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authorChris Zhong <zyw@rock-chips.com>2016-09-08 08:57:33 +0300
committerKishon Vijay Abraham I <kishon@ti.com>2016-09-10 14:43:29 +0300
commit2a4d59625bf0f0ae57d6fecf5970ca03613f5db8 (patch)
treea10cfdbce844d7496fde2b19b55f96e418020aeb /drivers/phy
parentcddbc4b7ef39ac5d84f183a46ee279cb0ae31a9f (diff)
downloadlinux-2a4d59625bf0f0ae57d6fecf5970ca03613f5db8.tar.xz
phy: rockchip-typec: add pm runtime support
Adds pm_runtime support for rockchip Type-C, so that power domain is enabled only when there is a transaction going on to help save power. Signed-off-by: Chris Zhong <zyw@rock-chips.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'drivers/phy')
-rw-r--r--drivers/phy/phy-rockchip-typec.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/phy/phy-rockchip-typec.c b/drivers/phy/phy-rockchip-typec.c
index fb58a2775a49..7cfb0f8995de 100644
--- a/drivers/phy/phy-rockchip-typec.c
+++ b/drivers/phy/phy-rockchip-typec.c
@@ -960,6 +960,8 @@ static int rockchip_typec_phy_probe(struct platform_device *pdev)
return PTR_ERR(tcphy->extcon);
}
+ pm_runtime_enable(dev);
+
for_each_available_child_of_node(np, child_np) {
struct phy *phy;
@@ -990,6 +992,13 @@ static int rockchip_typec_phy_probe(struct platform_device *pdev)
return 0;
}
+static int rockchip_typec_phy_remove(struct platform_device *pdev)
+{
+ pm_runtime_disable(&pdev->dev);
+
+ return 0;
+}
+
static const struct of_device_id rockchip_typec_phy_dt_ids[] = {
{ .compatible = "rockchip,rk3399-typec-phy" },
{}
@@ -999,6 +1008,7 @@ MODULE_DEVICE_TABLE(of, rockchip_typec_phy_dt_ids);
static struct platform_driver rockchip_typec_phy_driver = {
.probe = rockchip_typec_phy_probe,
+ .remove = rockchip_typec_phy_remove,
.driver = {
.name = "rockchip-typec-phy",
.of_match_table = rockchip_typec_phy_dt_ids,