Lines Matching refs:pll
59 struct mtk_clk_pll *pll = to_mtk_clk_pll(hw); in mtk_pll_is_prepared() local
61 return (readl(pll->en_addr) & BIT(pll->data->pll_en_bit)) != 0; in mtk_pll_is_prepared()
64 static unsigned long __mtk_pll_recalc_rate(struct mtk_clk_pll *pll, u32 fin, in __mtk_pll_recalc_rate() argument
67 int pcwbits = pll->data->pcwbits; in __mtk_pll_recalc_rate()
74 ibits = pll->data->pcwibits ? pll->data->pcwibits : INTEGER_BITS; in __mtk_pll_recalc_rate()
91 static void __mtk_pll_tuner_enable(struct mtk_clk_pll *pll) in __mtk_pll_tuner_enable() argument
95 if (pll->tuner_en_addr) { in __mtk_pll_tuner_enable()
96 r = readl(pll->tuner_en_addr) | BIT(pll->data->tuner_en_bit); in __mtk_pll_tuner_enable()
97 writel(r, pll->tuner_en_addr); in __mtk_pll_tuner_enable()
98 } else if (pll->tuner_addr) { in __mtk_pll_tuner_enable()
99 r = readl(pll->tuner_addr) | AUDPLL_TUNER_EN; in __mtk_pll_tuner_enable()
100 writel(r, pll->tuner_addr); in __mtk_pll_tuner_enable()
104 static void __mtk_pll_tuner_disable(struct mtk_clk_pll *pll) in __mtk_pll_tuner_disable() argument
108 if (pll->tuner_en_addr) { in __mtk_pll_tuner_disable()
109 r = readl(pll->tuner_en_addr) & ~BIT(pll->data->tuner_en_bit); in __mtk_pll_tuner_disable()
110 writel(r, pll->tuner_en_addr); in __mtk_pll_tuner_disable()
111 } else if (pll->tuner_addr) { in __mtk_pll_tuner_disable()
112 r = readl(pll->tuner_addr) & ~AUDPLL_TUNER_EN; in __mtk_pll_tuner_disable()
113 writel(r, pll->tuner_addr); in __mtk_pll_tuner_disable()
117 static void mtk_pll_set_rate_regs(struct mtk_clk_pll *pll, u32 pcw, in mtk_pll_set_rate_regs() argument
123 __mtk_pll_tuner_disable(pll); in mtk_pll_set_rate_regs()
126 val = readl(pll->pd_addr); in mtk_pll_set_rate_regs()
127 val &= ~(POSTDIV_MASK << pll->data->pd_shift); in mtk_pll_set_rate_regs()
128 val |= (ffs(postdiv) - 1) << pll->data->pd_shift; in mtk_pll_set_rate_regs()
131 if (pll->pd_addr != pll->pcw_addr) { in mtk_pll_set_rate_regs()
132 writel(val, pll->pd_addr); in mtk_pll_set_rate_regs()
133 val = readl(pll->pcw_addr); in mtk_pll_set_rate_regs()
137 val &= ~GENMASK(pll->data->pcw_shift + pll->data->pcwbits - 1, in mtk_pll_set_rate_regs()
138 pll->data->pcw_shift); in mtk_pll_set_rate_regs()
139 val |= pcw << pll->data->pcw_shift; in mtk_pll_set_rate_regs()
140 writel(val, pll->pcw_addr); in mtk_pll_set_rate_regs()
141 chg = readl(pll->pcw_chg_addr) | PCW_CHG_MASK; in mtk_pll_set_rate_regs()
142 writel(chg, pll->pcw_chg_addr); in mtk_pll_set_rate_regs()
143 if (pll->tuner_addr) in mtk_pll_set_rate_regs()
144 writel(val + 1, pll->tuner_addr); in mtk_pll_set_rate_regs()
147 __mtk_pll_tuner_enable(pll); in mtk_pll_set_rate_regs()
161 static void mtk_pll_calc_values(struct mtk_clk_pll *pll, u32 *pcw, u32 *postdiv, in mtk_pll_calc_values() argument
164 unsigned long fmin = pll->data->fmin ? pll->data->fmin : (1000 * MHZ); in mtk_pll_calc_values()
165 const struct mtk_pll_div_table *div_table = pll->data->div_table; in mtk_pll_calc_values()
170 if (freq > pll->data->fmax) in mtk_pll_calc_values()
171 freq = pll->data->fmax; in mtk_pll_calc_values()
191 ibits = pll->data->pcwibits ? pll->data->pcwibits : INTEGER_BITS; in mtk_pll_calc_values()
192 _pcw = ((u64)freq << val) << (pll->data->pcwbits - ibits); in mtk_pll_calc_values()
201 struct mtk_clk_pll *pll = to_mtk_clk_pll(hw); in mtk_pll_set_rate() local
205 mtk_pll_calc_values(pll, &pcw, &postdiv, rate, parent_rate); in mtk_pll_set_rate()
206 mtk_pll_set_rate_regs(pll, pcw, postdiv); in mtk_pll_set_rate()
214 struct mtk_clk_pll *pll = to_mtk_clk_pll(hw); in mtk_pll_recalc_rate() local
218 postdiv = (readl(pll->pd_addr) >> pll->data->pd_shift) & POSTDIV_MASK; in mtk_pll_recalc_rate()
221 pcw = readl(pll->pcw_addr) >> pll->data->pcw_shift; in mtk_pll_recalc_rate()
