Add DTS node for LP87334E PMIC and two TPS6287x high current buck converters. LP87334E is responsible for supplying power to the MCU and MAIN domains as well as to LPDDR4. The two TPS6287x supply power to the MAIN domain for AVS and other core supplies. Signed-off-by: Neha Malcom Francis <n-francis@xxxxxx> Link: https://www.ti.com/lit/pdf/slda060 --- .../boot/dts/ti/k3-am68-sk-base-board.dts | 76 +++++++++++++++++++ 1 file changed, 76 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts index d743f023cdd9..90dbe31c5b81 100644 --- a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts @@ -414,6 +414,82 @@ &wkup_uart0 { pinctrl-0 = <&wkup_uart0_pins_default>; }; +&wkup_i2c0 { + bootph-all; + clock-frequency = <400000>; + pinctrl-names = "default"; + pinctrl-0 = <&wkup_i2c0_pins_default>; + status = "okay"; + + lp8733: pmic@60 { + compatible = "ti,lp8733"; + reg = <0x60>; + buck0-in-supply = <&vsys_3v3>; + buck1-in-supply = <&vsys_3v3>; + ldo0-in-supply = <&vsys_3v3>; + ldo1-in-supply = <&vsys_3v3>; + + lp8733_regulators: regulators { + lp8733_buck0_reg: buck0 { + /* FB_B0 -> LP8733-BUCK1 - VDD_MCU_0V85 */ + regulator-name = "lp8733-buck0"; + regulator-min-microvolt = <850000>; + regulator-max-microvolt = <850000>; + regulator-always-on; + regulator-boot-on; + }; + + lp8733_buck1_reg: buck1 { + /* FB_B1 -> LP8733-BUCK2 - VDD_DDR_1V1 */ + regulator-name = "lp8733-buck1"; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1100000>; + regulator-always-on; + regulator-boot-on; + }; + + lp8733_ldo0_reg: ldo0 { + /* LDO0 -> LP8733-LDO1 - VDA_DLL_0V8 */ + regulator-name = "lp8733-ldo0"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <800000>; + regulator-boot-on; + regulator-always-on; + }; + + lp8733_ldo1_reg: ldo1 { + /* LDO1 -> LP8733-LDO2 - VDA_LN_1V8 */ + regulator-name = "lp8733-ldo1"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + regulator-boot-on; + }; + }; + }; + + tps62873a: regulator@40 { + compatible = "ti,tps62873"; + reg = <0x40>; + bootph-pre-ram; + regulator-name = "VDD_CPU_AVS"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <900000>; + regulator-boot-on; + regulator-always-on; + }; + + tps62873b: regulator@43 { + compatible = "ti,tps62873"; + reg = <0x43>; + regulator-name = "VDD_CORE_0V8"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <800000>; + regulator-boot-on; + regulator-always-on; + }; +}; + &mcu_uart0 { status = "okay"; pinctrl-names = "default"; -- 2.34.1
