Commit Graph

2263 Commits

Author SHA1 Message Date
Linus Torvalds 84a442b9a1 arm-soc: device tree conversions, part 2
These continue the device tree work from part 1, this set is for the
 tegra, mxs and imx platforms, all of which have dependencies on clock
 or pinctrl changes submitted earlier.
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Merge tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc device tree conversions (part 2) from Olof Johansson:
 "These continue the device tree work from part 1, this set is for the
  tegra, mxs and imx platforms, all of which have dependencies on clock
  or pinctrl changes submitted earlier."

Fix up trivial conflicts due to nearby changes in
drivers/{gpio/gpio,i2c/busses/i2c}-mxs.c

* tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (73 commits)
  ARM: dt: tegra: invert status=disable vs status=okay
  ARM: dt: tegra: consistent basic property ordering
  ARM: dt: tegra: sort nodes based on bus order
  ARM: dt: tegra: remove duplicate device_type property
  ARM: dt: tegra: consistenly use lower-case for hex constants
  ARM: dt: tegra: format regs properties consistently
  ARM: dt: tegra: gpio comment cleanup
  ARM: dt: tegra: remove unnecessary unit addresses
  ARM: dt: tegra: whitespace cleanup
  ARM: dt: tegra cardhu: fix typo in SDHCI node name
  ARM: dt: tegra: cardhu: register core regulator tps62361
  ARM: dt: tegra30.dtsi: Add SMMU node
  ARM: dt: tegra20.dtsi: Add GART node
  ARM: dt: tegra30.dtsi: Add Memory Controller(MC) nodes
  ARM: dt: tegra20.dtsi: Add Memory Controller(MC) nodes
  ARM: dt: tegra: Add device tree support for AHB
  ARM: dts: enable audio support for imx28-evk
  ARM: dts: enable i2c device for imx28-evk
  i2c: mxs: add device tree probe support
  ARM: dts: enable mmc for imx28-evk
  ...
2012-05-26 12:57:47 -07:00
Linus Torvalds 2795343705 arm-soc: clock driver changes
The new clock subsystem was merged in linux-3.4 without any users, this
 now moves the first three platforms over to it: imx, mxs and spear.
 
 The series also contains the changes for the clock subsystem itself,
 since Mike preferred to have it together with the platforms that require
 these changes, in order to avoid interdependencies and conflicts.
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Merge tag 'clock' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc clock driver changes from Olof Johansson:
 "The new clock subsystem was merged in linux-3.4 without any users,
  this now moves the first three platforms over to it: imx, mxs and
  spear.

  The series also contains the changes for the clock subsystem itself,
  since Mike preferred to have it together with the platforms that
  require these changes, in order to avoid interdependencies and
  conflicts."

Fix up trivial conflicts in arch/arm/mach-kirkwood/common.c (code
removed in one branch, added OF support in another) and
drivers/dma/imx-sdma.c (independent changes next to each other).

* tag 'clock' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (97 commits)
  clk: Fix CLK_SET_RATE_GATE flag validation in clk_set_rate().
  clk: Provide dummy clk_unregister()
  SPEAr: Update defconfigs
  SPEAr: Add SMI NOR partition info in dts files
  SPEAr: Switch to common clock framework
  SPEAr: Call clk_prepare() before calling clk_enable
  SPEAr: clk: Add General Purpose Timer Synthesizer clock
  SPEAr: clk: Add Fractional Synthesizer clock
  SPEAr: clk: Add Auxiliary Synthesizer clock
  SPEAr: clk: Add VCO-PLL Synthesizer clock
  SPEAr: Add DT bindings for SPEAr's timer
  ARM i.MX: remove now unused clock files
  ARM: i.MX6: implement clocks using common clock framework
  ARM i.MX35: implement clocks using common clock framework
  ARM i.MX5: implement clocks using common clock framework
  ARM: Kirkwood: Replace clock gating
  ARM: Orion: Audio: Add clk/clkdev support
  ARM: Orion: PCIE: Add support for clk
  ARM: Orion: XOR: Add support for clk
  ARM: Orion: CESA: Add support for clk
  ...
2012-05-26 12:42:29 -07:00
Linus Torvalds ce53044c68 arm-soc: driver specific updates
These changes are specific to some driver that may be used by multiple
 boards or socs. The most significant change in here is the move of the
 samsung iommu code from a platform specific in-kernel interface to the
 generic iommu subsystem.
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Merge tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc driver specific updates from Olof Johansson:
 "These changes are specific to some driver that may be used by multiple
  boards or socs.  The most significant change in here is the move of
  the samsung iommu code from a platform specific in-kernel interface to
  the generic iommu subsystem."

