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Cache IRQ in domain_irq variable instead of
making use of irq_find_mapping(). While at it
rename the irq variable to requested_irq.
Signed-off-by: Magnus Damm <damm@opensource.se>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Remove whitespace damage and add newline
between variables and code.
Signed-off-by: Magnus Damm <damm@opensource.se>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Update the r8a7779 IRQ code to make use of the
INTC External IRQ pin driver for external
interrupt pins IRQ0 -> IRQ3.
The r8a7779 SoC can like older SH SoCs configure
to use the IRQ0 -> IRQ3 signals as individual
interrupts or a combined IRL mode.
Without this patch the r8a7779 SoC code does
not fully support external IRQ pins in individual
IRQ mode. The r8a7779 PFC code does not yet have
gpio_to_irq() support so no need to update such
code.
At this point the DT reference implementations
are not covered. In the future such code shall
tie in the INTC External IRQ pin driver via
DT, so this kind of verbose code is not needed
for the long term DT case.
Signed-off-by: Magnus Damm <damm@opensource.se>
Tested-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Adjust the sh73a0 IRQ code to make use of the
INTC External IRQ pin driver for external
interrupt pins IRQ0 -> IRQ31.
This removes quite a bit of special-case code
in intc-sh73a0.c but the number of lines get
replaced with platform device information in
setup-sh73a0.c. The PFC code is also adjusted
to make gpio_to_irq() return the correct
interrupt number.
At this point the DT reference implementations
are not covered. In the future such code shall
tie in the INTC External IRQ pin driver via
DT, so this kind of verbose code is not needed
for the long term DT case.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Add the macro irq_pin() to let board-specific code using
platform devices tie in external IRQn pins in a common way.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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This patch adds a driver for external IRQ pins connected
to the INTC block on recent SoCs from Renesas.
The INTC hardware block usually contains a rather wide
range of features ranging from external IRQ pin handling
to legacy interrupt controller support. On older SoCs
the INTC is used as a general purpose interrupt controller
both for external IRQ pins and on-chip devices.
On more recent ARM based SoCs with Cortex-A9 the main
interrupt controller is the GIC, but IRQ trigger setup
still need to happen in the INTC hardware block.
This driver implements the glue code needed to configure
IRQ trigger and also handle mask/unmask and demux of
external IRQ pins hooked up from the INTC to the GIC.
Tested on sh73a0 and r8a7779. The hardware varies quite
a bit with SoC model, for instance register width and
bitfield widths vary wildly. The driver requires one GIC
SPI per external IRQ pin to operate. Each driver instance
will handle up to 8 external IRQ pins.
The SoCs using this driver are currently mainly used
together with regular platform devices so this driver
allows configuration via platform data to support things
like static interrupt base address. DT support will
be added incrementally in the not so distant future.
Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
[Rename device from to rcarfb to rcar-du]
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
[Manual conflict resolution]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Those GPIOs have been deprecated by the pinctrl API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Those GPIOs have been deprecated by the pinctrl API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Those GPIOs have been deprecated by the pinctrl API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Those GPIOs have been deprecated by the pinctrl API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Those GPIOs have been deprecated by the pinctrl API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Those GPIOs have been deprecated by the pinctrl API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Those GPIOs have been deprecated by the pinctrl API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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The function is not documented in the r8a7779 datasheet. Remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Those GPIOs have been deprecated by the pinctrl API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Those GPIOs have been deprecated by the pinctrl API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Those GPIOs have been deprecated by the pinctrl API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Those GPIOs have been deprecated by the pinctrl API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Those GPIOs have been deprecated by the pinctrl API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Those GPIOs have been deprecated by the pinctrl API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Those GPIOs have been deprecated by the pinconf API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Those GPIOs have been deprecated by the pinctrl API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Those GPIOs have been deprecated by the pinctrl API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Those GPIOs have been deprecated by the pinctrl API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Those GPIOs have been deprecated by the pinctrl API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Those GPIOs have been deprecated by the pinctrl API. They are unused and
unneeded, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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All r8a7779 platforms now use the pinctrl API to control the INTC pins,
the corresponding function GPIOS are unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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All r8a7779 platforms now use the pinctrl API to control the LBSC pins,
the corresponding function GPIOS are unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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All r8a7779 platforms now use the pinctrl API to control the USB pins,
the corresponding function GPIOS are unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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All r8a7779 platforms now use the pinctrl API to control the HSPI pins,
the corresponding function GPIOS are unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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All r8a7779 platforms now use the pinctrl API to control the SCIF pins,
the corresponding function GPIOS are unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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All r8a7779 platforms now use the pinctrl API to control the SDHI and
MMCIF pins, the corresponding function GPIOS are unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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The function is not documented in the r8a7779 datasheet. Remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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All r8a7740 platforms now use the pinctrl API to control the SDHI and
MMCIF pins, the corresponding function GPIOS are unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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All r8a7740 platforms now use the pinctrl API to control the LCD0 and
LCD1 pins, the corresponding function GPIOS are unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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All sh73a0 platforms now use the pinctrl API to control the IrDA pins,
the corresponding function GPIOS are unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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All sh73a0 platforms now use the pinctrl API to control the USB pins,
the corresponding function GPIOS are unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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All sh73a0 platforms now use the pinctrl API to control the BSC pins,
the corresponding function GPIOS are unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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All sh73a0 platforms now use the pinctrl API to control the KEYSC pins,
the corresponding function GPIOS are unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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All sh73a0 platforms now use the pinconf API to control pull-ups, the
corresponding function GPIOS are unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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All sh73a0 platforms now use the pinctrl API to control the FSI pins,
the corresponding function GPIOS are unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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All sh73a0 platforms now use the pinctrl API to control the I2C pins,
the corresponding function GPIOS are unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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All sh73a0 platforms now use the pinctrl API to control the SCIFA and
SCIFB pins, the corresponding function GPIOS are unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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All sh73a0 platforms now use the pinctrl API to control the LCD and
LCD2 pins, the corresponding function GPIOS are unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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All sh7372 platforms now use the pinctrl API to control the SDHI and
MMCIF pins, the corresponding function GPIOS are unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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Replace the GPIO-based INTC pinmux configuration by pinctrl mappings.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Replace the GPIO-based LBSC pinmux configuration by pinctrl mappings.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Replace the GPIO-based USB pinmux configuration by pinctrl mappings.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Replace the GPIO-based HSPI pinmux configuration by pinctrl mappings.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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