Commit Graph

255 Commits

Author SHA1 Message Date
Mark Brown
f56be67b19 Merge remote-tracking branches 'spi/topic/mxs', 'spi/topic/pxa', 'spi/topic/rockchip', 'spi/topic/samsung' and 'spi/topic/sirf' into spi-next 2014-12-08 12:17:17 +00:00
Mark Brown
dcf695b5f3 Merge remote-tracking branches 'spi/topic/fsl-dspi', 'spi/topic/fsl-espi', 'spi/topic/gpio', 'spi/topic/img-spfi' and 'spi/topic/meson' into spi-next 2014-12-08 12:17:15 +00:00
Beniamino Galvani
1327ecd47f spi: meson: Select REGMAP_MMIO
The Meson SPIFC driver uses regmap mmio functions and so it must
select REGMAP_MMIO to avoid the following build error:

spi-meson-spifc.c: undefined reference to `devm_regmap_init_mmio_clk'

Reported-by: Jim Davis <jim.epost@gmail.com>
Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-27 11:00:16 +00:00
Padmavathi Venna
bf77cba95f spi: s3c64xx: add support for exynos7 SPI controller
Exynos7 SPI controller supports only the auto Selection of
CS toggle mode and Exynos7 SoC includes six SPI controllers.
Add support for these changes in Exynos7 SPI controller driver.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-26 19:00:34 +00:00
Beniamino Galvani
c3e4bc5434 spi: meson: Add support for Amlogic Meson SPIFC
This is a driver for the Amlogic Meson SPIFC (SPI flash controller),
which is one of the two SPI controllers available on the SoC. It
doesn't support DMA and has a 64-byte unified transmit/receive buffer.

The device is optimized for interfacing with SPI NOR memories and
allows the execution of standard operations such as read, page
program, sector erase, etc. in a simplified way, toggling a bit in a
dedicated register. The driver doesn't use those predefined commands
and relies only on custom transfers.

Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-24 18:54:48 +00:00
Andrew Bresticker
deba25800a spi: Add driver for IMG SPFI controller
Add support for the Synchronous Peripheral Flash Interface (SPFI) master
controller found on IMG SoCs.  The SPFI controller supports 5 chip-select
lines and single/dual/quad mode SPI transfers.

Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-17 13:31:08 +00:00
Mark Brown
bab4d751f7 Merge remote-tracking branches 'spi/topic/pl022', 'spi/topic/pxa2xx', 'spi/topic/rspi', 'spi/topic/sh-msiof' and 'spi/topic/sirf' into spi-next 2014-10-03 16:33:42 +01:00
Mark Brown
7020d76971 Merge remote-tracking branches 'spi/topic/davinci', 'spi/topic/doc', 'spi/topic/dw' and 'spi/topic/fsl' into spi-next 2014-10-03 16:33:39 +01:00
Mark Brown
1fc8450313 Merge remote-tracking branches 'spi/topic/bcm53xx', 'spi/topic/cadence', 'spi/topic/checkpatch' and 'spi/topic/clps711x' into spi-next 2014-10-03 16:33:37 +01:00
Axel Lin
933fc7b06c spi: bcm53xx: Fix module dependency
config SPI_BCM53XX needs to depend on BCMA_POSSIBLE and select BCMA.
This fixes below build error:
ERROR: "bcma_driver_unregister" [drivers/spi/spi-bcm53xx.ko] undefined!
ERROR: "__bcma_driver_register" [drivers/spi/spi-bcm53xx.ko] undefined!

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-09-26 09:08:09 +01:00
Andy Shevchenko
ea092455d7 spi: dw-mid: remove Moorestown support
The support of the Moorestown was removed [1] from kernel long time ago. This
is just a follow up of that change.

[1] http://www.spinics.net/lists/platform-driver-x86/msg02948.html

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-09-13 17:01:57 +01:00
Geert Uytterhoeven
f59838a07a spi/drivers: Restrict COMPILE_TEST by HAS_DMA where needed
commit dd1053a93f ("spi/drivers: Enable build of drivers with
COMPILE_TEST") allows compile-testing drivers on platforms they're not
meant for.

