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authorStefan Wahren <stefan.wahren@i2se.com>2017-08-12 12:19:44 +0200
committerThierry Reding <thierry.reding@gmail.com>2017-08-21 07:27:58 +0200
commit8a88b2a2017d1e7e80db53080baff591fd454722 (patch)
tree9d55587aafc8237aa1fd7f26b389f1d34e6cdda6 /drivers/pwm/pwm-bcm2835.c
parent46421d9d8e802e570dfa4d793a4938d2642ec7a7 (diff)
pwm: bcm2835: Support for polarity setting via DT
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@i2se.com> Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm/pwm-bcm2835.c')
-rw-r--r--drivers/pwm/pwm-bcm2835.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/pwm/pwm-bcm2835.c b/drivers/pwm/pwm-bcm2835.c
index c5dbf16d810b..db001cba937f 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);

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