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Magnus Damm 443580486e irqchip: Renesas INTC External IRQ pin driver 
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>
 		2013-03-18 21:26:05 +09:00
..
ad5449.h iio:dac: Add support for the ad5449 2012-10-19 18:46:51 +01:00
ad5755.h iio:dac: Add ad5755 driver 2012-09-17 20:55:54 +01:00
ad7266.h iio:adc: Add AD7265/AD7266 support 2012-06-30 10:15:07 +01:00
ad7298.h staging:iio: Move the ad7298 driver out of staging 2012-11-19 22:22:15 +00:00
ad7791.h staging:iio:adc: Add AD7791 driver 2012-09-08 10:20:09 +01:00
ad7793.h staging:iio: Move ad7793 driver out of staging 2012-11-30 12:57:08 +00:00
ad7887.h staging:iio: Move the ad7887 driver out of staging 2012-11-05 20:39:54 +00:00
ads7828.h hwmon: (ads7828) driver cleanup 2012-12-05 10:55:54 -08:00
asoc-imx-ssi.h ARM: imx: remove header file mach/irqs.h 2012-10-15 10:05:43 +08:00
asoc-kirkwood.h ARM: orion: move platform_data definitions 2012-09-19 17:42:17 +02:00
asoc-mx27vis.h ASoC: mx27vis: retrieve gpio numbers from platform_data 2012-09-17 07:35:08 -04:00
asoc-palm27x.h ARM: pxa: move platform_data definitions 2012-09-14 11:18:10 +02:00
asoc-s3c.h ASoC: Samsung: Get I2S src_clk from clock alias id. 2012-11-28 19:18:00 +00:00
asoc-s3c24xx_simtec.h ARM: samsung: move platform_data definitions 2012-09-19 17:42:18 +02:00
asoc-ti-mcbsp.h Sound updates for 3.7-rc1 2012-10-09 07:07:14 +09:00
at91_adc.h
…
ata-pxa.h ARM: pxa: move platform_data definitions 2012-09-14 11:18:10 +02:00
ata-samsung_cf.h ARM: samsung: move platform_data definitions 2012-09-19 17:42:18 +02:00
atmel-aes.h ARM: at91: move platform_data definitions 2012-09-14 11:16:40 +02:00
atmel.h atmel: move ATMEL_MAX_UART to platform_data/atmel.h 2012-11-19 17:44:54 +01:00
camera-mx1.h ARM: imx: move platform_data definitions 2012-09-14 11:17:21 +02:00
camera-mx2.h Merge branch 'multiplatform/platform-data' into next/multiplatform 2012-09-22 01:07:21 -07:00
camera-mx3.h ARM: imx: move platform_data definitions 2012-09-14 11:17:21 +02:00
camera-pxa.h ARM: pxa: move platform_data definitions 2012-09-14 11:18:10 +02:00
clk-integrator.h clk: move IM-PD1 clocks to drivers/clk 2012-11-21 11:02:44 -08:00
clk-nomadik.h ARM: nomadik: convert to generic clock 2012-06-10 18:41:40 +02:00
clk-realview.h clk: convert ARM RealView to common clk 2012-08-24 17:42:10 -07:00
clk-u300.h ARM: u300: convert to common clock 2012-07-11 15:36:45 -07:00
clk-ux500.h clk: ux500: First version of clock definitions for ux500 2012-09-06 15:58:04 -07:00
clocksource-nomadik-mtu.h ARM: plat-nomadik: move MTU, kill plat-nomadik 2012-11-05 09:55:33 +01:00
cpsw.h driver: net: ethernet: cpsw: dual emac interface implementation 2013-02-12 16:15:10 -05:00
crypto-ux500.h ARM: plat-nomadik: move DMA40 header to <linux/platform_data> 2012-11-05 09:55:32 +01:00
davinci_asp.h ASoC: McASP: remove unused variables 2012-12-07 14:46:56 +09:00
db8500_thermal.h Thermal: Add ST-Ericsson DB8500 thermal driver. 2012-11-15 20:50:34 +08:00
dma-atmel.h ARM: at91: move platform_data definitions 2012-09-14 11:16:40 +02:00
