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| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2013-06-04 05:11:58 (GMT) |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2013-06-11 08:32:23 (GMT) |
| commit | 46b9a092dacea4f30dbdfc58ca2c1ac4e97f6255 (patch) | |
| tree | 18e04c64e2358a7ec4534cb037b79cc388847609 /arch/arm/mach-shmobile | |
| parent | 2ad3c8eb17ac7aed7fad870ba85acd4639cc8cdf (diff) | |
| download | linux-46b9a092dacea4f30dbdfc58ca2c1ac4e97f6255.tar.xz | |
ARM: shmobile: r8a7778: add support I2C driver
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>
Diffstat (limited to 'arch/arm/mach-shmobile')
| -rw-r--r-- | arch/arm/mach-shmobile/include/mach/r8a7778.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/setup-r8a7778.c | 25 |
2 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/include/mach/r8a7778.h b/arch/arm/mach-shmobile/include/mach/r8a7778.h index b5173b3..9e5835b 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7778.h +++ b/arch/arm/mach-shmobile/include/mach/r8a7778.h @@ -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); diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c index ce44fbb..6625a38 100644 --- a/arch/arm/mach-shmobile/setup-r8a7778.c +++ b/arch/arm/mach-shmobile/setup-r8a7778.c @@ -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; |