Fix up trivial conflicts in arch/arm/mach-exynos/Kconfig

* tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (28 commits)
  mmc: dt: Consolidate DT bindings
  iommu/exynos: Add iommu driver for EXYNOS Platforms
  ARM: davinci: optimize the DMA ISR
  ARM: davinci: implement DEBUG_LL port choice
  ARM: tegra: Add SMMU enabler in AHB
  ARM: tegra: Add Tegra AHB driver
  Input: pxa27x_keypad add choice to set direct_key_mask
  Input: pxa27x_keypad direct key may be low active
  Input: pxa27x_keypad bug fix for direct_key_mask
  Input: pxa27x_keypad keep clock on as wakeup source
  ARM: dt: tegra: pinmux changes for USB ULPI
  ARM: tegra: add USB ULPI PHY reset GPIO to device tree
  ARM: tegra: don't hard-code USB ULPI PHY reset_gpio
  ARM: tegra: change pll_p_out4's rate to 24MHz
  ARM: tegra: fix pclk rate
  ARM: tegra: reparent sclk to pll_c_out1
  ARM: tegra: Add pllc clock init table
  ARM: dt: tegra cardhu: basic audio support
  ARM: dt: tegra30.dtsi: Add audio-related nodes
  ARM: tegra: add AUXDATA required for audio
  ...
2012-05-26 12:22:27 -07:00
Linus Torvalds 92bf3d0941 MMC highlights for 3.5:
Drivers:
  - at91-mci: This driver will be replaced by atmel-mci in 3.7.
  - atmel-mci: Add support for old at91-mci hardware.
  - dw_mmc: Allow multiple controllers; this previously caused corruption.
  - imxmmc: Remove this driver, replaced by mxcmmc.
  - mmci: Add device tree support.
  - omap: Allow multiple controllers.
  - omap_hsmmc: Auto CMD12, DDR support.
  - tegra: Support SD 3.0 spec.
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Merge tag 'mmc-merge-for-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc

Pull MMC changes from Chris Ball
 - at91-mci: This driver will be replaced by atmel-mci in 3.7.
 - atmel-mci: Add support for old at91-mci hardware.
 - dw_mmc: Allow multiple controllers; this previously caused
   corruption.
 - imxmmc: Remove this driver, replaced by mxcmmc.
 - mmci: Add device tree support.
 - omap: Allow multiple controllers.
 - omap_hsmmc: Auto CMD12, DDR support.
 - tegra: Support SD 3.0 spec.

Fix up the usual trivial conflicts in feature-removal-schedule.txt

* tag 'mmc-merge-for-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (38 commits)
  mmc: at91-mci: this driver is now deprecated
  mmc: omap_hsmmc: pass IRQF_ONESHOT to request_threaded_irq
  mmc: block: Allow disabling 512B sector size emulation
  mmc: atmel-mci: add debug logs
  mmc: atmel-mci: add support for version lower than v2xx
  mmc: atmel-mci: change the state machine for compatibility with old IP
  mmc: atmel-mci: the r/w proof capability lack was not well managed
  mmc: dw_mmc: Fixed sdio interrupt mask bit setting bug
  mmc: omap: convert to module_platform_driver
  mmc: omap: make it behave well as a module
  mmc: omap: convert to per instance workqueue
  mmc: core: Remove dead code
  mmc: card: Avoid null pointer dereference
  mmc: core: Prevent eMMC VCC supply to be cut from late init
  mmc: dw_mmc: make multiple instances of dw_mci_card_workqueue
  mmc: queue: remove redundant memsets
  mmc: queue: rename mmc_request function
  mmc: core: skip card initialization if power class selection fails
  mmc: core: fix the signaling 1.8V for HS200
  mmc: core: fix the decision of HS200/DDR card-type
  ...
2012-05-25 08:23:32 -07:00
Linus Torvalds 813a95e5b4 arm-soc: soc-specific pinctrl changes
With this, five platforms are moving to the relatively new pinctrl
 subsystem for their pin management, replacing the older soc specific
 in-kernel interfaces with common code.
 