However, adding "|| COMPILE_TEST" bypasses all other implicit dependencies
assumed by the platform dependencies before, like HAS_DMA.

If NO_DMA=y:

drivers/built-in.o: In function `atmel_spi_dma_unmap_xfer':
drivers/spi/spi-atmel.c:915: undefined reference to `dma_unmap_single'
drivers/spi/spi-atmel.c:918: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `atmel_spi_next_xfer_data':
drivers/spi/spi-atmel.c:690: undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `atmel_spi_dma_map_xfer':
drivers/spi/spi-atmel.c:890: undefined reference to `dma_map_single'
drivers/spi/spi-atmel.c:893: undefined reference to `dma_mapping_error'
drivers/spi/spi-atmel.c:897: undefined reference to `dma_map_single'
drivers/spi/spi-atmel.c:900: undefined reference to `dma_mapping_error'
drivers/spi/spi-atmel.c:902: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `atmel_spi_probe':
drivers/spi/spi-atmel.c:1540: undefined reference to `dma_alloc_coherent'
drivers/spi/spi-atmel.c:1623: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `atmel_spi_remove':
drivers/spi/spi-atmel.c:1665: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `ep93xx_spi_dma_finish':
drivers/spi/spi-ep93xx.c:550: undefined reference to `dma_unmap_sg'
drivers/built-in.o: In function `ep93xx_spi_dma_prepare':
drivers/spi/spi-ep93xx.c:516: undefined reference to `dma_map_sg'
drivers/spi/spi-ep93xx.c:522: undefined reference to `dma_unmap_sg'
drivers/built-in.o: In function `omap2_mcspi_rx_dma':
drivers/spi/spi-omap2-mcspi.c:475: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `omap2_mcspi_txrx_dma':
drivers/spi/spi-omap2-mcspi.c:589: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `omap2_mcspi_transfer_one_message':
drivers/spi/spi-omap2-mcspi.c:1202: undefined reference to `dma_map_single'
drivers/spi/spi-omap2-mcspi.c:1204: undefined reference to `dma_mapping_error'
drivers/spi/spi-omap2-mcspi.c:1211: undefined reference to `dma_map_single'
drivers/spi/spi-omap2-mcspi.c:1213: undefined reference to `dma_mapping_error'
drivers/spi/spi-omap2-mcspi.c:1217: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `tegra_spi_deinit_dma_param':
drivers/spi/spi-tegra114.c:675: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `tegra_spi_copy_spi_rxbuf_to_client_rxbuf':
drivers/spi/spi-tegra114.c:415: undefined reference to `dma_sync_single_for_cpu'
drivers/spi/spi-tegra114.c:440: undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `tegra_spi_copy_client_txbuf_to_spi_txbuf':
drivers/spi/spi-tegra114.c:381: undefined reference to `dma_sync_single_for_cpu'
drivers/spi/spi-tegra114.c:405: undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `tegra_spi_start_dma_based_transfer':
drivers/spi/spi-tegra114.c:543: undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `tegra_slink_deinit_dma_param':
drivers/spi/spi-tegra20-slink.c:705: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `tegra_slink_copy_spi_rxbuf_to_client_rxbuf':
drivers/spi/spi-tegra20-slink.c:427: undefined reference to `dma_sync_single_for_cpu'
drivers/spi/spi-tegra20-slink.c:452: undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `tegra_slink_copy_client_txbuf_to_spi_txbuf':
drivers/spi/spi-tegra20-slink.c:393: undefined reference to `dma_sync_single_for_cpu'
drivers/spi/spi-tegra20-slink.c:417: undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `tegra_slink_start_dma_based_transfer':
drivers/spi/spi-tegra20-slink.c:561: undefined reference to `dma_sync_single_for_cpu'

