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pwm: jz4740: Add support for devicetree

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Add support for probing the pwm-jz4740 directly from devicetree.

Signed-off-by: Paul Cercueil <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
This commit is contained in:
Paul Cercueil 2018-01-06 17:58:42 +01:00 • committed by Thierry Reding
commit cc20173304
2 changed files with 39 additions and 0 deletions
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14
drivers/pwm/pwm-jz4740.c
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@ -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,