samples: i2s: add esp32 board overlay files

Adds esp32 board overlay files to i2s samples Signed-off-by: Marcio Ribeiro <[email protected]>
zephyrproject-rtos · Feb 14, 2025 · d27f92c · d27f92c
1 parent 1c02aa2
commit d27f92c
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Showing 8 changed files with 152 additions and 51 deletions.
diff --git a/samples/drivers/i2s/echo/boards/esp32_devkitc_wrover_procpu.overlay b/samples/drivers/i2s/echo/boards/esp32_devkitc_wrover_procpu.overlay
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&i2s0_default {
+	group1 {
+		pinmux = <I2S0_O_WS_GPIO33>,
+				<I2S0_O_BCK_GPIO32>,
+				<I2S0_O_SD_GPIO27>,
+				<I2S0_I_WS_GPIO26>,
+				<I2S0_I_BCK_GPIO25>;
+		output-enable;
+	};
+	group2 {
+		pinmux = <I2S0_I_SD_GPIO18>;
+		input-enable;
+	};
+};
+
+i2s_rxtx: &i2s0 {
+	status = "okay";
+
+	interrupts = <I2S0_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>,
+		<I2S0_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
+	interrupt-names = "tx", "rx";
+
+};
diff --git a/samples/drivers/i2s/echo/boards/esp32s2_devkitc.overlay b/samples/drivers/i2s/echo/boards/esp32s2_devkitc.overlay
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&i2s0_default {
+	group1 {
+		pinmux = <I2S0_O_WS_GPIO17>,
+				<I2S0_O_BCK_GPIO16>,
+				<I2S0_O_SD_GPIO15>,
+				<I2S0_I_WS_GPIO11>,
+				<I2S0_I_BCK_GPIO10>;
+		output-enable;
+	};
+	group2 {
+		pinmux = <I2S0_I_SD_GPIO18>;
+		input-enable;
+	};
+};
+
+i2s_rxtx: &i2s0 {
+	status = "okay";
+
+	interrupts = <I2S0_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>,
+		<I2S0_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
+	interrupt-names = "tx", "rx";
+
+};
diff --git a/samples/drivers/i2s/echo/boards/esp32s3_devkitc_procpu.overlay b/samples/drivers/i2s/echo/boards/esp32s3_devkitc_procpu.overlay
@@ -1,52 +1,28 @@
 /*
- * Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
+ * Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
  *
  * SPDX-License-Identifier: Apache-2.0
  */
 
-&pinctrl {
-	i2s0_pinconf: i2s0_pinconf {
-		group1 {
-			pinmux = <I2S0_MCLK_GPIO42>,
-				 <I2S0_O_WS_GPIO41>,
-				 <I2S0_O_BCK_GPIO40>,
-				 <I2S0_O_SD_GPIO39>;
-			output-enable;
-		};
+&i2s0_default {
+	group1 {
+		pinmux = <I2S0_MCLK_GPIO42>,
+				<I2S0_O_WS_GPIO41>,
+				<I2S0_O_BCK_GPIO40>,
+				<I2S0_O_SD_GPIO39>;
+		output-enable;
 	};
-
-	i2s1_pinconf: i2s1_pinconf {
-		group1 {
-			pinmux = <I2S1_MCLK_GPIO35>,
-				 <I2S1_I_WS_GPIO36>,
-				 <I2S1_I_BCK_GPIO37>;
-			output-enable;
-		};
-		group2 {
-			pinmux = <I2S1_I_SD_GPIO38>;
-			input-enable;
-		};
+	group2 {
+		pinmux = <I2S0_I_SD_GPIO38>;
+		input-enable;
 	};
 };
 
-i2s_tx: &i2s0 {
+i2s_rxtx: &i2s0 {
 	status = "okay";
 
