[PATCH 04/14] mmc: mmci: Add STM32 variant
From: patrice.chotard at st.com <hidden>
Date: 2018-01-12 12:18:27
Also in:
linux-clk, linux-devicetree, linux-gpio, linux-mmc, lkml
Subsystem:
arm primecell mmci pl180/1 driver, multimedia card (mmc), secure digital (sd) and sdio subsystem, the rest · Maintainers:
Russell King, Ulf Hansson, Linus Torvalds
From: Patrice Chotard <redacted> 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 <redacted> Signed-off-by: Patrice Chotard <redacted> --- drivers/mmc/host/mmci.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+)
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 38e8c20..9fb5035 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c@@ -245,6 +245,23 @@ struct variant_data { .opendrain = true, }; +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,
@@ -2019,6 +2036,11 @@ static int mmci_runtime_resume(struct device *dev) .mask = 0xf0ffffff, .data = &variant_ux500v2, }, + { + .id = 0x00880180, + .mask = 0x00ffffff, + .data = &variant_stm32, + }, /* Qualcomm variants */ { .id = 0x00051180,
--
1.9.1