222 pcw &= GENMASK(pll->data->pcwbits - 1, 0); in mtk_pll_recalc_rate()
224 return __mtk_pll_recalc_rate(pll, parent_rate, pcw, postdiv); in mtk_pll_recalc_rate()
230 struct mtk_clk_pll *pll = to_mtk_clk_pll(hw); in mtk_pll_round_rate() local
234 mtk_pll_calc_values(pll, &pcw, &postdiv, rate, *prate); in mtk_pll_round_rate()
236 return __mtk_pll_recalc_rate(pll, *prate, pcw, postdiv); in mtk_pll_round_rate()
241 struct mtk_clk_pll *pll = to_mtk_clk_pll(hw); in mtk_pll_prepare() local
245 r = readl(pll->pwr_addr) | CON0_PWR_ON; in mtk_pll_prepare()
246 writel(r, pll->pwr_addr); in mtk_pll_prepare()
249 r = readl(pll->pwr_addr) & ~CON0_ISO_EN; in mtk_pll_prepare()
250 writel(r, pll->pwr_addr); in mtk_pll_prepare()
253 r = readl(pll->en_addr) | BIT(pll->data->pll_en_bit); in mtk_pll_prepare()
254 writel(r, pll->en_addr); in mtk_pll_prepare()
256 div_en_mask = pll->data->en_mask & ~CON0_BASE_EN; in mtk_pll_prepare()
258 r = readl(pll->base_addr + REG_CON0) | div_en_mask; in mtk_pll_prepare()
259 writel(r, pll->base_addr + REG_CON0); in mtk_pll_prepare()
262 __mtk_pll_tuner_enable(pll); in mtk_pll_prepare()
266 if (pll->data->flags & HAVE_RST_BAR) { in mtk_pll_prepare()
267 r = readl(pll->base_addr + REG_CON0); in mtk_pll_prepare()
268 r |= pll->data->rst_bar_mask; in mtk_pll_prepare()
269 writel(r, pll->base_addr + REG_CON0); in mtk_pll_prepare()
277 struct mtk_clk_pll *pll = to_mtk_clk_pll(hw); in mtk_pll_unprepare() local
281 if (pll->data->flags & HAVE_RST_BAR) { in mtk_pll_unprepare()
282 r = readl(pll->base_addr + REG_CON0); in mtk_pll_unprepare()
283 r &= ~pll->data->rst_bar_mask; in mtk_pll_unprepare()
284 writel(r, pll->base_addr + REG_CON0); in mtk_pll_unprepare()
287 __mtk_pll_tuner_disable(pll); in mtk_pll_unprepare()
289 div_en_mask = pll->data->en_mask & ~CON0_BASE_EN; in mtk_pll_unprepare()
291 r = readl(pll->base_addr + REG_CON0) & ~div_en_mask; in mtk_pll_unprepare()
292 writel(r, pll->base_addr + REG_CON0); in mtk_pll_unprepare()
295 r = readl(pll->en_addr) & ~BIT(pll->data->pll_en_bit); in mtk_pll_unprepare()
296 writel(r, pll->en_addr); in mtk_pll_unprepare()
298 r = readl(pll->pwr_addr) | CON0_ISO_EN; in mtk_pll_unprepare()
299 writel(r, pll->pwr_addr); in mtk_pll_unprepare()
301 r = readl(pll->pwr_addr) & ~CON0_PWR_ON; in mtk_pll_unprepare()
302 writel(r, pll->pwr_addr); in mtk_pll_unprepare()
317 struct mtk_clk_pll *pll; in mtk_clk_register_pll() local
322 pll = kzalloc(sizeof(*pll), GFP_KERNEL); in mtk_clk_register_pll()
323 if (!pll) in mtk_clk_register_pll()
326 pll->base_addr = base + data->reg; in mtk_clk_register_pll()
327 pll->pwr_addr = base + data->pwr_reg; in mtk_clk_register_pll()
328 pll->pd_addr = base + data->pd_reg; in mtk_clk_register_pll()
329 pll->pcw_addr = base + data->pcw_reg; in mtk_clk_register_pll()
331 pll->pcw_chg_addr = base + data->pcw_chg_reg; in mtk_clk_register_pll()
333 pll->pcw_chg_addr = pll->base_addr + REG_CON1; in mtk_clk_register_pll()
335 pll->tuner_addr = base + data->tuner_reg; in mtk_clk_register_pll()
337 pll->tuner_en_addr = base + data->tuner_en_reg; in mtk_clk_register_pll()
339 pll->en_addr = base + data->en_reg; in mtk_clk_register_pll()
341 pll->en_addr = pll->base_addr + REG_CON0; in mtk_clk_register_pll()
342 pll->hw.init = &init; in mtk_clk_register_pll()
343 pll->data = data; in mtk_clk_register_pll()
354 clk = clk_register(NULL, &pll->hw); in mtk_clk_register_pll()
357 kfree(pll); in mtk_clk_register_pll()
376 const struct mtk_pll_data *pll = &plls[i]; in mtk_clk_register_plls() local
378 clk = mtk_clk_register_pll(pll, base); in mtk_clk_register_plls()
382 pll->name, PTR_ERR(clk)); in mtk_clk_register_plls()
386 clk_data->clks[pll->id] = clk; in mtk_clk_register_plls()