 There is quite a bit of net addition of code for each platform being
 added to the pinctrl subsystem. but the payback comes later when adding
 new boards can be done by only providing new device trees instead.
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Merge tag 'pinctrl' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm soc-specific pinctrl changes from Olof Johansson:
 "With this, five platforms are moving to the relatively new pinctrl
  subsystem for their pin management, replacing the older soc specific
  in-kernel interfaces with common code.

  There is quite a bit of net addition of code for each platform being
  added to the pinctrl subsystem.  But the payback comes later when
  adding new boards can be done by only providing new device trees
  instead."

Fix up trivial conflicts in arch/arm/mach-ux500/{Makefile,board-mop500.c}

* tag 'pinctrl' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (61 commits)
  mtd: nand: gpmi: fix compile error caused by pinctrl call
  ARM: PRIMA2: select PINCTRL and PINCTRL_SIRF in Kconfig
  ARM: nomadik: enable PINCTRL_NOMADIK where needed
  ARM: mxs: enable pinctrl support
  video: mxsfb: adopt pinctrl support
  ASoC: mxs-saif: adopt pinctrl support
  i2c: mxs: adopt pinctrl support
  mtd: nand: gpmi: adopt pinctrl support
  mmc: mxs-mmc: adopt pinctrl support
  serial: mxs-auart: adopt pinctrl support
  serial: amba-pl011: adopt pinctrl support
  spi/imx: adopt pinctrl support
  i2c: imx: adopt pinctrl support
  can: flexcan: adopt pinctrl support
  net: fec: adopt pinctrl support
  ARM: ux500: switch MSP to using pinctrl for pins
  ARM: ux500: alter MSP registration to return a device pointer
  ARM: ux500: switch to using pinctrl for uart0
  ARM: ux500: delete custom pin control system
  ARM: ux500: switch over to Nomadik pinctrl driver
  ...
2012-05-22 09:39:42 -07:00
Russell King ddf90a2ff2 Merge branches 'amba', 'devel-stable', 'fixes', 'mach-types', 'mmci', 'pci' and 'versatile' into for-linus 2012-05-21 15:15:10 +01:00
Ludovic Desroches 0caaa9539a mmc: at91-mci: this driver is now deprecated
at91-mci is deprecated since atmel-mci can deal with all chips.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-17 14:33:48 -04:00
Ming Lei db35f83ef4 mmc: omap_hsmmc: pass IRQF_ONESHOT to request_threaded_irq
The flag of IRQF_ONESHOT should be passed to request_threaded_irq,
otherwise the following failure message should be dumped because
hardware handler is defined as NULL:

[    3.383483] genirq: Threaded irq requested with handler=NULL and
!ONESHOT for irq 368
[    3.392730] omap_hsmmc: probe of omap_hsmmc.0 failed with error -22

The patch fixes one kernel hang bug which is caused by mmc card
probe failure and root device can't be brought up.

Signed-off-by: Ming Lei <ming.lei@canonical.com>
Acked-by: Venkatraman S <svenkatr@ti.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-17 10:28:27 -04:00
Saugata Das a5075eb948 mmc: block: Allow disabling 512B sector size emulation
This patch adds support for large sector size of 4KB by disabling
emulation.  This patch passes eMMC DATA_SECTOR_SIZE as the logical
block size during mmc_blk_alloc_req.

In order to use this patch for 4KB sector size, ensure that
USE_NATIVE_SECTOR is enabled, partition table is 4KB sector size
aligned and file system block and sector size are 4KB multiples.

