diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2013-04-17 23:41:50 -0700 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2013-06-05 17:17:12 +0900 |
| commit | 39ca2283358852fa944f4abb8eb7ed8403b50420 (patch) | |
| tree | ec8d2ef4ede35408a15c5942343c9ff35b2e4f5d | |
| parent | 0290df2d249e62b0e44b7c41d5fdd2c59c412587 (diff) | |
ARM: shmobile: r8a7778: add GPIO support
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>
| -rw-r--r-- | arch/arm/mach-shmobile/setup-r8a7778.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c index 0ca5701064d..1f36ecc322a 100644 --- a/arch/arm/mach-shmobile/setup-r8a7778.c +++ b/arch/arm/mach-shmobile/setup-r8a7778.c @@ -24,6 +24,7 @@ #include <linux/irqchip/arm-gic.h> #include <linux/of.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_device.h> #include <linux/irqchip.h> @@ -94,17 +95,50 @@ static struct resource ether_resources[] = { &sh_tmu##idx##_platform_data, \ sizeof(sh_tmu##idx##_platform_data)) -/* PFC */ +/* PFC/GPIO */ static struct resource pfc_resources[] = { 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) { platform_device_register_simple( "pfc-r8a7778", -1, 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) |