Add dependencies on HAS_DMA to fix this.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-08-31 13:59:48 +01:00
Rafał Miłecki
0fc6a323e1 spi: bcm53xx: driver for SPI controller on Broadcom bcma SoC
Broadcom 53xx ARM SoCs use bcma bus that contains various cores (AKA
devices). If board has a serial flash, it's connected over SPI and the
bcma bus includes a SPI controller. Example log from such a board:
bus0: Found chip with id 53010, rev 0x00 and package 0x02
(...)
bus0: Core 18 found: SPI flash controller (manuf 0x4BF, id 0x50A, rev 0x01, class 0x0)

This patch adds a bcma driver for SPI core, it registers SPI master
controller and "bcm53xxspiflash" SPI device.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-08-19 11:30:55 -05:00
Chew, Chiau Ee
afa93c9017 spi/pxa2xx-pci: Add common clock framework support in PCI glue layer
SPI PXA2XX core layer has dependency on common clock framework
to obtain information on host supported clock rate. Thus, we
setup the clock device in the PCI glue layer to enable PCI mode
host pass in the clock rate information.

Signed-off-by: Chew, Chiau Ee <chiau.ee.chew@intel.com>
Acked-by: Kweh, Hock Leong <hock.leong.kweh@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-08-16 17:19:50 -05:00
Mark Brown
fab6a0410d Merge remote-tracking branches 'spi/topic/sh', 'spi/topic/sh-msiof' and 'spi/topic/topcliff-pch' into spi-next 2014-08-04 17:21:16 +01:00
Mark Brown
0c18b7638a Merge remote-tracking branches 'spi/topic/orion', 'spi/topic/pl022', 'spi/topic/qup', 'spi/topic/rockchip' and 'spi/topic/rspi' into spi-next 2014-08-04 17:21:12 +01:00
Geert Uytterhoeven
533465a8f8 spi: rspi: Relax DMA dependency and increase build coverage
As of commit ab116a4df4 ("dmaengine:
shdma: fix a build failure on platforms with no DMA support"), the DMA
filter function shdma_chan_filter() is sufficiently abstracted to allow
building without DMA support. Hence drop the SH_DMAE_BASE dependency on
SUPERH.
Also increase build coverage by allowing the driver to be enabled if
COMPILE_TEST=y.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-10 12:36:11 +02:00
Geert Uytterhoeven
51fd509046 spi: sh-msiof: SPI_SH_MSIOF should depend on HAS_DMA
If NO_DMA=y:

    drivers/built-in.o: In function `sh_msiof_release_dma':
    spi-sh-msiof.c:(.text+0x23cbfe): undefined reference to `dma_unmap_single'
    drivers/built-in.o: In function `sh_msiof_request_dma':
    spi-sh-msiof.c:(.text+0x23cd5e): undefined reference to `dma_map_single'
    spi-sh-msiof.c:(.text+0x23cd70): undefined reference to `dma_mapping_error'
    spi-sh-msiof.c:(.text+0x23cdca): undefined reference to `dma_unmap_single'
    drivers/built-in.o: In function `sh_msiof_dma_once':
    spi-sh-msiof.c:(.text+0x23d450): undefined reference to `dma_sync_single_for_cpu'
    spi-sh-msiof.c:(.text+0x23d5ea): undefined reference to `dma_sync_single_for_cpu'

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-10 12:33:55 +02:00
Mark Brown
c15369087a spi/rockchip: Add dependencies on relaxed I/O accessors
Without the dependencies for the accessors the driver can be enabled on
architectures where it will fail to build.

Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-05 12:51:52 +01:00
addy ke
64e36824b3 spi/rockchip: add driver for Rockchip RK3xxx SoCs integrated SPI
In order to facilitate understanding, rockchip SPI controller IP design
looks similar in its registers to designware. But IC implementation
is different from designware, So we need a dedicated driver for Rockchip
RK3XXX SoCs integrated SPI. The main differences:

- dma request line: rockchip SPI controller have two DMA request line
  for tx and rx.