dma-coh901318.h dma: coh901318: create a proper platform data file 2013-01-07 17:35:57 +01:00
dma-ep93xx.h ARM: ep93xx: move platform_data definitions 2012-09-14 11:16:55 +02:00
dma-imx-sdma.h ARM: imx: move platform_data definitions 2012-09-14 11:17:21 +02:00
dma-imx.h dma: imx-dma: remove cpu_is_xxx by using platform_device_id 2012-10-15 10:03:17 +08:00
dma-mmp_tdma.h ARM: pxa: move platform_data definitions 2012-09-14 11:18:10 +02:00
dma-mv_xor.h dma: mv_xor: remove the pool_size from platform_data 2012-11-20 15:59:00 +01:00
dma-ste-dma40.h dmaengine: ste_dma40: add software lli support 2013-01-14 10:51:08 +01:00
dmtimer-omap.h ARM: OMAP: Add platform data header for DMTIMERs 2012-11-16 10:35:08 -06:00
dsp-omap.h ARM: omap: move platform_data definitions 2012-09-19 17:39:52 +02:00
dwc3-exynos.h
…
dwc3-omap.h
…
efm32-uart.h
…
ehci-sh.h
…
elm.h mtd: nand: omap2: Support for hardware BCH error correction. 2013-02-04 09:26:29 +02:00
emif_plat.h
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eth-netx.h ARM: netx: move platform_data definitions 2012-09-14 11:17:36 +02:00
exynos_thermal.h Thermal: exynos: Add support for temperature falling interrupt. 2013-02-08 20:26:07 +08:00
fsa9480.h
…
gpio-em.h
…
gpio-omap.h ARM: OMAP: Remove NEED_MACH_GPIO_H 2012-11-02 12:00:36 -07:00
gpio-ts5500.h gpio: add TS-5500 DIO blocks support 2012-12-10 11:23:25 +01:00
hwmon-s3c.h ARM: samsung: move platform_data definitions 2012-09-19 17:42:18 +02:00
i2c-cbus-gpio.h i2c: i2c-cbus-gpio: introduce driver 2012-11-19 09:57:16 +01:00
i2c-davinci.h ARM: davinci: move platform_data definitions 2012-09-14 11:16:54 +02:00
i2c-imx.h ARM: imx: move platform_data definitions 2012-09-14 11:17:21 +02:00
i2c-nomadik.h i2c: nomadik: Add Device Tree support to the Nomadik I2C driver 2012-10-06 13:20:33 +02:00
i2c-nuc900.h ARM: w90x900: move platform_data definitions 2012-09-14 11:18:59 +02:00
i2c-s3c2410.h ARM: s3c: i2c: add platform_device forward declaration 2013-02-14 15:04:40 +01:00
imx-iram.h [media] coda: Fix build due to iram.h rename 2013-01-08 09:44:06 +01:00
ina2xx.h hwmon: INA219 and INA226 support 2012-05-22 06:48:02 -07:00
invensense_mpu6050.h Invensense MPU6050 Device Driver. 2013-02-10 17:42:43 +00:00
iommu-omap.h iommu/omap: Adapt to runtime pm 2012-12-03 18:48:23 +01:00
irda-pxaficp.h ARM: pxa: move platform_data definitions 2012-09-14 11:18:10 +02:00
irq-renesas-intc-irqpin.h irqchip: Renesas INTC External IRQ pin driver 2013-03-18 21:26:05 +09:00
keyboard-pxa930_rotary.h ARM: pxa: move platform_data definitions 2012-09-14 11:18:10 +02:00
keyboard-spear.h ARM: spear: move platform_data definitions 2012-09-19 17:42:19 +02:00
keypad-ep93xx.h ARM: ep93xx: move platform_data definitions 2012-09-14 11:16:55 +02:00
keypad-nomadik-ske.h ARM: nomadik: move platform_data definitions 2012-09-14 11:19:00 +02:00
keypad-omap.h ARM: omap: move platform_data definitions 2012-09-19 17:39:52 +02:00
keypad-pxa27x.h ARM: pxa: move platform_data definitions 2012-09-14 11:18:10 +02:00
keypad-w90p910.h ARM: w90x900: move platform_data definitions 2012-09-14 11:18:59 +02:00
