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leds: pca9532: read pwm settings from device tree 

While the two pca9532 pwms can be configured in the platform data
struct, there was no corresponding dt binding. Users need to configure
the pwm if some leds should blink or continue blinking during boot.

Signed-off-by: Markus Moll <mmoll@de.pepperl-fuchs.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
This commit is contained in:
Markus Moll 2020-09-22 21:31:15 +02:00 committed by Pavel Machek
parent 2a378856e3
commit 7ac5338c3c
1 changed files with 5 additions and 0 deletions
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5
drivers/leds/leds-pca9532.c
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@ -480,6 +480,11 @@ pca9532_of_populate_pdata(struct device *dev, struct device_node *np)
if (!pdata)
return ERR_PTR(-ENOMEM);
of_property_read_u8_array(np, "nxp,pwm", &pdata->pwm[0],
ARRAY_SIZE(pdata->pwm));
of_property_read_u8_array(np, "nxp,psc", &pdata->psc[0],
ARRAY_SIZE(pdata->psc));
for_each_available_child_of_node(np, child) {
if (of_property_read_string(child, "label",
&pdata->leds[i].name))