ARM: dts: stm32: Add STM32MP257F Evaluation board support
Add STM32MP257F Evaluation board support. It embeds a STM32MP257FAI SoC,
with 4GB of DDR4, TSN switch (2+1 ports), 2*USB typeA, 1*USB2 typeC,
SNOR OctoSPI, mini PCIe, STPMIC2 for power distribution ...
Sync device tree with kernel v6.6-rc1.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
diff --git a/arch/arm/dts/stm32mp257f-ev1.dts b/arch/arm/dts/stm32mp257f-ev1.dts
new file mode 100644
index 0000000..a88494e
--- /dev/null
+++ b/arch/arm/dts/stm32mp257f-ev1.dts
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause)
+/*
+ * Copyright (C) STMicroelectronics 2023 - All Rights Reserved
+ * Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics.
+ */
+
+/dts-v1/;
+
+#include "stm32mp257.dtsi"
+#include "stm32mp25xf.dtsi"
+#include "stm32mp25-pinctrl.dtsi"
+#include "stm32mp25xxai-pinctrl.dtsi"
+
+/ {
+ model = "STMicroelectronics STM32MP257F-EV1 Evaluation Board";
+ compatible = "st,stm32mp257f-ev1", "st,stm32mp257";
+
+ aliases {
+ serial0 = &usart2;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x0 0x80000000 0x1 0x0>;
+ };
+
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ fw@80000000 {
+ compatible = "shared-dma-pool";
+ reg = <0x0 0x80000000 0x0 0x4000000>;
+ no-map;
+ };
+ };
+};
+
+&arm_wdt {
+ timeout-sec = <32>;
+ status = "okay";
+};
+
+&usart2 {
+ pinctrl-names = "default", "idle", "sleep";
+ pinctrl-0 = <&usart2_pins_a>;
+ pinctrl-1 = <&usart2_idle_pins_a>;
+ pinctrl-2 = <&usart2_sleep_pins_a>;
+ status = "okay";
+};