st-pincfg.h
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#ifndef _ST_PINCFG_H_
#define _ST_PINCFG_H_
/* Alternate functions */
#define ALT1 1
#define ALT2 2
#define ALT3 3
#define ALT4 4
#define ALT5 5
#define ALT6 6
#define ALT7 7
/* Output enable */
#define OE (1 << 27)
/* Pull Up */
#define PU (1 << 26)
/* Open Drain */
#define OD (1 << 25)
#define RT (1 << 23)
#define INVERTCLK (1 << 22)
#define CLKNOTDATA (1 << 21)
#define DOUBLE_EDGE (1 << 20)
#define CLK_A (0 << 18)
#define CLK_B (1 << 18)
#define CLK_C (2 << 18)
#define CLK_D (3 << 18)
/* User-frendly defines for Pin Direction */
/* oe = 0, pu = 0, od = 0 */
#define IN (0)
/* oe = 0, pu = 1, od = 0 */
#define IN_PU (PU)
/* oe = 1, pu = 0, od = 0 */
#define OUT (OE)
/* oe = 1, pu = 0, od = 1 */
#define BIDIR (OE | OD)
/* oe = 1, pu = 1, od = 1 */
#define BIDIR_PU (OE | PU | OD)
/* RETIME_TYPE */
/*
* B Mode
* Bypass retime with optional delay parameter
*/
#define BYPASS (0)
/*
* R0, R1, R0D, R1D modes
* single-edge data non inverted clock, retime data with clk
*/
#define SE_NICLK_IO (RT)
/*
* RIV0, RIV1, RIV0D, RIV1D modes
* single-edge data inverted clock, retime data with clk
*/
#define SE_ICLK_IO (RT | INVERTCLK)
/*
* R0E, R1E, R0ED, R1ED modes
* double-edge data, retime data with clk
*/
#define DE_IO (RT | DOUBLE_EDGE)
/*
* CIV0, CIV1 modes with inverted clock
* Retiming the clk pins will park clock & reduce the noise within the core.
*/
#define ICLK (RT | CLKNOTDATA | INVERTCLK)
/*
* CLK0, CLK1 modes with non-inverted clock
* Retiming the clk pins will park clock & reduce the noise within the core.
*/
#define NICLK (RT | CLKNOTDATA)
#endif /* _ST_PINCFG_H_ */