1 // SPDX-License-Identifier: GPL-2.0
8 #include <linux/clk-provider.h>
14 #include "clk-cgu.h"
41 	struct lgm_clk_pll *pll = to_lgm_clk_pll(hw);  in lgm_pll_recalc_rate()  local
45 	spin_lock_irqsave(&pll->lock, flags);  in lgm_pll_recalc_rate()
46 	mult = lgm_get_clk_val(pll->membase, PLL_REF_DIV(pll->reg), 0, 12);  in lgm_pll_recalc_rate()
47 	div = lgm_get_clk_val(pll->membase, PLL_REF_DIV(pll->reg), 18, 6);  in lgm_pll_recalc_rate()
48 	frac = lgm_get_clk_val(pll->membase, pll->reg, 2, 24);  in lgm_pll_recalc_rate()
49 	spin_unlock_irqrestore(&pll->lock, flags);  in lgm_pll_recalc_rate()
51 	if (pll->type == TYPE_LJPLL)  in lgm_pll_recalc_rate()
59 	struct lgm_clk_pll *pll = to_lgm_clk_pll(hw);  in lgm_pll_is_enabled()  local
63 	spin_lock_irqsave(&pll->lock, flags);  in lgm_pll_is_enabled()
64 	ret = lgm_get_clk_val(pll->membase, pll->reg, 0, 1);  in lgm_pll_is_enabled()
65 	spin_unlock_irqrestore(&pll->lock, flags);  in lgm_pll_is_enabled()
72 	struct lgm_clk_pll *pll = to_lgm_clk_pll(hw);  in lgm_pll_enable()  local
77 	spin_lock_irqsave(&pll->lock, flags);  in lgm_pll_enable()
78 	lgm_set_clk_val(pll->membase, pll->reg, 0, 1, 1);  in lgm_pll_enable()
79 	ret = readl_poll_timeout_atomic(pll->membase + pll->reg,  in lgm_pll_enable()
81 	spin_unlock_irqrestore(&pll->lock, flags);  in lgm_pll_enable()
88 	struct lgm_clk_pll *pll = to_lgm_clk_pll(hw);  in lgm_pll_disable()  local
91 	spin_lock_irqsave(&pll->lock, flags);  in lgm_pll_disable()
92 	lgm_set_clk_val(pll->membase, pll->reg, 0, 1, 0);  in lgm_pll_disable()
93 	spin_unlock_irqrestore(&pll->lock, flags);  in lgm_pll_disable()
108 	struct lgm_clk_pll *pll;  in lgm_clk_register_pll()  local
109 	struct device *dev = ctx->dev;  in lgm_clk_register_pll()
114 	init.name = list->name;  in lgm_clk_register_pll()
115 	init.flags = list->flags;  in lgm_clk_register_pll()
116 	init.parent_data = list->parent_data;  in lgm_clk_register_pll()
117 	init.num_parents = list->num_parents;  in lgm_clk_register_pll()
119 	pll = devm_kzalloc(dev, sizeof(*pll), GFP_KERNEL);  in lgm_clk_register_pll()
120 	if (!pll)  in lgm_clk_register_pll()
121 		return ERR_PTR(-ENOMEM);  in lgm_clk_register_pll()
123 	pll->membase = ctx->membase;  in lgm_clk_register_pll()
124 	pll->lock = ctx->lock;  in lgm_clk_register_pll()
125 	pll->reg = list->reg;  in lgm_clk_register_pll()
126 	pll->flags = list->flags;  in lgm_clk_register_pll()
127 	pll->type = list->type;  in lgm_clk_register_pll()
128 	pll->hw.init = &init;  in lgm_clk_register_pll()
130 	hw = &pll->hw;  in lgm_clk_register_pll()
148 			dev_err(ctx->dev, "failed to register pll: %s\n",  in lgm_clk_register_plls()
149 				list->name);  in lgm_clk_register_plls()
152 		ctx->clk_data.hws[list->id] = hw;  in lgm_clk_register_plls()