Kalle Jokiniemi | 20c9d2c | 2010-05-11 11:35:08 -0700 | [diff] [blame] | 1 | #ifndef __I2C_OMAP_H__ |
| 2 | #define __I2C_OMAP_H__ |
| 3 | |
Paul Walmsley | 4d17aeb | 2010-09-21 19:37:15 +0530 | [diff] [blame] | 4 | #include <linux/platform_device.h> |
| 5 | |
Andy Green | d72fe78 | 2011-07-10 05:27:14 -0600 | [diff] [blame] | 6 | /* |
| 7 | * Version 2 of the I2C peripheral unit has a different register |
| 8 | * layout and extra registers. The ID register in the V2 peripheral |
| 9 | * unit on the OMAP4430 reports the same ID as the V1 peripheral |
| 10 | * unit on the OMAP3530, so we must inform the driver which IP |
| 11 | * version we know it is running on from platform / cpu-specific |
| 12 | * code using these constants in the hwmod class definition. |
| 13 | */ |
| 14 | |
| 15 | #define OMAP_I2C_IP_VERSION_1 1 |
| 16 | #define OMAP_I2C_IP_VERSION_2 2 |
| 17 | |
Andy Green | 5a9aaf0 | 2011-07-10 05:27:15 -0600 | [diff] [blame] | 18 | /* struct omap_i2c_bus_platform_data .flags meanings */ |
| 19 | |
| 20 | #define OMAP_I2C_FLAG_NO_FIFO BIT(0) |
| 21 | #define OMAP_I2C_FLAG_SIMPLE_CLOCK BIT(1) |
| 22 | #define OMAP_I2C_FLAG_16BIT_DATA_REG BIT(2) |
| 23 | #define OMAP_I2C_FLAG_RESET_REGS_POSTIDLE BIT(3) |
| 24 | #define OMAP_I2C_FLAG_APPLY_ERRATA_I207 BIT(4) |
| 25 | #define OMAP_I2C_FLAG_ALWAYS_ARMXOR_CLK BIT(5) |
| 26 | #define OMAP_I2C_FLAG_FORCE_19200_INT_CLK BIT(6) |
| 27 | /* how the CPU address bus must be translated for I2C unit access */ |
| 28 | #define OMAP_I2C_FLAG_BUS_SHIFT_NONE 0 |
| 29 | #define OMAP_I2C_FLAG_BUS_SHIFT_1 BIT(7) |
| 30 | #define OMAP_I2C_FLAG_BUS_SHIFT_2 BIT(8) |
| 31 | #define OMAP_I2C_FLAG_BUS_SHIFT__SHIFT 7 |
| 32 | |
Kalle Jokiniemi | 20c9d2c | 2010-05-11 11:35:08 -0700 | [diff] [blame] | 33 | struct omap_i2c_bus_platform_data { |
| 34 | u32 clkrate; |
Andy Green | 5c825ee | 2011-05-30 07:43:05 -0700 | [diff] [blame] | 35 | u32 rev; |
Andy Green | c23600a | 2011-05-30 07:43:08 -0700 | [diff] [blame] | 36 | u32 flags; |
Kalle Jokiniemi | 20c9d2c | 2010-05-11 11:35:08 -0700 | [diff] [blame] | 37 | void (*set_mpu_wkup_lat)(struct device *dev, long set); |
Kalle Jokiniemi | 20c9d2c | 2010-05-11 11:35:08 -0700 | [diff] [blame] | 38 | }; |
| 39 | |
| 40 | #endif |