diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index 9f012551794d..19b03f62c3f4 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -370,6 +371,45 @@ void __init kirkwood_spi_init() } +/***************************************************************************** + * I2C + ****************************************************************************/ +static struct mv64xxx_i2c_pdata kirkwood_i2c_pdata = { + .freq_m = 8, /* assumes 166 MHz TCLK */ + .freq_n = 3, + .timeout = 1000, /* Default timeout of 1 second */ +}; + +static struct resource kirkwood_i2c_resources[] = { + { + .name = "i2c", + .start = I2C_PHYS_BASE, + .end = I2C_PHYS_BASE + 0x1f, + .flags = IORESOURCE_MEM, + }, { + .name = "i2c", + .start = IRQ_KIRKWOOD_TWSI, + .end = IRQ_KIRKWOOD_TWSI, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device kirkwood_i2c = { + .name = MV64XXX_I2C_CTLR_NAME, + .id = 0, + .num_resources = ARRAY_SIZE(kirkwood_i2c_resources), + .resource = kirkwood_i2c_resources, + .dev = { + .platform_data = &kirkwood_i2c_pdata, + }, +}; + +void __init kirkwood_i2c_init(void) +{ + platform_device_register(&kirkwood_i2c); +} + + /***************************************************************************** * UART0 ****************************************************************************/ diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h index 9e5282684d58..c66a25066cea 100644 --- a/arch/arm/mach-kirkwood/common.h +++ b/arch/arm/mach-kirkwood/common.h @@ -37,6 +37,7 @@ void kirkwood_pcie_init(void); void kirkwood_sata_init(struct mv_sata_platform_data *sata_data); void kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data); void kirkwood_spi_init(void); +void kirkwood_i2c_init(void); void kirkwood_uart0_init(void); void kirkwood_uart1_init(void); diff --git a/arch/arm/mach-kirkwood/include/mach/kirkwood.h b/arch/arm/mach-kirkwood/include/mach/kirkwood.h index d3db30fe763b..38c986853590 100644 --- a/arch/arm/mach-kirkwood/include/mach/kirkwood.h +++ b/arch/arm/mach-kirkwood/include/mach/kirkwood.h @@ -93,6 +93,7 @@ #define DEVICE_ID (DEV_BUS_VIRT_BASE | 0x0034) #define RTC_PHYS_BASE (DEV_BUS_PHYS_BASE | 0x0300) #define SPI_PHYS_BASE (DEV_BUS_PHYS_BASE | 0x0600) +#define I2C_PHYS_BASE (DEV_BUS_PHYS_BASE | 0x1000) #define UART0_PHYS_BASE (DEV_BUS_PHYS_BASE | 0x2000) #define UART0_VIRT_BASE (DEV_BUS_VIRT_BASE | 0x2000) #define UART1_PHYS_BASE (DEV_BUS_PHYS_BASE | 0x2100)