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* spi: spi_sh_msiof: Fixed data sampling on the correct edgeMarkus Pietrek2010-02-01
| | | | | | | | | | | | | | | | The spi_sh_msiof.c driver presently misconfigures REDG and TEDG. TEDG==0 outputs data at the **rising edge** of the clock and REDG==0 samples data at the **falling edge** of the clock. Therefore for SPI, TEDG must be equal to REDG, otherwise the last byte received is not sampled in SPI mode 3. This brings the driver in line with the SH7723 HW Reference Manual settings documented in Figures 20.20 and 20.21 ("SPI Clock and data timing"). Signed-off-by: Markus Pietrek <Markus.Pietrek@emtrion.de> Acked-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* Merge branch 'next-spi' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds2009-12-17
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'next-spi' of git://git.secretlab.ca/git/linux-2.6: spi: spi_txx9.c: use resource_size() spi: spi_sh_sci.c: use resource_size() spi: spi_mpc8xxx.c: use resource_size() spi: spi_bfin5xx.c: use resource_size() spi: atmel_spi.c: use resource_size() spi: Add s3c64xx SPI Controller driver atmel_spi: fix dma addr calculation for len > BUFFER_SIZE spi_s3c24xx: add FIQ pseudo-DMA support spi: controller driver for Designware SPI core spidev: add proper section markers spidev: use DECLARE_BITMAP instead of declaring the array
| * spi: spi_txx9.c: use resource_size()hartleys2009-12-17
| | | | | | | | | | | | | | Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spi: spi_sh_sci.c: use resource_size()hartleys2009-12-17
| | | | | | | | | | | | Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spi: spi_mpc8xxx.c: use resource_size()hartleys2009-12-17
| | | | | | | | | | | | | | Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spi: spi_bfin5xx.c: use resource_size()hartleys2009-12-17
| | | | | | | | | | | | | | Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Bryan Wu <cooloney@kernel.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spi: atmel_spi.c: use resource_size()hartleys2009-12-17
| | | | | | | | | | | | Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spi: Add s3c64xx SPI Controller driverJassi Brar2009-12-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Each SPI controller has exactly one CS line and as such doesn't provide for multi-cs. We implement a workaround to support multi-cs by _not_ configuring the mux'ed CS pin for each SPI controller. The CS mechanism is assumed to be fully machine specific - the driver doesn't even assume some GPIO pin is used to control the CS. The driver selects between DMA and POLLING mode depending upon the xfer size - DMA mode for xfers bigger than FIFO size, POLLING mode otherwise. The driver has been designed to be capable of running SoCs since s3c64xx and till date, for that reason some of the register fields have been passed via, SoC specific, platform data. Signed-off-by: Jassi Brar <jassi.brar@samsung.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * atmel_spi: fix dma addr calculation for len > BUFFER_SIZEBen Nizette2009-12-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If len > BUFFER_LEN and !xfer->rx_buf we end up calculating the tx buffer address as *tx_dma = xfer->tx_dma + xfer->len - BUFFER_SIZE; which is constant; i.e. we just send the last BUFFER_SIZE data over again until we've reached the right number of bytes. This patch gets around this by using the /requested/ length when calculating addresses. Note there's no way len != *plen when we calculate the rx buffer address but conceptually we should be using *plen and I don't want someone to come through later, see the calculations for rx and tx are different and "clean up" back to what we had. Signed-off-by: Ben Nizette <bn@niasdigital.com> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spi_s3c24xx: add FIQ pseudo-DMA supportBen Dooks2009-12-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add pseudo-DMA by FIQ to the S3C24XX SPI driver. This allows the driver to get DMA-like performance where there are either no free DMA channels or when doing transfers that required both TX and RX data paths. Since this patch requires the addition of an assembly file to hold the FIQ code, we rename the module (instead of adding a rename of the .c file to this patch). We expect most users are loading this via udev and thus there should be no change to the userland configuration. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Simtec Linux Team <linux@simtec.co.uk> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spi: controller driver for Designware SPI coreFeng Tang2009-12-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Driver for the Designware SPI core, it supports multipul interfaces like PCI/APB etc. User can use "dw_apb_ssi_db.pdf" from Synopsys as HW datasheet. [randy.dunlap@oracle.com: fix build] [akpm@linux-foundation.org: build fix] Signed-off-by: Feng Tang <feng.tang@intel.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spidev: add proper section markersMike Frysinger2009-12-17
