From 6b65cd742823f78a6538491982159098ab5fcae1 Mon Sep 17 00:00:00 2001 From: Russell King Date: Sun, 10 Dec 2006 21:21:32 +0100 Subject: i2c: New ARM Versatile/Realview bus driver Add support for the I2C bus found on the ARM Versatile and Realview platforms. The I2C bus has a RTC and optionally some EEPROMs attached. Signed-off-by: Russell King Signed-off-by: Jean Delvare --- arch/arm/mach-realview/core.c | 13 +++++++++++++ arch/arm/mach-realview/core.h | 1 + arch/arm/mach-realview/realview_eb.c | 1 + arch/arm/mach-versatile/core.c | 14 ++++++++++++++ 4 files changed, 29 insertions(+) (limited to 'arch/arm') diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index 68c67053f47..84d3fe76e94 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -141,6 +141,19 @@ struct platform_device realview_smc91x_device = { .resource = realview_smc91x_resources, }; +static struct resource realview_i2c_resource = { + .start = REALVIEW_I2C_BASE, + .end = REALVIEW_I2C_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, +}; + +struct platform_device realview_i2c_device = { + .name = "versatile-i2c", + .id = -1, + .num_resources = 1, + .resource = &realview_i2c_resource, +}; + #define REALVIEW_SYSMCI (__io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_MCI_OFFSET) static unsigned int realview_mmc_status(struct device *dev) diff --git a/arch/arm/mach-realview/core.h b/arch/arm/mach-realview/core.h index 93e86d9f439..2b53420f9c1 100644 --- a/arch/arm/mach-realview/core.h +++ b/arch/arm/mach-realview/core.h @@ -108,6 +108,7 @@ static struct amba_device name##_device = { \ extern struct platform_device realview_flash_device; extern struct platform_device realview_smc91x_device; +extern struct platform_device realview_i2c_device; extern struct mmc_platform_data realview_mmc0_plat_data; extern struct mmc_platform_data realview_mmc1_plat_data; extern struct clk realview_clcd_clk; diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c index 84a959530fb..9741b4d3c9c 100644 --- a/arch/arm/mach-realview/realview_eb.c +++ b/arch/arm/mach-realview/realview_eb.c @@ -155,6 +155,7 @@ static void __init realview_eb_init(void) platform_device_register(&realview_flash_device); platform_device_register(&realview_smc91x_device); + platform_device_register(&realview_i2c_device); for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { struct amba_device *d = amba_devs[i]; diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index 57196947559..bf71507c76f 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -325,6 +325,19 @@ static struct platform_device smc91x_device = { .resource = smc91x_resources, }; +static struct resource versatile_i2c_resource = { + .start = VERSATILE_I2C_BASE, + .end = VERSATILE_I2C_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device versatile_i2c_device = { + .name = "versatile-i2c", + .id = -1, + .num_resources = 1, + .resource = &versatile_i2c_resource, +}; + #define VERSATILE_SYSMCI (__io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_MCI_OFFSET) unsigned int mmc_status(struct device *dev) @@ -775,6 +788,7 @@ void __init versatile_init(void) clk_register(&versatile_clcd_clk); platform_device_register(&versatile_flash_device); + platform_device_register(&versatile_i2c_device); platform_device_register(&smc91x_device); for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { -- cgit v1.2.3-70-g09d2