From 6e337f6566bb303e202a20e12a3fb4b9520b883b Mon Sep 17 00:00:00 2001
From: Dominik Heidler <dheidler@suse.de>
Date: Wed, 5 Mar 2025 23:48:42 +0100
Subject: [PATCH] ports/rp2/boards: Add the WAVESHARE_RP2040_ZERO.

Signed-off-by: Dominik Heidler <dheidler@suse.de>
---
 .../boards/WAVESHARE_RP2040_ZERO/board.json   | 19 +++++++++++
 .../WAVESHARE_RP2040_ZERO/mpconfigboard.cmake |  1 +
 .../WAVESHARE_RP2040_ZERO/mpconfigboard.h     | 13 ++++++++
 .../mpconfigvariant.cmake                     |  6 ++++
 .../rp2/boards/WAVESHARE_RP2040_ZERO/pins.csv | 32 +++++++++++++++++++
 5 files changed, 71 insertions(+)
 create mode 100644 ports/rp2/boards/WAVESHARE_RP2040_ZERO/board.json
 create mode 100644 ports/rp2/boards/WAVESHARE_RP2040_ZERO/mpconfigboard.cmake
 create mode 100644 ports/rp2/boards/WAVESHARE_RP2040_ZERO/mpconfigboard.h
 create mode 100644 ports/rp2/boards/WAVESHARE_RP2040_ZERO/mpconfigvariant.cmake
 create mode 100644 ports/rp2/boards/WAVESHARE_RP2040_ZERO/pins.csv

diff --git a/ports/rp2/boards/WAVESHARE_RP2040_ZERO/board.json b/ports/rp2/boards/WAVESHARE_RP2040_ZERO/board.json
new file mode 100644
index 0000000000000..adb1133369b17
--- /dev/null
+++ b/ports/rp2/boards/WAVESHARE_RP2040_ZERO/board.json
@@ -0,0 +1,19 @@
+{
+    "deploy": [
+        "../deploy.md"
+    ],
+    "docs": "",
+    "features": [
+        "Dual-core",
+        "External Flash",
+        "RGB LED",
+        "USB-C"
+    ],
+    "images": [
+    ],
+    "mcu": "rp2040",
+    "product": "RP2040-Zero",
+    "thumbnail": "",
+    "url": "https://www.waveshare.com/wiki/RP2040-Zero",
+    "vendor": "Waveshare"
+}
diff --git a/ports/rp2/boards/WAVESHARE_RP2040_ZERO/mpconfigboard.cmake b/ports/rp2/boards/WAVESHARE_RP2040_ZERO/mpconfigboard.cmake
new file mode 100644
index 0000000000000..ddfabb7d5e4c6
--- /dev/null
+++ b/ports/rp2/boards/WAVESHARE_RP2040_ZERO/mpconfigboard.cmake
@@ -0,0 +1 @@
+# cmake file for Waveshare RP2040-Zero
diff --git a/ports/rp2/boards/WAVESHARE_RP2040_ZERO/mpconfigboard.h b/ports/rp2/boards/WAVESHARE_RP2040_ZERO/mpconfigboard.h
new file mode 100644
index 0000000000000..d1a80ff875ba3
--- /dev/null
+++ b/ports/rp2/boards/WAVESHARE_RP2040_ZERO/mpconfigboard.h
@@ -0,0 +1,13 @@
+// https://www.waveshare.com/wiki/RP2040-Zero
+
+#ifndef MICROPY_HW_BOARD_NAME
+#define MICROPY_HW_BOARD_NAME          "Waveshare RP2040-Zero"
+#endif
+#define MICROPY_HW_FLASH_STORAGE_BYTES (1408 * 1024)
+
+#define MICROPY_HW_USB_VID (0x16D0)
+#define MICROPY_HW_USB_PID (0x08C7)
+
+// I2C0 (non-default)
+#define MICROPY_HW_I2C0_SCL  (4)
+#define MICROPY_HW_I2C0_SDA  (5)
diff --git a/ports/rp2/boards/WAVESHARE_RP2040_ZERO/mpconfigvariant.cmake b/ports/rp2/boards/WAVESHARE_RP2040_ZERO/mpconfigvariant.cmake
new file mode 100644
index 0000000000000..4b28d29b15056
--- /dev/null
+++ b/ports/rp2/boards/WAVESHARE_RP2040_ZERO/mpconfigvariant.cmake
@@ -0,0 +1,6 @@
+set(PICO_BOARD "waveshare_rp2040_zero")
+
+# Override the MicroPython board name
+list(APPEND MICROPY_DEF_BOARD
+    MICROPY_HW_BOARD_NAME="Waveshare RP2040-Zero"
+)
diff --git a/ports/rp2/boards/WAVESHARE_RP2040_ZERO/pins.csv b/ports/rp2/boards/WAVESHARE_RP2040_ZERO/pins.csv
new file mode 100644
index 0000000000000..a2925e0658bb1
--- /dev/null
+++ b/ports/rp2/boards/WAVESHARE_RP2040_ZERO/pins.csv
@@ -0,0 +1,32 @@
+GP0,GPIO0
+GP1,GPIO1
+GP2,GPIO2
+GP3,GPIO3
+GP4,GPIO4
+GP5,GPIO5
+GP6,GPIO6
+GP7,GPIO7
+GP8,GPIO8
+GP8,GPIO8
+GP9,GPIO9
+GP10,GPIO10
+GP11,GPIO11
+GP12,GPIO12
+GP13,GPIO13
+GP14,GPIO14
+GP15,GPIO15
+LED,GPIO16
+GP17,GPIO17
+GP18,GPIO18
+GP19,GPIO19
+GP20,GPIO20
+GP21,GPIO21
+GP22,GPIO22
+GP23,GPIO23
+BOOT,GPIO23
+GP24,GPIO24
+GP25,GPIO25
+GP26,GPIO26
+GP27,GPIO27
+GP28,GPIO28
+GP29,GPIO29