From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frank Wang Subject: [PATCH v2 3/4] phy: rockchip-inno-usb2: add one phy comprises with two host-ports support Date: Fri, 2 Jun 2017 11:20:25 +0800 Message-ID: <1496373626-27856-4-git-send-email-frank.wang@rock-chips.com> References: <1496373626-27856-1-git-send-email-frank.wang@rock-chips.com> Return-path: In-Reply-To: <1496373626-27856-1-git-send-email-frank.wang@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org To: heiko@sntech.de, kishon@ti.com, robh+dt@kernel.org, mark.rutland@arm.com, william.wu@rock-chips.com Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org, charles.chen@rock-chips.com, cody.xie@rock-chips.com, kevan.lan@rock-chips.com, huangtao@rock-chips.com, wmc@rock-chips.com, Frank Wang List-Id: devicetree@vger.kernel.org From: William Wu At the current rockchip-inno-usb2 phy driver framework, it can only support usb2-phy which comprises with one otg-port and one host-port. However, some Rockchip SoCs' (e.g RK3228, RK3229) usb2-phy comprises with two host-ports, so we use index of otg id for one host-port configuration, and make it work the same as otg-port host mode. Signed-off-by: William Wu Signed-off-by: Frank Wang --- drivers/phy/phy-rockchip-inno-usb2.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/phy/phy-rockchip-inno-usb2.c b/drivers/phy/phy-rockchip-inno-usb2.c index d6e459d..d026b4cf 100644 --- a/drivers/phy/phy-rockchip-inno-usb2.c +++ b/drivers/phy/phy-rockchip-inno-usb2.c @@ -406,7 +406,8 @@ static int rockchip_usb2phy_init(struct phy *phy) mutex_lock(&rport->mutex); if (rport->port_id == USB2PHY_PORT_OTG) { - if (rport->mode != USB_DR_MODE_HOST) { + if (rport->mode != USB_DR_MODE_HOST && + rport->mode != USB_DR_MODE_UNKNOWN) { /* clear bvalid status and enable bvalid detect irq */ ret = property_enable(rphy, &rport->port_cfg->bvalid_det_clr, @@ -496,7 +497,8 @@ static int rockchip_usb2phy_exit(struct phy *phy) struct rockchip_usb2phy_port *rport = phy_get_drvdata(phy); if (rport->port_id == USB2PHY_PORT_OTG && - rport->mode != USB_DR_MODE_HOST) { + rport->mode != USB_DR_MODE_HOST && + rport->mode != USB_DR_MODE_UNKNOWN) { cancel_delayed_work_sync(&rport->otg_sm_work); cancel_delayed_work_sync(&rport->chg_work); } else if (rport->port_id == USB2PHY_PORT_HOST) @@ -973,7 +975,8 @@ static int rockchip_usb2phy_otg_port_init(struct rockchip_usb2phy *rphy, mutex_init(&rport->mutex); rport->mode = of_usb_get_dr_mode_by_phy(child_np, -1); - if (rport->mode == USB_DR_MODE_HOST) { + if (rport->mode == USB_DR_MODE_HOST || + rport->mode == USB_DR_MODE_UNKNOWN) { ret = 0; goto out; } -- 2.0.0