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Date: Mon, 13 Jun 2022 11:06:04 +0200
From: Jerome NEANNE <jneanne@...libre.com>
To: lgirdwood@...il.com, broonie@...nel.org, robh+dt@...nel.org,
nm@...com, kristo@...nel.org, will@...nel.org,
lee.jones@...aro.org, jneanne@...libre.com
Cc: khilman@...libre.com, narmstrong@...libre.com, msp@...libre.com,
j-keerthy@...com, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [RFC PATCH 5/5] arm64: dts: ti: Add TI TPS65219 PMIC support for AM642 SK board.
Add support fot the TI Power Management IC TPS65219
on the AM642 SKEVM board
Signed-off-by: Jerome NEANNE <jneanne@...libre.com>
---
arch/arm64/boot/dts/ti/k3-am642-sk.dts | 102 +++++++++++++++++++++++++
1 file changed, 102 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
index 8424cd071955..7886bb109160 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
@@ -69,6 +69,20 @@
vin-supply = <&vcc_3v3_sys>;
gpio = <&exp1 3 GPIO_ACTIVE_HIGH>;
};
+
+ vsel_sd_nddr: gpio-regulator {
+ compatible = "regulator-gpio";
+ pinctrl-names = "default";
+ pinctrl-0 = <&vsel_sd_nddr_pins_default>;
+ regulator-name = "tps65219-LDO1-SEL-SD";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ vin-supply = <&ldo1_reg>;
+ gpios = <&main_gpio0 45 GPIO_ACTIVE_HIGH>;
+ states = <1800000 0x0>,
+ <3300000 0x1>;
+ };
};
&main_pmx0 {
@@ -85,6 +99,13 @@
>;
};
+ main_i2c0_pins_default: main-i2c0-pins-default {
+ pinctrl-single,pins = <
+ AM64X_IOPAD(0x0260, PIN_INPUT_PULLUP, 0) /* (A18) I2C0_SCL */
+ AM64X_IOPAD(0x0264, PIN_INPUT_PULLUP, 0) /* (B18) I2C0_SDA */
+ >;
+ };
+
main_i2c1_pins_default: main-i2c1-pins-default {
pinctrl-single,pins = <
AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */
@@ -148,6 +169,12 @@
AM64X_IOPAD(0x0008, PIN_INPUT, 0) /* (N19) OSPI0_DQS */
>;
};
+
+ vsel_sd_nddr_pins_default: vsel-sd-nddr-pins-default {
+ pinctrl-single,pins = <
+ AM64X_IOPAD(0x00b4, PIN_OUTPUT, 0) /* (45x4=0xb4) WKUP_GPIO0_45 */
+ >;
+ };
};
&mcu_uart0 {
@@ -191,6 +218,81 @@
status = "disabled";
};
+&main_i2c0 {
+ pinctrl-nammain-i2c0-pins-defaultes = "default";
+ pinctrl-0 = <&main_i2c0_pins_default>;
+ clock-frequency = <400000>;
+ status = "okay";
+
+ tps65219: pmic@30 {
+ compatible = "ti,tps65219";
+ reg = <0x30>;
+ buck1-supply = <&vcc_3v3_sys>;
+ buck2-supply = <&vcc_3v3_sys>;
+ buck3-supply = <&vcc_3v3_sys>;
+ ldo1-supply = <&vcc_3v3_sys>;
+ ldo2-supply = <&buck2_reg>;
+ ldo3-supply = <&vcc_3v3_sys>;
+ ldo4-supply = <&vcc_3v3_sys>;
+
+ regulators {
+ buck1_reg: buck1 {
+ regulator-name = "VDD_CORE";
+ regulator-min-microvolt = <750000>;
+ regulator-max-microvolt = <1000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ buck2_reg: buck2 {
+ regulator-name = "VCC1V8";
+ regulator-min-microvolt = <1700000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ buck3_reg: buck3 {
+ regulator-name = "VDD_LPDDR4";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo1_reg: ldo1 {
+ regulator-name = "VDDSHV_SD_IO_PMIC";
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-allow-bypass;
+ };
+
+ ldo2_reg: ldo2 {
+ regulator-name = "VDDAR_CORE";
+ regulator-min-microvolt = <850000>;
+ regulator-max-microvolt = <850000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo3_reg: ldo3 {
+ regulator-name = "VDDA_1V8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo4_reg: ldo4 {
+ regulator-name = "VDD_PHY_2V5";
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ };
+ };
+};
&main_i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&main_i2c1_pins_default>;
--
2.17.1
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