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| author |   Paul Cercueil <paul@crapouillou.net> | 2018-01-06 17:58:42 +0100 |
|---|---|---|
| committer |   Thierry Reding <thierry.reding@gmail.com> | 2018-03-28 00:23:56 +0200 |
| commit | cc20173304e4f54c0ccabe0c0636b05c2410a4be (patch) | |
| tree | 872d93477edf49f64dcec680f05207ec95ba07ff /drivers/pwm | |
| parent | pwm: jz4740: Implement ->set_polarity() (diff) | |
| download | linux-dev-cc20173304e4f54c0ccabe0c0636b05c2410a4be.tar.xz linux-dev-cc20173304e4f54c0ccabe0c0636b05c2410a4be.zip | |
pwm: jz4740: Add support for devicetree
Add support for probing the pwm-jz4740 directly from devicetree.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-jz4740.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/pwm/pwm-jz4740.c b/drivers/pwm/pwm-jz4740.c index 6539c001fe32..a7b134af5e04 100644 --- a/drivers/pwm/pwm-jz4740.c +++ b/drivers/pwm/pwm-jz4740.c @@ -18,6 +18,7 @@ #include <linux/gpio.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/pwm.h> @@ -174,6 +175,8 @@ static int jz4740_pwm_probe(struct platform_device *pdev) jz4740->chip.ops = &jz4740_pwm_ops; jz4740->chip.npwm = NUM_PWM; jz4740->chip.base = -1; + jz4740->chip.of_xlate = of_pwm_xlate_with_flags; + jz4740->chip.of_pwm_n_cells = 3; platform_set_drvdata(pdev, jz4740); @@ -187,9 +190,20 @@ static int jz4740_pwm_remove(struct platform_device *pdev) return pwmchip_remove(&jz4740->chip); } +#ifdef CONFIG_OF +static const struct of_device_id jz4740_pwm_dt_ids[] = { + { .compatible = "ingenic,jz4740-pwm", }, + { .compatible = "ingenic,jz4770-pwm", }, + { .compatible = "ingenic,jz4780-pwm", }, + {}, +}; +MODULE_DEVICE_TABLE(of, jz4740_pwm_dt_ids); +#endif + static struct platform_driver jz4740_pwm_driver = { .driver = { .name = "jz4740-pwm", + .of_match_table = of_match_ptr(jz4740_pwm_dt_ids), }, .probe = jz4740_pwm_probe, .remove = jz4740_pwm_remove, |