| | | | | | | | | | | | | | | | | | | | | | | | | | The driver already uses __devexit_p() in the structure, but looks like actual __dev{init,exit} markings were forgotten. The spidev_spi driver also needs renaming to include a "_driver" suffix to avoid section mismatch warnings. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spidev: use DECLARE_BITMAP instead of declaring the arrayThadeu Lima de Souza Cascardo2009-12-17
| | | | | | | | | | | | | | | | [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
* | const: constify remaining dev_pm_opsAlexey Dobriyan2009-12-15
| | | | | | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge branch 'next-spi' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds2009-12-14
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'next-spi' of git://git.secretlab.ca/git/linux-2.6: (23 commits) spi: fix probe/remove section markings Add OMAP spi100k driver spi-imx: don't access struct device directly but use dev_get_platdata spi-imx: Add mx25 support spi-imx: use positive logic to distinguish cpu variants spi-imx: correct check for platform_get_irq failing ARM: NUC900: Add spi driver support for nuc900 spi: SuperH MSIOF SPI Master driver V2 spi: fix spidev compilation failure when VERBOSE is defined spi/au1550_spi: fix setupxfer not to override cfg with zeros spi/mpc8xxx: don't use __exit_p to wrap plat_mpc8xxx_spi_remove spi/i.MX: fix broken error handling for gpio_request spi/i.mx: drain MXC SPI transfer buffer when probing device MAINTAINERS: add SPI co-maintainer. spi/xilinx_spi: fix incorrect casting spi/mpc52xx-spi: minor cleanups xilinx_spi: add a platform driver using the xilinx_spi common module. xilinx_spi: add support for the DS570 IP. xilinx_spi: Switch to iomem functions and support little endian. xilinx_spi: Split into of driver and generic part. ...
| * spi: fix probe/remove section markingsGrant Likely2009-12-13
| | | | | | | | | | | | | | | | | | Probe/remove functions need to be marked as __devinit and __devexit (not __init an __exit) to prevent trying to run code that has been discarded. This patch fixes the spi_imx driver to mark probe and remove correctly. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * Add OMAP spi100k driverCory Maccarrone2009-12-13
| | | | | | | | | | | | | | | | | | | | | | | | | | This change adds the OMAP SPI 100k driver created by Fabrice Crohas <fcrohas@gmail.com>. This SPI bus is found on OMAP7xx-series smartphones, and for many, the touchscreen is attached to this bus. The lion's share of the work was done by Fabrice on this driver -- I am merely porting it from the Linwizard project on his behalf. Signed-off-by: Cory Maccarrone <darkstar6262@gmail.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spi-imx: don't access struct device directly but use dev_get_platdataUwe Kleine-König2009-12-13
| | | | | | | | | | | | | | Also there is no casting needed to assign a void pointer. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spi-imx: Add mx25 supportSascha Hauer2009-12-13
| | | | | | | | | | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spi-imx: use positive logic to distinguish cpu variantsUwe Kleine-König2009-12-13
| | | | | | | | | | | | | | This is much safer when support for new variants is added. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spi-imx: correct check for platform_get_irq failingUwe Kleine-König2009-12-13
| | | | | | | | | | | | | | | | platform_get_irq returns -ENXIO if there is no entry. So ensure return value is greater than zero instead of non-zero. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * ARM: NUC900: Add spi driver support for nuc900Wan ZongShun2009-12-13
