microvolt = <715000>;
+				regulator-max-microvolt = <895000>;
+				regulator-always-on;
+			};
+
+			vcc1v8_sys: buck3 {
+				regulator-name = "vcc1v8_sys_buck3";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			vcc1v1: buck4 {
+				regulator-name = "vcc1v1_buck4";
+				regulator-min-microvolt = <1100000>;
+				regulator-max-microvolt = <1100000>;
+				regulator-always-on;
+			};
+
+			vdda1v8: ldo1 {
+				regulator-name = "vdda1v8_ldo1";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			dvdd3v3: ldo2 {
+				regulator-name = "dvdd3v3_ldo2";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			vcc_0v85: ldo3 {
+				regulator-name = "vcc_0v85_ldo3";
+				regulator-min-microvolt = <850000>;
+				regulator-max-microvolt = <850000>;
+				regulator-always-on;
+			};
+		};
+	};
+};
+
 /* mcu_gpio0 and mcu_gpio_intr are reserved for mcu firmware usage */
 &mcu_gpio0 {
 	status = "reserved";
-- 
2.25.1