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Commit 46b9a092 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Simon Horman
Browse files

ARM: shmobile: r8a7778: add support I2C driver 



Add a platform device for the r8a7778 I2C.

Signed-off-by: default avatarYusuke Goda <yusuke.goda.sx@renesas.com>
Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 2ad3c8eb

arch/arm/mach-shmobile/include/mach/r8a7778.h

+2 −0
Original line number Diff line number Diff line
@@ -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);

arch/arm/mach-shmobile/setup-r8a7778.c

+25 −0
Original line number Diff line number Diff line
@@ -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;