1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
4 *
5 * Authors: Shlomi Gridish <gridish@freescale.com>
6 * Li Yang <leoli@freescale.com>
7 *
8 * Description:
9 * Internal header file for UCC unit routines.
10 */
11#ifndef __UCC_H__
12#define __UCC_H__
13
14#include <soc/fsl/qe/immap_qe.h>
15#include <soc/fsl/qe/qe.h>
16
17#define STATISTICS
18
19#define UCC_MAX_NUM 8
20
21/* Slow or fast type for UCCs.
22*/
23enum ucc_speed_type {
24 UCC_SPEED_TYPE_FAST = UCC_GUEMR_MODE_FAST_RX | UCC_GUEMR_MODE_FAST_TX,
25 UCC_SPEED_TYPE_SLOW = UCC_GUEMR_MODE_SLOW_RX | UCC_GUEMR_MODE_SLOW_TX
26};
27
28/* ucc_set_type
29 * Sets UCC to slow or fast mode.
30 *
31 * ucc_num - (In) number of UCC (0-7).
32 * speed - (In) slow or fast mode for UCC.
33 */
34int ucc_set_type(unsigned int ucc_num, enum ucc_speed_type speed);
35
36int ucc_set_qe_mux_mii_mng(unsigned int ucc_num);
37
38int ucc_set_qe_mux_rxtx(unsigned int ucc_num, enum qe_clock clock,
39 enum comm_dir mode);
40int ucc_set_tdm_rxtx_clk(unsigned int tdm_num, enum qe_clock clock,
41 enum comm_dir mode);
42int ucc_set_tdm_rxtx_sync(unsigned int tdm_num, enum qe_clock clock,
43 enum comm_dir mode);
44
45int ucc_mux_set_grant_tsa_bkpt(unsigned int ucc_num, int set, u32 mask);
46
47/* QE MUX clock routing for UCC
48*/
49static inline int ucc_set_qe_mux_grant(unsigned int ucc_num, int set)
50{
51 return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_GRANT);
52}
53
54static inline int ucc_set_qe_mux_tsa(unsigned int ucc_num, int set)
55{
56 return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_TSA);
57}
58
59static inline int ucc_set_qe_mux_bkpt(unsigned int ucc_num, int set)
60{
61 return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_BKPT);
62}
63
64#endif /* __UCC_H__ */
65

source code of linux/include/soc/fsl/qe/ucc.h