From 7357fc583b5a0407d1b4b7e07aa932f99b0eb32b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Josip=20=C5=A0imun=20Ku=C4=8Di?= <josipsimunkuci@gmail.com>
Date: Thu, 18 Sep 2025 09:59:16 +0200
Subject: [PATCH] esp32/boards/SOLDERED_NULA_MINI: Add new board definition.
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Add support for the upcoming Soldered NULA Mini ESP32C6 board by Soldered
Electronics.

Signed-off-by: Josip Šimun Kuči <josipsimunkuci@gmail.com>
---
 .../boards/SOLDERED_NULA_MINI/board.json      | 23 +++++++++++++++++++
 .../SOLDERED_NULA_MINI/mpconfigboard.cmake    |  8 +++++++
 .../boards/SOLDERED_NULA_MINI/mpconfigboard.h | 10 ++++++++
 .../esp32/boards/SOLDERED_NULA_MINI/pins.csv  |  7 ++++++
 4 files changed, 48 insertions(+)
 create mode 100644 ports/esp32/boards/SOLDERED_NULA_MINI/board.json
 create mode 100644 ports/esp32/boards/SOLDERED_NULA_MINI/mpconfigboard.cmake
 create mode 100644 ports/esp32/boards/SOLDERED_NULA_MINI/mpconfigboard.h
 create mode 100644 ports/esp32/boards/SOLDERED_NULA_MINI/pins.csv

diff --git a/ports/esp32/boards/SOLDERED_NULA_MINI/board.json b/ports/esp32/boards/SOLDERED_NULA_MINI/board.json
new file mode 100644
index 0000000000..85b12e98df
--- /dev/null
+++ b/ports/esp32/boards/SOLDERED_NULA_MINI/board.json
@@ -0,0 +1,23 @@
+{
+    "deploy": [
+        "../deploy.md"
+    ],
+    "deploy_options": {
+        "flash_offset": "0"
+    },
+    "docs": "",
+    "features": [
+        "BLE",
+        "WiFi",
+        "USB-C",
+        "JST-PH"
+    ],
+    "images": [
+        "soldered-nula-mini-esp32c6.jpg"
+    ],
+    "mcu": "esp32c6",
+    "product": "NULA Mini",
+    "thumbnail": "",
+    "url": "https://soldered.com/product/nula-mini-esp32-c6/",
+    "vendor": "Soldered Electronics"
+}
diff --git a/ports/esp32/boards/SOLDERED_NULA_MINI/mpconfigboard.cmake b/ports/esp32/boards/SOLDERED_NULA_MINI/mpconfigboard.cmake
new file mode 100644
index 0000000000..48946f7094
--- /dev/null
+++ b/ports/esp32/boards/SOLDERED_NULA_MINI/mpconfigboard.cmake
@@ -0,0 +1,8 @@
+set(IDF_TARGET esp32c6)
+
+set(SDKCONFIG_DEFAULTS
+    boards/sdkconfig.base
+    boards/sdkconfig.riscv
+    boards/sdkconfig.c6
+    boards/sdkconfig.ble
+)
diff --git a/ports/esp32/boards/SOLDERED_NULA_MINI/mpconfigboard.h b/ports/esp32/boards/SOLDERED_NULA_MINI/mpconfigboard.h
new file mode 100644
index 0000000000..658919eaf4
--- /dev/null
+++ b/ports/esp32/boards/SOLDERED_NULA_MINI/mpconfigboard.h
@@ -0,0 +1,10 @@
+// This configuration is for a generic ESP32C6 board with 4MiB (or more) of flash.
+
+#define MICROPY_HW_BOARD_NAME               "Soldered NULA Mini"
+#define MICROPY_HW_MCU_NAME                 "ESP32C6"
+
+// Enable UART REPL for modules that have an external USB-UART and don't use native USB.
+#define MICROPY_HW_ENABLE_UART_REPL         (1)
+
+#define MICROPY_HW_I2C0_SCL      (7)
+#define MICROPY_HW_I2C0_SDA      (6)
diff --git a/ports/esp32/boards/SOLDERED_NULA_MINI/pins.csv b/ports/esp32/boards/SOLDERED_NULA_MINI/pins.csv
new file mode 100644
index 0000000000..1ed8bbd91c
--- /dev/null
+++ b/ports/esp32/boards/SOLDERED_NULA_MINI/pins.csv
@@ -0,0 +1,7 @@
+IO2,GPIO2
+IO3,GPIO3
+IO4,GPIO4
+IO5,GPIO5
+IO18,GPIO18
+IO19,GPIO19
+USER_BUTTON,GPIO9