- Register offset:
                  RK3288        dw
  SPI_CTRLR0      0x0000        0x0000
  SPI_CTRLR1      0x0004        0x0004
  SPI_SSIENR      0x0008        0x0008
  SPI_MWCR        NONE          0x000c
  SPI_SER         0x000c        0x0010
  SPI_BAUDR       0x0010        0x0014
  SPI_TXFTLR      0x0014        0x0018
  SPI_RXFTLR      0x0018        0x001c
  SPI_TXFLR       0x001c        0x0020
  SPI_RXFLR       0x0020        0x0024
  SPI_SR          0x0024        0x0028
  SPI_IPR         0x0028        NONE
  SPI_IMR         0x002c        0x002c
  SPI_ISR         0x0030        0x0030
  SPI_RISR        0x0034        0x0034
  SPI_TXOICR      NONE          0x0038
  SPI_RXOICR      NONE          0x003c
  SPI_RXUICR      NONE          0x0040
  SPI_MSTICR      NONE          0x0044
  SPI_ICR         0x0038        0x0048
  SPI_DMACR       0x003c        0x004c
  SPI_DMATDLR     0x0040        0x0050
  SPI_DMARDLR     0x0044        0x0054
  SPI_TXDR        0x0400        NONE
  SPI_RXDR        0x0800        NONE
  SPI_IDR         NONE          0x0058
  SPI_VERSION     NONE          0x005c
  SPI_DR          NONE          0x0060

- register configuration:
  such as SPI_CTRLRO in rockchip SPI controller:
    cr0 = (CR0_BHT_8BIT << CR0_BHT_OFFSET)
        | (CR0_SSD_ONE << CR0_SSD_OFFSET);
    cr0 |= (rs->n_bytes << CR0_DFS_OFFSET);
    cr0 |= ((rs->mode & 0x3) << CR0_SCPH_OFFSET);
    cr0 |= (rs->tmode << CR0_XFM_OFFSET);
    cr0 |= (rs->type << CR0_FRF_OFFSET);
  For more information, see RK3288 chip manual.

- Wait for idle: Must ensure that the FIFO data has been sent out
  before the next transfer.

Signed-off-by: addy ke <addy.ke@rock-chips.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-04 19:32:29 +01:00
Mark Brown
446fe5e2d5 Merge remote-tracking branches 'spi/topic/adi', 'spi/topic/atmel' and 'spi/topic/cadence' into spi-next 2014-06-02 17:08:35 +01:00
Jean Delvare
2b16069a7a spi/topcliff-pch: Fix Kconfig dependencies
The spi-topcliff-pch driver is for a companion chip to the Intel Atom
E600 series processors. These are 32-bit x86 processors so the driver
is only needed on X86_32. Add COMPILE_TEST as an alternative, so that
the driver can still be build-tested elsewhere.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-16 20:07:53 +01:00
Harini Katakam
25dbe04a24 spi: cadence: Add dependency on ARM
Add dependency on ARM in Kconfig.
This is to fix the build error related to _relaxed IO.
Remove dependency on SPI_MASTER because this is already defined
under if SPI_MASTER in Kconfig.

Signed-off-by: Harini Katakam <harinik@xilinx.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-15 12:17:07 +01:00
Harini Katakam
c474b38665 spi: Add driver for Cadence SPI controller
Add driver for Cadence SPI controller. This is used in Xilinx Zynq.

Signed-off-by: Harini Katakam <harinik@xilinx.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-14 21:00:28 +01:00
Scott Jiang
766e372199 spi: convert spi-bfin-v3.c to a multiplatform driver
Spi v3 controller is not only used on Blackfin. So rename it
and use ioread/iowrite api to make it work on other platform.

Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-14 17:45:25 +01:00
Paul Bolle
058f11c851 spi: qup: Depend on ARCH_QCOM
Commit 8fc1b0f87d ("ARM: qcom: Split Qualcomm support into legacy and
multiplatform") removed Kconfig symbol ARCH_MSM_DT. But that commit
left one (optional) dependency on ARCH_MSM_DT untouched.

