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[ARM] 5395/1: RealView: Add support for the DS1338 RTC chip 

This chip is on the I2C bus on the RealView and Versatile boards. The
patch adds the i2c_board_info definition for this device and registers
it with the I2C subsystem.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Catalin Marinas 2009-02-12 15:58:20 +01:00 committed by Russell King
parent 2514cca06b
commit 533ad5e60c
3 changed files with 31 additions and 2 deletions
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16
arch/arm/mach-realview/core.c
View File

@ -158,11 +158,25 @@ static struct resource realview_i2c_resource = {
struct platform_device realview_i2c_device = {
.name = "versatile-i2c",
.id = -1,
.id = 0,
.num_resources = 1,
.resource = &realview_i2c_resource,
};
static struct i2c_board_info realview_i2c_board_info[] = {
{
I2C_BOARD_INFO("rtc-ds1307", 0xd0 >> 1),
.type = "ds1338",
},
};
static int __init realview_i2c_init(void)
{
return i2c_register_board_info(0, realview_i2c_board_info,
ARRAY_SIZE(realview_i2c_board_info));
}
arch_initcall(realview_i2c_init);
#define REALVIEW_SYSMCI (__io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_MCI_OFFSET)
static unsigned int realview_mmc_status(struct device *dev)

1
arch/arm/mach-realview/realview_pb1176.c
View File

@ -260,6 +260,7 @@ static void __init realview_pb1176_init(void)
realview_flash_register(&realview_pb1176_flash_resource, 1);
realview_eth_register(NULL, realview_pb1176_smsc911x_resources);
platform_device_register(&realview_i2c_device);
for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
struct amba_device *d = amba_devs[i];

16
arch/arm/mach-versatile/core.c
View File

@ -335,11 +335,25 @@ static struct resource versatile_i2c_resource = {
static struct platform_device versatile_i2c_device = {
.name = "versatile-i2c",
.id = -1,
.id = 0,
.num_resources = 1,
.resource = &versatile_i2c_resource,
};
static struct i2c_board_info versatile_i2c_board_info[] = {
{
I2C_BOARD_INFO("rtc-ds1307", 0xd0 >> 1),
.type = "ds1338",
},
};
static int __init versatile_i2c_init(void)
{
return i2c_register_board_info(0, versatile_i2c_board_info,
ARRAY_SIZE(versatile_i2c_board_info));
}
arch_initcall(versatile_i2c_init);
#define VERSATILE_SYSMCI (__io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_MCI_OFFSET)
unsigned int mmc_status(struct device *dev)