| | | | | | | | | | Signed-off-by: Wan ZongShun <mcuos.com@gmail.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spi: SuperH MSIOF SPI Master driver V2Magnus Damm2009-12-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch is V2 of SPI Master support for the SuperH MSIOF. Full duplex, spi mode 0-3, active high cs, 3-wire and lsb first should all be supported, but the driver has so far only been tested with "mmc_spi". The MSIOF hardware comes with 32-bit FIFOs for receive and transmit, and this driver simply breaks the SPI messages into FIFO-sized chunks. The MSIOF hardware manages the pins for clock, receive and transmit (sck/miso/mosi), but the chip select pin is managed by software and must be configured as a regular GPIO pin by the board code. Performance wise there is still room for improvement, but on a Ecovec board with the built-in sh7724 MSIOF0 this driver gets Mini-sd read speeds of about half a megabyte per second. Future work include better clock setup and merging of 8-bit transfers into 32-bit words to reduce interrupt load and improve throughput. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spi: fix spidev compilation failure when VERBOSE is definedFlorian Fainelli2009-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When VERBOSE is defined in the spidev module, the compilation will throw an error on 'spi' not being defined: CC [M] drivers/spi/spidev.o drivers/spi/spidev.c: In function 'spidev_message': drivers/spi/spidev.c:266: error: 'spi' undeclared (first use in this function) drivers/spi/spidev.c:266: error: (Each undeclared identifier is reported only once drivers/spi/spidev.c:266: error: for each function it appears in.) instead of using spi-> we should actually use spidev->spi. This patch fixes the build failure. Signed-off-by: Florian Fainelli <ffainelli@freebox.fr> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spi/au1550_spi: fix setupxfer not to override cfg with zerosJan Nikitenko2009-12-08
| | | | | | | | | | | | | | | | fix setupxfer() not to override generic configuration of speed_hz and bits_per_word with zeros Signed-off-by: Jan Nikitenko <jan.nikitenko@gmail.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spi/mpc8xxx: don't use __exit_p to wrap plat_mpc8xxx_spi_removeUwe Kleine-König2009-12-08
| | | | | | | | | | | | | | | | The function plat_mpc8xxx_spi_remove is defined using __devexit, so don't use __exit_p but __devexit_p to wrap it. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spi/i.MX: fix broken error handling for gpio_requestJohn Ogness2009-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | i.MX35-provided chipselects are represented using negative numbers. If gpio_request() fails and the previous chipselect was a negative number, the while loop is endless (i is never decremented). Also, the error loop would never call gpio_free on chipselect[0]. And finally, the error message was missing an endline. Signed-off-by: John Ogness <john.ogness@linutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spi/i.mx: drain MXC SPI transfer buffer when probing deviceDaniel Mack2009-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | On the MX31litekit, the bootloader seems to communicate with the MC13783 PMIC chip before booting Linux. However, it does not flush all the buffers properly after that, which makes the imx-spi driver read bogus data when probing the MC13783. Fix that by draining the SPI receive buffer on startup. Signed-off-by: Daniel Mack <daniel@caiaq.de> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spi/xilinx_spi: fix incorrect castingGrant Likely2009-12-08
| | | | | | | | | | | | | | | | | | | | | | | | This patch fixes the error exposed by the following build warning: drivers/spi/xilinx_spi.c: In function 'xilinx_spi_init': drivers/spi/xilinx_spi.c:411: warning: cast from pointer to integer of different size Fixed by change %x to %p in the format string. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * spi/mpc52xx-spi: minor cleanupsWolfram Sang2009-12-08
| | | | | | | | | | | | | | | | | | | | | | - drop own, obsolete include-file - drop IRQF_SAMPLE_RANDOM (deprecated feature) - drop 'if' above kfree() - typos, braces & whitespaces Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Luotao Fu <l.fu@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * xilinx_spi: add a platform driver using the xilinx_spi common module.Richard Röjfors2009-12-08
