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samples: i2s: add esp32 board overlay files
Adds esp32 board overlay files to i2s samples Signed-off-by: Marcio Ribeiro <[email protected]>
1 parent 1c02aa2 commit d27f92c

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8 files changed

+152
-51
lines changed

8 files changed

+152
-51
lines changed

‎samples/drivers/i2s/echo/boards/esp32_devkitc_wrover_procpu.overlay

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/*
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* Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
6+
7+
&i2s0_default {
8+
group1 {
9+
pinmux = <I2S0_O_WS_GPIO33>,
10+
<I2S0_O_BCK_GPIO32>,
11+
<I2S0_O_SD_GPIO27>,
12+
<I2S0_I_WS_GPIO26>,
13+
<I2S0_I_BCK_GPIO25>;
14+
output-enable;
15+
};
16+
group2 {
17+
pinmux = <I2S0_I_SD_GPIO18>;
18+
input-enable;
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};
20+
};
21+
22+
i2s_rxtx: &i2s0 {
23+
status = "okay";
24+
25+
interrupts = <I2S0_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>,
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<I2S0_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
27+
interrupt-names = "tx", "rx";
28+
29+
};

‎samples/drivers/i2s/echo/boards/esp32s2_devkitc.overlay

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/*
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* Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
6+
7+
&i2s0_default {
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group1 {
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pinmux = <I2S0_O_WS_GPIO17>,
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<I2S0_O_BCK_GPIO16>,
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<I2S0_O_SD_GPIO15>,
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<I2S0_I_WS_GPIO11>,
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<I2S0_I_BCK_GPIO10>;
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output-enable;
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};
16+
group2 {
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pinmux = <I2S0_I_SD_GPIO18>;
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input-enable;
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};
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};
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22+
i2s_rxtx: &i2s0 {
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status = "okay";
24+
25+
interrupts = <I2S0_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>,
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<I2S0_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
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interrupt-names = "tx", "rx";
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29+
};

‎samples/drivers/i2s/echo/boards/esp32s3_devkitc_procpu.overlay

Lines changed: 14 additions & 38 deletions
Original file line numberDiff line numberDiff line change
@@ -1,52 +1,28 @@
11
/*
2-
* Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
2+
* Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
33
*
44
* SPDX-License-Identifier: Apache-2.0
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*/
66

7-
&pinctrl {
8-
i2s0_pinconf: i2s0_pinconf {
9-
group1 {
10-
pinmux = <I2S0_MCLK_GPIO42>,
11-
<I2S0_O_WS_GPIO41>,
12-
<I2S0_O_BCK_GPIO40>,
13-
<I2S0_O_SD_GPIO39>;
14-
output-enable;
15-
};
7+
&i2s0_default {
8+
group1 {
9+
pinmux = <I2S0_MCLK_GPIO42>,
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<I2S0_O_WS_GPIO41>,
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<I2S0_O_BCK_GPIO40>,
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<I2S0_O_SD_GPIO39>;
13+
output-enable;
1614
};
17-
18-
i2s1_pinconf: i2s1_pinconf {
19-
group1 {
20-
pinmux = <I2S1_MCLK_GPIO35>,
21-
<I2S1_I_WS_GPIO36>,
22-
<I2S1_I_BCK_GPIO37>;
23-
output-enable;
24-
};
25-
group2 {
26-
pinmux = <I2S1_I_SD_GPIO38>;
27-
input-enable;
28-
};
15+
group2 {
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pinmux = <I2S0_I_SD_GPIO38>;
17+
input-enable;
2918
};
3019
};
3120

32-
i2s_tx: &i2s0 {
21+
i2s_rxtx: &i2s0 {
3322
status = "okay";
3423

35-
pinctrl-0 = <&i2s0_pinconf>;
36-
pinctrl-names = "default";
37-
38-
dmas = <&dma 3>;
39-
dma-names = "tx";
40-
};
41-
42-
i2s_rx: &i2s1 {
43-
status = "okay";
44-
45-
pinctrl-0 = <&i2s1_pinconf>;
46-
pinctrl-names = "default";
47-
48-
dmas = <&dma 4>;
49-
dma-names = "rx";
24+
dmas = <&dma 2>, <&dma 3>;
25+
dma-names = "rx", "tx";
5026
};
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5228
&dma {