Signed-off-by: Saugata Das <saugata.das@linaro.org>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-17 09:35:21 -04:00
Ludovic Desroches 6801c41a77 mmc: atmel-mci: add debug logs
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-17 08:43:00 -04:00
Ludovic Desroches 24011f3464 mmc: atmel-mci: add support for version lower than v2xx
Fix mci IP bugs and endianness issue.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-17 08:42:52 -04:00
Ludovic Desroches f51775471a mmc: atmel-mci: change the state machine for compatibility with old IP
The state machine use in atmel-mci can't work with old IP versions
(< 0x200).  This patch allows to have a common state machine for all
versions in order to remove at91-mci driver only used for old versions.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-17 08:41:34 -04:00
Ludovic Desroches 7a90dcc2d7 mmc: atmel-mci: the r/w proof capability lack was not well managed
First mci IPs (mainly on rm9200 and 9261) don't have the r/w proof
capability.  The driver didn't work correctly without this capability
in PDC mode because of the double buffer switch which is too slow
even if we stop the transfer to perform this switch.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-17 08:41:10 -04:00
Kyoungil Kim 705ad0472b mmc: dw_mmc: Fixed sdio interrupt mask bit setting bug
The sdio interrupt mask bits are arranged in [31:16].
(1 << SDMMC_INT_SDIO(slot->id))) does 16 bits left shift twice.
So this patch changes to do 16 bits left shift only one time.

Signed-off-by: Kyoungil Kim <ki0351.kim@samsung.com>
Acked-by: Shashidhar Hiremath <shashidharh@vayavyalabs.com>
Acked-by: Will Newton <will.newton@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-17 08:34:48 -04:00
Venkatraman S 680f1b5b21 mmc: omap: convert to module_platform_driver
Get rid of boilerplate code by using module_platform_driver macro,
no functional changes.

Signed-off-by: Venkatraman S <svenkatr@ti.com>
Acked-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-17 08:26:38 -04:00
Venkatraman S b6e0703bbf mmc: omap: make it behave well as a module
Use proper __devinit and __devexit annotation for driver functions.
Instantiate the probe function for driver_ops instead of a probe in
the register function.

Signed-off-by: Venkatraman S <svenkatr@ti.com>
Acked-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-17 08:26:15 -04:00
Venkatraman S b01a4f1ce2 mmc: omap: convert to per instance workqueue
Currently, a global mmc_omap_wq is created for all instances of omap
hosts, which can lead to races and doesn't lend itself to unload the
module cleanly.  Instead, create per instance workqueue and remove
 the common workqueue.

Signed-off-by: Venkatraman S <svenkatr@ti.com>
Acked-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-17 08:25:41 -04:00
Arnd Bergmann 3c0dec5f58 Merge branch 'clk-next' of git://git.linaro.org/people/mturquette/linux into next/clock
* 'clk-next' of git://git.linaro.org/people/mturquette/linux:
  clk: Fix CLK_SET_RATE_GATE flag validation in clk_set_rate().
  clk: Provide dummy clk_unregister()
  ARM: Kirkwood: Replace clock gating
  ARM: Orion: Audio: Add clk/clkdev support
  ARM: Orion: PCIE: Add support for clk
  ARM: Orion: XOR: Add support for clk
  ARM: Orion: CESA: Add support for clk
  ARM: Orion: SDIO: Add support for clk.
  ARM: Orion: NAND: Add support for clk, if there is one.
  ARM: Orion: EHCI: Add support for enabling clocks
  ARM: Orion: SATA: Add per channel clk/clkdev support.
  ARM: Orion: UART: Get the clock rate via clk_get_rate().
  ARM: Orion: WDT: Add clk/clkdev support
  ARM: Orion: Eth: Add clk/clkdev support.
  ARM: Orion: SPI: Add clk/clkdev support.
  ARM: Orion: Add clocks using the generic clk infrastructure.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-05-16 16:35:25 +02:00
Arnd Bergmann deb88cc3c6 Merge branch 'drivers/mmc' into next/dt2
Changes in the dt2 branch move stuff around that gets changed
in the drivers/mmc branch. I chose a non-obvious resolution by
adding the new bus-width property into all the tegra sdhci device
nodes.

Conflicts:
	arch/arm/boot/dts/tegra-cardhu.dts
	arch/arm/boot/dts/tegra-harmony.dts
	arch/arm/boot/dts/tegra-ventana.dts

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-05-15 13:44:11 +02:00
Arnd Bergmann c49314fa6c Merge branch 'drivers/mmc' into next/drivers
* drivers/mmc:
  mmc: dt: Consolidate DT bindings

Also pulls in the omap/dt-missed-3.4 branch as a dependency.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-05-15 13:31:11 +02:00
Arnd Bergmann 7f217794ff mmc: dt: Consolidate DT bindings
This patch unifies the current DT MMC bindings documentation and code,
adds generic MMC DT bindings documentation, and updates .dts files for
consistency.

