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2013-03-15sh-pfc: r8a7779: Add SDHI and MMCIF pin groups and functionsLaurent Pinchart1-0/+284
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: r8a7779: Add DU pin groups and functionsLaurent Pinchart1-47/+236
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: r8a7740: Add SDHI and MMCIF pin groups and functionsGuennadi Liakhovetski1-0/+248
Add pin groups for the first two SDHI interfaces and two alternative pin groups for the MMCIF interface on the r8a7740 SoC. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: r8a7740: Add LCDC0 and LCDC1 pin groups and functionsLaurent Pinchart1-0/+276
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: sh73a0: Add IrDA pin groups and functionsLaurent Pinchart1-0/+23
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: sh73a0: Add USB pin groups and functionsLaurent Pinchart1-0/+14
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: sh73a0: Add BSC pin groups and functionsLaurent Pinchart1-0/+124
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: sh73a0: Add KEYSC pin groups and functionsLaurent Pinchart1-0/+213
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: sh73a0: Add SDHI and MMCIF pin groups and functionsGuennadi Liakhovetski1-0/+194
Add pin group definitions for SDHI0, SDHI1, SDHI2 and MMCIF interfaces on sh73a0. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: sh73a0: Add FSI pin groups and functionsLaurent Pinchart1-0/+244
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: sh73a0: Add I2C2 and I2C3 pin groups and functionsLaurent Pinchart1-0/+64
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: sh73a0: Add SCIFA and SCIFB pin groups and functionsLaurent Pinchart1-0/+351
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: sh73a0: Add LCD and LCD2 pin groups and functionsLaurent Pinchart1-0/+254
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: sh73a0: Add bias (pull-up/down) pinconf supportLaurent Pinchart1-1/+350
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: sh7372: Add SDHCI and MMCIF pin groups and functionsGuennadi Liakhovetski1-0/+206
Add pin groups for all three SDHI interfaces and two alternative pin groups for the MMCIF interface on the sh7372 SoC. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
2013-03-15sh-pfc: Return an error if a pin doesn't support the requested directionLaurent Pinchart1-0/+10
When setting a pin direction verify that the requested direction is supported, and return an error if it isn't. This requires pin configuration information to be supplied by SoC data. The check is a no-op if the information is not supplied. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: Convert message printing from pr_* to dev_*Laurent Pinchart3-15/+20
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: Clean up pin configuration type handlingLaurent Pinchart1-28/+46
Set pin configuration type to - PINMUX_TYPE_NONE at initialization time and when disabling a function or freeing a GPIO - PINMUX_TYPE_FUNCTION when enabling a function - PINMUX_TYPE_INPUT or PINMUX_TYPE_OUTPUT when setting the GPIO direction Verify that the type is PINMUX_TYPE_NONE when enabling a function or requesting a GPIO and return -EBUSY if it isn't. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: Merge sh_pfc_reconfig_pin() into sh_pfc_gpio_set_direction()Laurent Pinchart1-39/+32
The sh_pfc_reconfig_pin() is only called from a single location. Merge it into its call site to make the code easier to follow. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: Implement generic pinconf supportLaurent Pinchart3-30/+110
The existing PFC pinconf implementation, tied to the PFC-specific pin types, isn't used by drivers or boards. Replace it with the generic pinconf types to implement bias (pull-up/down) setup. Other pin configuration options can be implemented later if needed. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: Use proper error codesLaurent Pinchart3-31/+25
Return proper error codes instead of -1, and propagate the error codes. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: Constify all SoC dataLaurent Pinchart21-123/+125
None of the SoC data need to be modified. Constify it. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: Remove configuration dry-run and freeLaurent Pinchart5-108/+12
The purpose of the dry-run is to ensure that a pin about to be configured isn't in use. However, the current implementation is a no-op. This proves that the dry-run isn't essential. Remove it. Freeing configuration then becomes a no-op as well. Remove it. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: Don't modify sh_pfc_pin SoC dataLaurent Pinchart5-61/+68
The sh_pfc_pin structure supplied in SoC data contains information about pin configuration and name. It's abused to store GPIO data registers information and pin config type. Move those fields out of the pinmux_data_reg structure into the new sh_pfc_gpio_pin and sh_pfc_pin_config structures. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: Don't modify pinmux_data_reg SoC dataLaurent Pinchart2-19/+41
