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ARM: shmobile: r8a7778: add GPIO support

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This patch was tested on Bock-W board

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Kuninori Morimoto 2013-04-17 23:41:50 -07:00 committed by Simon Horman
parent 0290df2d24
commit 39ca228335
1 changed files with 35 additions and 1 deletions
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36
arch/arm/mach-shmobile/setup-r8a7778.c
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@ -24,6 +24,7 @@
#include <linux/irqchip/arm-gic.h> #include <linux/irqchip/arm-gic.h>
#include <linux/of.h> #include <linux/of.h>
#include <linux/of_platform.h> #include <linux/of_platform.h>
#include <linux/platform_data/gpio-rcar.h>
#include <linux/platform_data/irq-renesas-intc-irqpin.h> #include <linux/platform_data/irq-renesas-intc-irqpin.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/irqchip.h> #include <linux/irqchip.h>
@ -94,17 +95,50 @@ static struct resource ether_resources[] = {
&sh_tmu##idx##_platform_data, \ &sh_tmu##idx##_platform_data, \
sizeof(sh_tmu##idx##_platform_data)) sizeof(sh_tmu##idx##_platform_data))
/* PFC */ /* PFC/GPIO */
static struct resource pfc_resources[] = { static struct resource pfc_resources[] = {
DEFINE_RES_MEM(0xfffc0000, 0x118), DEFINE_RES_MEM(0xfffc0000, 0x118),
}; };
#define R8A7778_GPIO(idx) \
static struct resource r8a7778_gpio##idx##_resources[] = { \
DEFINE_RES_MEM(0xffc40000 + 0x1000 * (idx), 0x30), \
DEFINE_RES_IRQ(gic_iid(0x87)), \
}; \
\
static struct gpio_rcar_config r8a7778_gpio##idx##_platform_data = { \
.gpio_base = 32 * (idx), \
.irq_base = GPIO_IRQ_BASE(idx), \
.number_of_pins = 32, \
.pctl_name = "pfc-r8a7778", \
}
R8A7778_GPIO(0);
R8A7778_GPIO(1);
R8A7778_GPIO(2);
R8A7778_GPIO(3);
R8A7778_GPIO(4);
#define r8a7778_register_gpio(idx) \
platform_device_register_resndata( \
&platform_bus, "gpio_rcar", idx, \
r8a7778_gpio##idx##_resources, \
ARRAY_SIZE(r8a7778_gpio##idx##_resources), \
&r8a7778_gpio##idx##_platform_data, \
sizeof(r8a7778_gpio##idx##_platform_data))
void __init r8a7778_pinmux_init(void) void __init r8a7778_pinmux_init(void)
{ {
platform_device_register_simple( platform_device_register_simple(
"pfc-r8a7778", -1, "pfc-r8a7778", -1,
pfc_resources, pfc_resources,
ARRAY_SIZE(pfc_resources)); ARRAY_SIZE(pfc_resources));
r8a7778_register_gpio(0);
r8a7778_register_gpio(1);
r8a7778_register_gpio(2);
r8a7778_register_gpio(3);
r8a7778_register_gpio(4);
} }
void __init r8a7778_add_standard_devices(void) void __init r8a7778_add_standard_devices(void)