feat(stm32mp2-fdts): add STM32MP257F-DK board support
Add STM32MP257F Discovery board support. It embeds a STM32MP257FAL SoC,
with 2GB of LPDDR4, 2*USB typeA, 1*USB3 typeC, 1*ETH, wifi/BT combo,
DSI HDMI, LVDS connector ...
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Signed-off-by: Olivier BIDEAU <olivier.bideau@st.com>
Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
Signed-off-by: Maxime Méré <maxime.mere@foss.st.com>
Change-Id: I95bb84b00eafce8031f26f7243ecc0fce843d170
diff --git a/fdts/stm32mp257f-dk.dts b/fdts/stm32mp257f-dk.dts
new file mode 100644
index 0000000..ae18d6a
--- /dev/null
+++ b/fdts/stm32mp257f-dk.dts
@@ -0,0 +1,206 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (C) STMicroelectronics 2025 - All Rights Reserved
+ * Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics.
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/clock/stm32mp25-clksrc.h>
+#include "stm32mp257.dtsi"
+#include "stm32mp25xf.dtsi"
+#include "stm32mp257f-dk-ca35tdcid-rcc.dtsi"
+#include "stm32mp25-lpddr4-1x32Gbits-1x32bits-1200MHz.dtsi"
+#include "stm32mp25-pinctrl.dtsi"
+#include "stm32mp25xxal-pinctrl.dtsi"
+
+/ {
+ model = "STMicroelectronics STM32MP257F-DK Discovery Board";
+ compatible = "st,stm32mp257f-dk", "st,stm32mp257";
+
+ aliases {
+ serial0 = &usart2;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x0 0x80000000 0x1 0x00000000>;
+ };
+
+ shadow-prov {
+ compatible = "st,provisioning";
+
+ hconf1_prov {
+ nvmem-cells = <&hconf1_otp>;
+ st,shadow-value = <0x00018000>;
+ };
+ };
+};
+
+&bsec {
+ board_id: board-id@3d8 {
+ reg = <0x3d8 0x4>;
+ };
+};
+
+&ddr {
+ vdd1-supply = <&vdd1_ddr>;
+ vdd2-supply = <&vdd2_ddr>;
+ vddq-supply = <&vdd2_ddr>;
+};
+
+&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;
+ };
+ vdd2_ddr: buck6 {
+ regulator-name = "vdd2_ddr";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1100000>;
+ };
+ 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;
+ };
+ vdd1_ddr: ldo3 {
+ regulator-name = "vdd1_ddr";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-enable-ramp-delay = <1000>;
+ };
+ vdd3v3_usb: ldo4 {
+ regulator-name = "vdd3v3_usb";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+ v5v_hdmi: ldo5 {
+ regulator-name = "v5v_hdmi";
+ regulator-min-microvolt = <2000000>;
+ regulator-max-microvolt = <2000000>;
+ };
+ 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;
+ };
+ };
+ };
+};
+
+&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_b>;
+ st,neg-edge;
+ bus-width = <4>;
+ vmmc-supply = <&vdd_sdcard>;
+ vqmmc-supply = <&vddio1>;
+ status = "okay";
+};
+
+&sdmmc2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_a>;
+ non-removable;
+ no-sd;
+ no-sdio;
+ st,neg-edge;
+ bus-width = <8>;
+ vmmc-supply = <&vdd_emmc>;
+ vqmmc-supply = <&vddio2>;
+ status = "okay";
+};
+
+&usart2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&usart2_pins_a>;
+ status = "okay";
+};