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| author | Simon Horman <horms+renesas@verge.net.au> | 2017-06-21 17:00:29 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-08-30 15:01:21 +0300 |
| commit | 2a68ea7896e3277d875c5d5e7f34cf2937cb55c3 (patch) | |
| tree | 9c3d5c106e7c9fb555821a54f65f596884e34259 /drivers/mmc/host/Kconfig | |
| parent | 92d0f925e6344a24b12a6eeb4f1030ec0e70e8d1 (diff) | |
| download | linux-2a68ea7896e3277d875c5d5e7f34cf2937cb55c3.tar.xz | |
mmc: renesas-sdhi: add support for R-Car Gen3 SDHI DMAC
Add a new variant of the SDHI driver to support R-Car Gen3 with DMA via
on-chip bus mastering. Since the DMAC is in a part of the SDHI module it
is not suitable to be used via DMA Engine.
Clearing of DM_CM_INFO1 after DMA thanks to Dirk Behme
Cc: Dirk Behme <dirk.behme@de.bosch.com>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Ai Kyuse <ai.kyuse.uw@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/Kconfig')
| -rw-r--r-- | drivers/mmc/host/Kconfig | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 5755b69f2f72..81c81ed19735 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -575,10 +575,29 @@ config MMC_SDHI depends on SUPERH || ARM || ARM64 depends on SUPERH || ARCH_RENESAS || COMPILE_TEST select MMC_TMIO_CORE + select MMC_SDHI_SYS_DMAC if (SUPERH || ARM) + select MMC_SDHI_INTERNAL_DMAC if ARM64 help This provides support for the SDHI SD/SDIO controller found in Renesas SuperH, ARM and ARM64 based SoCs +config MMC_SDHI_SYS_DMAC + tristate "DMA for SDHI SD/SDIO controllers using SYS-DMAC" + depends on MMC_SDHI + help + This provides DMA support for SDHI SD/SDIO controllers + using SYS-DMAC via DMA Engine. This supports the controllers + found in SuperH and Renesas ARM based SoCs. + +config MMC_SDHI_INTERNAL_DMAC + tristate "DMA for SDHI SD/SDIO controllers using on-chip bus mastering" + depends on ARM64 || COMPILE_TEST + depends on MMC_SDHI + help + This provides DMA support for SDHI SD/SDIO controllers + using on-chip bus mastering. This supports the controllers + found in arm64 based SoCs. + config MMC_CB710 tristate "ENE CB710 MMC/SD Interface support" depends on PCI |