keyscan-davinci.h ARM: davinci: move platform_data definitions 2012-09-14 11:16:54 +02:00
lcd-mipid.h ARM: omap: move platform_data definitions 2012-09-19 17:39:52 +02:00
leds-kirkwood-netxbig.h ARM: orion: move platform_data definitions 2012-09-19 17:42:17 +02:00
leds-kirkwood-ns2.h ARM: orion: move platform_data definitions 2012-09-19 17:42:17 +02:00
leds-lm355x.h leds: Add new LED driver for lm355x chips 2012-09-11 18:32:43 +08:00
leds-lm3642.h leds: Add new LED driver for lm3642 chips 2012-09-13 11:56:41 +08:00
leds-lp55xx.h leds-lp55xx: add new common driver for lp5521/5523 2013-02-06 15:59:26 -08:00
leds-omap.h ARM: OMAP: Move plat/led.h to include/linux/platform_data 2012-10-17 12:03:18 -07:00
leds-pca9633.h leds: add output driver configuration for pca9633 led driver 2012-09-24 19:12:29 +08:00
leds-renesas-tpu.h
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leds-s3c24xx.h ARM: samsung: move platform_data definitions 2012-09-19 17:42:18 +02:00
lm3630_bl.h backlight: add Backlight driver for lm3630 chip 2012-10-06 03:04:53 +09:00
lm3639_bl.h backlight: add new lm3639 backlight driver 2012-10-06 03:04:53 +09:00
lp855x.h backlight: lp855x_bl: support new LP8557 device 2013-02-21 17:22:25 -08:00
lp8727.h lp8727_charger: More pure cosmetic improvements 2012-09-20 18:07:23 -07:00
lp8755.h regulator: lp8755: new driver for LP8755 2012-12-24 16:32:34 +00:00
macb.h net/at91_ether: add pdata flag for reverse Eth addr 2012-10-23 02:40:10 -04:00
max197.h hwmon: add Maxim MAX197 support 2012-09-23 21:08:33 -07:00
max310x.h serial: New serial driver MAX310X 2012-08-16 12:12:25 -07:00
max6697.h hwmon: Driver for Maxim MAX6697 and compatibles 2013-02-06 09:57:56 -08:00
mfd-mcp-sa11x0.h ARM: sa1100: move platform_data definitions 2012-09-14 11:18:57 +02:00
microread.h NFC: Initial support for Inside Secure microread 2013-02-03 20:37:42 +01:00
mipi-csis.h [media] s5p-csis: Allow to specify pixel clock's source through platform data 2012-10-05 22:35:16 -03:00
mmc-davinci.h ARM: davinci: move platform_data definitions 2012-09-14 11:16:54 +02:00
mmc-esdhc-imx.h mmc: sdhci-esdhc-imx: support 8bit mode 2013-02-24 14:37:03 -05:00
mmc-msm_sdcc.h ARM: msm: move platform_data definitions 2012-09-14 11:17:35 +02:00
mmc-mvsdio.h ARM: orion: move platform_data definitions 2012-09-19 17:42:17 +02:00
mmc-mxcmmc.h ARM: imx: move platform_data definitions 2012-09-14 11:17:21 +02:00
mmc-omap.h ARM: arm-soc: Header cleanups 2012-12-12 11:45:16 -08:00
mmc-pxamci.h ARM: pxa: move platform_data definitions 2012-09-14 11:18:10 +02:00
mmc-s3cmci.h ARM: samsung: move platform_data definitions 2012-09-19 17:42:18 +02:00
mmp_audio.h ASoC: mmp: add audio dma support 2012-06-13 13:13:37 +01:00
mmp_dma.h dmaengine: mmp-pdma support 2012-09-14 08:14:07 +05:30
mouse-pxa930_trkball.h ARM: pxa: move platform_data definitions 2012-09-14 11:18:10 +02:00
msm_serial_hs.h
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mtd-davinci-aemif.h ARM: davinci: move platform_data definitions 2012-09-14 11:16:54 +02:00
mtd-davinci.h ARM: davinci: move platform_data definitions 2012-09-14 11:16:54 +02:00
