summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2013-04-17 23:41:50 -0700
committerSimon Horman <horms+renesas@verge.net.au>2013-06-05 17:17:12 +0900
commit39ca2283358852fa944f4abb8eb7ed8403b50420 (patch)
treeec8d2ef4ede35408a15c5942343c9ff35b2e4f5d
parent0290df2d249e62b0e44b7c41d5fdd2c59c412587 (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.c36
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)