mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-23 19:43:33 +00:00
62d620c243
Device tree and binding alignment with kernel v5.4-rc4 Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
/* 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_ */
|