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ARM: shmobile: r8a7791 GPIO platform device support

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Add GPIO controller platform devices for the r8a7791 SoC.

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 2013-10-08 12:39:39 +09:00 committed by Simon Horman
parent cc3a17d799
commit 93ff916305
1 changed files with 40 additions and 0 deletions
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40
arch/arm/mach-shmobile/setup-r8a7791.c
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@ -22,6 +22,7 @@
#include <linux/irq.h> #include <linux/irq.h>
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/of_platform.h> #include <linux/of_platform.h>
#include <linux/platform_data/gpio-rcar.h>
#include <linux/platform_data/irq-renesas-irqc.h> #include <linux/platform_data/irq-renesas-irqc.h>
#include <linux/serial_sci.h> #include <linux/serial_sci.h>
#include <linux/sh_timer.h> #include <linux/sh_timer.h>
@ -39,9 +40,48 @@ static const struct resource pfc_resources[] __initconst = {
platform_device_register_simple("pfc-r8a7791", -1, pfc_resources, \ platform_device_register_simple("pfc-r8a7791", -1, pfc_resources, \
ARRAY_SIZE(pfc_resources)) ARRAY_SIZE(pfc_resources))
#define R8A7791_GPIO(idx, base, nr) \
static const struct resource r8a7791_gpio##idx##_resources[] __initconst = { \
DEFINE_RES_MEM((base), 0x50), \
DEFINE_RES_IRQ(gic_spi(4 + (idx))), \
}; \
\
static const struct gpio_rcar_config \
r8a7791_gpio##idx##_platform_data __initconst = { \
.gpio_base = 32 * (idx), \
.irq_base = 0, \
.number_of_pins = (nr), \
.pctl_name = "pfc-r8a7791", \
.has_both_edge_trigger = 1, \
}; \
R8A7791_GPIO(0, 0xe6050000, 32);
R8A7791_GPIO(1, 0xe6051000, 32);
R8A7791_GPIO(2, 0xe6052000, 32);
R8A7791_GPIO(3, 0xe6053000, 32);
R8A7791_GPIO(4, 0xe6054000, 32);
R8A7791_GPIO(5, 0xe6055000, 32);
R8A7791_GPIO(6, 0xe6055400, 32);
R8A7791_GPIO(7, 0xe6055800, 26);
#define r8a7791_register_gpio(idx) \
platform_device_register_resndata(&platform_bus, "gpio_rcar", idx, \
r8a7791_gpio##idx##_resources, \
ARRAY_SIZE(r8a7791_gpio##idx##_resources), \
&r8a7791_gpio##idx##_platform_data, \
sizeof(r8a7791_gpio##idx##_platform_data))
void __init r8a7791_pinmux_init(void) void __init r8a7791_pinmux_init(void)
{ {
r8a7791_register_pfc(); r8a7791_register_pfc();
r8a7791_register_gpio(0);
r8a7791_register_gpio(1);
r8a7791_register_gpio(2);
r8a7791_register_gpio(3);
r8a7791_register_gpio(4);
r8a7791_register_gpio(5);
r8a7791_register_gpio(6);
r8a7791_register_gpio(7);
} }
#define SCIF_COMMON(scif_type, baseaddr, irq) \ #define SCIF_COMMON(scif_type, baseaddr, irq) \