Add support for TPS65224 PMIC in device tree of AM62P EVM. Adds
regulator configuration, pinmux configurations and pmic device nodes.
Signed-off-by: Bhargav Raviprakash <bhargav.r@xxxxxxxx>
---
arch/arm64/boot/dts/ti/k3-am62p5-sk.dts | 95 +++++++++++++++++++++++++
1 file changed, 95 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
index 1773c05f7..5d8e4321b 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
@@ -112,6 +112,16 @@ vddshv_sdio: regulator-3 {
bootph-all;
};
+ vcc_3v3_main: regulator-4 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_3v3_main";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vmain_pd>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
@@ -580,6 +590,12 @@ &main_uart1 {
&mcu_pmx0 {
bootph-all;
+ pmic_irq_pins_default: pmic-irq-default-pins {
+ pinctrl-single,pins = <
+ AM62PX_MCU_IOPAD(0x000, PIN_INPUT, 7) /* (B10) MCU_GPIO0_0 */
+ >;
+ };
+
wkup_uart0_pins_default: wkup-uart0-default-pins {
pinctrl-single,pins = <
AM62PX_MCU_IOPAD(0x02c, PIN_INPUT, 0) /* (C7) WKUP_UART0_CTSn */
@@ -589,6 +605,13 @@ AM62PX_MCU_IOPAD(0x028, PIN_OUTPUT, 0) /* (D7) WKUP_UART0_TXD */
>;
bootph-all;
};
+
+ wkup_i2c0_pins_default: wkup-i2c0-default-pins {
+ pinctrl-single,pins = <
+ AM62PX_MCU_IOPAD(0x04c, PIN_INPUT, 0) /* (A13) WKUP_I2C0_SCL */
+ AM62PX_MCU_IOPAD(0x050, PIN_INPUT, 0) /* (C11) WKUP_I2C0_SDA */
+ >;
+ };
};
&wkup_uart0 {
@@ -599,6 +622,78 @@ &wkup_uart0 {
bootph-all;
};
+&wkup_i2c0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&wkup_i2c0_pins_default>;
+ clock-frequency = <400000>;
+
+ tps65224: pmic@48 {
+ compatible = "ti,tps65224-q1";
+ reg = <0x48>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pmic_irq_pins_default>;
+ interrupt-parent = <&mcu_gpio0>;
+ interrupts = <0 IRQ_TYPE_EDGE_FALLING>;
+ ti,primary-pmic;
+
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ buck12-supply = <&vcc_3v3_main>;
+ buck3-supply = <&vcc_3v3_main>;
+ buck4-supply = <&vcc_3v3_main>;
+
+ ldo1-supply = <&vcc_3v3_main>;
+ ldo2-supply = <&vcc_3v3_main>;
+ ldo3-supply = <&vcc1v8_sys>;
+
+ regulators {
+ vcc_core: buck12 {
+ regulator-name = "vcc_core_buck12";
+ regulator-min-microvolt = <715000>;
+ regulator-max-microvolt = <895000>;
+ regulator-always-on;
+ };
+
+ vcc1v8_sys: buck3 {
+ regulator-name = "vcc1v8_sys_buck3";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ vcc1v1: buck4 {
+ regulator-name = "vcc1v1_buck4";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-always-on;
+ };
+
+ vdda1v8: ldo1 {
+ regulator-name = "vdda1v8_ldo1";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ dvdd3v3: ldo2 {
+ regulator-name = "dvdd3v3_ldo2";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ vcc_0v85: ldo3 {
+ regulator-name = "vcc_0v85_ldo3";
+ regulator-min-microvolt = <850000>;
+ regulator-max-microvolt = <850000>;
+ regulator-always-on;
+ };
+ };
+ };
+};
+
/* mcu_gpio0 and mcu_gpio_intr are reserved for mcu firmware usage */
&mcu_gpio0 {
status = "reserved";
--
2.25.1
