On 10 April 2015 at 11:40, Peter Griffin <peter.griffin@xxxxxxxxxx> wrote: > Hi, > > This series adds sd/emmc support to the sdhci-st.c driver for stih407 > family silicon. The changes mainly involve configuring some extra glue > registers in the flashSS which configure the Arasan controller. > > This series also adds support for UHS modes for eMMC. To allow > UHS HS200/SD104 modes to function correctly, due to the > tight timing constriants, support for delay management is also added. > Two types of delay management are supported, static delay management and > dynamic delay management, this delay management is only available > on eMMC pads on stih410 and later silicon. > > This series has been tested with stih410-b2120 revd on eMMC and sd, at > various clock speeds. As part of this testing a bug was also found in the > upstream flexgen clock set_rate implementation (now fixed upstream). > > max-frequency = 200Mhz > /dev/mmcblk0p1: > Timing buffered disk reads: 270 MB in 3.02 seconds = 89.54 MB/sec > > max-frequency = 100Mhz > root@debian-armhf:~# hdparm -t /dev/mmcblk0p1 > /dev/mmcblk0p1: > Timing buffered disk reads: 210 MB in 3.00 seconds = 70.00 MB/sec > > max-frequency = 50Mhz > root@debian-armhf:~# hdparm -t /dev/mmcblk0p1 > /dev/mmcblk0p1: > Timing buffered disk reads: 118 MB in 3.00 seconds = 39.28 MB/sec > > It has also been tested on stih416-b2020 to ensure we have caused no > regressions. Finally the dt documentation has been updated to reflect > the changes in the driver code. Intrestingly it seems we are the first > upstream platform to be using some of the uhs bindings such as > sd-uhs-sdr104. > > Changes since v4: > - Fixup typo (Pete) > > Changes since v3: > - Rebased on Ulf's mmc next branch (rc5 based) (Ulf) > > Changes since v2: > - Some whitespace fixups (Max) > - if (!ioaddr) suggestion (Max) > - Add stih418-b2199 suport (Max) > - Stih410 to STiH410 fixes (Max) > - rebased on v4.0-rc6 (Pete) > > Changes since v1: > - Partition the changes into smaller patches to aid review process (Ulf) > > Peter Griffin (9): > mmc: sdhci-st: Add macros for register offsets and bitfields for mmcss > glue regs > mmc: sdhci-st: Add support for de-asserting reset signal and top regs > resource > mmc: sdhci-st: Add delay management functions for top registers > (eMMC). > mmc: sdhci-st: Add st_mmcss_cconfig function to configure mmcss glue > registers. > mmc: sdhci-st: Add sdhci_st_set_uhs_signaling function. > mmc: sdhci-st: Update the quirks for this controller. > mmc: sdhci-st: Update ST SDHCI binding documentation. > ARM: STi: DT: STiH407: Add dt nodes for sdhci and emmc. > ARM: STi: DT: STiH418: Add dt nodes for sdhci and emmc. > > Documentation/devicetree/bindings/mmc/sdhci-st.txt | 100 +++++- > arch/arm/boot/dts/stih407-family.dtsi | 30 ++ > arch/arm/boot/dts/stih410-b2120.dts | 10 + > arch/arm/boot/dts/stih418-b2199.dts | 12 + > arch/arm/boot/dts/stihxxx-b2120.dtsi | 8 + > drivers/mmc/host/sdhci-st.c | 354 ++++++++++++++++++++- > 6 files changed, 500 insertions(+), 14 deletions(-) > > -- > 1.9.1 > Thanks! Applied. Kind regards Uffe -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
