diff options
| -rw-r--r-- | arch/arm/mach-mv78xx0/common.c | 76 | ||||
| -rw-r--r-- | arch/arm/mach-mv78xx0/common.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mv78xx0/db78x00-bp-setup.c | 8 | ||||
| -rw-r--r-- | arch/arm/mach-mv78xx0/include/mach/mv78xx0.h | 2 |
4 files changed, 87 insertions, 0 deletions
diff --git a/arch/arm/mach-mv78xx0/common.c b/arch/arm/mach-mv78xx0/common.c index 15f9913f4a9..a575daaa62d 100644 --- a/arch/arm/mach-mv78xx0/common.c +++ b/arch/arm/mach-mv78xx0/common.c @@ -14,6 +14,7 @@ #include <linux/serial_8250.h> #include <linux/mbus.h> #include <linux/mv643xx_eth.h> +#include <linux/mv643xx_i2c.h> #include <linux/ata_platform.h> #include <linux/ethtool.h> #include <asm/mach/map.h> @@ -518,6 +519,81 @@ void __init mv78xx0_ge11_init(struct mv643xx_eth_platform_data *eth_data) platform_device_register(&mv78xx0_ge11); } +/***************************************************************************** + * I2C bus 0 + ****************************************************************************/ + +static struct mv64xxx_i2c_pdata mv78xx0_i2c_0_pdata = { + .freq_m = 8, /* assumes 166 MHz TCLK */ + .freq_n = 3, + .timeout = 1000, /* Default timeout of 1 second */ +}; + +static struct resource mv78xx0_i2c_0_resources[] = { + { + .name = "i2c 0 base", + .start = I2C_0_PHYS_BASE, + .end = I2C_0_PHYS_BASE + 0x1f, + .flags = IORESOURCE_MEM, + }, { + .name = "i2c 0 irq", + .start = IRQ_MV78XX0_I2C_0, + .end = IRQ_MV78XX0_I2C_0, + .flags = IORESOURCE_IRQ, + }, +}; + + +static struct platform_device mv78xx0_i2c_0 = { + .name = MV64XXX_I2C_CTLR_NAME, + .id = 0, + .num_resources = ARRAY_SIZE(mv78xx0_i2c_0_resources), + .resource = mv78xx0_i2c_0_resources, + .dev = { + .platform_data = &mv78xx0_i2c_0_pdata, + }, +}; + +/***************************************************************************** + * I2C bus 1 + ****************************************************************************/ + +static struct mv64xxx_i2c_pdata mv78xx0_i2c_1_pdata = { + .freq_m = 8, /* assumes 166 MHz TCLK */ + .freq_n = 3, + .timeout = 1000, /* Default timeout of 1 second */ +}; + +static struct resource mv78xx0_i2c_1_resources[] = { + { + .name = "i2c 1 base", + .start = I2C_1_PHYS_BASE, + .end = I2C_1_PHYS_BASE + 0x1f, + .flags = IORESOURCE_MEM, + }, { + .name = "i2c 1 irq", + .start = IRQ_MV78XX0_I2C_1, + .end = IRQ_MV78XX0_I2C_1, + .flags = IORESOURCE_IRQ, + }, +}; + + +static struct platform_device mv78xx0_i2c_1 = { + .name = MV64XXX_I2C_CTLR_NAME, + .id = 1, + .num_resources = ARRAY_SIZE(mv78xx0_i2c_1_resources), + .resource = mv78xx0_i2c_1_resources, + .dev = { + .platform_data = &mv78xx0_i2c_1_pdata, + }, +}; + +void __init mv78xx0_i2c_init(void) +{ + platform_device_register(&mv78xx0_i2c_0); + platform_device_register(&mv78xx0_i2c_1); +} /***************************************************************************** * SATA diff --git a/arch/arm/mach-mv78xx0/common.h b/arch/arm/mach-mv78xx0/common.h index f6274db6192..befc2247546 100644 --- a/arch/arm/mach-mv78xx0/common.h +++ b/arch/arm/mach-mv78xx0/common.h @@ -44,6 +44,7 @@ void mv78xx0_uart0_init(void); void mv78xx0_uart1_init(void); void mv78xx0_uart2_init(void); void mv78xx0_uart3_init(void); +void mv78xx0_i2c_init(void); extern struct sys_timer mv78xx0_timer; diff --git a/arch/arm/mach-mv78xx0/db78x00-bp-setup.c b/arch/arm/mach-mv78xx0/db78x00-bp-setup.c index be0a59a6139..efdabe04c69 100644 --- a/arch/arm/mach-mv78xx0/db78x00-bp-setup.c +++ b/arch/arm/mach-mv78xx0/db78x00-bp-setup.c @@ -14,6 +14,7 @@ #include <linux/ata_platform.h> #include <linux/mv643xx_eth.h> #include <linux/ethtool.h> +#include <linux/i2c.h> #include <mach/mv78xx0.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -39,6 +40,11 @@ static struct mv_sata_platform_data db78x00_sata_data = { .n_ports = 2, }; +static struct i2c_board_info __initdata db78x00_i2c_rtc = { + I2C_BOARD_INFO("ds1338", 0x68), +}; + + static void __init db78x00_init(void) { /* @@ -60,6 +66,8 @@ static void __init db78x00_init(void) mv78xx0_sata_init(&db78x00_sata_data); mv78xx0_uart0_init(); mv78xx0_uart2_init(); + mv78xx0_i2c_init(); + i2c_register_board_info(0, &db78x00_i2c_rtc, 1); } else { mv78xx0_uart1_init(); mv78xx0_uart3_init(); diff --git a/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h b/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h index 328a02e029a..582cffc733a 100644 --- a/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h +++ b/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h @@ -102,6 +102,8 @@ #define DEV_BUS_VIRT_BASE (MV78XX0_REGS_VIRT_BASE | 0x10000) #define SAMPLE_AT_RESET_LOW (DEV_BUS_VIRT_BASE | 0x0030) #define SAMPLE_AT_RESET_HIGH (DEV_BUS_VIRT_BASE | 0x0034) +#define I2C_0_PHYS_BASE (DEV_BUS_PHYS_BASE | 0x1000) +#define I2C_1_PHYS_BASE (DEV_BUS_PHYS_BASE | 0x1100) #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) |