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uart: esp32h2: Add ASYNC support #97128

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Merged
merged 3 commits into from
Oct 9, 2025
+36 −2
Merged

uart: esp32h2: Add ASYNC support #97128

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5f01763
west.yml: hal_espressif: Update for UART async
Oct 7, 2025
66e4468
drivers: uart: esp32h2: Add ASYNC support
Oct 3, 2025
deb6cf6
tests: uart: async: esp32h2: Add config
Oct 3, 2025
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3 changes: 2 additions & 1 deletion drivers/serial/Kconfig.esp32
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,8 @@ config UART_ESP32
depends on DT_HAS_ESPRESSIF_ESP32_UART_ENABLED
select SERIAL_HAS_DRIVER
select SERIAL_SUPPORT_INTERRUPT
select SERIAL_SUPPORT_ASYNC if (SOC_SERIES_ESP32C3 || SOC_SERIES_ESP32C6 || SOC_SERIES_ESP32S3)
select SERIAL_SUPPORT_ASYNC if (SOC_SERIES_ESP32C3 || SOC_SERIES_ESP32C6 || \
SOC_SERIES_ESP32H2 || SOC_SERIES_ESP32S3)
select GPIO_ESP32
help
Enable the ESP32 UART.
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2 changes: 2 additions & 0 deletions tests/drivers/uart/uart_async_api/socs/esp32h2.conf
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@@ -0,0 +1,2 @@
CONFIG_HEAP_MEM_POOL_SIZE=32768
CONFIG_DMA=y
31 changes: 31 additions & 0 deletions tests/drivers/uart/uart_async_api/socs/esp32h2.overlay
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@@ -0,0 +1,31 @@
/*
* Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*/

&pinctrl {
uart1_test: uart1_test {
group1 {
pinmux = <UART1_TX_GPIO2>;
input-enable;
};
group2 {
pinmux = <UART1_RX_GPIO2>;
output-enable;
};
};
};

dut: &uart1 {
status = "okay";
current-speed = <115200>;
pinctrl-0 = <&uart1_test>;
pinctrl-names = "default";
dmas = <&dma 0>, <&dma 1>;
dma-names = "rx", "tx";
};

&dma {
status = "okay";
};
2 changes: 1 addition & 1 deletion west.yml
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Expand Up @@ -169,7 +169,7 @@ manifest:
groups:
- hal
- name: hal_espressif
revision: 167cd7166041794a06128f61bf83934c15348b1c
revision: 6e7cda96b98780bc75544ac06d075a2908868fd9
path: modules/hal/espressif
west-commands: west/west-commands.yml
groups:
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