soc: sercomm: Add support for TPM530M

Added support for Sercomm TPM530M.

Signed-off-by: Tommi Kangas <[email protected]>

Author: tokangas

CODEOWNERS

@@ -748,6 +748,7 @@
 # SoC
 /soc/nordic/                              @nrfconnect/ncs-code-owners
 /soc/nordic/nrf71/                        @nrfconnect/ncs-code-owners @rob-robinson-14 @Hi-Im-David
+/soc/sercomm/                             @nrfconnect/ncs-code-owners @tokangas
 
 # These snippet entries must be below other snippet entries (excluding doc), do not move
 /snippets/                                @nrfconnect/ncs-co-build-system

dts/arm/sercomm/tpm530m.dtsi

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include <mem.h>
+#include <nordic/nrf91.dtsi>
+
+&flash0 {
+	reg = <0x00000000 DT_SIZE_K(1024)>;
+};
+
+&sram0 {
+	reg = <0x20000000 DT_SIZE_K(256)>;
+};
+
+/ {
+	soc {
+		compatible = "sercomm,tpm530m", "nordic,nrf9120",
+			     "nordic,nrf91", "simple-bus";
+	};
+};

dts/arm/sercomm/tpm530mns.dtsi

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include <mem.h>
+#include <nordic/nrf91ns.dtsi>
+
+&flash0 {
+	reg = <0x00000000 DT_SIZE_K(1024)>;
+};
+
+&sram0 {
+	reg = <0x20000000 DT_SIZE_K(256)>;
+};
+
+/ {
+	soc {
+		compatible = "sercomm,tpm530m", "nordic,nrf9120",
+			     "nordic,nrf91", "simple-bus";
+	};
+};

dts/bindings/vendor-prefixes.txt

@@ -1,2 +1,3 @@
-pixart	PixArt Imaging Inc.
 caf	Common Application Framework
+pixart	PixArt Imaging Inc.
+sercomm	Sercomm Corporation

soc/sercomm/nrf91/CMakeLists.txt

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+
+add_subdirectory(${ZEPHYR_BASE}/soc/nordic soc_family)

soc/sercomm/nrf91/Kconfig.defconfig

@@ -0,0 +1,12 @@
+# Sercomm modules with Nordic Semiconductor nRF91 SoC
+
+# Copyright (c) 2025 Nordic Semiconductor ASA
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+
+if SOC_SERIES_NRF91X
+
+rsource "Kconfig.defconfig.tpm530m"
+
+source "soc/nordic/nrf91/Kconfig.defconfig"
+
+endif # SOC_SERIES_NRF91X

soc/sercomm/nrf91/Kconfig.defconfig.tpm530m

@@ -0,0 +1,11 @@
+# Sercomm TPM530M module
+
+# Copyright (c) 2025 Nordic Semiconductor ASA
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+
+if SOC_TPM530M
+
+config NUM_IRQS
+	default 65
+
+endif # SOC_TPM530M

soc/sercomm/nrf91/Kconfig.soc

@@ -0,0 +1,13 @@
+# Sercomm modules with Nordic Semiconductor nRF91 SoC
+
+# Copyright (c) 2025 Nordic Semiconductor ASA
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+
+config SOC_TPM530M
+	bool
+	select SOC_NRF9120
+
+config SOC
+	default "tpm530m" if SOC_TPM530M
+
+source "soc/nordic/nrf91/Kconfig.soc"

soc/sercomm/nrf91/soc.yml

@@ -0,0 +1,42 @@
+family:
+  - name: nordic_nrf
+    series:
+      - name: nrf91
+        socs:
+          - name: tpm530m
+
+# Recovery/erase is only needed once per core. Prevent resetting the cores whilst flashing
+# multiple images until all images for each core have been flashed, this allows security
+# bits to be set during programming without them interfering with additional flashing
+# operations.
+runners:
+  run_once:
+    '--recover':
+      - runners:
+          - nrfjprog
+          - nrfutil
+        run: first
+        groups:
+          - qualifiers:
+              - tpm530m
+              - tpm530m/ns
+    '--erase':
+      - runners:
+          - nrfjprog
+          - jlink
+          - nrfutil
+        run: first
+        groups:
+          - qualifiers:
+              - tpm530m
+              - tpm530m/ns
+    '--reset':
+      - runners:
+          - nrfjprog
+          - jlink
+          - nrfutil
+        run: last
+        groups:
+          - qualifiers:
+              - tpm530m
+              - tpm530m/ns