The pinmux_data_reg structure supplied in SoC data contains information about data registers. It's abused to store per-device mapped iomem and shadow values. Move those fields out of the pinmux_data_reg structure into the per-device sh_pfc_chip structure. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: Drop unused support for 1:1 physical to virtual memory mappingsLaurent Pinchart1-9/+6
Now that all PFC platform devices provide memory resources support for registers without an associated memory resource isn't used anymore. Drop it. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: Don't map data registers individuallyLaurent Pinchart4-53/+82
All data registers are located in the same memory resource. Locate the mapped resource at initializat time and use it directly instead of computing a mapped address for each register. This gets rid of the mapped_reg field of the pinmux_data_reg structure. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: Move GPIO registers access functions to gpio.cLaurent Pinchart3-116/+97
Move the sh_pfc_setup_data_regs(), sh_pfc_setup_data_reg(), sh_pfc_get_data_reg(), sh_pfc_read_bit() and sh_pfc_write_bit() function to gpio.c as they belong to the GPIO implementation. Inline sh_pfc_read_bit() and sh_pfc_write_bit() in their only call location. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: Fix return value check in sh_pfc_register_pinctrl()Wei Yongjun1-2/+2
In case of error, the function pinctrl_register() returns NULL not ERR_PTR(). The IS_ERR() test in the return value check should be replaced with NULL test. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh: shx3: Add pin control resourcesLaurent Pinchart1-3/+14
Add memory resources for the pin control platform device to let the sh-pfc driver ioremap() registers properly instead of evily casting register physical addresses to virtual addresses. The memory resource address range has been extracted from the config and data registes lists in the sh-pfc driver. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
2013-03-15sh: sh7786: Add pin control resourcesLaurent Pinchart1-2/+12
Add memory resources for the pin control platform device to let the sh-pfc driver ioremap() registers properly instead of evily casting register physical addresses to virtual addresses. The memory resource address range has been extracted from the config and data registes lists in the sh-pfc driver. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
2013-03-15sh: sh7785: Add pin control resourcesLaurent Pinchart1-2/+12
Add memory resources for the pin control platform device to let the sh-pfc driver ioremap() registers properly instead of evily casting register physical addresses to virtual addresses. The memory resource address range has been extracted from the config and data registes lists in the sh-pfc driver. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
2013-03-15sh: sh7757: Add pin control resourcesLaurent Pinchart1-1/+12
Add memory resources for the pin control platform device to let the sh-pfc driver ioremap() registers properly instead of evily casting register physical addresses to virtual addresses. The memory resource address range has been extracted from the config and data registes lists in the sh-pfc driver. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
2013-03-15sh: sh7724: Add pin control resourcesLaurent Pinchart1-1/+12
Add memory resources for the pin control platform device to let the sh-pfc driver ioremap() registers properly instead of evily casting register physical addresses to virtual addresses. The memory resource address range has been extracted from the config and data registes lists in the sh-pfc driver. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
2013-03-15sh: sh7723: Add pin control resourcesLaurent Pinchart1-2/+12
Add memory resources for the pin control platform device to let the sh-pfc driver ioremap() registers properly instead of evily casting register physical addresses to virtual addresses. The memory resource address range has been extracted from the config and data registes lists in the sh-pfc driver. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
2013-03-15sh: sh7722: Add pin control resourcesLaurent Pinchart1-2/+12
Add memory resources for the pin control platform device to let the sh-pfc driver ioremap() registers properly instead of evily casting register physical addresses to virtual addresses. The memory resource address range has been extracted from the config and data registes lists in the sh-pfc driver. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
2013-03-15sh: sh7720: Add pin control resourcesLaurent Pinchart1-2/+12
