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ARM: shmobile: r8a7791 IRQC platform device support

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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>
This commit is contained in:
Magnus Damm 2013-10-01 17:12:19 +09:00 committed by Simon Horman
parent 4275881fca
commit 454d320c80
1 changed files with 27 additions and 0 deletions
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27
arch/arm/mach-shmobile/setup-r8a7791.c
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@ -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)