[cjb: typo fixes, addition of max-frequency property]
Signed-off-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-05-15 13:29:42 +02:00
Arnd Bergmann 4f5a9fd341 Merge branch 'imx/pinctrl' into imx/clock
Conflicts:
	drivers/mmc/host/sdhci-esdhc-imx.c
	drivers/net/ethernet/freescale/fec.c
	drivers/spi/spi-imx.c
	drivers/tty/serial/imx.c

This resolves dependencies between the pinctrl and clock changes
in imx.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-05-14 15:30:52 +02:00
Arnd Bergmann 304ea74770 Merge branch 'imx/dt/for-3.5' of git://git.linaro.org/people/shawnguo/linux-2.6.git into next/dt2
Shawn Guo <shawn.guo@linaro.org> writes:

  I chose to base it on Sascha's imx-common-clk series than -rc, because
  otherwise it will keep patching clock file that has been removed by
  imx-common-clk series.  It also depends on imx-pinctrl pull-request
  I just sent to be functional.

  Note: when imx-common-clk and imx-pinctrl get merged together, the
  following files will have conflicts.  But the conflicts should not be
  so hard to resolve.

[arnd: resolved those merge conflicts by pulling pinctrl branch]

* imx/dt: (24 commits)
  ARM: dts: imx53-qsb: enable audio support
  ARM: dts: imx51-babbage: enable audio support
  ARM: imx: add audio codec clk lookup for imx53-qsb
  ARM: imx: add audmux pad setting for imx51-babbage
  ARM: imx: add more imx5 ssi clocks
  ARM: dts: imx53-qsb: Add Dialog DA9053 PMIC support
  ARM: dts: imx6q-sabrelite: add serial2 pinctrl support
  ARM: dts: imx6q-sabrelite: add sound device imx6q-sabrelite-sgtl5000
  ARM: imx6q_sabrelite: clk_register_clkdev cko1 for sgtl5000
  ARM: imx6q: add ssi1_ipg clk_lookup
  ARM: dts: imx6q-sabrelite: add audmux pinctrl support
  ARM: dts: imx6q-sabrelite: add i2c1 pinctrl support
  ARM: dts: imx6q-sabrelite: add audmux device
  ARM: dts: imx6q-sabrelite: add ssi device
  ARM: dts: imx6q-arm2: add pinctrl state for usdhc
  ARM: imx6: Add UART2 for low-level debug
  ARM: imx6q: register phy fixup only when CONFIG_PHYLIB is enabled
  ARM: imx6q: move imx6q_sabrelite specific code to a dedicated function
  ARM: dts: imx6q-sabrelite: Add SPI NOR support
  ARM: dts: Add basic support for imx6q-sabresd
  ...

Pulls in imx/pinctrl and imx/clock as dependencies.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-05-14 15:28:19 +02:00
Arnd Bergmann 6b204283f2 Merge branch 'imx/pinctrl' into imx/dt
Conflicts:
	drivers/mmc/host/sdhci-esdhc-imx.c
	drivers/net/ethernet/freescale/fec.c
	drivers/spi/spi-imx.c
	drivers/tty/serial/imx.c

