G_I2C1
K_MGATE(G_I2C1, RCC_APB1ENSETR, 21, 0),
PCLK(I2C1, "i2c1", "pclk1", 0, G_I2C1),
KCLK(I2C1_K, "i2c1_k", i2c12_src, 0, G_I2C1, M_I2C12),