clk/at91/clk-programmable.c

18 #define PROG_PRES(layout, pckr)	((pckr >> layout->pres_shift) & layout->pres_mask)
37 	unsigned int pckr;
40 	regmap_read(prog->regmap, AT91_PMC_PCKR(prog->id), &pckr);
43 		rate = parent_rate / (PROG_PRES(layout, pckr) + 1);
45 		rate = parent_rate >> PROG_PRES(layout, pckr);
108 	unsigned int pckr = index;
114 		pckr = clk_mux_index_to_val(prog->mux_table, 0, index);
120 		pckr |= AT91_PMC_CSSMCK_MCK;
123 	regmap_update_bits(prog->regmap, AT91_PMC_PCKR(prog->id), mask, pckr);
132 	unsigned int pckr;
135 	regmap_read(prog->regmap, AT91_PMC_PCKR(prog->id), &pckr);
137 	ret = pckr & layout->css_mask;
139 	if (layout->have_slck_mck && (pckr & AT91_PMC_CSSMCK_MCK) && !ret)