[PATCH RESEND] pwm: pwm-atmel-tcb: pinctrl support

[PATCH RESEND] pwm: pwm-atmel-tcb: pinctrl support

[Boris BREZILLON]

Setup tcb pins using pinctrl subsystem.

Signed-off-by: Boris BREZILLON <linux-arm@overkiz.com>
---
 drivers/pwm/pwm-atmel-tcb.c |    9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/pwm/pwm-atmel-tcb.c b/drivers/pwm/pwm-atmel-tcb.c
index 16cb530..985b7bf 100644
--- a/drivers/pwm/pwm-atmel-tcb.c
+++ b/drivers/pwm/pwm-atmel-tcb.c
@@ -21,6 +21,7 @@
 #include <linux/pwm.h>
 #include <linux/of_device.h>
 #include <linux/slab.h>
+#include <linux/pinctrl/consumer.h>
 
 #define NPWM	6
 
@@ -365,6 +366,7 @@ static int atmel_tcb_pwm_probe(struct platform_device *pdev)
 	struct atmel_tcb_pwm_chip *tcbpwm;
 	struct device_node *np = pdev->dev.of_node;
 	struct atmel_tc *tc;
+	struct pinctrl *pinctrl;
 	int err;
 	int tcblock;
 
@@ -389,6 +391,13 @@ static int atmel_tcb_pwm_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
+	pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
+	if (IS_ERR(pinctrl)) {
+		atmel_tc_free(tc);
+		dev_err(&pdev->dev, "failed to get pinctrl config\n");
+		return PTR_ERR(pinctrl);
+	}
+
 	tcbpwm->chip.dev = &pdev->dev;
 	tcbpwm->chip.ops = &atmel_tcb_pwm_ops;
 	tcbpwm->chip.of_xlate = of_pwm_xlate_with_flags;
-- 
1.7.9.5