From 865f4e64b5039920702927f13dbafb2a4d4eebb1 Mon Sep 17 00:00:00 2001
From: Felipe Neves <felipe.neves@linaro.org>
Date: Fri, 3 Feb 2023 12:19:50 -0300
Subject: [PATCH] dts: xtensa: esp32: modify esp32 dts

To split ipm area into ipm memory and
general use shared memory.

Signed-off-by: Felipe Neves <felipe.neves@linaro.org>
---
 dts/xtensa/espressif/esp32.dtsi | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/dts/xtensa/espressif/esp32.dtsi b/dts/xtensa/espressif/esp32.dtsi
index 74e843f978db6c..f84bcb4ea3b3fc 100644
--- a/dts/xtensa/espressif/esp32.dtsi
+++ b/dts/xtensa/espressif/esp32.dtsi
@@ -68,9 +68,14 @@
 			reg = <0x3FFB0000 0x2c200>;
 		};
 
-		shm0: memory@3ffe5230 {
+		ipmmem0: memory@3ffe5230 {
 			compatible = "mmio-sram";
-			reg = <0x3FFE5230 0x800>;
+			reg = <0x3FFE5230 0x400>;
+		};
+
+		shm0: memory@3ffe5630 {
+			compatible = "mmio-sram";
+			reg = <0x3FFE5630 0x400>;
 		};
 
 		intc: interrupt-controller@3ff00104 {
@@ -117,8 +122,8 @@
 			compatible = "espressif,esp32-ipm";
 			reg = <0x3FFE5A30 0x8>;
 			status = "disabled";
-			shared-memory = <&shm0>;
-			shared-memory-size = <2048>;
+			shared-memory = <&ipmmem0>;
+			shared-memory-size = <0x400>;
 			interrupts = <FROM_CPU_INTR0_SOURCE FROM_CPU_INTR1_SOURCE>;
 			interrupt-parent = <&intc>;
 		};