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drivers: i2s: max32: Driver with TX/RX Support #91508

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drivers: i2s: max32: Driver with TX/RX Support #91508

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cc17806
drivers: dma: max32: check if bit other than status is set
cx-anuj-pathak Jun 11, 2025
f839db8
dts: i2s: add i2s node for max32655fthr
cx-anuj-pathak Jun 12, 2025
9b77109
drivers: i2s: add i2s driver for max32 mcu
cx-anuj-pathak Jun 12, 2025
2113c1f
boards: max32655fthr: enable i2c1
cx-anuj-pathak Jun 12, 2025
b387018
samples: drivers: i2s: echo: Add MAX9867 codec support
cx-anuj-pathak Jun 12, 2025
0715694
samples: drivers: i2s: echo: add MAX32655 support
cx-anuj-pathak Jun 12, 2025
c7cdd6f
manifest: add repo dependency to compile
cx-anuj-pathak Jun 12, 2025
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12 changes: 12 additions & 0 deletions boards/adi/max32655fthr/max32655fthr_max32655_m4.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -138,6 +138,12 @@
status = "okay";
};

&i2c1 {
status = "okay";
pinctrl-0 = <&i2c1_scl_p0_16 &i2c1_sda_p0_17>;
pinctrl-names = "default";
};

&i2c2 {
status = "okay";
pinctrl-0 = <&i2c2_scl_p0_30 &i2c2_sda_p0_31>;
Expand All @@ -148,6 +154,12 @@
status = "okay";
};

&i2s0 {
status = "okay";
pinctrl-0 = <&i2s_sck_p1_2 &i2s_ws_p1_3 &i2s_sdi_p1_4 &i2s_sdo_p1_5>;
pinctrl-names = "default";
};

&wdt0 {
status = "okay";
};
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5 changes: 5 additions & 0 deletions drivers/dma/dma_max32.c
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Expand Up @@ -258,6 +258,11 @@ static void max32_dma_isr(const struct device *dev)
continue;
}

/* check if only enabled bit is set (interrupt is not there) and skip it */
if (flags == ADI_MAX32_DMA_STATUS_ST) {
continue;
}

/* Check for error interrupts */
if (flags & (ADI_MAX32_DMA_STATUS_BUS_ERR | ADI_MAX32_DMA_STATUS_TO_IF)) {
status = -EIO;
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1 change: 1 addition & 0 deletions drivers/i2s/CMakeLists.txt
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Expand Up @@ -9,6 +9,7 @@ zephyr_library_sources_ifdef(CONFIG_I2S_SAM_SSC i2s_sam_ssc.c)
zephyr_library_sources_ifdef(CONFIG_USERSPACE i2s_handlers.c)
zephyr_library_sources_ifdef(CONFIG_I2S_STM32 i2s_ll_stm32.c)
zephyr_library_sources_ifdef(CONFIG_I2S_LITEX i2s_litex.c)
zephyr_library_sources_ifdef(CONFIG_I2S_MAX32 i2s_max32.c)
zephyr_library_sources_ifdef(CONFIG_I2S_MCUX_FLEXCOMM i2s_mcux_flexcomm.c)
zephyr_library_sources_ifdef(CONFIG_I2S_NRFX i2s_nrfx.c)
zephyr_library_sources_ifdef(CONFIG_I2S_NRF_TDM i2s_nrf_tdm.c)
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21 changes: 21 additions & 0 deletions drivers/i2s/Kconfig.max32
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@@ -0,0 +1,21 @@
# Copyright (c) 2025 Croxel Inc.
# SPDX-License-Identifier: Apache-2.0

config I2S_MAX32
bool "Analog Devices MAX32 series I2S driver"
default y
depends on DT_HAS_ADI_MAX32_I2S_ENABLED
select DMA
help
Enable support for Analog Devices MAX32 series I2S driver.

if I2S_MAX32

config I2S_MAX32_QUEUE_SIZE
int "Queue size"
default 8
help
Size of the Tx/Rx pending block queue. This is the maximum number of
blocks that can be queued for transmission or reception.

endif # I2S_MAX32
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