On 03/19/2013 08:41 AM, Wenyou Yang : > Hi All, > > This set of patches is to add dmaengine support for atmel spi and to test > device tree support. > > The work is based on Nicolas and Richard's work. > > Because the dma engine device tree support isn't available now, to > at91sam9x5ek and at91sam9n12ek > with dma support, it doesn't work on the dmaengine mode, only on PIO mode so > far. > > It has been tested as below: > 1./tested on v3.9-rc3, by using mtd utils, "mount", "umount" and "cp" > commands. > 2./tested on "spi/next" git tree after changing master->num_chipselect which > fixed in v3.9-rc1. > 3./tested by using Documentation/spi/spidev_test.c on "/dev/spidev". > 4./tested on on at91sam9x5ek, at91sam9m10g45ek, at91sam9263ek and > at91sam9g20ek boards. > > It is based on v3.9-rc3 + Joachim Eastwood's spi/atmel: fix speed_hz check in > atmel_spi_transfer(). > > Changelog: > v7: > 1./ remove patch: fix probing failure after xfer->speed_hz set. > 2./ remove patch: add pinctrl support for atmel spi.
It it makes sense, you can add my: Acked-by: Nicolas Ferre <nicolas.fe...@atmel.com> on patches that I did not acknowledged yet. Grant, Can we move forward with this patch series so that we can build on solid bases for future developments on atmel SPI. Thanks, best regards. > v6: > 1./ remove: fix master->num_chipselect wrongly set patch which isn't a > issue in v3.9-rc1. > 2./ fix probing failure after xfer->speed_hz set. > > v5: > 1./ add pinctrl patches. > 2./ detect capabilities by reading spi version register to replace > multiple compatiles. > 3./ change the "cs-gpios" property of spi node. > 4./ rebase on v3.8. > > v4: > 1./ Take Joe Perches's adivce, rewrite atmel_spi_is_v2(struct atmel_spi > *as) > and atmel_spi_use_dma(struct atmel_spi *as), > and remove atmel_spi_use_pdc(struct atmel_spi *as). > 2./ Rebase on v3.8-rc3. > > V3: > 1./ Rebase on v3.8-rc2. > 2./ Remove some Jean-Christophe's patches which has been applied on > v3.8-rc2. > 3./ Remove spi property "cs-gpios" from the SoC dtsi files to the board > dts files > to avoid some useless pin conflicts. > > v2: > 1./ Remove the patch :PATCH]mtd: m25p80: change the m25p80_read to > reading page to page > which purpose to fix the BUG: when run "flashcp /bin/busybox > /dev/mtdX" in the at91sam9g25ek > with DMA mode, it arises a OOPS. Now fix it in this patch: > [PATHC] spi/atmel_spi: add dmaengine support changing to fix the > [BUG]. > 2./ Remove two patches: > which purpose to read dts property to select SPI IP version and DMA > mode > Now they will be gat from device tree different compatile. > 3./ Fix DMA: when enable both spi0 AND spi1, the spi0 doesn't work BUG. > 4./ Rebase v3.7-rc8. > > Best Regards, > Wenyou Yang. > > > Nicolas Ferre (5): > spi/spi-atmel: add physical base address > spi/spi-atmel: call unmapping on transfers buffers > spi/spi-atmel: status information passed through controller data > spi/spi-atmel: add flag to controller data for lock operations > spi/spi-atmel: add dmaengine support > > Richard Genoud (6): > spi/spi-atmel: fix spi-atmel driver to adapt to slave_config changes > spi/spi-atmel: correct 16 bits transfers using PIO > spi/spi-atmel: correct 16 bits transfers with DMA > ARM: at91: add clocks for spi dt entries > ARM: dts: add spi nodes for atmel SoC > ARM: dts: add spi nodes for the atmel boards > > Wenyou Yang (3): > spi/spi-atmel: detect the capabilities of SPI core by reading the > VERSION register. > spi/spi-atmel: add support transfer on CS1,2,3, not only on CS0 > ARM: dts: add pinctrl property for spi node for atmel SoC > > arch/arm/boot/dts/at91sam9260.dtsi | 40 ++ > arch/arm/boot/dts/at91sam9263.dtsi | 40 ++ > arch/arm/boot/dts/at91sam9263ek.dts | 10 + > arch/arm/boot/dts/at91sam9g20ek_common.dtsi | 10 + > arch/arm/boot/dts/at91sam9g45.dtsi | 40 ++ > arch/arm/boot/dts/at91sam9m10g45ek.dts | 10 + > arch/arm/boot/dts/at91sam9n12.dtsi | 40 ++ > arch/arm/boot/dts/at91sam9n12ek.dts | 10 + > arch/arm/boot/dts/at91sam9x5.dtsi | 40 ++ > arch/arm/boot/dts/at91sam9x5ek.dtsi | 10 + > arch/arm/mach-at91/at91sam9260.c | 2 + > arch/arm/mach-at91/at91sam9g45.c | 2 + > arch/arm/mach-at91/at91sam9n12.c | 2 + > arch/arm/mach-at91/at91sam9x5.c | 2 + > drivers/spi/spi-atmel.c | 753 > ++++++++++++++++++++++++--- > 15 files changed, 945 insertions(+), 66 deletions(-) > -- Nicolas Ferre ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_mar _______________________________________________ spi-devel-general mailing list spi-devel-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/spi-devel-general