This resolves some simply but annoying conflicts.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-05-14 15:23:13 +02:00
Olof Johansson e29402edf8 Merge branch 'mxs/dt/for-3.5' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/dt2
* 'mxs/dt/for-3.5' of git://git.linaro.org/people/shawnguo/linux-2.6: (51 commits)
  ARM: dts: enable audio support for imx28-evk
  ARM: dts: enable i2c device for imx28-evk
  i2c: mxs: add device tree probe support
  ARM: dts: enable mmc for imx28-evk
  ARM: dts: enable mmc for imx23-evk
  mmc: mxs-mmc: add device tree support
  mmc: mxs-mmc: copy wp_gpio in struct mxs_mmc_host
  mmc: mxs-mmc: have dma_channel than dma_res in mxs_mmc_host
  mmc: mxs-mmc: use devm_* helper to make cleanup simpler
  mmc: mxs-mmc: move header from mach into linux folder
  mmc: mxs-mmc: get rid of the use of cpu_is_xxx
  mmc: mxs-mmc: let ssp_is_old take host as parameter
  mmc: mxs-mmc: use global stmp_device functionality
  ARM: mxs: add gpio support for device tree boot
  gpio/mxs: add device tree probe
  gpio/mxs: get rid of the use of cpu_is_xxx
  gpio/mxs: use devm_* helpers to make error handling simple
  ARM: mxs: add mxs-dma dt support
  ARM: mxs: do not add dma device by default
  dma: mxs-dma: add device tree probe support
  ...
2012-05-12 22:33:24 -07:00
Shawn Guo 6de4d817aa mmc: mxs-mmc: add device tree support
It adds device tree probe support for mxs-mmc driver.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Chris Ball <cjb@laptop.org>
2012-05-13 08:27:37 +08:00
Shawn Guo 31b0ff5e73 mmc: mxs-mmc: copy wp_gpio in struct mxs_mmc_host
Copy wp_gpio from platform_data into struct mxs_mmc_host, so that
the use of platform_data can be limited in probe function, which
will ease the device tree probe.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Marek Vasut <marex@denx.de>
Acked-by: Chris Ball <cjb@laptop.org>
2012-05-13 08:05:58 +08:00
Shawn Guo b60188c820 mmc: mxs-mmc: have dma_channel than dma_res in mxs_mmc_host
It replaces dma_res with dma_channel in struct mxs_mmc_host, so that
the device tree support will be a little easier, since dma channel
can not be retrieved from "struct resource *dma_res".

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Marek Vasut <marex@denx.de>
Acked-by: Chris Ball <cjb@laptop.org>
2012-05-13 08:05:51 +08:00
Shawn Guo df06bfc724 mmc: mxs-mmc: use devm_* helper to make cleanup simpler
Use devm_request_and_ioremap and devm_request_irq helpers to clean up
the code a little bit.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Marek Vasut <marex@denx.de>
Acked-by: Chris Ball <cjb@laptop.org>
2012-05-13 08:05:45 +08:00
Shawn Guo 81f38ee8e6 mmc: mxs-mmc: move header from mach into linux folder
Rename arch/arm/mach-mxs/include/mach/mmc.h to
include/linux/mmc/mxs-mmc.h, so that mxs-mmc driver becomes
<mach/*> inclusion free.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Marek Vasut <marex@denx.de>
Acked-by: Chris Ball <cjb@laptop.org>
2012-05-13 08:05:38 +08:00
Shawn Guo ef9b4d3996 mmc: mxs-mmc: get rid of the use of cpu_is_xxx
The register HW_SSP_VERSION is broken for ssp version detection,
as the address of the register is different between imx23 and imx28.
Let's use platform_device_id to detect the device, so that the use
of cpu_is_xxx can be removed.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Chris Ball <cjb@laptop.org>
2012-05-13 08:05:31 +08:00
Shawn Guo e0bf141db2 mmc: mxs-mmc: let ssp_is_old take host as parameter
Let macro ssp_is_old take host as parameter to make the code easy
to read.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Chris Ball <cjb@laptop.org>
2012-05-13 08:05:25 +08:00
Shawn Guo 70e6020688 mmc: mxs-mmc: use global stmp_device functionality
Use global stmp_device functionality to reduce mach-dependency.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Marek Vasut <marex@denx.de>
Acked-by: Chris Ball <cjb@laptop.org>
2012-05-13 08:05:07 +08:00
Olof Johansson 4a0dfe69fe Merge branch 'imx/pinctrl/for-3.5' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/pinctrl
* 'imx/pinctrl/for-3.5' of git://git.linaro.org/people/shawnguo/linux-2.6: (290 commits)
  ARM: mxs: enable pinctrl support
  video: mxsfb: adopt pinctrl support
  ASoC: mxs-saif: adopt pinctrl support
  i2c: mxs: adopt pinctrl support
  mtd: nand: gpmi: adopt pinctrl support
  mmc: mxs-mmc: adopt pinctrl support
  serial: mxs-auart: adopt pinctrl support
  serial: amba-pl011: adopt pinctrl support
  spi/imx: adopt pinctrl support
  i2c: imx: adopt pinctrl support
  can: flexcan: adopt pinctrl support
  net: fec: adopt pinctrl support
  tty: serial: imx: adopt pinctrl support
  mmc: sdhci-imx-esdhc: adopt pinctrl support
  ARM: imx6q: switch to use pinctrl subsystem
  ARM: mxs: enable pinctrl dummy states
  ARM: imx: enable pinctrl dummy states
  +3.4-rc5 update
2012-05-11 22:59:11 -07:00
Shawn Guo 9c92cf2409 mmc: mxs-mmc: adopt pinctrl support
Cc: linux-mmc@vger.kernel.org
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Chris Ball <cjb@laptop.org>
2012-05-12 09:43:15 +08:00
Dong Aisheng e62d8b8fe7 mmc: sdhci-imx-esdhc: adopt pinctrl support
Cc: linux-mmc@vger.kernel.org
Cc: Chris Ball <cjb@laptop.org>
Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
2012-05-11 14:56:01 +08:00
Olof Johansson caafc71b1a DaVinci SoC updates for v3.5
This pull request updates the DaVinci SoC support to implement DEBUG_LL port
 choice and optimizes the DMA ISR by removing unnecessary register reads.
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Merge tag 'v3.5-soc' of git://gitorious.org/linux-davinci/linux-davinci into next/drivers

