/* SPDX-License-Identifier: GPL-2.0 */
#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_ */