From 82eed0f5ddb05fc244385e0ac05704fbdec0c3ee Mon Sep 17 00:00:00 2001
From: Peter Johanson <peter@peterjohanson.com>
Date: Wed, 5 Jun 2024 01:21:34 -0700
Subject: [PATCH] feat(boards): Add flash/settings to XIAO RP2040.

* Add storage partition.
* Default necessacy Kconfig symbols for flash/settings.
---
 app/boards/seeeduino_xiao_rp2040.conf    |  7 +++++++
 app/boards/seeeduino_xiao_rp2040.overlay | 15 +++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/app/boards/seeeduino_xiao_rp2040.conf b/app/boards/seeeduino_xiao_rp2040.conf
index 21c1893d91f..714e715cc83 100644
--- a/app/boards/seeeduino_xiao_rp2040.conf
+++ b/app/boards/seeeduino_xiao_rp2040.conf
@@ -2,3 +2,10 @@ CONFIG_CONSOLE=n
 CONFIG_SERIAL=n
 CONFIG_UART_CONSOLE=n
 CONFIG_ZMK_USB=y
+
+CONFIG_MPU_ALLOW_FLASH_WRITE=y
+CONFIG_NVS=y
+CONFIG_SETTINGS_NVS=y
+CONFIG_FLASH=y
+CONFIG_FLASH_PAGE_LAYOUT=y
+CONFIG_FLASH_MAP=y
diff --git a/app/boards/seeeduino_xiao_rp2040.overlay b/app/boards/seeeduino_xiao_rp2040.overlay
index b5d2cdb2fd1..e6ba8136498 100644
--- a/app/boards/seeeduino_xiao_rp2040.overlay
+++ b/app/boards/seeeduino_xiao_rp2040.overlay
@@ -5,3 +5,18 @@
  */
 
 &xiao_serial { status = "disabled"; };
+
+&code_partition {
+    reg = <0x100 (DT_SIZE_M(2) - 0x100 - DT_SIZE_K(512))>;
+};
+
+&flash0 {
+    reg = <0x10000000 DT_SIZE_M(2)>;
+
+    partitions {
+        storage_partition: partition@180000 {
+            reg = <0x180000 DT_SIZE_K(512)>;
+            read-only;
+        };
+    };
+};