Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *  Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *  Support functions for calculating clocks/divisors for the ICST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *  clock generators.  See https://www.idt.com/ for more information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *  on these devices.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #ifndef ICST_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define ICST_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) struct icst_params {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	unsigned long	ref;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	unsigned long	vco_max;	/* inclusive */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	unsigned long	vco_min;	/* exclusive */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	unsigned short	vd_min;		/* inclusive */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	unsigned short	vd_max;		/* inclusive */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	unsigned char	rd_min;		/* inclusive */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	unsigned char	rd_max;		/* inclusive */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	const unsigned char *s2div;	/* chip specific s2div array */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	const unsigned char *idx2s;	/* chip specific idx2s array */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) struct icst_vco {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	unsigned short	v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	unsigned char	r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	unsigned char	s;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) unsigned long icst_hz(const struct icst_params *p, struct icst_vco vco);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) struct icst_vco icst_hz_to_vco(const struct icst_params *p, unsigned long freq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)  * ICST307 VCO frequency must be between 6MHz and 200MHz (3.3 or 5V).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)  * This frequency is pre-output divider.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define ICST307_VCO_MIN	6000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define ICST307_VCO_MAX	200000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) extern const unsigned char icst307_s2div[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) extern const unsigned char icst307_idx2s[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)  * ICST525 VCO frequency must be between 10MHz and 200MHz (3V) or 320MHz (5V).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)  * This frequency is pre-output divider.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define ICST525_VCO_MIN		10000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define ICST525_VCO_MAX_3V	200000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define ICST525_VCO_MAX_5V	320000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) extern const unsigned char icst525_s2div[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) extern const unsigned char icst525_idx2s[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #endif