Three Kconfig symbols used to depend on ARCH_MSM_DT: ARCH_MSM8X60,
ARCH_MSM8960, and ARCH_MSM8974. These three symbols now depend on
ARCH_QCOM. So it appears this driver needs to depend on ARCH_QCOM too.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-08 12:09:37 +01:00
Mark Brown
45b15d98a9 Merge remote-tracking branches 'spi/topic/xilinx' and 'spi/topic/xtfpga' into spi-next 2014-03-30 00:51:48 +00:00
Mark Brown
b1ad487c42 Merge remote-tracking branches 'spi/topic/sunxi', 'spi/topic/tegra114', 'spi/topic/ti-qspi', 'spi/topic/ti-ssp', 'spi/topic/topcliff-pch', 'spi/topic/txx9', 'spi/topic/xcomm' and 'spi/topic/xfer' into spi-next 2014-03-30 00:51:41 +00:00
Mark Brown
81235b4ea3 Merge remote-tracking branches 'spi/topic/s3c64xx', 'spi/topic/sc18is602', 'spi/topic/sh-hspi', 'spi/topic/sh-msiof', 'spi/topic/sh-sci', 'spi/topic/sirf' and 'spi/topic/spidev' into spi-next 2014-03-30 00:51:34 +00:00
Mark Brown
1752368064 Merge remote-tracking branches 'spi/topic/omap-uwire', 'spi/topic/omap100k', 'spi/topic/omap2', 'spi/topic/orion', 'spi/topic/pl022', 'spi/topic/qup', 'spi/topic/rspi' and 'spi/topic/s3c24xx' into spi-next 2014-03-30 00:51:27 +00:00
Mark Brown
6e07b9179a Merge remote-tracking branches 'spi/topic/imx', 'spi/topic/init', 'spi/topic/mpc512x-psc', 'spi/topic/mpc52xx', 'spi/topic/mxs', 'spi/topic/nuc900', 'spi/topic/oc-tiny' and 'spi/topic/octeon' into spi-next 2014-03-30 00:51:17 +00:00
Mark Brown
3bcbc14911 Merge remote-tracking branches 'spi/topic/drivers', 'spi/topic/dw', 'spi/topic/efm32', 'spi/topic/ep93xx', 'spi/topic/fsl', 'spi/topic/fsl-dspi', 'spi/topic/fsl-espi' and 'spi/topic/gpio' into spi-next 2014-03-30 00:51:10 +00:00
Mark Brown
9dee279b40 Merge remote-tracking branches 'spi/topic/bus-num', 'spi/topic/cleanup', 'spi/topic/clps711x', 'spi/topic/coldfire', 'spi/topic/completion' and 'spi/topic/davinci' into spi-next 2014-03-30 00:51:03 +00:00
Axel Lin
5634dd8bf4 spi: clps711x: Enable driver compilation with COMPILE_TEST
This helps increasing build testing coverage.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-27 13:29:19 +00:00
Axel Lin
be8dde4675 spi: xtensa-xtfpga: Enable driver compilation with COMPILE_TEST
This helps increasing build testing coverage.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-21 18:11:23 +00:00
Arnd Bergmann
7661ba5a84 spi: remove obsolete spi-ti-ssp driver
The tnetv107x platform is getting removed, so this driver
will not be needed any more.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-18 17:27:24 +00:00
Max Filippov
6840cc29f2 spi: add xtfpga SPI controller driver
This simple SPI master controller is built into xtfpga bitstreams. It
always transfers 16 bit words in SPI mode 0, automatically asserting CS
on transfer start and deasserting on end.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-13 09:12:44 +00:00
Geert Uytterhoeven
1bd6363bc0 spi: sh-msiof: Use core message handling instead of spi-bitbang
The only remaining feature of spi-bitbang used by this driver is the
chipselect() callback, which just does conditional GPIO.
This is handled fine by the SPI core's spi_set_cs(), hence switch the
driver to use the core message handling through our own transfer_one()
method.

