1*4882a593Smuzhiyun* ARM AMBA Primecell PL011 & PL010 serial UART 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunRequired properties: 4*4882a593Smuzhiyun- compatible: must be "arm,primecell", "arm,pl011" or "arm,pl010" 5*4882a593Smuzhiyun- reg: exactly one register range with length 0x1000 6*4882a593Smuzhiyun- clock: input clock frequency for the UART (used to calculate the baud 7*4882a593Smuzhiyun rate divisor) 8*4882a593Smuzhiyun 9*4882a593SmuzhiyunOptional properties: 10*4882a593Smuzhiyun- skip-init: if present, the baud rate divisor is not changed 11