[PATCH 2/2] pwm: bcm2835: Support for polarity setting via DT
Stefan Wahren
stefan.wahren at i2se.com
Sat Jul 8 03:13:58 PDT 2017
This adds support for the third (optional) pwm cell to specify the
polarity, which is needed by display backlights for example.
Signed-off-by: Stefan Wahren <stefan.wahren at i2se.com>
---
drivers/pwm/pwm-bcm2835.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/pwm/pwm-bcm2835.c b/drivers/pwm/pwm-bcm2835.c
index c5dbf16..db001cb 100644
--- a/drivers/pwm/pwm-bcm2835.c
+++ b/drivers/pwm/pwm-bcm2835.c
@@ -167,6 +167,8 @@ static int bcm2835_pwm_probe(struct platform_device *pdev)
pc->chip.dev = &pdev->dev;
pc->chip.ops = &bcm2835_pwm_ops;
pc->chip.npwm = 2;
+ pc->chip.of_xlate = of_pwm_xlate_with_flags;
+ pc->chip.of_pwm_n_cells = 3;
platform_set_drvdata(pdev, pc);
--
2.7.4
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