esp32: nvs: add NVS support using fixed partitions

Add NVS support to ESP32 using fixed partitions defined on DT Signed-off-by: Glauber Maroto Ferreira <glauber.ferreira@espressif.com>
4 years ago · ca758c84a8
4 changed files with 16 additions and 0 deletions
--- a/boards/xtensa/esp32/esp32.dts
+++ b/boards/xtensa/esp32/esp32.dts
@ -114,4 +114,14 @@
				@@ -114,4 +114,14 @@

 &flash0 {
 	status = "okay";
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		storage_partition: partition@9000 {
+			label = "storage";
+			reg = <0x00009000 0x00006000>;
+		};
+	};
 };
--- a/boards/xtensa/esp32/esp32.yaml
+++ b/boards/xtensa/esp32/esp32.yaml
@ -10,3 +10,4 @@ supported:
				@@ -10,3 +10,4 @@ supported:
  - watchdog
  - uart
  - pinmux
+  - nvs
--- a/samples/subsys/nvs/boards/esp32.conf
+++ b/samples/subsys/nvs/boards/esp32.conf
@ -0,0 +1 @@
				@@ -0,0 +1 @@
+CONFIG_HEAP_MEM_POOL_SIZE=256
--- a/samples/subsys/settings/boards/esp32.conf
+++ b/samples/subsys/settings/boards/esp32.conf
@ -0,0 +1,4 @@
				@@ -0,0 +1,4 @@
+CONFIG_HEAP_MEM_POOL_SIZE=256
+CONFIG_NVS=y
+CONFIG_SETTINGS_NVS=y
+CONFIG_MPU_ALLOW_FLASH_WRITE=y