rockchip phy are enable when soc reset, to save power consumption,
we disable it when probe, and enable each phy when it use
Signed-off-by: huang lin <hl at rock-chips.com>
---
drivers/phy/phy-rockchip-usb.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/phy/phy-rockchip-usb.c b/drivers/phy/phy-rockchip-usb.c
index 7d4c336..3b92d7f 100644
--- a/drivers/phy/phy-rockchip-usb.c
+++ b/drivers/phy/phy-rockchip-usb.c
@@ -98,6 +98,7 @@ static int rockchip_usb_phy_probe(struct platform_device *pdev)
struct device_node *child;
struct regmap *grf;
unsigned int reg_offset;
+ int err;
grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,grf");
if (IS_ERR(grf)) {
@@ -129,6 +130,11 @@ static int rockchip_usb_phy_probe(struct platform_device *pdev)
return PTR_ERR(rk_phy->phy);
}
phy_set_drvdata(rk_phy->phy, rk_phy);
+
+ /* only power up usb phy when it use, so disable it when init*/
+ err = rockchip_usb_phy_power(rk_phy, 1);
+ if (err)
+ return err;
}
phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
--
1.9.1