mtd-mxc_nand.h ARM: imx: move platform_data definitions 2012-09-14 11:17:21 +02:00
mtd-nand-omap2.h mtd: omap-nand: pass device_node in platform data 2013-01-14 09:55:19 -08:00
mtd-nand-pxa3xx.h ARM: pxa: move platform_data definitions 2012-09-14 11:18:10 +02:00
mtd-nand-s3c2410.h ARM: samsung: move platform_data definitions 2012-09-19 17:42:18 +02:00
mtd-onenand-omap2.h mtd: omap-onenand: pass device_node in platform data 2013-02-01 14:10:11 -08:00
mtd-orion_nand.h ARM: orion: move platform_data definitions 2012-09-19 17:42:17 +02:00
mv_usb.h usb/marvell: remove conditional compilation of clk code 2012-07-30 17:25:12 -07:00
ntc_thermistor.h
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omap-abe-twl6040.h
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omap-twl4030.h ASoC: omap-twl4030: Update the header file to support more boards 2012-12-07 12:54:31 +09:00
omap-wd-timer.h ARM: OMAP2+: WDT: move init; add read_reset_sources pdata function pointer 2012-10-29 20:49:44 -06:00
omap1_bl.h ARM: OMAP1: move omap1_bl pdata out of arch/arm/* 2012-09-10 16:34:00 -07:00
omap4-keypad.h
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omap_drm.h staging: drm/omap: add support for ARCH_MULTIPLATFORM 2012-10-30 11:10:00 -07:00
omap_ocp2scp.h drivers: bus: ocp2scp: add pdata support 2012-11-07 09:35:53 -08:00
pcmcia-pxa2xx_viper.h ARM: pxa: move platform_data definitions 2012-09-14 11:18:10 +02:00
pinctrl-coh901.h pinctrl/u300/coh901: stop spawning pinctrl from GPIO 2012-11-21 08:55:22 +01:00
pinctrl-nomadik.h pinctrl/nomadik: merge old pincfg header 2012-11-05 09:55:29 +01:00
pn544.h NFC: Move pn544.h to linux/platform_data/ 2012-11-19 23:56:59 +01:00
pxa2xx_udc.h ARM: move udc_pxa2xx.h to linux/platform_data 2012-11-16 11:35:30 +00:00
pxa_sdhci.h mmc: sdhci-pxav3: add quirks2 2012-12-06 13:54:51 -05:00
remoteproc-omap.h - Remoteproc Recovery - by Fernando Guzman Lugo - when a remote processor 2012-10-04 09:11:57 -07:00
s3c-hsotg.h ARM defconfigs: add missing inclusions of linux/platform_device.h 2013-02-14 15:14:32 -08:00
s3c-hsudc.h
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sa11x0-serial.h ARM: move serial_sa1100.h header file to linux/platform_data 2012-11-16 11:35:29 +00:00
samsung-usbphy.h usb: phy: samsung: Introducing usb phy driver for hsotg 2013-01-18 15:06:30 +02:00
sc18is602.h spi: Master driver for NXP SC18IS602/603 2012-08-22 19:34:51 +01:00
serial-imx.h ARM: imx: move platform_data definitions 2012-09-14 11:17:21 +02:00
serial-omap.h ARM: OMAP: Move plat/omap-serial.h to include/linux/platform_data/serial-omap.h 2012-12-14 14:50:09 -08:00
serial-sccnxp.h serial: sccnxp: Rename header file to match functionality 2013-01-15 23:00:38 -08:00
sh_ipmmu.h iommu/shmobile: Add iommu driver for Renesas IPMMU modules 2013-02-06 10:57:25 +01:00
shmob_drm.h drm: Renesas SH Mobile DRM driver 2012-09-18 12:28:22 +02:00
sht15.h hwmon: (sht15) move header to linux/platform_data/ 2012-09-23 21:08:35 -07:00
spi-clps711x.h spi/clps711x: New SPI master driver 2012-12-05 23:14:38 +00:00