As the (optional) GPIO CS is no longer deasserted at spi_master.setup()
time (through spi_bitbang_setup() and the spi_bitbang.chipselect()
callback), we now have to take care of that ourselves.

Remove the call to spi_master_put() in sh_msiof_spi_remove(), as our SPI
master is now registered using devm_spi_register_master()
(spi_bitbang_start() uses the non-managed version).

Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-27 19:44:04 +09:00
Axel Lin
80faf90f97 spi: qup: Depend on ARM && COMPILE_TEST to avoid build error
This driver uses writel_relaxed() which does not exist in x86, ppc, etc.
Make it depend on ARM && COMPILE_TEST to avoid below build error:

  CC [M]  drivers/spi/spi-qup.o
drivers/spi/spi-qup.c: In function 'spi_qup_set_state':
drivers/spi/spi-qup.c:180:3: error: implicit declaration of function 'writel_relaxed' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
make[2]: *** [drivers/spi/spi-qup.o] Error 1
make[1]: *** [drivers/spi] Error 2
make: *** [drivers] Error 2

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-24 14:44:57 +09:00
Axel Lin
702d3cf9d0 spi: qup: Enable driver compilation with COMPILE_TEST
This helps increasing build testing coverage.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-23 14:39:06 +09:00
Maxime Ripard
b5f6517948 spi: sunxi: Add Allwinner A10 SPI controller driver
The older Allwinner SoCs (A10, A13, A10s and A20) all have the same SPI
controller.

Unfortunately, this SPI controller, even though quite similar, is significantly
different from the recently supported A31 SPI controller (different registers
offset, split/merged registers, etc.). Supporting both controllers in a single
driver would be unreasonable, hence the addition of a new driver.

Like its more recent counterpart, it supports DMA, but the driver only does PIO
until we have a dmaengine driver for this platform.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-23 11:14:46 +09:00
Fabio Estevam
d00694167b spi/imx: Drop default setting for SPI_IMX
SPI_IMX is selected by imx_v6_v7_defconfig/imx_v4_v5_defconfig and we don't need
to have a default setting which depends on the IMX_HAVE_PLATFORM_SPI_IMX symbol.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-23 10:32:33 +09:00
Ivan T. Ivanov
64ff247a97 spi: Add Qualcomm QUP SPI controller support
Qualcomm Universal Peripheral (QUP) core is an AHB slave that
provides a common data path (an output FIFO and an input FIFO)
for serial peripheral interface (SPI) mini-core. SPI in master
mode supports up to 50MHz, up to four chip selects, programmable
data path from 4 bits to 32 bits and numerous protocol variants.

Cc: Alok Chauhan <alokc@codeaurora.org>
Cc: Gilad Avidov <gavidov@codeaurora.org>
Cc: Kiran Gunda <kgunda@codeaurora.org>
Cc: Sagar Dharia <sdharia@codeaurora.org>
Cc: dsneddon@codeaurora.org
Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 00:29:06 +09:00
Chao Fu
1acbdeb92c spi/fsl-dspi: Convert to use regmap and add big-endian support
Freescale DSPI module will have two endianess in different platform,
but ARM is little endian. So when DSPI in big endian, core in little endian,
readl and writel can not adjust R/W register in this condition.
This patch will remove general readl/writel, and import regmap mechanism.
Data endian will be transfered in regmap APIs.

Documents: dspi add bool "big-endian" in dts node if DSPI module
work in big endian.

Signed-off-by: Chao Fu <b44548@freescale.com>
Reviewed-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-16 09:15:23 +08:00
Paul Bolle
f6ab395bfe spi: omap2: use SUPERH, not SH
Commit 0079aae0f1 ("spi: omap2: Add build dependencies for
writel_relaxed()") added an optional Kconfig dependency on SH. That
Kconfig symbol doesn't exist. Apparently SUPERH was intended. Use that.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-10 12:34:32 +00:00
Mark Brown
7961656a6f spi/sunxi: Add missing dependency on RESET_CONTROLLER
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-06 19:55:03 +00:00
Maxime Ripard
3558fe900e spi: sunxi: Add Allwinner A31 SPI controller driver
The Allwinner A31 has a new SPI controller IP compared to the older Allwinner
SoCs.

