1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Definitions for Freescale Coldfire QSPI module
 4 *
 5 * Copyright 2010 Steven King <sfking@fdwdc.com>
 6*/
 7
 8#ifndef mcfqspi_h
 9#define mcfqspi_h
10
11/**
12 * struct mcfqspi_cs_control - chip select control for the coldfire qspi driver
13 * @setup: setup the control; allocate gpio's, etc. May be NULL.
14 * @teardown: finish with the control; free gpio's, etc. May be NULL.
15 * @select: output the signals to select the device.  Can not be NULL.
16 * @deselect: output the signals to deselect the device. Can not be NULL.
17 *
18 * The QSPI module has 4 hardware chip selects.  We don't use them.  Instead
19 * platforms are required to supply a mcfqspi_cs_control as a part of the
20 * platform data for each QSPI master controller.  Only the select and
21 * deselect functions are required.
22*/
23struct mcfqspi_cs_control {
24	int 	(*setup)(struct mcfqspi_cs_control *);
25	void	(*teardown)(struct mcfqspi_cs_control *);
26	void	(*select)(struct mcfqspi_cs_control *, u8, bool);
27	void	(*deselect)(struct mcfqspi_cs_control *, u8, bool);
28};
29
30/**
31 * struct mcfqspi_platform_data - platform data for the coldfire qspi driver
32 * @bus_num: board specific identifier for this qspi driver.
33 * @num_chipselects: number of chip selects supported by this qspi driver.
34 * @cs_control: platform dependent chip select control.
35*/
36struct mcfqspi_platform_data {
37	s16	bus_num;
38	u16	num_chipselect;
39	struct mcfqspi_cs_control *cs_control;
40};
41
42#endif /* mcfqspi_h */

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Definitions for Freescale Coldfire QSPI module
 4 *
 5 * Copyright 2010 Steven King <sfking@fdwdc.com>
 6*/
 7
 8#ifndef mcfqspi_h
 9#define mcfqspi_h
10
11/**
12 * struct mcfqspi_cs_control - chip select control for the coldfire qspi driver
13 * @setup: setup the control; allocate gpio's, etc. May be NULL.
14 * @teardown: finish with the control; free gpio's, etc. May be NULL.
15 * @select: output the signals to select the device.  Can not be NULL.
16 * @deselect: output the signals to deselect the device. Can not be NULL.
17 *
18 * The QSPI module has 4 hardware chip selects.  We don't use them.  Instead
19 * platforms are required to supply a mcfqspi_cs_control as a part of the
20 * platform data for each QSPI master controller.  Only the select and
21 * deselect functions are required.
22*/
23struct mcfqspi_cs_control {
24	int 	(*setup)(struct mcfqspi_cs_control *);
25	void	(*teardown)(struct mcfqspi_cs_control *);
26	void	(*select)(struct mcfqspi_cs_control *, u8, bool);
27	void	(*deselect)(struct mcfqspi_cs_control *, u8, bool);
28};
29
30/**
31 * struct mcfqspi_platform_data - platform data for the coldfire qspi driver
32 * @bus_num: board specific identifier for this qspi driver.
33 * @num_chipselects: number of chip selects supported by this qspi driver.
34 * @cs_control: platform dependent chip select control.
35*/
36struct mcfqspi_platform_data {
37	s16	bus_num;
38	u16	num_chipselect;
39	struct mcfqspi_cs_control *cs_control;
40};
41
42#endif /* mcfqspi_h */