pwm: pwm-tiecap: pinctrl support

Enable pinctrl for pwm-tiecap 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>
This commit is contained in:
Philip, Avinash 2012-11-27 14:18:10 +05:30 committed by Thierry Reding
parent 333b08ee8c
commit 3db9b76d7b
1 changed files with 6 additions and 0 deletions

View File

@ -26,6 +26,7 @@
#include <linux/pm_runtime.h> #include <linux/pm_runtime.h>
#include <linux/pwm.h> #include <linux/pwm.h>
#include <linux/of_device.h> #include <linux/of_device.h>
#include <linux/pinctrl/consumer.h>
#include "pwm-tipwmss.h" #include "pwm-tipwmss.h"
@ -200,6 +201,11 @@ static int __devinit ecap_pwm_probe(struct platform_device *pdev)
struct clk *clk; struct clk *clk;
struct ecap_pwm_chip *pc; struct ecap_pwm_chip *pc;
u16 status; 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); pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL);
if (!pc) { if (!pc) {