Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Copyright (C) 2016 Maxime Ripard
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Maxime Ripard <maxime.ripard@free-electrons.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) #include <linux/clk-provider.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include "ccu_gate.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include "ccu_nkmp.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) struct _ccu_nkmp {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 	unsigned long	n, min_n, max_n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) 	unsigned long	k, min_k, max_k;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 	unsigned long	m, min_m, max_m;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 	unsigned long	p, min_p, max_p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) static unsigned long ccu_nkmp_calc_rate(unsigned long parent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 					unsigned long n, unsigned long k,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 					unsigned long m, unsigned long p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	u64 rate = parent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	rate *= n * k;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	do_div(rate, m * p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	return rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) static void ccu_nkmp_find_best(unsigned long parent, unsigned long rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 			       struct _ccu_nkmp *nkmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	unsigned long best_rate = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	unsigned long best_n = 0, best_k = 0, best_m = 0, best_p = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	unsigned long _n, _k, _m, _p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	for (_k = nkmp->min_k; _k <= nkmp->max_k; _k++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 		for (_n = nkmp->min_n; _n <= nkmp->max_n; _n++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 			for (_m = nkmp->min_m; _m <= nkmp->max_m; _m++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 				for (_p = nkmp->min_p; _p <= nkmp->max_p; _p <<= 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 					unsigned long tmp_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 					tmp_rate = ccu_nkmp_calc_rate(parent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 								      _n, _k,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 								      _m, _p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 					if (tmp_rate > rate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 						continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 					if ((rate - tmp_rate) < (rate - best_rate)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 						best_rate = tmp_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 						best_n = _n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 						best_k = _k;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 						best_m = _m;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 						best_p = _p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 					}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	nkmp->n = best_n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	nkmp->k = best_k;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	nkmp->m = best_m;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	nkmp->p = best_p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) static void ccu_nkmp_disable(struct clk_hw *hw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	return ccu_gate_helper_disable(&nkmp->common, nkmp->enable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) static int ccu_nkmp_enable(struct clk_hw *hw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	return ccu_gate_helper_enable(&nkmp->common, nkmp->enable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) static int ccu_nkmp_is_enabled(struct clk_hw *hw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	return ccu_gate_helper_is_enabled(&nkmp->common, nkmp->enable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) static unsigned long ccu_nkmp_recalc_rate(struct clk_hw *hw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 					unsigned long parent_rate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	unsigned long n, m, k, p, rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	u32 reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	reg = readl(nkmp->common.base + nkmp->common.reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	n = reg >> nkmp->n.shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	n &= (1 << nkmp->n.width) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	n += nkmp->n.offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	if (!n)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 		n++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	k = reg >> nkmp->k.shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	k &= (1 << nkmp->k.width) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	k += nkmp->k.offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	if (!k)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 		k++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	m = reg >> nkmp->m.shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	m &= (1 << nkmp->m.width) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	m += nkmp->m.offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	if (!m)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		m++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	p = reg >> nkmp->p.shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	p &= (1 << nkmp->p.width) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	rate = ccu_nkmp_calc_rate(parent_rate, n, k, m, 1 << p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	if (nkmp->common.features & CCU_FEATURE_FIXED_POSTDIV)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 		rate /= nkmp->fixed_post_div;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	return rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static long ccu_nkmp_round_rate(struct clk_hw *hw, unsigned long rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 			      unsigned long *parent_rate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	struct _ccu_nkmp _nkmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	if (nkmp->common.features & CCU_FEATURE_FIXED_POSTDIV)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 		rate *= nkmp->fixed_post_div;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	if (nkmp->max_rate && rate > nkmp->max_rate) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 		rate = nkmp->max_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 		if (nkmp->common.features & CCU_FEATURE_FIXED_POSTDIV)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 			rate /= nkmp->fixed_post_div;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		return rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	_nkmp.min_n = nkmp->n.min ?: 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	_nkmp.max_n = nkmp->n.max ?: 1 << nkmp->n.width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	_nkmp.min_k = nkmp->k.min ?: 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	_nkmp.max_k = nkmp->k.max ?: 1 << nkmp->k.width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	_nkmp.min_m = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	_nkmp.max_m = nkmp->m.max ?: 1 << nkmp->m.width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	_nkmp.min_p = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	_nkmp.max_p = nkmp->p.max ?: 1 << ((1 << nkmp->p.width) - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	ccu_nkmp_find_best(*parent_rate, rate, &_nkmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	rate = ccu_nkmp_calc_rate(*parent_rate, _nkmp.n, _nkmp.k,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 				  _nkmp.m, _nkmp.p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	if (nkmp->common.features & CCU_FEATURE_FIXED_POSTDIV)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		rate = rate / nkmp->fixed_post_div;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	return rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) static int ccu_nkmp_set_rate(struct clk_hw *hw, unsigned long rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 			   unsigned long parent_rate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	u32 n_mask = 0, k_mask = 0, m_mask = 0, p_mask = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	struct _ccu_nkmp _nkmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	u32 reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	if (nkmp->common.features & CCU_FEATURE_FIXED_POSTDIV)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 		rate = rate * nkmp->fixed_post_div;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	_nkmp.min_n = nkmp->n.min ?: 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	_nkmp.max_n = nkmp->n.max ?: 1 << nkmp->n.width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	_nkmp.min_k = nkmp->k.min ?: 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	_nkmp.max_k = nkmp->k.max ?: 1 << nkmp->k.width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	_nkmp.min_m = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	_nkmp.max_m = nkmp->m.max ?: 1 << nkmp->m.width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	_nkmp.min_p = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	_nkmp.max_p = nkmp->p.max ?: 1 << ((1 << nkmp->p.width) - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	ccu_nkmp_find_best(parent_rate, rate, &_nkmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	 * If width is 0, GENMASK() macro may not generate expected mask (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	 * as it falls under undefined behaviour by C standard due to shifts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	 * which are equal or greater than width of left operand. This can
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	 * be easily avoided by explicitly checking if width is 0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	if (nkmp->n.width)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		n_mask = GENMASK(nkmp->n.width + nkmp->n.shift - 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 				 nkmp->n.shift);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	if (nkmp->k.width)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		k_mask = GENMASK(nkmp->k.width + nkmp->k.shift - 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 				 nkmp->k.shift);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	if (nkmp->m.width)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 		m_mask = GENMASK(nkmp->m.width + nkmp->m.shift - 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 				 nkmp->m.shift);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	if (nkmp->p.width)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 		p_mask = GENMASK(nkmp->p.width + nkmp->p.shift - 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 				 nkmp->p.shift);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	spin_lock_irqsave(nkmp->common.lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	reg = readl(nkmp->common.base + nkmp->common.reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	reg &= ~(n_mask | k_mask | m_mask | p_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	reg |= ((_nkmp.n - nkmp->n.offset) << nkmp->n.shift) & n_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	reg |= ((_nkmp.k - nkmp->k.offset) << nkmp->k.shift) & k_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	reg |= ((_nkmp.m - nkmp->m.offset) << nkmp->m.shift) & m_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	reg |= (ilog2(_nkmp.p) << nkmp->p.shift) & p_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	writel(reg, nkmp->common.base + nkmp->common.reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	spin_unlock_irqrestore(nkmp->common.lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	ccu_helper_wait_for_lock(&nkmp->common, nkmp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) const struct clk_ops ccu_nkmp_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	.disable	= ccu_nkmp_disable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	.enable		= ccu_nkmp_enable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	.is_enabled	= ccu_nkmp_is_enabled,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	.recalc_rate	= ccu_nkmp_recalc_rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	.round_rate	= ccu_nkmp_round_rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	.set_rate	= ccu_nkmp_set_rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) };