Lines Matching refs:divider

40 static void _setup_mask(struct clk_omap_divider *divider)
46 	if (divider->table) {
49 		for (clkt = divider->table; clkt->div; clkt++)
53 		max_val = divider->max;
55 		if (!(divider->flags & CLK_DIVIDER_ONE_BASED) &&
56 		    !(divider->flags & CLK_DIVIDER_POWER_OF_TWO))
60 	if (divider->flags & CLK_DIVIDER_POWER_OF_TWO)
65 	divider->mask = (1 << fls(mask)) - 1;
68 static unsigned int _get_div(struct clk_omap_divider *divider, unsigned int val)
70 	if (divider->flags & CLK_DIVIDER_ONE_BASED)
72 	if (divider->flags & CLK_DIVIDER_POWER_OF_TWO)
74 	if (divider->table)
75 		return _get_table_div(divider->table, val);
90 static unsigned int _get_val(struct clk_omap_divider *divider, u8 div)
92 	if (divider->flags & CLK_DIVIDER_ONE_BASED)
94 	if (divider->flags & CLK_DIVIDER_POWER_OF_TWO)
96 	if (divider->table)
97 		return  _get_table_val(divider->table, div);
104 	struct clk_omap_divider *divider = to_clk_omap_divider(hw);
107 	val = ti_clk_ll_ops->clk_readl(&divider->reg) >> divider->shift;
108 	val &= divider->mask;
110 	div = _get_div(divider, val);
112 		WARN(!(divider->flags & CLK_DIVIDER_ALLOW_ZERO),
138 static bool _is_valid_div(struct clk_omap_divider *divider, unsigned int div)
140 	if (divider->flags & CLK_DIVIDER_POWER_OF_TWO)
142 	if (divider->table)
143 		return _is_valid_table_div(divider->table, div);
179 	struct clk_omap_divider *divider = to_clk_omap_divider(hw);
187 	maxdiv = divider->max;
191 		bestdiv = _div_round(divider->table, parent_rate, rate);
198 	 * The maximum divider we can use without overflowing
204 		if (!_is_valid_div(divider, i))
210 			 * parent rate, so return the divider immediately.
226 		bestdiv = divider->max;
246 	struct clk_omap_divider *divider;
253 	divider = to_clk_omap_divider(hw);
257 	if (div > divider->max)
258 		div = divider->max;
259 	if (div < divider->min)
260 		div = divider->min;
262 	value = _get_val(divider, div);
264 	val = ti_clk_ll_ops->clk_readl(&divider->reg);
265 	val &= ~(divider->mask << divider->shift);
266 	val |= value << divider->shift;
267 	ti_clk_ll_ops->clk_writel(val, &divider->reg);
269 	ti_clk_latch(&divider->reg, divider->latch);
275  * clk_divider_save_context - Save the divider value
278  * Save the divider value
282 	struct clk_omap_divider *divider = to_clk_omap_divider(hw);
285 	val = ti_clk_ll_ops->clk_readl(&divider->reg) >> divider->shift;
286 	divider->context = val & divider->mask;
292  * clk_divider_restore_context - restore the saved the divider value
295  * Restore the saved the divider value
299 	struct clk_omap_divider *divider = to_clk_omap_divider(hw);
302 	val = ti_clk_ll_ops->clk_readl(&divider->reg);
303 	val &= ~(divider->mask << divider->shift);
304 	val |= divider->context << divider->shift;
305 	ti_clk_ll_ops->clk_writel(val, &divider->reg);
340 			      u8 flags, struct clk_omap_divider *divider)
348 		divider->min = 1;
349 		divider->max = max_div;
350 		_setup_mask(divider);
383 	divider->min = min_div;
384 	divider->max = max_div;
385 	divider->table = tmp;
386 	_setup_mask(divider);
410 	/* Determine required size for divider table */
443 				     struct clk_omap_divider *divider)
450 	if (!divider->table) {
451 		/* Clk divider table not provided, determine min/max divs */
461 		for (clkt = divider->table; clkt->div; clkt++) {
470 	divider->min = min_div;
471 	divider->max = max_div;
472 	_setup_mask(divider);
521  * Sets up a basic divider clock.
547 CLK_OF_DECLARE(divider_clk, "ti,divider-clock", of_ti_divider_clk_setup);
568 CLK_OF_DECLARE(ti_composite_divider_clk, "ti,composite-divider-clock",