arm64: dts: st: add stm32mp215f-dk board support

Add STM32MP215F Discovery Kit board support. It embeds a STM32MP235FAN SoC,
with 2GB of LPDDR4, 1*USB2 peripheral bus powered typeC, 1*ETH, wifi/BT
combo, LCD 18bit connector, CSI camera connector, ...

Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250225-b4-stm32mp2_new_dts-v2-10-1a628c1580c7@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>

diff --git a/arch/arm64/boot/dts/st/Makefile b/arch/arm64/boot/dts/st/Makefile
index 06364152206997863d0991c25589de73c63494fb..63908113ae36ba19378ac1fedc0309ef46555f17 100644 (file)
--- a/arch/arm64/boot/dts/st/Makefile
+++ b/arch/arm64/boot/dts/st/Makefile
@@ -1,5 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-only
 dtb-$(CONFIG_ARCH_STM32) += \
+       stm32mp215f-dk.dtb \
        stm32mp235f-dk.dtb \
        stm32mp257f-dk.dtb \
        stm32mp257f-ev1.dtb

diff --git a/arch/arm64/boot/dts/st/stm32mp215f-dk.dts b/arch/arm64/boot/dts/st/stm32mp215f-dk.dts
new file mode 100644 (file)
index 0000000..7bdaeaa
--- /dev/null
+++ b/arch/arm64/boot/dts/st/stm32mp215f-dk.dts
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+/*
+ * Copyright (C) STMicroelectronics 2025 - All Rights Reserved
+ * Author: Amelie Delaunay <amelie.delaunay@foss.st.com> for STMicroelectronics.
+ */
+
+/dts-v1/;
+
+#include "stm32mp215.dtsi"
+#include "stm32mp21xf.dtsi"
+
+/ {
+       model = "STMicroelectronics STM32MP215F-DK Discovery Board";
+       compatible = "st,stm32mp215f-dk", "st,stm32mp215";
+
+       aliases {
+               serial0 = &usart2;
+       };
+
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+
+       memory@80000000 {
+               device_type = "memory";
+               reg = <0x0 0x80000000 0x0 0x80000000>;
+       };
+
+       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 {
+       status = "okay";
+};