[PATCH 41/51] phy: rockchip-typec: add pm runtime support

Kishon Vijay Abraham I
2016-09-14T07:48:56Z

From: Chris Zhong <zyw@rock-chips.com>

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>
---
drivers/phy/phy-rockchip-typec.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/drivers/phy/phy-rockchip-typec.c b/drivers/phy/phy-rockchip-typec.c
index fb58a27..7cfb0f8 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,
--
1.7.9.5