phy: rockchip-usb: power down phy when rockchip phy probe

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@rock-chips.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

diff --git a/drivers/phy/phy-rockchip-usb.c b/drivers/phy/phy-rockchip-usb.c
index 5a5c073e72fe1ee6115bea310890b646b6b40a69..91d6f342c56596fc2e3fcff18213dba004546c3e 100644 (file)
--- 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);