arm64: dts: adi: Add support for ADSP-SC598 eval boards

Add support for the ADSP-SC59x SoC, EV-SC598-SOM and EV-SOMCRR-EZKIT

Co-developed-by: Nathan Barrett-Morrison <[email protected]>
Signed-off-by: Nathan Barrett-Morrison <[email protected]>
Co-developed-by: Greg Malysa <[email protected]>
Signed-off-by: Greg Malysa <[email protected]>
Signed-off-by: Arturs Artamonovs <[email protected]>
Signed-off-by: Philip Molloy <[email protected]>

Author: artursartamonovsadi

arch/arm64/boot/dts/Makefile

@@ -1,5 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 subdir-y += actions
+subdir-y += adi
 subdir-y += airoha
 subdir-y += allwinner
 subdir-y += altera

arch/arm64/boot/dts/adi/Makefile

@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_SC59X_64) += sc598-som-ezkit.dtb

arch/arm64/boot/dts/adi/sc598-som-ezkit.dts

@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2021-2024 - Analog Devices Inc.
+ * Author: Nathan Barrett-Morrison <[email protected]>
+ */
+
+/dts-v1/;
+
+#include "sc598-som.dtsi"
+
+/ {
+	model = "ADI 64-bit SC598 SOM EZ Kit";
+	compatible = "adi,sc598-som-ezkit", "adi,sc59x-64";
+};

arch/arm64/boot/dts/adi/sc598-som.dtsi

@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2021-2024 - Analog Devices Inc.
+ * Author: Nathan Barrett-Morrison <[email protected]>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/adi-adsp.h>
+#include "sc59x-64.dtsi"
+
+/ {
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+		bootargs = "mem=224M";
+	};
+
+	memory@90000000 {
+		device_type = "memory";
+		reg = <0x90000000 0x0e000000>;
+	};
+
+	memory@20040000 {
+		device_type = "memory";
+		reg = <0x20040000 0x40000>;
+	};
+};
+
+&uart0 {
+	pinctrl-0 = <&uart0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&i2c0 {
+	status = "okay";
+};
+
+&pinctrl0 {
+	uart0_default: uart0-default-pins {
+		pins {
+			pinmux = <ADI_ADSP_PINMUX('A', 6, ADI_ADSP_PINFUNC_ALT1)>,
+				 <ADI_ADSP_PINMUX('A', 7, ADI_ADSP_PINFUNC_ALT1)>;
+		};
+	};
+	i2c2_pins: i2c2-default-pins {
+		pins {
+			pinmux = <ADI_ADSP_PINMUX('A', 14, ADI_ADSP_PINFUNC_ALT0)>,
+				 <ADI_ADSP_PINMUX('A', 15, ADI_ADSP_PINFUNC_ALT0)>;
+		};
+	};
+};