diff options
Diffstat (limited to 'arch/arm/cpu/armv7/vf610/generic.c')
| -rw-r--r-- | arch/arm/cpu/armv7/vf610/generic.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/vf610/generic.c b/arch/arm/cpu/armv7/vf610/generic.c index cbd3391..e0c0b1b 100644 --- a/arch/arm/cpu/armv7/vf610/generic.c +++ b/arch/arm/cpu/armv7/vf610/generic.c @@ -375,3 +375,25 @@ void enable_caches(void) mmu_set_region_dcache_behaviour(IRAM_BASE_ADDR, IRAM_SIZE, option); } #endif + +#ifdef CONFIG_SYS_I2C_MXC +/* i2c_num can be from 0 - 3 */ +int enable_i2c_clk(unsigned char enable, unsigned int i2c_num) +{ + struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR; + + switch (i2c_num) { + case 0: + clrsetbits_le32(&ccm->ccgr4, CCM_CCGR4_I2C0_CTRL_MASK, + CCM_CCGR4_I2C0_CTRL_MASK); + case 2: + clrsetbits_le32(&ccm->ccgr10, CCM_CCGR10_I2C2_CTRL_MASK, + CCM_CCGR10_I2C2_CTRL_MASK); + break; + default: + return -EINVAL; + } + + return 0; +} +#endif |