diff options
| author | Patrice Chotard <patrice.chotard@st.com> | 2018-01-18 17:34:21 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2018-01-18 20:14:45 +0300 |
| commit | 2a9d6c8060894ce06855b09d62be64110e48f27e (patch) | |
| tree | df38cb28bdeebd6744072a539022f592e805a35f /drivers/mmc/host/mmci.c | |
| parent | f9bb304ce855fad615c5adffae5e129941ff0b48 (diff) | |
| download | linux-2a9d6c8060894ce06855b09d62be64110e48f27e.tar.xz | |
mmc: mmci: Add STM32 variant
STM32F4 and STM32F7 MCUs has a SDIO controller that looks like
an ARM PL810.
This patch adds the STM32 variant so that mmci driver supports it.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/mmci.c')
| -rw-r--r-- | drivers/mmc/host/mmci.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index f8a21f3c3b51..6246eaada750 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -244,6 +244,23 @@ static struct variant_data variant_ux500v2 = { .opendrain = MCI_OD, }; +static struct variant_data variant_stm32 = { + .fifosize = 32 * 4, + .fifohalfsize = 8 * 4, + .clkreg = MCI_CLK_ENABLE, + .clkreg_enable = MCI_ST_UX500_HWFCEN, + .clkreg_8bit_bus_enable = MCI_ST_8BIT_BUS, + .clkreg_neg_edge_enable = MCI_ST_UX500_NEG_EDGE, + .datalength_bits = 24, + .datactrl_mask_sdio = MCI_DPSM_ST_SDIOEN, + .st_sdio = true, + .st_clkdiv = true, + .pwrreg_powerup = MCI_PWR_ON, + .f_max = 48000000, + .pwrreg_clkgate = true, + .pwrreg_nopower = true, +}; + static struct variant_data variant_qcom = { .fifosize = 16 * 4, .fifohalfsize = 8 * 4, @@ -2021,6 +2038,11 @@ static const struct amba_id mmci_ids[] = { .mask = 0xf0ffffff, .data = &variant_ux500v2, }, + { + .id = 0x00880180, + .mask = 0x00ffffff, + .data = &variant_stm32, + }, /* Qualcomm variants */ { .id = 0x00051180, |