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phy: rockchip-inno-usb2: amend charge detect process 

Suspend USB-PHY while doing charge detect and resume it after
finishing to ensure the USB-PHY in normal state.

In addition, disable idm_sink_en and vdp_src_en after primary
detection retry to fix the USB device failed to be enumerated
after do charge detect.

Change-Id: Id1effb049cc6491bcd876aa1cc0449469b11df06
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
This commit is contained in:
Frank Wang 2018-01-09 15:12:09 +08:00 committed by Kever Yang
parent 15e088ea51
commit a607e103bc
1 changed files with 14 additions and 0 deletions
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14
drivers/phy/phy-rockchip-inno-usb2.c
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@ -238,16 +238,19 @@ static bool rockchip_chg_primary_det_retry(struct rockchip_usb2phy *rphy)
break;
}
rockchip_chg_enable_primary_det(rphy, false);
return vout;
}
int rockchip_chg_get_type(void)
{
const struct rockchip_usb2phy_port_cfg *port_cfg;
const struct rockchip_usb2phy_cfg *phy_cfgs;
enum power_supply_type chg_type;
struct rockchip_usb2phy rphy;
struct udevice *dev;
ofnode u2phy_node, grf_node;
void __iomem *base;
fdt_size_t size;
u32 reg, index;
bool is_dcd, vout;
@ -330,6 +333,13 @@ int rockchip_chg_get_type(void)
return -EINVAL;
}
base = get_reg_base(&rphy);
port_cfg = &rphy.phy_cfg->port_cfgs[USB2PHY_PORT_OTG];
/* Suspend USB-PHY and put the controller in non-driving mode */
property_enable(base, &port_cfg->phy_sus, true);
property_enable(base, &rphy.phy_cfg->chg_det.opmode, false);
rphy.dcd_retries = CHG_DCD_MAX_RETRIES;
rphy.primary_retries = CHG_PRI_MAX_RETRIES;
@ -394,6 +404,10 @@ int rockchip_chg_get_type(void)
chg_type = POWER_SUPPLY_TYPE_USB_CDP;
out:
/* Resume USB-PHY and put the controller in normal mode */
property_enable(base, &rphy.phy_cfg->chg_det.opmode, true);
property_enable(base, &port_cfg->phy_sus, false);
debug("charger is %s\n", chg_to_string(chg_type));
return chg_type;