diff options
| author | Magnus Damm <damm@opensource.se> | 2013-10-01 17:12:19 +0900 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2013-10-08 09:52:59 +0900 |
| commit | 454d320c80fa07c30267711fea08da0d24f28224 (patch) | |
| tree | 613b6ea13b321b9e73b61bf325670e981dd9a49c /arch | |
| parent | 4275881fcacae2b1662d64e7989959ef3c33cf52 (diff) | |
| download | linux-454d320c80fa07c30267711fea08da0d24f28224.tar.bz2 | |
ARM: shmobile: r8a7791 IRQC platform device support
Add a platform device for the r8a7791 IRQC hardware
driving IRQ pins IRQ0 to IRQ9. The Linux interrupt
number is statically assigned to allow board code
written in C to make use of static interrupt numbers.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-shmobile/setup-r8a7791.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/setup-r8a7791.c b/arch/arm/mach-shmobile/setup-r8a7791.c index 350dfc4918e3..ba4fa3edf44f 100644 --- a/arch/arm/mach-shmobile/setup-r8a7791.c +++ b/arch/arm/mach-shmobile/setup-r8a7791.c @@ -22,6 +22,7 @@ #include <linux/irq.h> #include <linux/kernel.h> #include <linux/of_platform.h> +#include <linux/platform_data/irq-renesas-irqc.h> #include <linux/serial_sci.h> #include <linux/sh_timer.h> #include <mach/common.h> @@ -109,6 +110,31 @@ static const struct resource cmt00_resources[] __initconst = { &cmt##idx##_platform_data, \ sizeof(struct sh_timer_config)) +static struct renesas_irqc_config irqc0_data = { + .irq_base = irq_pin(0), /* IRQ0 -> IRQ9 */ +}; + +static struct resource irqc0_resources[] = { + DEFINE_RES_MEM(0xe61c0000, 0x200), /* IRQC Event Detector Block_0 */ + DEFINE_RES_IRQ(gic_spi(0)), /* IRQ0 */ + DEFINE_RES_IRQ(gic_spi(1)), /* IRQ1 */ + DEFINE_RES_IRQ(gic_spi(2)), /* IRQ2 */ + DEFINE_RES_IRQ(gic_spi(3)), /* IRQ3 */ + DEFINE_RES_IRQ(gic_spi(12)), /* IRQ4 */ + DEFINE_RES_IRQ(gic_spi(13)), /* IRQ5 */ + DEFINE_RES_IRQ(gic_spi(14)), /* IRQ6 */ + DEFINE_RES_IRQ(gic_spi(15)), /* IRQ7 */ + DEFINE_RES_IRQ(gic_spi(16)), /* IRQ8 */ + DEFINE_RES_IRQ(gic_spi(17)), /* IRQ9 */ +}; + +#define r8a7791_register_irqc(idx) \ + platform_device_register_resndata(&platform_bus, "renesas_irqc", \ + idx, irqc##idx##_resources, \ + ARRAY_SIZE(irqc##idx##_resources), \ + &irqc##idx##_data, \ + sizeof(struct renesas_irqc_config)) + void __init r8a7791_add_dt_devices(void) { r8a7791_register_scif(SCIFA0); @@ -132,6 +158,7 @@ void __init r8a7791_add_dt_devices(void) void __init r8a7791_add_standard_devices(void) { r8a7791_add_dt_devices(); + r8a7791_register_irqc(0); } void __init r8a7791_init_early(void) |