mmc: mmci: increase stm32 sdmmcv2 clock max freq
authorYann Gautier <yann.gautier@foss.st.com>
Wed, 15 Dec 2021 14:17:25 +0000 (15:17 +0100)
committerUlf Hansson <ulf.hansson@linaro.org>
Tue, 21 Dec 2021 12:06:10 +0000 (13:06 +0100)
The variant->f_max is dependent on the IP, not on the SoC where it is
embedded. Set the max frequency of its source clock to 267MHz.
The frequency used will be limited by the IOs max frequency, set in the
SoC device tree.

Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20211215141727.4901-3-yann.gautier@foss.st.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/host/mmci.c

index c0478dfa61b9bba294d9437bdb8c933359943163..45b8608c935cd70235953122d21b02dec63d8de7 100644 (file)
@@ -280,7 +280,7 @@ static struct variant_data variant_stm32_sdmmc = {
 static struct variant_data variant_stm32_sdmmcv2 = {
        .fifosize               = 16 * 4,
        .fifohalfsize           = 8 * 4,
-       .f_max                  = 208000000,
+       .f_max                  = 267000000,
        .stm32_clkdiv           = true,
        .cmdreg_cpsm_enable     = MCI_CPSM_STM32_ENABLE,
        .cmdreg_lrsp_crc        = MCI_CPSM_STM32_LRSP_CRC,