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authorPaul Cercueil <paul@crapouillou.net>2018-01-06 17:58:42 +0100
committerThierry Reding <thierry.reding@gmail.com>2018-03-28 00:23:56 +0200
commitcc20173304e4f54c0ccabe0c0636b05c2410a4be (patch)
tree872d93477edf49f64dcec680f05207ec95ba07ff /drivers/pwm/pwm-jz4740.c
parent174dcc8eaec5fd53f9d6f3aa3068e8415a9c0d35 (diff)
downloadlinux-cc20173304e4f54c0ccabe0c0636b05c2410a4be.tar.bz2
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/pwm-jz4740.c')
-rw-r--r--drivers/pwm/pwm-jz4740.c14
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,