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[nrf fromtree] drivers: i2s: nrf_tdm: Allow using 8 channels #3238

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Merged
merged 1 commit into from
Sep 8, 2025
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[nrf fromtree] drivers: i2s: nrf_tdm: Allow using 8 channels #3238

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8 changes: 6 additions & 2 deletions drivers/i2s/i2s_nrf_tdm.c
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,10 @@ LOG_MODULE_REGISTER(tdm_nrf, CONFIG_I2S_LOG_LEVEL);
*/
#define NRFX_TDM_STATUS_TRANSFER_STOPPED BIT(1)

/* Maximum clock divider value. Corresponds to CKDIV2. */
#define NRFX_TDM_MAX_SCK_DIV_VALUE TDM_CONFIG_SCK_DIV_SCKDIV_Max
#define NRFX_TDM_MAX_MCK_DIV_VALUE TDM_CONFIG_MCK_DIV_DIV_Max

#define NRFX_TDM_NUM_OF_CHANNELS (TDM_CONFIG_CHANNEL_NUM_NUM_Max + 1)

#define NRFX_TDM_TX_CHANNELS_MASK \
Expand Down Expand Up @@ -814,11 +818,11 @@ static int trigger_start(const struct device *dev)

nrf_tdm_sck_configure(drv_cfg->p_reg,
drv_cfg->sck_src == ACLK ? NRF_TDM_SRC_ACLK : NRF_TDM_SRC_PCLK32M,
false);
nrfx_cfg->sck_setup > NRFX_TDM_MAX_SCK_DIV_VALUE);

nrf_tdm_mck_configure(drv_cfg->p_reg,
drv_cfg->mck_src == ACLK ? NRF_TDM_SRC_ACLK : NRF_TDM_SRC_PCLK32M,
false);
nrfx_cfg->mck_setup > NRFX_TDM_MAX_MCK_DIV_VALUE);
/* If it is required to use certain HF clock, request it to be running
* first. If not, start the transfer directly.
*/
Expand Down