fsl/qe: add rx_sync and tx_sync for TDM mode

Rx_sync and tx_sync are used by QE-TDM mode,
add them to struct ucc_fast_info.

Signed-off-by: Zhao Qiang <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/soc/fsl/qe/qe.c

···
 	if (strcasecmp(source, "none") == 0)
 		return QE_CLK_NONE;
 
+	if (strcmp(source, "tsync_pin") == 0)
+		return QE_TSYNC_PIN;
+
+	if (strcmp(source, "rsync_pin") == 0)
+		return QE_RSYNC_PIN;
+
 	if (strncasecmp(source, "brg", 3) == 0) {
 		i = simple_strtoul(source + 3, NULL, 10);
 		if ((i >= 1) && (i <= 16))

include/soc/fsl/qe/qe.h

···
 	QE_CLK22,		/* Clock 22 */
 	QE_CLK23,		/* Clock 23 */
 	QE_CLK24,		/* Clock 24 */
+	QE_RSYNC_PIN,		/* RSYNC from pin */
+	QE_TSYNC_PIN,		/* TSYNC from pin */
 	QE_CLK_DUMMY
 };
 

include/soc/fsl/qe/ucc_fast.h

···
 	int ucc_num;
 	enum qe_clock rx_clock;
 	enum qe_clock tx_clock;
+	enum qe_clock rx_sync;
+	enum qe_clock tx_sync;
 	u32 regs;
 	int irq;
 	u32 uccm_mask;