From 977d057ad3464c4698fd875ca6bf3f30e554cee2 Mon Sep 17 00:00:00 2001 From: Evan Green Date: Fri, 16 Nov 2018 10:58:53 -0800 Subject: pinctrl: msm: Add sleep pinctrl state transitions Add PM suspend callbacks to the msm core driver that select the sleep and default pinctrl states. Then wire those callbacks up in the sdm845 driver, for those boards that may have GPIO hogs that need to change state during suspend. Signed-off-by: Evan Green Reviewed-by: Stephen Boyd Reviewed-by: Bjorn Andersson Signed-off-by: Linus Walleij --- drivers/pinctrl/qcom/pinctrl-msm.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'drivers/pinctrl/qcom/pinctrl-msm.c') diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c index 7c7d083e2c0d..87cbebe217fd 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.c +++ b/drivers/pinctrl/qcom/pinctrl-msm.c @@ -1072,6 +1072,25 @@ static void msm_pinctrl_setup_pm_reset(struct msm_pinctrl *pctrl) } } +static int msm_pinctrl_suspend(struct device *dev) +{ + struct msm_pinctrl *pctrl = dev_get_drvdata(dev); + + return pinctrl_force_sleep(pctrl->pctrl); +} + +static int msm_pinctrl_resume(struct device *dev) +{ + struct msm_pinctrl *pctrl = dev_get_drvdata(dev); + + return pinctrl_force_default(pctrl->pctrl); +} + +SIMPLE_DEV_PM_OPS(msm_pinctrl_dev_pm_ops, msm_pinctrl_suspend, + msm_pinctrl_resume); + +EXPORT_SYMBOL(msm_pinctrl_dev_pm_ops); + int msm_pinctrl_probe(struct platform_device *pdev, const struct msm_pinctrl_soc_data *soc_data) { -- cgit v1.2.3