Commit 2b4d39fc authored by Mark Brown's avatar Mark Brown

ASoC: arizona: Support variable FLL VCO multipliers

Some Arizona chips have a higher frequency for the FLL VCO, support this
in the common code.
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent a1f34af0
......@@ -734,9 +734,9 @@ static int arizona_calc_fll(struct arizona_fll *fll,
/* Apply the division for our remaining calculations */
Fref /= div;
/* Fvco should be 90-100MHz; don't check the upper bound */
/* Fvco should be over the targt; don't check the upper bound */
div = 1;
while (Fout * div < 90000000) {
while (Fout * div < 90000000 * fll->vco_mult) {
div++;
if (div > 7) {
arizona_fll_err(fll, "No FLL_OUTDIV for Fout=%uHz\n",
......@@ -744,7 +744,7 @@ static int arizona_calc_fll(struct arizona_fll *fll,
return -EINVAL;
}
}
target = Fout * div;
target = Fout * div / fll->vco_mult;
cfg->outdiv = div;
arizona_fll_dbg(fll, "Fvco=%dHz\n", target);
......
......@@ -141,6 +141,7 @@ struct arizona_fll {
struct arizona *arizona;
int id;
unsigned int base;
unsigned int vco_mult;
struct completion lock;
struct completion ok;
......
......@@ -853,6 +853,9 @@ static int __devinit wm5102_probe(struct platform_device *pdev)
wm5102->core.arizona = arizona;
for (i = 0; i < ARRAY_SIZE(wm5102->fll); i++)
wm5102->fll[i].vco_mult = 1;
arizona_init_fll(arizona, 1, ARIZONA_FLL1_CONTROL_1 - 1,
ARIZONA_IRQ_FLL1_LOCK, ARIZONA_IRQ_FLL1_CLOCK_OK,
&wm5102->fll[0]);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment