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drivers: ssp: unify clock selection flow across ACE platforms

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During intensive testing, it was found that the clock should
be set the same way on all ACE platforms

Signed-off-by: Adrian Bonislawski <adrian.bonislawski@intel.com>
This commit is contained in:
Adrian Bonislawski 2025-04-08 11:34:28 +02:00 • committed by Anas Nashif
commit 240b56008c
2 changed files with 13 additions and 3 deletions
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14
drivers/dai/intel/ssp/ssp.c
View file

@ -1937,9 +1937,7 @@ static int dai_ssp_parse_tlv(struct dai_intel_ssp *dp, const uint8_t *aux_ptr, s
struct ssp_intel_ext_ctl *ext;
#if SSP_IP_VER >= SSP_IP_VER_1_5
struct ssp_intel_link_ctl *link;
#if SSP_IP_VER > SSP_IP_VER_1_5
struct dai_intel_ssp_plat_data *ssp = dai_get_plat_data(dp);
#endif
#endif
for (i = 0; i < aux_len; i += hop) {
@ -1987,13 +1985,13 @@ static int dai_ssp_parse_tlv(struct dai_intel_ssp *dp, const uint8_t *aux_ptr, s
case SSP_LINK_CLK_SOURCE:
#if SSP_IP_VER >= SSP_IP_VER_1_5
link = (struct ssp_intel_link_ctl *)&aux_tlv->val;
ssp->link_clock = link->clock_source;
#if SSP_IP_VER < SSP_IP_VER_2_0
sys_write32((sys_read32(dai_ip_base(dp) + I2SLCTL_OFFSET) &
~I2CLCTL_MLCS(0x7)) |
I2CLCTL_MLCS(link->clock_source), dai_ip_base(dp) +
I2SLCTL_OFFSET);
#elif SSP_IP_VER > SSP_IP_VER_1_5
ssp->link_clock = link->clock_source;
sys_write32((sys_read32(dai_i2svss_base(dp) + I2SLCTL_OFFSET) &
~I2CLCTL_MLCS(0x7)) |
I2CLCTL_MLCS(link->clock_source),
@ -2563,6 +2561,11 @@ static void ssp_acquire_ip(struct dai_intel_ssp *dp)
~I2CLCTL_MLCS(0x7)) |
I2CLCTL_MLCS(ssp->link_clock),
dai_i2svss_base(dp) + I2SLCTL_OFFSET);
#elif SSP_IP_VER == SSP_IP_VER_1_5
sys_write32((sys_read32(dai_ip_base(dp) + I2SLCTL_OFFSET) &
~I2CLCTL_MLCS(0x7)) |
I2CLCTL_MLCS(ssp->link_clock), dai_ip_base(dp) +
I2SLCTL_OFFSET);
#endif
}
}
@ -2595,6 +2598,11 @@ static void ssp_release_ip(struct dai_intel_ssp *dp)
~I2CLCTL_MLCS(0x7)) |
I2CLCTL_MLCS(DAI_INTEL_SSP_CLOCK_XTAL_OSCILLATOR),
dai_i2svss_base(dp) + I2SLCTL_OFFSET);
#elif SSP_IP_VER == SSP_IP_VER_1_5
sys_write32((sys_read32(dai_ip_base(dp) + I2SLCTL_OFFSET) &
~I2CLCTL_MLCS(0x7)) |
I2CLCTL_MLCS(DAI_INTEL_SSP_CLOCK_XTAL_OSCILLATOR),
dai_ip_base(dp) + I2SLCTL_OFFSET);
#endif
dai_ssp_pm_runtime_en_ssp_clk_gating(dp, ssp->ssp_index);

2
drivers/dai/intel/ssp/ssp.h
View file

@ -136,6 +136,8 @@ struct dai_intel_ssp_plat_data {
#if SSP_IP_VER > SSP_IP_VER_1_5
uint32_t hdamlssp_base;
uint32_t i2svss_base;
#endif
#if SSP_IP_VER >= SSP_IP_VER_1_5
uint32_t link_clock;
#endif
int irq;