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ARM: shmobile: r8a7778: add support I2C driver

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Add a platform device for the r8a7778 I2C.

Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
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 2013-06-03 22:11:58 -07:00 committed by Simon Horman
parent 2ad3c8eb17
commit 46b9a092da
2 changed files with 27 additions and 0 deletions
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2
arch/arm/mach-shmobile/include/mach/r8a7778.h
View File

@ -24,6 +24,8 @@
extern void r8a7778_add_standard_devices(void);
extern void r8a7778_add_standard_devices_dt(void);
extern void r8a7778_add_ether_device(struct sh_eth_plat_data *pdata);
extern void r8a7778_add_i2c_device(int id);
extern void r8a7778_init_delay(void);
extern void r8a7778_init_irq(void);
extern void r8a7778_init_irq_dt(void);

25
arch/arm/mach-shmobile/setup-r8a7778.c
View File

@ -126,6 +126,31 @@ void __init r8a7778_sdhi_init(int id,
info, sizeof(*info));
}
/* I2C */
static struct resource i2c_resources[] __initdata = {
/* I2C0 */
DEFINE_RES_MEM(0xffc70000, 0x1000),
DEFINE_RES_IRQ(gic_iid(0x63)),
/* I2C1 */
DEFINE_RES_MEM(0xffc71000, 0x1000),
DEFINE_RES_IRQ(gic_iid(0x6e)),
/* I2C2 */
DEFINE_RES_MEM(0xffc72000, 0x1000),
DEFINE_RES_IRQ(gic_iid(0x6c)),
/* I2C3 */
DEFINE_RES_MEM(0xffc73000, 0x1000),
DEFINE_RES_IRQ(gic_iid(0x6d)),
};
void __init r8a7778_add_i2c_device(int id)
{
BUG_ON(id < 0 || id > 3);
platform_device_register_simple(
"i2c-rcar", id,
i2c_resources + (2 * id), 2);
}
void __init r8a7778_add_standard_devices(void)
{
int i;