spi-davinci.h ARM: davinci: move platform_data definitions 2012-09-14 11:16:54 +02:00
spi-ep93xx.h ARM: ep93xx: move platform_data definitions 2012-09-14 11:16:55 +02:00
spi-imx.h ARM: imx: move platform_data definitions 2012-09-14 11:17:21 +02:00
spi-nuc900.h ARM: w90x900: move platform_data definitions 2012-09-14 11:18:59 +02:00
spi-omap2-mcspi.h spi: spi-omap2-mcspi.c: Toggle CS after each word 2013-01-26 17:00:04 +08:00
spi-s3c64xx.h ARM: samsung: move platform_data definitions 2012-09-19 17:42:18 +02:00
tegra_emc.h
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tegra_usb.h
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ti_am335x_adc.h IIO : ADC: tiadc: Add support of TI's ADC driver 2012-11-05 23:50:27 +01:00
touchscreen-s3c2410.h ARM: samsung: move platform_data definitions 2012-09-19 17:42:18 +02:00
tsl2563.h iio:light:tsl2563 move out of staging 2013-01-27 17:37:24 +00:00
uio_dmem_genirq.h Add new uio device for dynamic memory allocation 2012-10-24 15:39:08 -07:00
uio_pruss.h uio: uio_pruss: replace private SRAM API with genalloc 2012-10-27 16:28:32 +05:30
usb-davinci.h ARM: davinci: move platform_data definitions 2012-09-14 11:16:54 +02:00
usb-ehci-mxc.h ARM: imx: move platform_data definitions 2012-09-14 11:17:21 +02:00
usb-ehci-orion.h ARM: orion: move platform_data definitions 2012-09-19 17:42:17 +02:00
usb-ehci-s5p.h ARM: samsung: move platform_data definitions 2012-09-19 17:42:18 +02:00
usb-exynos.h ARM: samsung: move platform_data definitions 2012-09-19 17:42:18 +02:00
usb-imx_udc.h ARM: imx: move platform_data definitions 2012-09-14 11:17:21 +02:00
usb-musb-ux500.h ARM: nomadik: move platform_data definitions 2012-09-14 11:19:00 +02:00
usb-mx2.h ARM: imx: move platform_data definitions 2012-09-14 11:17:21 +02:00
usb-ohci-pxa27x.h ARM: pxa: move platform_data definitions 2012-09-14 11:18:10 +02:00
usb-ohci-s3c2410.h ARM: samsung: move platform_data definitions 2012-09-19 17:42:18 +02:00
usb-omap.h mfd: omap-usb-host: override number of ports from platform data 2013-02-13 13:22:49 +02:00
usb-pxa3xx-ulpi.h ARM: pxa: move platform_data definitions 2012-09-14 11:18:10 +02:00
usb-s3c2410_udc.h ARM: samsung: move platform_data definitions 2012-09-19 17:42:18 +02:00
usb3503.h USB: misc: Add USB3503 High-Speed Hub Controller 2013-01-11 12:12:07 -08:00
ux500_wdt.h watchdog: Add support for ux500_wdt watchdog 2013-02-14 00:22:53 +01:00
video-ep93xx.h ARM: ep93xx: move platform_data definitions 2012-09-14 11:16:55 +02:00
video-imxfb.h ARM: imx: move platform_data definitions 2012-09-14 11:17:21 +02:00
video-msm_fb.h ARM: msm: move platform_data definitions 2012-09-14 11:17:35 +02:00
video-mx3fb.h ARM: imx: move platform_data definitions 2012-09-14 11:17:21 +02:00
video-nuc900fb.h ARM: w90x900: move platform_data definitions 2012-09-14 11:18:59 +02:00
video-pxafb.h ARM: pxa: move platform_data definitions 2012-09-14 11:18:10 +02:00
video-vt8500lcdfb.h ARM: vt8500: move platform_data definitions 2012-09-14 11:18:58 +02:00
voltage-omap.h ARM: omap: move platform_data definitions 2012-09-19 17:39:52 +02:00
wiznet.h
…