github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-31 18:43:33 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

arm64: dts: ti: k3-am62d2-evm: Enable PMIC

Browse Source 
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 <p-bhagat@ti.com>
Reviewed-by: Shree Ramamoorthy <s-ramamoorthy@ti.com>
Link: https://patch.msgid.link/20251028213645.437957-3-p-bhagat@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Paresh Bhagat 2025-10-29 03:06:45 +05:30 committed by Vignesh Raghavendra
parent 394b02210a
commit 50856649d6
1 changed files with 91 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

91
arch/arm64/boot/dts/ti/k3-am62d2-evm.dts
View File

@ -214,6 +214,14 @@ AM62DX_MCU_IOPAD(0x0030, PIN_OUTPUT, 0) /* (C8) WKUP_UART0_RTSn */
>;
bootph-all;
};
wkup_i2c0_pins_default: wkup-i2c0-default-pins {
pinctrl-single,pins = <
AM62DX_MCU_IOPAD(0x004c, PIN_INPUT, 0) /* (D13) WKUP_I2C0_SCL */
AM62DX_MCU_IOPAD(0x0050, PIN_INPUT, 0) /* (E13) WKUP_I2C0_SDA */
>;
bootph-all;
};
};
/* WKUP UART0 is used for DM firmware logs */
@ -464,6 +472,89 @@ &main_i2c2 {
status = "okay";
};
&wkup_i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&wkup_i2c0_pins_default>;
clock-frequency = <400000>;
status = "okay";
tps65224: pmic@48 {
compatible = "ti,tps65224-q1";
reg = <0x48>;
pinctrl-names = "default";
pinctrl-0 = <&pmic_irq_pins_default>;
interrupt-parent = <&main_gpio1>;
interrupts = <31 IRQ_TYPE_EDGE_FALLING>;
ti,primary-pmic;
gpio-controller;
#gpio-cells = <2>;
buck12-supply = <&vcc_3v3_sys>;
buck3-supply = <&vcc_3v3_sys>;
buck4-supply = <&vcc_3v3_sys>;
ldo1-supply = <&vcc_3v3_sys>;
ldo2-supply = <&vcc_3v3_sys>;
ldo3-supply = <&vcc_3v3_sys>;
regulators {
buck12: buck12 {
regulator-name = "vdd_core";
regulator-min-microvolt = <850000>;
regulator-max-microvolt = <850000>;
regulator-boot-on;
regulator-always-on;
bootph-all;
};
buck3: buck3 {
regulator-name = "dvdd1v8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-boot-on;
regulator-always-on;
bootph-all;
};
buck4: buck4 {
regulator-name = "vdds_ddr";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
regulator-boot-on;
regulator-always-on;
bootph-all;
};
ldo1: ldo1 {
regulator-name = "vdda_1v8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-boot-on;
regulator-always-on;
bootph-all;
};
ldo2: ldo2 {
regulator-name = "dvdd3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
bootph-all;
};
ldo3: ldo3 {
regulator-name = "vddr_core";
regulator-min-microvolt = <850000>;
regulator-max-microvolt = <850000>;
regulator-boot-on;
regulator-always-on;
bootph-all;
};
};
};
};
&sdhci0 {
/* eMMC */
non-removable;