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authorAlex Deucher <alexander.deucher@amd.com>2019-06-25 08:42:25 -0500
committerAlex Deucher <alexander.deucher@amd.com>2019-06-25 08:42:25 -0500
commitd7929c1e13e3788e7cb741d75b5baec5e53eff21 (patch)
treecf513071edfc4499b4e025e4846244c9d0e4c6bd /drivers/usb/phy/phy-mxs-usb.c
parent8ac875db0fdc1cfa55c424b38a81cf5282f3df0b (diff)
parent80d42db02b3a5beb8cffba08207adf5f4c525ee3 (diff)
downloadblackbird-op-linux-d7929c1e13e3788e7cb741d75b5baec5e53eff21.tar.gz
blackbird-op-linux-d7929c1e13e3788e7cb741d75b5baec5e53eff21.zip
Merge branch 'drm-next' into drm-next-5.3
Backmerge drm-next and fix up conflicts due to drmP.h removal. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/usb/phy/phy-mxs-usb.c')
-rw-r--r--drivers/usb/phy/phy-mxs-usb.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c
index 1b1bb0ad40c3..6fa16ab31e2e 100644
--- a/drivers/usb/phy/phy-mxs-usb.c
+++ b/drivers/usb/phy/phy-mxs-usb.c
@@ -63,6 +63,7 @@
#define ANADIG_USB1_CHRG_DETECT_SET 0x1b4
#define ANADIG_USB1_CHRG_DETECT_CLR 0x1b8
+#define ANADIG_USB2_CHRG_DETECT_SET 0x214
#define ANADIG_USB1_CHRG_DETECT_EN_B BIT(20)
#define ANADIG_USB1_CHRG_DETECT_CHK_CHRG_B BIT(19)
#define ANADIG_USB1_CHRG_DETECT_CHK_CONTACT BIT(18)
@@ -250,6 +251,19 @@ static int mxs_phy_hw_init(struct mxs_phy *mxs_phy)
if (mxs_phy->data->flags & MXS_PHY_NEED_IP_FIX)
writel(BM_USBPHY_IP_FIX, base + HW_USBPHY_IP_SET);
+ if (mxs_phy->regmap_anatop) {
+ unsigned int reg = mxs_phy->port_id ?
+ ANADIG_USB1_CHRG_DETECT_SET :
+ ANADIG_USB2_CHRG_DETECT_SET;
+ /*
+ * The external charger detector needs to be disabled,
+ * or the signal at DP will be poor
+ */
+ regmap_write(mxs_phy->regmap_anatop, reg,
+ ANADIG_USB1_CHRG_DETECT_EN_B |
+ ANADIG_USB1_CHRG_DETECT_CHK_CHRG_B);
+ }
+
mxs_phy_tx_init(mxs_phy);
return 0;
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