[PATCH RFC 03/10] arm: dts: k3-j721s2-r5-common-proc-board: Add ESM PMIC and dependent nodes

[Keerthy]

PMIC ESM is part of tps6594x PMIC and connected to WKUP_I2C instance.

Signed-off-by: Keerthy <j-keerthy at ti.com>
---
 .../dts/k3-j721s2-r5-common-proc-board.dts    | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/arch/arm/dts/k3-j721s2-r5-common-proc-board.dts b/arch/arm/dts/k3-j721s2-r5-common-proc-board.dts
index c74e8e58ae..629706aaf1 100644
--- a/arch/arm/dts/k3-j721s2-r5-common-proc-board.dts
+++ b/arch/arm/dts/k3-j721s2-r5-common-proc-board.dts
@@ -142,6 +142,14 @@
 			J721S2_WKUP_IOPAD(0x0b4, PIN_OUTPUT, 0) /* (D27) WKUP_UART0_TXD */
 		>;
 	};
+
+	wkup_i2c0_pins_default: wkup-i2c0-pins-default {
+		bootph-pre-ram;
+		pinctrl-single,pins = <
+			J721S2_WKUP_IOPAD(0x100, PIN_INPUT, 0) /* (H24) WKUP_I2C0_SCL */
+			J721S2_WKUP_IOPAD(0x104, PIN_INPUT, 0) /* (H27) WKUP_I2C0_SDA */
+		>;
+	};
 };
 
 &sms {
@@ -197,4 +205,35 @@
 	ti,sci = <&dm_tifs>;
 };
 
+&wkup_i2c0 {
+	bootph-pre-ram;
+	pinctrl-names = "default";
+	pinctrl-0 = <&wkup_i2c0_pins_default>;
+	clock-frequency = <400000>;
+
+	tps659413: tps659413 at 48 {
+		compatible = "ti,tps659413";
+		reg = <0x48>;
+		bootph-pre-ram;
+
+		regulators: regulators {
+			bootph-pre-ram;
+			buck1234_reg: buck1234 {
+				/*VDD_CPU_AVS*/
+				regulator-name = "buck1234";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <900000>;
+				regulator-always-on;
+				regulator-boot-on;
+				bootph-pre-ram;
+			};
+		};
+
+		esm: esm {
+			compatible = "ti,tps659413-esm";
+			bootph-pre-ram;
+		};
+	};
+};
+
 #include "k3-j721s2-common-proc-board-u-boot.dtsi"
-- 
2.17.1