/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Definitions for Freescale Coldfire QSPI module
*
* Copyright 2010 Steven King < sfking @ fdwdc . com >
*/
#ifndef mcfqspi_h
#define mcfqspi_h
/**
* struct mcfqspi_cs_control - chip select control for the coldfire qspi driver
* @ setup : setup the control ; allocate gpio ' s , etc . May be NULL .
* @ teardown : finish with the control ; free gpio ' s , etc . May be NULL .
* @ select : output the signals to select the device . Can not be NULL .
* @ deselect : output the signals to deselect the device . Can not be NULL .
*
* The QSPI module has 4 hardware chip selects . We don ' t use them . Instead
* platforms are required to supply a mcfqspi_cs_control as a part of the
* platform data for each QSPI master controller . Only the select and
* deselect functions are required .
*/
struct mcfqspi_cs_control {
int (*setup)(struct mcfqspi_cs_control *);
void (*teardown)(struct mcfqspi_cs_control *);
void (*select)(struct mcfqspi_cs_control *, u8, bool );
void (*deselect)(struct mcfqspi_cs_control *, u8, bool );
};
/**
* struct mcfqspi_platform_data - platform data for the coldfire qspi driver
* @ bus_num : board specific identifier for this qspi driver .
* @ num_chipselects : number of chip selects supported by this qspi driver .
* @ cs_control : platform dependent chip select control .
*/
struct mcfqspi_platform_data {
s16 bus_num;
u16 num_chipselect;
struct mcfqspi_cs_control *cs_control;
};
#endif /* mcfqspi_h */
Messung V0.5 in Prozent C=89 H=100 G=94
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-09-28)
¤
*© Formatika GbR, Deutschland