pwm: pwm-tiehrpwm: pinctrl support
Enable pinctrl for pwm-tiehrpwm if pinctrl driver available, else
bail out with warning message.
Signed-off-by: Philip, Avinash <avinashphilip@ti.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c
index ee7a8b3..542d5f3 100644
--- a/drivers/pwm/pwm-tiehrpwm.c
+++ b/drivers/pwm/pwm-tiehrpwm.c
@@ -26,6 +26,7 @@
#include <linux/clk.h>
#include <linux/pm_runtime.h>
#include <linux/of_device.h>
+#include <linux/pinctrl/consumer.h>
#include "pwm-tipwmss.h"
@@ -415,6 +416,11 @@
struct clk *clk;
struct ehrpwm_pwm_chip *pc;
u16 status;
+ struct pinctrl *pinctrl;
+
+ pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
+ if (IS_ERR(pinctrl))
+ dev_warn(&pdev->dev, "unable to select pin group\n");
pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL);
if (!pc) {