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u-boot/drivers/mmc
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Marek Vasut 8e5266eefd mmc: stm32_sdmmc2: Add support for probing bus voltage level translator 
Add support for testing whether bus voltage level translator is present
and operational. This is useful on systems where the bus voltage level
translator is optional, as the translator can be auto-detected by the
driver and the feedback clock functionality can be disabled if it is
not present.

The translator test sets CMD high to avoid interfering with a card, and
then verifies whether signal set on CK is detected on CKIN. If the signal
is detected, translator is present, otherwise the CKIN feedback clock are
disabled.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Yann Gautier <yann.gautier@foss.st.com>
2021-11-30 16:43:28 +01:00
..
am654_sdhci.c mmc: sdhci_am654: Read ti, strobe-sel property from device tree 2021-07-27 10:56:09 +05:30
arm_pl180_mmci.c mmc: arm_pl180_mmci: Enable HWFC for specific versions of MCI 2021-10-29 18:22:32 +09:00
arm_pl180_mmci.h mmc: arm_pl180_mmci: Enable HWFC for specific versions of MCI 2021-10-29 18:22:32 +09:00
aspeed_sdhci.c dm: treewide: Rename dev_get_platdata() to dev_get_plat() 2020-12-13 16:51:09 -07:00
atmel_sdhci.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
bcm2835_sdhci.c dm: treewide: Rename dev_get_platdata() to dev_get_plat() 2020-12-13 16:51:09 -07:00
bcm2835_sdhost.c dm: treewide: Rename dev_get_platdata() to dev_get_plat() 2020-12-13 16:51:09 -07:00
bcmstb_sdhci.c dm: treewide: Rename dev_get_platdata() to dev_get_plat() 2020-12-13 16:51:09 -07:00
ca_dw_mmc.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
davinci_mmc.c dm: treewide: Rename ofdata_to_platdata() to of_to_plat() 2020-12-13 16:51:09 -07:00
dw_mmc.c mmc: dw_mmc: Fixes data read when receiving DTO interrupt in FIFO mode 2021-06-22 12:02:11 +08:00
exynos_dw_mmc.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
f_sdh30.c mmc: synquacer: Add SynQuacer F_SDH30 SDHCI driver 2021-07-06 14:07:36 -04:00
fsl_esdhc.c drivers: mmc: Add wait_dat0 support for Freescale eSDHC driver 2021-10-29 18:22:32 +09:00
fsl_esdhc_imx.c mmc: sdhci-esdhc-imx: Add HS400 support for iMX7ULP 2021-10-07 21:58:49 +02:00
fsl_esdhc_spl.c mmc: fsl_esdhc_spl: remove superfluous free() 2021-01-18 15:23:06 -05:00
ftsdc010_mci.c clk: Rename clk_get_by_driver_info() 2021-09-25 09:46:15 -06:00
ftsdc010_mci.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
gen_atmel_mci.c dm: treewide: Rename dev_get_platdata() to dev_get_plat() 2020-12-13 16:51:09 -07:00
hi6220_dw_mmc.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
iproc_sdhci.c drivers: mmc: iproc_sdhci: enable HS200 mode 2021-03-02 13:53:37 +01:00
jz_mmc.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
Kconfig Kconfig: Remove all default n/no options 2021-08-31 17:47:49 -04:00
kona_sdhci.c common: Drop linux/delay.h from common header 2020-05-18 21:19:23 -04:00
Makefile WS cleanup: remove SPACE(s) followed by TAB 2021-09-30 09:08:16 -04:00
meson_gx_mmc.c mmc: meson_gx_mmc: use mmc_pwrseq instead of meson_mmc_pwrseq 2021-02-19 15:10:46 +08:00
meson_gx_mmc.h dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
mmc-pwrseq.c mmc: pwrseq: add mmc-pwrseq file to provide a generic interface 2021-02-19 15:10:41 +08:00
mmc-uclass.c mmc: Allow for children other than the block device 2021-11-28 16:51:51 -07:00
mmc.c mmc: Fix mmc_switch excessive timeout 2021-10-29 18:22:32 +09:00
mmc_boot.c common: Drop log.h from common header 2020-05-18 21:19:18 -04:00