DaVinci SoC updates for v3.5

This pull request updates the DaVinci SoC support to implement DEBUG_LL port
choice and optimizes the DMA ISR by removing unnecessary register reads.

* tag 'v3.5-soc' of git://gitorious.org/linux-davinci/linux-davinci:
  ARM: davinci: optimize the DMA ISR
  ARM: davinci: implement DEBUG_LL port choice
  + sync with Linux 3.4-rc6

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-05-10 00:23:17 -07:00
Olof Johansson bf98a6eaa9 Merge branch 'for-3.5/dt' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/dt2
By Stephen Warren (29) and others
via Stephen Warren
* 'for-3.5/dt' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: (43 commits)
  ARM: dt: tegra trimslice: add support for audio
  ARM: dt: tegra trimslice: enable SDHCI1 controller
  ARM: dt: tegra trimslice: add RTC I2C device
  ARM: dt: tegra seaboard: add i2c devices
  ARM: dt: tegra seaboard: configure I2C2 pinmux
  ARM: dt: tegra seaboard: fix I2C2 SCL rate
  ARM: dt: tegra: enable als and proximity sensor
  + pinctrl mergebase branch

The pinctrl mergebase branch merge conflicts in drivers/pinctrl/core.c
that were resolved.

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-05-09 23:51:32 -07:00
Olof Johansson bd69e27304 Merge branch 'for-3.5/usb-ulpi' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/drivers
By Stephen Warren (30) and others
via Stephen Warren
* 'for-3.5/usb-ulpi' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: (7 commits)
  ARM: dt: tegra: pinmux changes for USB ULPI
  ARM: tegra: add USB ULPI PHY reset GPIO to device tree
  ARM: tegra: don't hard-code USB ULPI PHY reset_gpio
  ARM: tegra: change pll_p_out4's rate to 24MHz
  ARM: tegra: fix pclk rate
  ARM: tegra: reparent sclk to pll_c_out1
  ARM: tegra: Add pllc clock init table
  + depends/pinctrl/mergebase branch

Pinctrl mergebase has a conflict in drivers/pinctrl/core.c that was resolved.

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-05-09 23:47:14 -07:00
Olof Johansson 7488185d07 Merge branch 'for-3.5/gpio-pinmux' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/pinctrl
By Stephen Warren
via Stephen Warren
* 'for-3.5/gpio-pinmux' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  pinctrl: tegra: error reporting cleanup
  pinctrl: tegra: debugfs enhancements
  pinctrl: tegra: refactor probe handling
  ARM: dt: tegra20: add pinmux to device tree
  ARM: dt: tegra cardhu: add pinmux to device tree
  ARM: tegra: Remove pre-pinctrl pinmux driver
  ARM: tegra: Switch to new pinctrl driver
  gpio: tegra: Hide tegra_gpio_enable/disable()
  ARM: tegra: seaboard: Don't gpio_request() ISL29018_IRQ
  gpio: tegra: configure pins during irq_set_type
  ARM: tegra: Remove VBUS_GPIO handling from board files
  usb: ehci-tegra: Add vbus_gpio to platform data
2012-05-09 23:43:04 -07:00
Philippe De Swert f6f44590f2 mmc: core: Remove dead code
bus_width is passed to the function and when 0 (MMC_BUS_WIDTH_1)
will cause the function to return. So in in the second test it
definitely is different from 0, and the third test is redundant.