It supports DMA, but the driver only does PIO for now, and DMA will be
supported eventually.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-05 14:58:36 +00:00
Geert Uytterhoeven
e290c3434b spi: rspi: Document support for Renesas QSPI in Kconfig
As of commit 5ce0ba8865 ("spi: rcar: add
Renesas QSPI support on RSPI") the rspi driver handles Renesas QSPI, too,
but this was not reflected in the Kconfig help text.

Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-04 19:22:30 +00:00
Baruch Siach
794f61a30e spi: dw-mmio: remove HAVE_CLK build dependecy
Since 93abe8e4 (clk: add non CONFIG_HAVE_CLK routines) code using clk.h
like this platform driver needs not depend on HAVE_CLK.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-03 12:19:59 +00:00
Linus Torvalds
2d2e7d195b spi: Updates for v3.14
A respun version of the merges for the pull request previously sent with
 a few additional fixes.  The last two merges were fixed up by hand since
 the branches have moved on and currently have the prior merge in them.
 
 Quite a busy release for the SPI subsystem, mostly in cleanups big and
 small scattered through the stack rather than anything else:
 
  - New driver for the Broadcom BC63xx HSSPI controller.
  - Fix duplicate device registration for ACPI.
  - Conversion of s3c64xx to DMAEngine (this pulls in platform and DMA
    changes upon which the transiton depends).
  - Some small optimisations to reduce the amount of time we hold locks
    in the datapath, eliminate some redundant checks and the size of a
    spi_transfer.
  - Lots of fixes, cleanups and general enhancements to drivers,
    especially the rspi and Atmel drivers.
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Merge tag 'spi-v3.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "A respun version of the merges for the pull request previously sent
  with a few additional fixes.  The last two merges were fixed up by
  hand since the branches have moved on and currently have the prior
  merge in them.

  Quite a busy release for the SPI subsystem, mostly in cleanups big and
  small scattered through the stack rather than anything else:

   - New driver for the Broadcom BC63xx HSSPI controller
   - Fix duplicate device registration for ACPI
   - Conversion of s3c64xx to DMAEngine (this pulls in platform and DMA
     changes upon which the transiton depends)
   - Some small optimisations to reduce the amount of time we hold locks
     in the datapath, eliminate some redundant checks and the size of a
     spi_transfer
   - Lots of fixes, cleanups and general enhancements to drivers,
     especially the rspi and Atmel drivers"

* tag 'spi-v3.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (112 commits)
  spi: core: Fix transfer failure when master->transfer_one returns positive value
  spi: Correct set_cs() documentation
  spi: Clarify transfer_one() w.r.t. spi_finalize_current_transfer()
  spi: Spelling s/finised/finished/
  spi: sc18is602: Convert to use bits_per_word_mask
  spi: Remove duplicate code to set default bits_per_word setting
  spi/pxa2xx: fix compilation warning when !CONFIG_PM_SLEEP
  spi: clps711x: Add MODULE_ALIAS to support module auto-loading
  spi: rspi: Add missing clk_disable() calls in error and cleanup paths
  spi: rspi: Spelling s/transmition/transmission/
  spi: rspi: Add support for specifying CPHA/CPOL
  spi/pxa2xx: initialize DMA channels to -1 to prevent inadvertent match
  spi: rspi: Add more QSPI register documentation
  spi: rspi: Add more RSPI register documentation
  spi: rspi: Remove dependency on DMAE for SHMOBILE
  spi/s3c64xx: Correct indentation
  spi: sh: Use spi_sh_clear_bit() instead of open-coded
  spi: bitbang: Grammar s/make to make/to make/
  spi: sh-hspi: Spelling s/recive/receive/
  spi: core: Improve tx/rx_nbits check comments
  ...
2014-01-25 13:20:36 -08:00