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pinctrl: rockchip: add suspend/resume functions

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support suspend/resume of pinctrl, it allows handling sleep mode
for hogged pins in pinctrl

Signed-off-by: Chris Zhong <[email protected]>
Tested-by: Doug Anderson <[email protected]>
Reviewed-by: Doug Anderson <[email protected]>
Tested-by: Heiko Stuebner <[email protected]>
Signed-off-by: Heiko Stuebner <[email protected]>
This commit is contained in:
Chris Zhong 2014-10-29 19:51:59 +08:00 • committed by Heiko Stuebner
commit 9198f509c8
1 changed files with 18 additions and 0 deletions
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18
drivers/pinctrl/pinctrl-rockchip.c
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@ -1796,6 +1796,23 @@ static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data(
return ctrl;
}
static int __maybe_unused rockchip_pinctrl_suspend(struct device *dev)
{
struct rockchip_pinctrl *info = dev_get_drvdata(dev);
return pinctrl_force_sleep(info->pctl_dev);
}
static int __maybe_unused rockchip_pinctrl_resume(struct device *dev)
{
struct rockchip_pinctrl *info = dev_get_drvdata(dev);
return pinctrl_force_default(info->pctl_dev);
}
static SIMPLE_DEV_PM_OPS(rockchip_pinctrl_dev_pm_ops, rockchip_pinctrl_suspend,
rockchip_pinctrl_resume);
static int rockchip_pinctrl_probe(struct platform_device *pdev)
{
struct rockchip_pinctrl *info;
@ -2009,6 +2026,7 @@ static struct platform_driver rockchip_pinctrl_driver = {
.driver = {
.name = "rockchip-pinctrl",
.owner = THIS_MODULE,
.pm = &rockchip_pinctrl_dev_pm_ops,
.of_match_table = rockchip_pinctrl_dt_match,
},
};