Signed-off-by: Philippe De Swert <philippedeswert@gmail.com>
Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Acked-by: Philip Rakity <prakity@marvell.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-09 20:47:49 -04:00
Philippe De Swert 1c02f000e7 mmc: card: Avoid null pointer dereference
After the null check on md the code jumped to cmd_done, which then
will dereference md in mmc_blk_put. This patch avoids the possible
null pointer dereference in that case.

Signed-off-by: Philippe De Swert <philippedeswert@gmail.com>
Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-09 20:47:37 -04:00
Ulf Hansson fa5501890d mmc: core: Prevent eMMC VCC supply to be cut from late init
For eMMC cards that has been initialized from a bootloader,
the VCC voltage supply must not be cut in an uncontrolled
manner, without first sending SLEEP or POWEROFF_NOTIFY.

The regulator_init_complete late initcall, may cut the VCC
regulator if it's reference counter is zero. To be able to
prevent the regulator from being cut, mmc_start_host, which
should execute at device init and thus before late init,
calls mmc_power_up. Then the host driver is able to increase
the reference to the regulator.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-09 12:55:01 -04:00
Thomas Abraham 95dcc2cb6c mmc: dw_mmc: make multiple instances of dw_mci_card_workqueue
The variable 'dw_mci_card_workqueue' is a global variable shared between
multiple instances of the dw_mmc host controller. Due to this, data
corruption has been noticed when multiple instances of dw_mmc controllers
are actively reading/writing the media. Fix this by adding a instance
of 'struct workqueue_struct' for each host instance and removing the
global 'dw_mci_card_workqueue' instance.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Acked-by: Will Newton <will.newton@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-09 10:14:10 -04:00
Venkatraman S b41b6f1d1c mmc: queue: remove redundant memsets
Not needed to memset, as they are pointers and are assigned
to proper values in the next line anyway.

Signed-off-by: Venkatraman S <svenkatr@ti.com>
Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-09 10:10:46 -04:00
Venkatraman S 1b50f5f392 mmc: queue: rename mmc_request function
The name mmc_request is used for both the issue function
and a data structure, which creates conflicts in symbol lookups
in editors. Rename the function to mmc_request_fn.

Signed-off-by: Venkatraman S <svenkatr@ti.com>
Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-09 10:08:54 -04:00
Subhash Jadavani 3d93576e34 mmc: core: skip card initialization if power class selection fails
With current implementation of power class selection,
mmc_select_powerclass() should never fail. So treat any error
returned by this function as serious enough to skip the card
initialization.

Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-09 10:07:12 -04:00
Seungwon Jeon 10942aa40a mmc: core: fix the signaling 1.8V for HS200
Currently only 1.2V is treated for HS200 mode. If the host has only
1.8V I/O capability not 1.2V, mmc_set_signal_voltage can't be called
for 1.8V HS200. EXT_CSD_CARD_TYPE_SDR_1_8V needs to be considered.

Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-09 10:04:12 -04:00
Seungwon Jeon 96cf5f02ae mmc: core: fix the decision of HS200/DDR card-type
Current implementation decides the card type exclusively. Even though
eMMC device can support both HS200 and DDR mode, card type will be
set only for HS200. If the host doesn't support HS200 but has DDR
capability, then DDR mode can't be selected.

Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-05-09 10:03:21 -04:00
Andrew Lunn f4f7561e03 ARM: Orion: SDIO: Add support for clk.
Some orion devices can gate the SDIO clock. If the clock exists,
enable/disable it as appropriate.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Jamie Lentin <jm@lentin.co.uk>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2012-05-08 16:34:00 -07:00