| From aed4a442a522663055f79fdfeafa43c2134de4d4 Mon Sep 17 00:00:00 2001 |
| From: Magnus Damm <damm@opensource.se> |
| Date: Tue, 1 Oct 2013 17:12:19 +0900 |
| Subject: 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> |
| (cherry picked from commit 1e4953d817712e52616d9a40460435eb8881d32d) |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| --- |
| arch/arm/mach-shmobile/setup-r8a7791.c | 27 +++++++++++++++++++++++++++ |
| 1 file changed, 27 insertions(+) |
| |
| 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) |
| -- |
| 1.8.5.rc3 |
| |