mmc_legacy.c Move eSDHC adapter card identification to board files 2020-07-27 14:16:28 +05:30
mmc_private.h mmc: fsl_esdhc_imx: use mmc_send_cmd instead of dm_mmc_send_cmd 2021-06-22 12:03:11 +08:00
mmc_spi.c mmc: mmc_spi: Document the 3 local functions 2021-02-19 15:08:03 +08:00
mmc_write.c dm: treewide: Rename 'platdata' variables to just 'plat' 2020-12-13 16:51:08 -07:00
msm_sdhci.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
mtk-sd.c mmc: mtk-sd: implement waiting for DAT0 line state 2021-11-17 17:04:59 -05:00
mv_sdhci.c arm: Remove aspenite board 2021-10-01 12:10:09 -04:00
mvebu_mmc.c mmc: mvebu: convert to driver model 2021-04-08 08:50:52 +02:00
mxcmmc.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
mxsmmc.c treewide: Simply conditions with the new OF_REAL 2021-09-25 09:46:15 -06:00
nexell_dw_mmc.c mmc: dwmmc: Change designware MMC 'clksel' callback function to return status 2021-01-15 17:48:36 +08:00
octeontx_hsmmc.c mmc: octeontx_hsmmc: Add support for MIPS Octeon 2021-04-22 02:47:57 +02:00
octeontx_hsmmc.h mmc: Add MMC controller driver for OcteonTX / TX2 2020-08-25 08:01:16 +02:00
omap_hsmmc.c ti: keystone: Move away from CONFIG_SOC_KEYSTONE 2021-09-27 21:38:34 -04:00
pci_mmc.c mmc: pci_mmc: Set up the card detect 2021-03-27 13:59:37 +13:00
pic32_sdhci.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
piton_mmc.c mmc: openpiton: add piton_mmc driver 2021-07-06 13:50:56 +08:00
pxa_mmc_gen.c dm: treewide: Rename dev_get_platdata() to dev_get_plat() 2020-12-13 16:51:09 -07:00
renesas-sdhi.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
rockchip_dw_mmc.c clk: Rename clk_get_by_driver_info() 2021-09-25 09:46:15 -06:00
rockchip_sdhci.c mmc: rockchip_sdhci: enable strobe line for HS400 2021-10-15 20:57:41 +08:00
rpmb.c mmc: rpmb: Fix driver routing memory alignment with tmp buffer 2021-07-30 17:12:15 +08:00
s5p_sdhci.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
sandbox_mmc.c sandbox: mmc: Support a backing file 2021-11-28 16:51:51 -07:00
sdhci-adma.c mmc: sdhci: move the ADMA2 table handling into own module 2020-10-12 15:50:19 +08:00
sdhci-cadence.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
sdhci.c drivers: mmc: Add wait_dat0 support for sdhci driver 2021-10-29 18:22:32 +09:00
sh_mmcif.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
sh_mmcif.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
sh_sdhi.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
snps_dw_mmc.c dm: treewide: Rename ofdata_to_platdata() to of_to_plat() 2020-12-13 16:51:09 -07:00
socfpga_dw_mmc.c mmc: dwmmc: socfpga: Get "fifo-mode" property from DT 2021-06-22 12:02:32 +08:00
sti_sdhci.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
stm32_sdmmc2.c mmc: stm32_sdmmc2: Add support for probing bus voltage level translator 2021-11-30 16:43:28 +01:00
sunxi_mmc.c mmc: sunxi: conditionally include MMC2 initialization code 2021-10-25 14:54:57 +01:00
tangier_sdhci.c dm: treewide: Rename dev_get_platdata() to dev_get_plat() 2020-12-13 16:51:09 -07:00
tegra_mmc.c dm: treewide: Rename dev_get_platdata() to dev_get_plat() 2020-12-13 16:51:09 -07:00
tmio-common.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
tmio-common.h mmc: tmio: sdhi: Configure internal DMA bus width 2021-01-31 14:08:45 +01:00
uniphier-sd.c dm: treewide: Rename 'platdata' variables to just 'plat' 2020-12-13 16:51:08 -07:00
xenon_sdhci.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
zynq_sdhci.c mmc: zynq_sdhci: Add xilinx_pm_request weak function 2021-10-21 08:50:59 +02:00