From e5ca6f2fdd364eb524474a0744ca07d309bc7eeb Mon Sep 17 00:00:00 2001
From: Jaroslav Burian <jaroslav.burian@espressif.com>
Date: Mon, 23 Sep 2024 10:45:44 +0200
Subject: [PATCH] change: change pins to match the esp32_example

The commit changes the pins to match the esp32_example. Current pins
are used for SPI flash on some boards.
---
 examples/zephyr_example/README.md             |  8 ++++----
 .../zephyr_example/socs/esp32_procpu.overlay  | 19 +++++++++++++++++--
 2 files changed, 21 insertions(+), 6 deletions(-)

diff --git a/examples/zephyr_example/README.md b/examples/zephyr_example/README.md
index 39d6d89..9715ebb 100644
--- a/examples/zephyr_example/README.md
+++ b/examples/zephyr_example/README.md
@@ -33,10 +33,10 @@ Table below shows connection between the two devices:
 
 | ESP32 (host) | Espressif SoC (target) |
 |:------------:|:----------------------:|
-|    IO4       |           IO0          |
-|    IO2       |          RESET         |
-|    IO9       |           TX0          |
-|    IO10      |           RX0          |
+|    IO26      |           IO0          |
+|    IO25      |          RESET         |
+|    IO4       |           TX0          |
+|    IO5       |           RX0          |
 
 ## Build and flash
 
diff --git a/examples/zephyr_example/socs/esp32_procpu.overlay b/examples/zephyr_example/socs/esp32_procpu.overlay
index b4e9a7e..c6573c5 100644
--- a/examples/zephyr_example/socs/esp32_procpu.overlay
+++ b/examples/zephyr_example/socs/esp32_procpu.overlay
@@ -14,14 +14,29 @@
 	gpio_keys {
 		compatible = "gpio-keys";
 		en_button: en_button {
-			gpios = <&gpio0 2 (GPIO_PULL_UP | GPIO_ACTIVE_HIGH)>;
+			gpios = <&gpio0 25 (GPIO_PULL_UP | GPIO_ACTIVE_HIGH)>;
 		};
 		boot_button: boot_button {
-			gpios = <&gpio0 4 (GPIO_PULL_UP | GPIO_ACTIVE_HIGH)>;
+			gpios = <&gpio0 26 (GPIO_PULL_UP | GPIO_ACTIVE_HIGH)>;
+		};
+	};
+};
+
+&pinctrl {
+	uart1_example: uart1_example {
+		group1 {
+			pinmux = <UART1_TX_GPIO4>;
+			input-enable;
+		};
+		group2 {
+			pinmux = <UART1_RX_GPIO5>;
+			output-enable;
 		};
 	};
 };
 
 &uart1 {
 	status = "okay";
+	pinctrl-0 = <&uart1_example>;
+	pinctrl-names = "default";
 };