On 19 September 2016 at 22:57, Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> wrote: > This series enables SDHI instances on R-Car Gen3 to access eMMC with 8 bit bus > width. I think the patch descriptions speak for themselves. > > I decided to not protect this new feature with a flag because it needs > specifically to be enabled by setting the bus width to 8. No legacy platform > does that. > > Note that I decided to use the pattern that pinctrl-0 is 3.3v and > pinctrl-1 is 1.8v, although the eMMC is fixed at 1.8v. I tried a few ways to > only use pinctrl-0 being 1.8v here, but they all ended up to be confusing for > users IMO, so I sticked to the most consistent solution after all. > > Changes since V2: > > * correct node name for sd2_uhs in both devicetrees > > Changes since V1: > > * merged the two distinct series (drivers + DTS) into one: patches 1-4 are for > Ulf, I will ping Simon for patches 5+6 when the time is ready. > > * DTS now contains 'non-removable' and we have a software workaround for now. > > These patches are based on top of Simon's sdr104-v7 patches but they apply to > current mmc/next as well. A branch can be found here: > > git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git renesas/topic/sdhi-8bit-emmc > > Please review, comment, apply... > > Wolfram > > Wolfram Sang (6): > mmc: add define for R1 response without CRC > mmc: rtsx_pci: use new macro for R1 without CRC > mmc: rtsx_usb: use new macro for R1 without CRC > mmc: tmio: add eMMC support > arm64: dts: r8a7795: salvator: enable on-board eMMC > arm64: dts: r8a7796: salvator: enable on board eMMC > > arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts | 43 +++++++++++++++++++++ > arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts | 44 +++++++++++++++++++++- > drivers/mmc/host/rtsx_pci_sdmmc.c | 2 +- > drivers/mmc/host/rtsx_usb_sdmmc.c | 2 +- > drivers/mmc/host/tmio_mmc.h | 3 ++ > drivers/mmc/host/tmio_mmc_pio.c | 38 +++++++++++++------ > include/linux/mmc/core.h | 3 ++ > 7 files changed, 120 insertions(+), 15 deletions(-) > Thanks, applied patch 1->4 for next. I assume Simon will pick up the DT changes, sooner or later. Kind regards Uffe
