[PATCH 03/14] arm64: dts: freescale: imx93-tqma9352: Add PMIC node

Alexander Stein
2024-07-24T13:01:00Z

With driver support in place add the PMIC node and remove the
fixed-regulators for rails provided by PMIC.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
---
.../boot/dts/freescale/imx93-tqma9352.dtsi | 113 ++++++++++++++----
1 file changed, 92 insertions(+), 21 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi b/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
index d07eca6526db..ddb4f452ba2d 100644
--- a/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
@@ -25,20 +25,6 @@ linux,cma {
};
};

- reg_v1v8: regulator-v1v8 {
- compatible = "regulator-fixed";
- regulator-name = "V_1V8";
- regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <1800000>;
- };
-
- reg_v3v3: regulator-v3v3 {
- compatible = "regulator-fixed";
- regulator-name = "V_3V3";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
- };
-
/* SD2 RST# via PMIC SW_EN */
reg_usdhc2_vmmc: regulator-usdhc2 {
compatible = "regulator-fixed";
@@ -47,14 +33,14 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
regulator-name = "VSD_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
- vin-supply = <&reg_v3v3>;
+ vin-supply = <&buck4>;
gpio = <&gpio3 7 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
};

&adc1 {
- vref-supply = <&reg_v1v8>;
+ vref-supply = <&buck5>;
};

&flexspi1 {
@@ -105,6 +91,91 @@ se97_som: temperature-sensor@1b {
reg = <0x1b>;
};

+ pca9451a: pmic@25 {
+ compatible = "nxp,pca9451a";
+ reg = <0x25>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pca9451>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
+
+ regulators {
+ /* V_0V8_SOC - hw developer guide: 0.75 .. 0.9 */
+ buck1: BUCK1 {
+ regulator-name = "BUCK1";
+ regulator-min-microvolt = <750000>;
+ regulator-max-microvolt = <900000>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <3125>;
+ };
+
+ /* V_DDRQ - 1.1 LPDDR4 or 0.6 LPDDR4X */
+ buck2: BUCK2 {
+ regulator-name = "BUCK2";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <3125>;
+ };
+
+ /* V_3V3 - EEPROM, RTC, ... */
+ buck4: BUCK4{
+ regulator-name = "BUCK4";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ /* V_1V8 - SPI NOR, eMMC, RAM VDD1... */
+ buck5: BUCK5{
+ regulator-name = "BUCK5";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ /* V_1V1 - RAM VDD2*/
+ buck6: BUCK6 {
+ regulator-name = "BUCK6";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ /* V_1V8_BBSM, fix 1.8 */
+ ldo1: LDO1 {
+ regulator-name = "LDO1";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ /* V_0V8_ANA */
+ ldo4: LDO4 {
+ regulator-name = "LDO4";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ /* V_SD2 - 3.3/1.8V USDHC2 io Voltage */
+ ldo5: LDO5 {
+ regulator-name = "LDO5";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ };
+ };
+
pcf85063: rtc@51 {
compatible = "nxp,pcf85063a";
reg = <0x51>;
@@ -116,28 +187,28 @@ eeprom0: eeprom@53 {
reg = <0x53>;
pagesize = <16>;
read-only;
- vcc-supply = <&reg_v3v3>;
+ vcc-supply = <&buck4>;
};

eeprom1: eeprom@57 {
compatible = "atmel,24c64";
reg = <0x57>;
pagesize = <32>;
- vcc-supply = <&reg_v3v3>;
+ vcc-supply = <&buck4>;
};

/* protectable identification memory (part of M24C64-D @57) */
eeprom@5f {
compatible = "atmel,24c64d-wl";
reg = <0x5f>;
- vcc-supply = <&reg_v3v3>;
+ vcc-supply = <&buck4>;
};

imu@6a {
compatible = "st,ism330dhcx";
reg = <0x6a>;
- vdd-supply = <&reg_v3v3>;
- vddio-supply = <&reg_v3v3>;
+ vdd-supply = <&buck4>;
+ vddio-supply = <&buck4>;
};
};

--
2.34.1