Add memory resources for the pin control platform device to let the sh-pfc driver ioremap() registers properly instead of evily casting register physical addresses to virtual addresses. The memory resource address range has been extracted from the config and data registes lists in the sh-pfc driver. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
2013-03-15sh: sh7269: Add pin control resourcesLaurent Pinchart1-1/+10
Add memory resources for the pin control platform device to let the sh-pfc driver ioremap() registers properly instead of evily casting register physical addresses to virtual addresses. The memory resource address range has been extracted from the config and data registes lists in the sh-pfc driver. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
2013-03-15sh: sh7264: Add pin control resourcesLaurent Pinchart1-1/+12
Add memory resources for the pin control platform device to let the sh-pfc driver ioremap() registers properly instead of evily casting register physical addresses to virtual addresses. The memory resource address range has been extracted from the config and data registes lists in the sh-pfc driver. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
2013-03-15sh: sh7203: Add pin control resourcesLaurent Pinchart1-1/+12
Add memory resources for the pin control platform device to let the sh-pfc driver ioremap() registers properly instead of evily casting register physical addresses to virtual addresses. The memory resource address range has been extracted from the config and data registes lists in the sh-pfc driver. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
2013-03-15sh-pfc: Expose real groups and functions in pinctrl/pinmux operationsLaurent Pinchart2-56/+93
The sh-pfc driver exposes one fake group and function per GPIO pin. As the pinctrl and pinmux APIs are not used by any SuperH and SH Mobile board or driver, drop the fake groups and functions and replace them by a real pinctrl and pinmux implementation. Groups and functions must now be explicitly provided by PFC SoC-specific data. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15ARM: shmobile: mackerel: Replace GPIO_PORTx enum with GPIO port numbersLaurent Pinchart1-17/+17
The PFC GPIO API implementation moved to using port numbers. Replace all GPIO_PORTx enum usage with the corresponding port number. The GPIO_PORTx enum values are identical to the port number on this platform. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15ARM: shmobile: bonito: Replace GPIO_PORTx enum with GPIO port numbersLaurent Pinchart1-3/+3
The PFC GPIO API implementation moved to using port numbers. Replace all GPIO_PORTx enum usage with the corresponding port number. The GPIO_PORTx enum values are identical to the port number on this platform. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15ARM: shmobile: armadillo: Replace GPIO_PORTx enum with GPIO port numbersLaurent Pinchart1-29/+29
The PFC GPIO API implementation moved to using port numbers. Replace all GPIO_PORTx enum usage with the corresponding port number. The GPIO_PORTx enum values are identical to the port number on this platform. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15ARM: shmobile: ap4-evb: Replace GPIO_PORTx enum with GPIO port numbersLaurent Pinchart1-18/+18
The PFC GPIO API implementation moved to using port numbers. Replace all GPIO_PORTx enum usage with the corresponding port number. The GPIO_PORTx enum values are identical to the port number on this platform. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15ARM: shmobile: sh73a0: Support sparse GPIO numbersGuennadi Liakhovetski5-75/+84
The SH73A0 SoC has sparse GPIO numbers. Declare the pin numbers ranges in the PFC SoC data and use the pin numbers in the GPIO API. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: Add support for sparse pin numbersLaurent Pinchart5-27/+91
The PFC driver assumes that the value of the GPIO_PORTxxx enumeration names are equal to the port number. This isn't true when the port number space is sparse, as with the SH73A0. Fix the issue by adding support for pin numbers ranges specified through SoC data. When no range is specified the driver considers that the PFC implements a single contiguous range for all pins. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: Replace pinctrl_add_gpio_range() with gpiochip_add_pin_range()Laurent Pinchart2-9/+6
Adding a GPIO range to a pinctrl device logically belongs to the GPIO driver. Switch to the right API. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: Add function to retrieve a pin instance from its pin numberLaurent Pinchart4-12/+22
This prepares support for sparse pin numbering. The function currently just performs and indexed lookup in the pins array. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-15sh-pfc: Simplify the sh_pfc_gpio_is_pin() logicLaurent Pinchart3-32/+22
The function is guaranteed to be called with a gpio number smaller than nr_pins. The condition can the be simplified, and the function inlined. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
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