From mboxrd@z Thu Jan 1 00:00:00 1970 From: nicolas.ferre@atmel.com (Nicolas Ferre) Date: Fri, 22 Mar 2013 10:26:06 +0100 Subject: [PATCH v7 00/14] spi/spi-atmel: add dmaengine support for atmel spi controller and to test the device tree support In-Reply-To: <514AD3A2.50203@atmel.com> References: <1363678866-3567-1-git-send-email-wenyou.yang@atmel.com> <514AD3A2.50203@atmel.com> Message-ID: <514C23AE.7080101@atmel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 03/21/2013 10:32 AM, Nicolas Ferre : > 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 > > 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. Moreover, if it can ease the process, I can take patches 11, 12, 13 and 14 with at91-dt branch and submit that to arm-soc. Tell me if you feel it is better... Bye, >> 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