-	pinctrl-0 = <&i2s0_pinconf>;
-	pinctrl-names = "default";
-
-	dmas = <&dma 3>;
-	dma-names = "tx";
-};
-
-i2s_rx: &i2s1 {
-	status = "okay";
-
-	pinctrl-0 = <&i2s1_pinconf>;
-	pinctrl-names = "default";
-
-	dmas = <&dma 4>;
-	dma-names = "rx";
+	dmas = <&dma 2>, <&dma 3>;
+	dma-names = "rx", "tx";
 };
 
 &dma {

diff --git a/samples/drivers/i2s/output/boards/esp32_devkitc_wrover_procpu.overlay b/samples/drivers/i2s/output/boards/esp32_devkitc_wrover_procpu.overlay
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	aliases {
+		i2s-tx = &i2s0;
+	};
+};
+
+&i2s0_default {
+	group1 {
+		pinmux = <I2S0_O_WS_GPIO33>,
+				<I2S0_O_BCK_GPIO32>,
+				<I2S0_O_SD_GPIO27>;
+		output-enable;
+	};
+	group2 {
+		pinmux = <I2S0_I_SD_GPIO18>;
+		input-enable;
+	};
+};
+
+&i2s0 {
+	status = "okay";
+
+	interrupts = <I2S0_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
+	interrupt-names = "tx";
+};
diff --git a/samples/drivers/led/led_strip/boards/esp32s2_devkitc.conf b/samples/drivers/led/led_strip/boards/esp32s2_devkitc.conf
@@ -0,0 +1 @@
+CONFIG_I2S=y
diff --git a/samples/drivers/led/led_strip/boards/esp32s2_devkitc.overlay b/samples/drivers/led/led_strip/boards/esp32s2_devkitc.overlay
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/dt-bindings/led/led.h>
+
+/ {
+	aliases {
+		led-strip = &led_strip;
+	};
+};
+
+&i2s0_default {
+	group1 {
+		pinmux = <I2S0_O_SD_GPIO18>;
+		output-enable;
+	};
+};
+
+i2s_led: &i2s0 {
+	status = "okay";
+
+	interrupts = <I2S0_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
+	interrupt-names = "tx";
+
+	led_strip: ws2812@0 {
+		compatible = "worldsemi,ws2812-i2s";
+		reg = <0>;
+
+		chain-length = <1>;
+		color-mapping = <LED_COLOR_ID_GREEN
+				 LED_COLOR_ID_RED
+				 LED_COLOR_ID_BLUE>;
+		reset-delay = <500>;
+	};
+};
diff --git a/samples/drivers/led/led_strip/boards/esp32s3_devkitc_procpu.conf b/samples/drivers/led/led_strip/boards/esp32s3_devkitc_procpu.conf
@@ -0,0 +1 @@
+CONFIG_I2S=y
diff --git a/samples/drivers/led/led_strip/boards/esp32s3_devkitc_procpu.overlay b/samples/drivers/led/led_strip/boards/esp32s3_devkitc_procpu.overlay
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
+ * Copyright (c) 2024-2025 Espressif Systems (Shanghai) Co., Ltd.
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -12,19 +12,24 @@
 	};
 };
 
+&i2s0_default {
+	group1 {
+		pinmux = <I2S0_O_SD_GPIO38>;
+		output-enable;
+	};
+};
+
 i2s_led: &i2s0 {
 	status = "okay";
 
-	pinctrl-0 = <&i2s0_pinconf>;
-
 	dmas = <&dma 3>;
 	dma-names = "tx";
 
 	led_strip: ws2812@0 {
 		compatible = "worldsemi,ws2812-i2s";
 
 		reg = <0>;
-		chain-length = <46>;
+		chain-length = <1>;
 		color-mapping = <LED_COLOR_ID_GREEN
 				 LED_COLOR_ID_RED
 				 LED_COLOR_ID_BLUE>;
@@ -35,12 +40,3 @@ i2s_led: &i2s0 {
 &dma {
 	status = "okay";
 };
-
-&pinctrl {
-	i2s0_pinconf: i2s0_pinconf {
-		group1 {
-			pinmux = <I2S0_O_SD_GPIO38>;
-			output-enable;
-		};
-	};
-};