From 73ca365530bc79d03dc64d89adc03b4ccbeeb14e Mon Sep 17 00:00:00 2001
From: Peter Johanson <peter@peterjohanson.com>
Date: Tue, 1 Oct 2024 01:14:44 -0600
Subject: [PATCH] feat(boards): PM RP2040 flash settings support.

---
 app/boards/sparkfun_pro_micro_rp2040.conf    |  7 +++++++
 app/boards/sparkfun_pro_micro_rp2040.overlay | 16 ++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/app/boards/sparkfun_pro_micro_rp2040.conf b/app/boards/sparkfun_pro_micro_rp2040.conf
index 21c1893d91f..354d7007447 100644
--- a/app/boards/sparkfun_pro_micro_rp2040.conf
+++ b/app/boards/sparkfun_pro_micro_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
\ No newline at end of file
diff --git a/app/boards/sparkfun_pro_micro_rp2040.overlay b/app/boards/sparkfun_pro_micro_rp2040.overlay
index 72b3adcaf41..21aa7dff7c6 100644
--- a/app/boards/sparkfun_pro_micro_rp2040.overlay
+++ b/app/boards/sparkfun_pro_micro_rp2040.overlay
@@ -5,3 +5,19 @@
  */
 
 &pro_micro_serial { status = "disabled"; };
+
+// We override to 2MB for maximum compatibility
+&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;
+        };
+    };
+};