Since this driver already handles changer detction state, copy the workaround code currently residing in arch/arm/mach-imx/anatop.c into this drier to consolidate the places modifying it. Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx> Cc: Chris Healy <cphealy@xxxxxxxxx> Cc: Felipe Balbi <balbi@xxxxxxxxxx> Cc: Shawn Guo <shawnguo@xxxxxxxxxx> Cc: Fabio Estevam <festevam@xxxxxxxxx> Cc: NXP Linux Team <linux-imx@xxxxxxx> Cc: linux-usb@xxxxxxxxxxxxxxx Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx Cc: linux-kernel@xxxxxxxxxxxxxxx --- The intent of this patch is to consolidate all of the code maipulating charge detection state to a signle place and if this patch is agreed upon I plan to follow it up with this change: https://github.com/ndreys/linux/commit/7248f2b85b4706760fd33d2ff970e2ea12d3bea7 Thanks, Andrey Smirnov drivers/usb/phy/phy-mxs-usb.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) 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; -- 2.21.0