| | | | | | | | | | | | | | | | This patch adds in a platform device driver using the xilinx_spi common module. Tested-by: John Linn <John.Linn@xilinx.com> Signed-off-by: Richard Röjfors <richard.rojfors@mocean-labs.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * xilinx_spi: add support for the DS570 IP.Richard Röjfors2009-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds in support for the DS570 IP. It's register compatible with the DS464, but adds support for 8/16/32 SPI. The 8/16/32 support is added by attaching callbacks reading/writing the proper amount of data. To indicate to the driver which amount of bits to use a new field is introduced in the platform data struct. Acked-by: Grant Likely <grant.likely@secretlab.ca> Tested-by: John Linn <John.Linn@xilinx.com> Signed-off-by: Richard Röjfors <richard.rojfors@mocean-labs.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * xilinx_spi: Switch to iomem functions and support little endian.Richard Röjfors2009-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch changes the out_(be)(8|16|32) and in_(be)(8|16|32) calls to 32 bits ioread/iowrite. The read and write function are attached to the internal struct as callbacks, callback is selected depending on endianess. This will also build on platforms not supporting the in/out calls for instance x86. Acked-by: Grant Likely <grant.likely@secretlab.ca> Tested-by: John Linn <John.Linn@xilinx.com> Signed-off-by: Richard Röjfors <richard.rojfors@mocean-labs.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * xilinx_spi: Split into of driver and generic part.Richard Röjfors2009-12-08
| | | | | | | | | | | | | | | | | | | | | | This patch splits the xilinx_spi driver into a generic part and a OF driver part. The reason for this is to later add in a platform driver as well. Tested-by: John Linn <John.Linn@xilinx.com> Signed-off-by: Richard Röjfors <richard.rojfors@mocean-labs.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * mpc52xx_spi: add gpio chipselectLuotao Fu2009-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This one enables the mpc52xx_spi driver for usage of user defined gpio lines as chipselect. This way we can control some more spi devices than only one V2 Changes: * preinitialize the gpio as output in probe function and call gpio_set_value in the chip select function instead of calling direction_output every time. * initialize the gpio line with output high, since we don't support CS_HIGH in the driver currently any way. change gpio value setting to default active low in chip select call. * free the gpio array while error or removing. Signed-off-by: Luotao Fu <l.fu@pengutronix.de> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * mpc52xx_spi: add missing mode_bits definitionLuotao Fu2009-12-08
| | | | | | | | | | | | | | | | | | V2 changes: * remove CS_HIGH mode Signed-off-by: Luotao Fu <l.fu@pengutronix.de> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * mpc52xx_spi: fix clearing status registerLuotao Fu2009-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Before reading status register to check MODF failure, we have to clear it first since the MODF flag will be set after initializing the spi master, if the hardware comes up with a low SS. The processor datasheet reads: Mode Fault flag -- bit sets if SS input goes low while SPI is configured as a master. Flag is cleared automatically by an SPI status register read (with MODF set) followed by a SPI control register 1 write. Hence simply rereading the register is not sufficient to clear the flag. We redo the write also to make sure to clear the flag. V2 Changes: * change variable type from int to u8 Signed-off-by: Luotao Fu <l.fu@pengutronix.de> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
* | Merge branch 'next' of ↵Linus Torvalds2009-12-12
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (151 commits) powerpc: Fix usage of 64-bit instruction in 32-bit altivec code MAINTAINERS: Add PowerPC patterns powerpc/pseries: Track previous CPPR values to correctly EOI interrupts powerpc/pseries: Correct pseries/dlpar.c build break without CONFIG_SMP powerpc: Make "intspec" pointers in irq_host->xlate() const powerpc/8xx: DTLB Miss cleanup powerpc/8xx: Remove DIRTY pte handling in DTLB Error. powerpc/8xx: Start using dcbX instructions in various copy routines powerpc/8xx: Restore _PAGE_WRITETHRU powerpc/8xx: Add missing Guarded setting in DTLB Error. powerpc/8xx: Fixup DAR from buggy dcbX instructions. powerpc/8xx: Tag DAR with 0x00f0 to catch buggy instructions. powerpc/8xx: Update TLB asm so it behaves as linux mm expects. powerpc/8xx: Invalidate non present TLBs powerpc/pseries: Serialize cpu hotplug operations during deactivate Vs deallocate pseries/pseries: Add code to online/offline CPUs of a DLPAR node powerpc: stop_this_cpu: remove the cpu from the online map. powerpc/pseries: Add kernel based CPU DLPAR handling sysfs/cpu: Add probe/release files powerpc/pseries: Kernel DLPAR Infrastructure ...
