PMIC ESM is part of tps6594x PMIC and connected to WKUP_I2C instance.
Signed-off-by: Keerthy j-keerthy@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@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"