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| author | Chris Zhong <zyw@rock-chips.com> | 2018-02-16 13:09:55 +0100 |
|---|---|---|
| committer | Kishon Vijay Abraham I <kishon@ti.com> | 2018-03-16 16:55:35 +0530 |
| commit | 866d4087f30170187b2d456e7f40cd4e7f29041b (patch) | |
| tree | dc57502e62d6645cfa7255521d464b2439968751 /drivers/phy | |
| parent | 5eac5e9c0f515f8e452321b159b4093065dfc757 (diff) | |
| download | linux-rpi-866d4087f30170187b2d456e7f40cd4e7f29041b.tar.gz linux-rpi-866d4087f30170187b2d456e7f40cd4e7f29041b.tar.bz2 linux-rpi-866d4087f30170187b2d456e7f40cd4e7f29041b.zip | |
phy: rockchip-typec: support DP phy switch
There are 2 Type-c PHYs in RK3399, but only one DP controller. Hence
only one PHY can connect to DP controller at one time, the other should
be disconnected. The GRF_SOC_CON26 register has a switch bit to do it,
set this bit means enable PHY 1, clear this bit means enable PHY 0.
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'drivers/phy')
| -rw-r--r-- | drivers/phy/rockchip/phy-rockchip-typec.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/phy/rockchip/phy-rockchip-typec.c b/drivers/phy/rockchip/phy-rockchip-typec.c index 9bc4d4bd46d3..1c79785a5439 100644 --- a/drivers/phy/rockchip/phy-rockchip-typec.c +++ b/drivers/phy/rockchip/phy-rockchip-typec.c @@ -364,6 +364,7 @@ struct usb3phy_reg { * @pipe_status: the register of type-c phy pipe status. * @usb3_host_disable: the register of type-c usb3 host disable. * @usb3_host_port: the register of type-c usb3 host port. + * @uphy_dp_sel: the register of type-c phy DP select control. */ struct rockchip_usb3phy_port_cfg { unsigned int reg; @@ -373,6 +374,7 @@ struct rockchip_usb3phy_port_cfg { struct usb3phy_reg pipe_status; struct usb3phy_reg usb3_host_disable; struct usb3phy_reg usb3_host_port; + struct usb3phy_reg uphy_dp_sel; }; struct rockchip_typec_phy { @@ -446,6 +448,7 @@ static const struct rockchip_usb3phy_port_cfg rk3399_usb3phy_port_cfgs[] = { .pipe_status = { 0xe5c0, 0, 0 }, .usb3_host_disable = { 0x2434, 0, 16 }, .usb3_host_port = { 0x2434, 12, 28 }, + .uphy_dp_sel = { 0x6268, 19, 19 }, }, { .reg = 0xff800000, @@ -455,6 +458,7 @@ static const struct rockchip_usb3phy_port_cfg rk3399_usb3phy_port_cfgs[] = { .pipe_status = { 0xe5c0, 16, 16 }, .usb3_host_disable = { 0x2444, 0, 16 }, .usb3_host_port = { 0x2444, 12, 28 }, + .uphy_dp_sel = { 0x6268, 3, 19 }, }, { /* sentinel */ } }; @@ -856,7 +860,7 @@ static int tcphy_get_mode(struct rockchip_typec_phy *tcphy) static int tcphy_cfg_usb3_to_usb2_only(struct rockchip_typec_phy *tcphy, bool value) { - struct rockchip_usb3phy_port_cfg *cfg = tcphy->port_cfgs; + const struct rockchip_usb3phy_port_cfg *cfg = tcphy->port_cfgs; property_enable(tcphy, &cfg->usb3tousb2_en, value); property_enable(tcphy, &cfg->usb3_host_disable, value); @@ -947,6 +951,7 @@ static const struct phy_ops rockchip_usb3_phy_ops = { static int rockchip_dp_phy_power_on(struct phy *phy) { struct rockchip_typec_phy *tcphy = phy_get_drvdata(phy); + const struct rockchip_usb3phy_port_cfg *cfg = tcphy->port_cfgs; int new_mode, ret = 0; u32 val; @@ -979,6 +984,8 @@ static int rockchip_dp_phy_power_on(struct phy *phy) if (ret) goto unlock_ret; + property_enable(tcphy, &cfg->uphy_dp_sel, 1); + ret = readx_poll_timeout(readl, tcphy->base + DP_MODE_CTL, val, val & DP_MODE_A2, 1000, PHY_MODE_SET_TIMEOUT); |