| * \ Merge commit 'origin/master' into nextBenjamin Herrenschmidt2009-12-09
| |\ \ | | | | | | | | | | | | | | | | Conflicts: include/linux/kvm.h
| * \ \ Merge commit 'gcl/next' into nextBenjamin Herrenschmidt2009-12-09
| |\ \ \ | | | |/ | | |/|
| | * | spi/mpc52xx: replace printk with dev_errWolfram Sang2009-11-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | To easily identify which device has problems. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| | * | Xilinx: SPI: Fix bits_per_word for transfersJohn Linn2009-11-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The bits_per_word value can be set for each transfer, or can be set to zero in each transfer in which case it should default to the value in the driver. The driver was fixed to properly check the bits_per_word in the transfer that is passed in. Signed-off-by: John Linn <john.linn@xilinx.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| | * | spi/mpc52xx-psc-spi: check for valid PSCWolfram Sang2009-11-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This driver calls mpc52xx_set_psc_clkdiv() but doesn't check its return value to see if the PSC is actually valid for SPI use. Add the check and a hint for the user. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| | * | powerpc/5200: Add mpc5200-spi (non-PSC) device driverGrant Likely2009-11-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Adds support for the dedicated SPI device on the Freescale MPC5200(b) SoC. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| | * | spi/mpc5200: Register SPI devices described in device treeGrant Likely2009-11-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add call to of_register_spi_devices() to register SPI devices described in the OF device tree. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Wolfram Sang <w.sang@pengutronix.de>
| * | | Merge commit 'origin/master' into nextBenjamin Herrenschmidt2009-11-24
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| * | | | powerpc: Fix build of some FSL platformsBenjamin Herrenschmidt2009-11-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 87ec0e98cfdd8b68da6a7f9e70142ffc0e404fbb in kumar's next branch broke one of my test configs since it looks like Anton forgot about that mpc832x_rdb platform which still uses the old style probing for the SPI stuff. I'll let them do a cleaner fix that probably involves changing the probing method and getting rid of the platform device but for now this will do to fix it. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| * | | | spi_mpc8xxx: Add support for QE DMA mode and CPM1/CPM2 chipsAnton Vorontsov2009-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds QE buffer descriptors mode support for the spi_mpc8xxx driver, and as a side effect we now support CPM1 and CPM2 SPI controllers. That means that today we support almost all MPC SPI controllers: - MPC834x-style controllers (support PIO mode only); - CPM1 and CPM2 controllers (support DMA mode only); - QE SPI controllers in CPU mode (PIO mode with shift quirks); - QE SPI controllers in buffer descriptors (DMA) mode; The only controller we don't currently support is a newer eSPI (with a dedicated chip selects and a bit different registers map). Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| * | | | spi_mpc8xxx: Turn qe_mode into flagsAnton Vorontsov2009-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Soon there will be more flags introduced in subsequent patches, so let's turn qe_mode into flags. Also introduce mpc8xxx_spi_strmode() and print current SPI mode. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| * | | | spi_mpc8xxx: Factor out SPI mode change steps into a callAnton Vorontsov2009-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We'll add more steps soon, so get rid of the duplication. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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