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

From: Boris BREZILLON
Date: Tue Apr 02 2013 - 15:49:40 EST


Setup tcb pins using pinctrl subsystem.

Signed-off-by: Boris BREZILLON <linux-arm@xxxxxxxxxxx>
---
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

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