diff options
| -rw-r--r-- | arch/arm/mach-u300/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-u300/core.c | 8 | ||||
| -rw-r--r-- | arch/arm/mach-u300/i2c.c | 43 | ||||
| -rw-r--r-- | arch/arm/mach-u300/i2c.h | 23 |
4 files changed, 73 insertions, 2 deletions
diff --git a/arch/arm/mach-u300/Makefile b/arch/arm/mach-u300/Makefile index 4941f89..885b5c0 100644 --- a/arch/arm/mach-u300/Makefile +++ b/arch/arm/mach-u300/Makefile @@ -11,3 +11,4 @@ obj-$(CONFIG_ARCH_U300) += u300.o obj-$(CONFIG_MMC) += mmc.o obj-$(CONFIG_SPI_PL022) += spi.o obj-$(CONFIG_MACH_U300_SPIDUMMY) += dummyspichip.o +obj-$(CONFIG_I2C_STU300) += i2c.o diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c index 38d08a1..bad1ba2 100644 --- a/arch/arm/mach-u300/core.c +++ b/arch/arm/mach-u300/core.c @@ -33,6 +33,7 @@ #include "clock.h" #include "mmc.h" #include "spi.h" +#include "i2c.h" /* * Static I/O mappings that are needed for booting the U300 platforms. The @@ -379,14 +380,14 @@ static struct platform_device wdog_device = { }; static struct platform_device i2c0_device = { - .name = "stddci2c", + .name = "stu300", .id = 0, .num_resources = ARRAY_SIZE(i2c0_resources), .resource = i2c0_resources, }; static struct platform_device i2c1_device = { - .name = "stddci2c", + .name = "stu300", .id = 1, .num_resources = ARRAY_SIZE(i2c1_resources), .resource = i2c1_resources, @@ -625,6 +626,9 @@ void __init u300_init_devices(void) u300_assign_physmem(); + /* Register subdevices on the I2C buses */ + u300_i2c_register_board_devices(); + /* Register subdevices on the SPI bus */ u300_spi_register_board_devices(); diff --git a/arch/arm/mach-u300/i2c.c b/arch/arm/mach-u300/i2c.c new file mode 100644 index 0000000..10be1f8 --- /dev/null +++ b/arch/arm/mach-u300/i2c.c @@ -0,0 +1,43 @@ +/* + * arch/arm/mach-u300/i2c.c + * + * Copyright (C) 2009 ST-Ericsson AB + * License terms: GNU General Public License (GPL) version 2 + * + * Register board i2c devices + * Author: Linus Walleij <linus.walleij@stericsson.com> + */ +#include <linux/kernel.h> +#include <linux/i2c.h> +#include <mach/irqs.h> + +static struct i2c_board_info __initdata bus0_i2c_board_info[] = { + { + .type = "ab3100", + .addr = 0x48, + .irq = IRQ_U300_IRQ0_EXT, + }, +}; + +static struct i2c_board_info __initdata bus1_i2c_board_info[] = { +#ifdef CONFIG_MACH_U300_BS335 + { + .type = "fwcam", + .addr = 0x10, + }, + { + .type = "fwcam", + .addr = 0x5d, + }, +#else + { }, +#endif +}; + +void __init u300_i2c_register_board_devices(void) +{ + i2c_register_board_info(0, bus0_i2c_board_info, + ARRAY_SIZE(bus0_i2c_board_info)); + i2c_register_board_info(1, bus1_i2c_board_info, + ARRAY_SIZE(bus1_i2c_board_info)); +} diff --git a/arch/arm/mach-u300/i2c.h b/arch/arm/mach-u300/i2c.h new file mode 100644 index 0000000..485c02e --- /dev/null +++ b/arch/arm/mach-u300/i2c.h @@ -0,0 +1,23 @@ +/* + * arch/arm/mach-u300/i2c.h + * + * Copyright (C) 2009 ST-Ericsson AB + * License terms: GNU General Public License (GPL) version 2 + * + * Register board i2c devices + * Author: Linus Walleij <linus.walleij@stericsson.com> + */ + +#ifndef MACH_U300_I2C_H +#define MACH_U300_I2C_H + +#ifdef CONFIG_I2C_STU300 +void __init u300_i2c_register_board_devices(void); +#else +/* Compile out this stuff if no I2C adapter is available */ +static inline void __init u300_i2c_register_board_devices(void) +{ +} +#endif + +#endif |