RK_PC6
{ 4, RK_PC6, 1, ROUTE_GRF, 0x0308, ROUTE_VAL(8, 1) }, /* PWM13 M1 */
{ 3, RK_PC6, 4, ROUTE_GRF, 0x0310, ROUTE_VAL(10, 1) }, /* I2S1 M1 */