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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Oct 2025 21:37:38.2717 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b541fcb5-8e1f-46cd-9de5-08de166a3751 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.195];Helo=[lewvzet201.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000FCC3.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR10MB5579 Content-Type: text/plain; charset="utf-8" Add support for TPS65224 PMIC family on wakeup I2C0 bus. This device provides regulators (bucks and LDOs), along with GPIOs, and monitors SOC's MCU error signal. Signed-off-by: Paresh Bhagat Reviewed-by: Shree Ramamoorthy --- arch/arm64/boot/dts/ti/k3-am62d2-evm.dts | 91 ++++++++++++++++++++++++ 1 file changed, 91 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts b/arch/arm64/boot/dts= /ti/k3-am62d2-evm.dts index 9a74df221f2a..155abd97b799 100644 --- a/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts @@ -214,6 +214,14 @@ AM62DX_MCU_IOPAD(0x0030, PIN_OUTPUT, 0) /* (C8) WKUP_U= ART0_RTSn */ >; bootph-all; }; + + wkup_i2c0_pins_default: wkup-i2c0-default-pins { + pinctrl-single,pins =3D < + AM62DX_MCU_IOPAD(0x004c, PIN_INPUT, 0) /* (D13) WKUP_I2C0_SCL */ + AM62DX_MCU_IOPAD(0x0050, PIN_INPUT, 0) /* (E13) WKUP_I2C0_SDA */ + >; + bootph-all; + }; }; =20 /* WKUP UART0 is used for DM firmware logs */ @@ -464,6 +472,89 @@ &main_i2c2 { status =3D "okay"; }; =20 +&wkup_i2c0 { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&wkup_i2c0_pins_default>; + clock-frequency =3D <400000>; + status =3D "okay"; + + tps65224: pmic@48 { + compatible =3D "ti,tps65224-q1"; + reg =3D <0x48>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pmic_irq_pins_default>; + interrupt-parent =3D <&main_gpio1>; + interrupts =3D <31 IRQ_TYPE_EDGE_FALLING>; + ti,primary-pmic; + + gpio-controller; + #gpio-cells =3D <2>; + + buck12-supply =3D <&vcc_3v3_sys>; + buck3-supply =3D <&vcc_3v3_sys>; + buck4-supply =3D <&vcc_3v3_sys>; + ldo1-supply =3D <&vcc_3v3_sys>; + ldo2-supply =3D <&vcc_3v3_sys>; + ldo3-supply =3D <&vcc_3v3_sys>; + + regulators { + buck12: buck12 { + regulator-name =3D "vdd_core"; + regulator-min-microvolt =3D <850000>; + regulator-max-microvolt =3D <850000>; + regulator-boot-on; + regulator-always-on; + bootph-all; + }; + + buck3: buck3 { + regulator-name =3D "dvdd1v8"; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <1800000>; + regulator-boot-on; + regulator-always-on; + bootph-all; + }; + + buck4: buck4 { + regulator-name =3D "vdds_ddr"; + regulator-min-microvolt =3D <1100000>; + regulator-max-microvolt =3D <1100000>; + regulator-boot-on; + regulator-always-on; + bootph-all; + }; + + ldo1: ldo1 { + regulator-name =3D "vdda_1v8"; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <1800000>; + regulator-boot-on; + regulator-always-on; + bootph-all; + }; + + ldo2: ldo2 { + regulator-name =3D "dvdd3v3"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + regulator-boot-on; + regulator-always-on; + bootph-all; + }; + + ldo3: ldo3 { + regulator-name =3D "vddr_core"; + regulator-min-microvolt =3D <850000>; + regulator-max-microvolt =3D <850000>; + regulator-boot-on; + regulator-always-on; + bootph-all; + }; + }; + }; +}; + &sdhci0 { /* eMMC */ non-removable; --=20 2.34.1