‎samples/drivers/i2s/output/boards/esp32_devkitc_wrover_procpu.overlay

Lines changed: 31 additions & 0 deletions
Original file line numberDiff line numberDiff line change
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1+
/*
2+
* Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
3+
*
4+
* SPDX-License-Identifier: Apache-2.0
5+
*/
6+
7+
/ {
8+
aliases {
9+
i2s-tx = &i2s0;
10+
};
11+
};
12+
13+
&i2s0_default {
14+
group1 {
15+
pinmux = <I2S0_O_WS_GPIO33>,
16+
<I2S0_O_BCK_GPIO32>,
17+
<I2S0_O_SD_GPIO27>;
18+
output-enable;
19+
};
20+
group2 {
21+
pinmux = <I2S0_I_SD_GPIO18>;
22+
input-enable;
23+
};
24+
};
25+
26+
&i2s0 {
27+
status = "okay";
28+
29+
interrupts = <I2S0_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
30+
interrupt-names = "tx";
31+
};

‎samples/drivers/led/led_strip/boards/esp32s2_devkitc.conf

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@@ -0,0 +1 @@
1+
CONFIG_I2S=y

‎samples/drivers/led/led_strip/boards/esp32s2_devkitc.overlay

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@@ -0,0 +1,38 @@
1+
/*
2+
* Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
3+
*
4+
* SPDX-License-Identifier: Apache-2.0
5+
*/
6+
7+
#include <zephyr/dt-bindings/led/led.h>
8+
9+
/ {
10+
aliases {
11+
led-strip = &led_strip;
12+
};
13+
};
14+
15+
&i2s0_default {
16+
group1 {
17+
pinmux = <I2S0_O_SD_GPIO18>;
18+
output-enable;
19+
};
20+
};
21+
22+
i2s_led: &i2s0 {
23+
status = "okay";
24+
25+
interrupts = <I2S0_INTR_SOURCE IRQ_DEFAULT_PRIORITY 0>;
26+
interrupt-names = "tx";
27+
28+
led_strip: ws2812@0 {
29+
compatible = "worldsemi,ws2812-i2s";
30+
reg = <0>;
31+
32+
chain-length = <1>;
33+
color-mapping = <LED_COLOR_ID_GREEN
34+
LED_COLOR_ID_RED
35+
LED_COLOR_ID_BLUE>;
36+
reset-delay = <500>;
37+
};
38+
};

‎samples/drivers/led/led_strip/boards/esp32s3_devkitc_procpu.conf

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@@ -0,0 +1 @@
1+
CONFIG_I2S=y

‎samples/drivers/led/led_strip/boards/esp32s3_devkitc_procpu.overlay

Lines changed: 9 additions & 13 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
/*
2-
* Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
2+
* Copyright (c) 2024-2025 Espressif Systems (Shanghai) Co., Ltd.
33
*
44
* SPDX-License-Identifier: Apache-2.0
55
*/
@@ -12,19 +12,24 @@
1212
};
1313
};
1414

15+
&i2s0_default {
16+
group1 {
17+
pinmux = <I2S0_O_SD_GPIO38>;
18+
output-enable;
19+
};
20+
};
21+
1522
i2s_led: &i2s0 {
1623
status = "okay";
1724

18-
pinctrl-0 = <&i2s0_pinconf>;
19-
2025
dmas = <&dma 3>;
2126
dma-names = "tx";
2227

2328
led_strip: ws2812@0 {
2429
compatible = "worldsemi,ws2812-i2s";
2530

2631
reg = <0>;
27-
chain-length = <46>;
32+
chain-length = <1>;
2833
color-mapping = <LED_COLOR_ID_GREEN
2934
LED_COLOR_ID_RED
3035
LED_COLOR_ID_BLUE>;
@@ -35,12 +40,3 @@ i2s_led: &i2s0 {
3540
&dma {
3641
status = "okay";
3742
};
38-
39-
&pinctrl {
40-
i2s0_pinconf: i2s0_pinconf {
41-
group1 {
42-
pinmux = <I2S0_O_SD_GPIO38>;
43-
output-enable;
44-
};
45-
};
46-
};

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