1 /* SPDX-License-Identifier: GPL-2.0-only */ 1
2 /*
3 * Definitions for Freescale Coldfire QSPI mod
4 *
5 * Copyright 2010 Steven King <sfking@fdwdc.co
6 */
7
8 #ifndef mcfqspi_h
9 #define mcfqspi_h
10
11 /**
12 * struct mcfqspi_cs_control - chip select con
13 * @setup: setup the control; allocate gpio's,
14 * @teardown: finish with the control; free gp
15 * @select: output the signals to select the d
16 * @deselect: output the signals to deselect t
17 *
18 * The QSPI module has 4 hardware chip selects
19 * platforms are required to supply a mcfqspi_
20 * platform data for each QSPI master controll
21 * deselect functions are required.
22 */
23 struct mcfqspi_cs_control {
24 int (*setup)(struct mcfqspi_cs_con
25 void (*teardown)(struct mcfqspi_cs_
26 void (*select)(struct mcfqspi_cs_co
27 void (*deselect)(struct mcfqspi_cs_
28 };
29
30 /**
31 * struct mcfqspi_platform_data - platform dat
32 * @bus_num: board specific identifier for thi
33 * @num_chipselects: number of chip selects su
34 * @cs_control: platform dependent chip select
35 */
36 struct mcfqspi_platform_data {
37 s16 bus_num;
38 u16 num_chipselect;
39 struct mcfqspi_cs_control *cs_control;
40 };
41
42 #endif /* mcfqspi_h */
43
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