clk/pistachio/clk-pll.c

83 static inline void pll_writel(struct pistachio_clk_pll *pll, u32 val, u32 reg)
85 	writel(val, pll->base + reg);
108 	u32 val;
110 	val = pll_readl(pll, PLL_CTRL3) & PLL_FRAC_CTRL3_DSMPD;
111 	return val ? PLL_MODE_INT : PLL_MODE_FRAC;
117 	u32 val;
119 	val = pll_readl(pll, PLL_CTRL3);
121 		val |= PLL_FRAC_CTRL3_DSMPD | PLL_FRAC_CTRL3_DACPD;
123 		val &= ~(PLL_FRAC_CTRL3_DSMPD | PLL_FRAC_CTRL3_DACPD);
125 	pll_writel(pll, val, PLL_CTRL3);
160 	u32 val;
162 	val = pll_readl(pll, PLL_CTRL3);
163 	val &= ~(PLL_FRAC_CTRL3_PD | PLL_FRAC_CTRL3_FOUTPOSTDIVPD |
165 	pll_writel(pll, val, PLL_CTRL3);
167 	val = pll_readl(pll, PLL_CTRL4);
168 	val &= ~PLL_FRAC_CTRL4_BYPASS;
169 	pll_writel(pll, val, PLL_CTRL4);
179 	u32 val;
181 	val = pll_readl(pll, PLL_CTRL3);
182 	val |= PLL_FRAC_CTRL3_PD;
183 	pll_writel(pll, val, PLL_CTRL3);
199 	u64 val, vco, old_postdiv1, old_postdiv2;
218 	val = div64_u64(params->fref, params->refdiv);
219 	if (val < MIN_PFD)
221 			name, val, MIN_PFD);
222 	if (val > vco / 16)
224 			name, val, vco / 16);
226 	val = pll_readl(pll, PLL_CTRL1);
227 	val &= ~((PLL_CTRL1_REFDIV_MASK << PLL_CTRL1_REFDIV_SHIFT) |
229 	val |= (params->refdiv << PLL_CTRL1_REFDIV_SHIFT) |
231 	pll_writel(pll, val, PLL_CTRL1);
233 	val = pll_readl(pll, PLL_CTRL2);
235 	old_postdiv1 = (val >> PLL_FRAC_CTRL2_POSTDIV1_SHIFT) &
237 	old_postdiv2 = (val >> PLL_FRAC_CTRL2_POSTDIV2_SHIFT) &
247 	val &= ~((PLL_FRAC_CTRL2_FRAC_MASK << PLL_FRAC_CTRL2_FRAC_SHIFT) |
252 	val |= (params->frac << PLL_FRAC_CTRL2_FRAC_SHIFT) |
255 	pll_writel(pll, val, PLL_CTRL2);
273 	u64 val, prediv, fbdiv, frac, postdiv1, postdiv2, rate;
275 	val = pll_readl(pll, PLL_CTRL1);
276 	prediv = (val >> PLL_CTRL1_REFDIV_SHIFT) & PLL_CTRL1_REFDIV_MASK;
277 	fbdiv = (val >> PLL_CTRL1_FBDIV_SHIFT) & PLL_CTRL1_FBDIV_MASK;
279 	val = pll_readl(pll, PLL_CTRL2);
280 	postdiv1 = (val >> PLL_FRAC_CTRL2_POSTDIV1_SHIFT) &
282 	postdiv2 = (val >> PLL_FRAC_CTRL2_POSTDIV2_SHIFT) &
284 	frac = (val >> PLL_FRAC_CTRL2_FRAC_SHIFT) & PLL_FRAC_CTRL2_FRAC_MASK;
317 	u32 val;
319 	val = pll_readl(pll, PLL_CTRL1);
320 	val &= ~(PLL_INT_CTRL1_PD |
322 	pll_writel(pll, val, PLL_CTRL1);
324 	val = pll_readl(pll, PLL_CTRL2);
325 	val &= ~PLL_INT_CTRL2_BYPASS;
326 	pll_writel(pll, val, PLL_CTRL2);
336 	u32 val;
338 	val = pll_readl(pll, PLL_CTRL1);
339 	val |= PLL_INT_CTRL1_PD;
340 	pll_writel(pll, val, PLL_CTRL1);
356 	u32 val, vco, old_postdiv1, old_postdiv2;
371 	val = div_u64(params->fref, params->refdiv);
372 	if (val < MIN_PFD)
374 			name, val, MIN_PFD);
375 	if (val > vco / 16)
377 			name, val, vco / 16);
379 	val = pll_readl(pll, PLL_CTRL1);
381 	old_postdiv1 = (val >> PLL_INT_CTRL1_POSTDIV1_SHIFT) &
383 	old_postdiv2 = (val >> PLL_INT_CTRL1_POSTDIV2_SHIFT) &
393 	val &= ~((PLL_CTRL1_REFDIV_MASK << PLL_CTRL1_REFDIV_SHIFT) |
397 	val |= (params->refdiv << PLL_CTRL1_REFDIV_SHIFT) |
401 	pll_writel(pll, val, PLL_CTRL1);
413 	u32 val, prediv, fbdiv, postdiv1, postdiv2;
416 	val = pll_readl(pll, PLL_CTRL1);
417 	prediv = (val >> PLL_CTRL1_REFDIV_SHIFT) & PLL_CTRL1_REFDIV_MASK;
418 	fbdiv = (val >> PLL_CTRL1_FBDIV_SHIFT) & PLL_CTRL1_FBDIV_MASK;
419 	postdiv1 = (val >> PLL_INT_CTRL1_POSTDIV1_SHIFT) &
421 	postdiv2 = (val >> PLL_INT_CTRL1_POSTDIV2_SHIFT) &