diff options
Diffstat (limited to 'drivers/phy/rockchip')
| -rw-r--r-- | drivers/phy/rockchip/phy-rockchip-typec.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/phy/rockchip/phy-rockchip-typec.c b/drivers/phy/rockchip/phy-rockchip-typec.c index 54dc52a948ef..9bc4d4bd46d3 100644 --- a/drivers/phy/rockchip/phy-rockchip-typec.c +++ b/drivers/phy/rockchip/phy-rockchip-typec.c @@ -853,6 +853,18 @@ static int tcphy_get_mode(struct rockchip_typec_phy *tcphy) return mode; } +static int tcphy_cfg_usb3_to_usb2_only(struct rockchip_typec_phy *tcphy, + bool value) +{ + struct rockchip_usb3phy_port_cfg *cfg = tcphy->port_cfgs; + + property_enable(tcphy, &cfg->usb3tousb2_en, value); + property_enable(tcphy, &cfg->usb3_host_disable, value); + property_enable(tcphy, &cfg->usb3_host_port, !value); + + return 0; +} + static int rockchip_usb3_phy_power_on(struct phy *phy) { struct rockchip_typec_phy *tcphy = phy_get_drvdata(phy); @@ -870,8 +882,10 @@ static int rockchip_usb3_phy_power_on(struct phy *phy) } /* DP-only mode; fall back to USB2 */ - if (!(new_mode & (MODE_DFP_USB | MODE_UFP_USB))) + if (!(new_mode & (MODE_DFP_USB | MODE_UFP_USB))) { + tcphy_cfg_usb3_to_usb2_only(tcphy, true); goto unlock_ret; + } if (tcphy->mode == new_mode) goto unlock_ret; @@ -887,9 +901,9 @@ static int rockchip_usb3_phy_power_on(struct phy *phy) regmap_read(tcphy->grf_regs, reg->offset, &val); if (!(val & BIT(reg->enable_bit))) { tcphy->mode |= new_mode & (MODE_DFP_USB | MODE_UFP_USB); + /* enable usb3 host */ - property_enable(tcphy, &cfg->usb3_host_disable, 0); - property_enable(tcphy, &cfg->usb3_host_port, 1); + tcphy_cfg_usb3_to_usb2_only(tcphy, false); goto unlock_ret; } usleep_range(10, 20); @@ -910,6 +924,7 @@ static int rockchip_usb3_phy_power_off(struct phy *phy) struct rockchip_typec_phy *tcphy = phy_get_drvdata(phy); mutex_lock(&tcphy->lock); + tcphy_cfg_usb3_to_usb2_only(tcphy, false); if (tcphy->mode == MODE_DISCONNECT) goto unlock; |