feat(stm32mp2-fdts): describe stpmic2 power supplies
Describe PMIC power supplies in STM32MP257F-EV1 board DT file.
Change-Id: I14df5d210909d95b2164197eb910a9ea0aa0b51d
Signed-off-by: Pascal Paillet <p.paillet@st.com>
diff --git a/fdts/stm32mp257f-ev1.dts b/fdts/stm32mp257f-ev1.dts
index 6df1b30..d2b5e55 100644
--- a/fdts/stm32mp257f-ev1.dts
+++ b/fdts/stm32mp257f-ev1.dts
@@ -37,6 +37,131 @@
};
};
+&i2c7 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c7_pins_a>;
+ i2c-scl-rising-time-ns = <185>;
+ i2c-scl-falling-time-ns = <20>;
+ clock-frequency = <400000>;
+ status = "okay";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pmic2: stpmic@33 {
+ compatible = "st,stpmic2";
+ reg = <0x33>;
+ status = "okay";
+
+ regulators {
+ compatible = "st,stpmic2-regulators";
+
+ vddcpu: buck1 {
+ regulator-name = "vddcpu";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <910000>;
+ regulator-always-on;
+ };
+ vddcore: buck2 {
+ regulator-name = "vddcore";
+ regulator-min-microvolt = <820000>;
+ regulator-max-microvolt = <820000>;
+ regulator-always-on;
+ };
+ vddgpu: buck3 {
+ regulator-name = "vddgpu";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <900000>;
+ regulator-always-on;
+ };
+ vddio_pmic: buck4 {
+ regulator-name = "vddio_pmic";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+ v1v8: buck5 {
+ regulator-name = "v1v8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+ vdd_ddr: buck6 {
+ regulator-name = "vdd_ddr";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ };
+ v3v3: buck7 {
+ regulator-name = "v3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+ vdda1v8_aon: ldo1 {
+ regulator-name = "vdda1v8_aon";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+ vdd_emmc: ldo2 {
+ regulator-name = "vdd_emmc";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+ vtt_ddr: ldo3 {
+ regulator-name = "vtt_ddr";
+ st,regulator-sink-source;
+ };
+ vdd3v3_usb: ldo4 {
+ regulator-name = "vdd3v3_usb";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+ vpp_ddr: ldo5 {
+ regulator-name = "vpp_ddr";
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
+ regulator-enable-ramp-delay = <1000>;
+ };
+ vdd_sdcard: ldo7 {
+ regulator-name = "vdd_sdcard";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+ vddio_sdcard: ldo8 {
+ regulator-name = "vddio_sdcard";
+ st,regulator-bypass-microvolt = <3300000>;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+ vref_ddr: refddr {
+ regulator-name = "vref_ddr";
+ };
+ };
+ };
+};
+
+&pwr {
+ vddio1: vddio1 {
+ vddio1-supply = <&vddio_sdcard>;
+ };
+ vddio2: vddio2 {
+ vddio2-supply = <&v1v8>;
+ };
+ vddio3: vddio3 {
+ vddio3-supply = <&vddio_pmic>;
+ };
+ vddio4: vddio4 {
+ vddio4-supply = <&vddio_pmic>;
+ };
+ vddio: vddio {
+ vdd-supply = <&vddio_pmic>;
+ };
+};
+
&sdmmc1 {
pinctrl-names = "default";
pinctrl-0 = <&sdmmc1_b4_pins_a>;