diff options
| author | Judith Mendez <jm@ti.com> | 2024-03-20 17:38:32 -0500 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2024-04-02 12:21:39 +0200 |
| commit | d465234493bb6ad1b9c10a0c9ef9881b8d85081a (patch) | |
| tree | aecd4ec80374a6d3bb3691e1ca59925650755a14 /drivers/mmc | |
| parent | 6231d99dd4119312ad41abf9383e18fec66cbe4b (diff) | |
| download | lwn-d465234493bb6ad1b9c10a0c9ef9881b8d85081a.tar.gz lwn-d465234493bb6ad1b9c10a0c9ef9881b8d85081a.zip | |
mmc: sdhci_am654: Write ITAPDLY for DDR52 timing
For DDR52 timing, DLL is enabled but tuning is not carried
out, therefore the ITAPDLY value in PHY CTRL 4 register is
not correct. Fix this by writing ITAPDLY after enabling DLL.
Fixes: a161c45f2979 ("mmc: sdhci_am654: Enable DLL only for some speed modes")
Signed-off-by: Judith Mendez <jm@ti.com>
Reviewed-by: Andrew Davis <afd@ti.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20240320223837.959900-3-jm@ti.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci_am654.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci_am654.c b/drivers/mmc/host/sdhci_am654.c index d8c9821b0b66..cfb614d0b42b 100644 --- a/drivers/mmc/host/sdhci_am654.c +++ b/drivers/mmc/host/sdhci_am654.c @@ -300,6 +300,7 @@ static void sdhci_am654_set_clock(struct sdhci_host *host, unsigned int clock) if (timing > MMC_TIMING_UHS_SDR25 && clock >= CLOCK_TOO_SLOW_HZ) { sdhci_am654_setup_dll(host, clock); sdhci_am654->dll_enable = true; + sdhci_am654_write_itapdly(sdhci_am654, sdhci_am654->itap_del_sel[timing]); } else { sdhci_am654_setup_delay_chain(sdhci_am654, timing); sdhci_am654->dll_enable = false; |