diff options
Diffstat (limited to 'drivers/phy/rockchip/phy-rockchip-inno-usb2.c')
-rw-r--r-- | drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 225 |
1 files changed, 169 insertions, 56 deletions
diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c index 626883d9d176..ee7ce5ee53f9 100644 --- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c +++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c @@ -172,6 +172,8 @@ struct rockchip_usb2phy_cfg { * @vbus_attached: otg device vbus status. * @bvalid_irq: IRQ number assigned for vbus valid rise detection. * @ls_irq: IRQ number assigned for linestate detection. + * @otg_mux_irq: IRQ number which multiplex otg-id/otg-bvalid/linestate + * irqs to one irq in otg-port. * @mutex: for register updating in sm_work. * @chg_work: charge detect work. * @otg_sm_work: OTG state machine work. @@ -189,6 +191,7 @@ struct rockchip_usb2phy_port { bool vbus_attached; int bvalid_irq; int ls_irq; + int otg_mux_irq; struct mutex mutex; struct delayed_work chg_work; struct delayed_work otg_sm_work; @@ -202,6 +205,7 @@ struct rockchip_usb2phy_port { /** * struct rockchip_usb2phy: usb2.0 phy driver data. * @grf: General Register Files regmap. + * @usbgrf: USB General Register Files regmap. * @clk: clock struct of phy input clk. * @clk480m: clock struct of phy output clk. * @clk_hw: clock struct of phy output clk management. @@ -216,6 +220,7 @@ struct rockchip_usb2phy_port { struct rockchip_usb2phy { struct device *dev; struct regmap *grf; + struct regmap *usbgrf; struct clk *clk; struct clk *clk480m; struct clk_hw clk480m_hw; @@ -227,7 +232,12 @@ struct rockchip_usb2phy { struct rockchip_usb2phy_port ports[USB2PHY_NUM_PORTS]; }; -static inline int property_enable(struct rockchip_usb2phy *rphy, +static inline struct regmap *get_reg_base(struct rockchip_usb2phy *rphy) +{ + return rphy->usbgrf == NULL ? rphy->grf : rphy->usbgrf; +} + +static inline int property_enable(struct regmap *base, const struct usb2phy_reg *reg, bool en) { unsigned int val, mask, tmp; @@ -236,17 +246,17 @@ static inline int property_enable(struct rockchip_usb2phy *rphy, mask = GENMASK(reg->bitend, reg->bitstart); val = (tmp << reg->bitstart) | (mask << BIT_WRITEABLE_SHIFT); - return regmap_write(rphy->grf, reg->offset, val); + return regmap_write(base, reg->offset, val); } -static inline bool property_enabled(struct rockchip_usb2phy *rphy, +static inline bool property_enabled(struct regmap *base, const struct usb2phy_reg *reg) { int ret; unsigned int tmp, orig; unsigned int mask = GENMASK(reg->bitend, reg->bitstart); - ret = regmap_read(rphy->grf, reg->offset, &orig); + ret = regmap_read(base, reg->offset, &orig); if (ret) return false; @@ -258,11 +268,12 @@ static int rockchip_usb2phy_clk480m_prepare(struct clk_hw *hw) { struct rockchip_usb2phy *rphy = container_of(hw, struct rockchip_usb2phy, clk480m_hw); + struct regmap *base = get_reg_base(rphy); int ret; /* turn on 480m clk output if it is off */ - if (!property_enabled(rphy, &rphy->phy_cfg->clkout_ctl)) { - ret = property_enable(rphy, &rphy->phy_cfg->clkout_ctl, true); + if (!property_enabled(base, &rphy->phy_cfg->clkout_ctl)) { + ret = property_enable(base, &rphy->phy_cfg->clkout_ctl, true); if (ret) return ret; @@ -277,17 +288,19 @@ static void rockchip_usb2phy_clk480m_unprepare(struct clk_hw *hw) { struct rockchip_usb2phy *rphy = container_of(hw, struct rockchip_usb2phy, clk480m_hw); + struct regmap *base = get_reg_base(rphy); /* turn off 480m clk output */ - property_enable(rphy, &rphy->phy_cfg->clkout_ctl, false); + property_enable(base, &rphy->phy_cfg->clkout_ctl, false); } static int rockchip_usb2phy_clk480m_prepared(struct clk_hw *hw) { struct rockchip_usb2phy *rphy = container_of(hw, struct rockchip_usb2phy, clk480m_hw); + struct regmap *base = get_reg_base(rphy); - return property_enabled(rphy, &rphy->phy_cfg->clkout_ctl); + return property_enabled(base, &rphy->phy_cfg->clkout_ctl); } static unsigned long @@ -409,13 +422,13 @@ static int rockchip_usb2phy_init(struct phy *phy) 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, + ret = property_enable(rphy->grf, &rport->port_cfg->bvalid_det_clr, true); if (ret) goto out; - ret = property_enable(rphy, + ret = property_enable(rphy->grf, &rport->port_cfg->bvalid_det_en, true); if (ret) @@ -429,11 +442,13 @@ static int rockchip_usb2phy_init(struct phy *phy) } } else if (rport->port_id == USB2PHY_PORT_HOST) { /* clear linestate and enable linestate detect irq */ - ret = property_enable(rphy, &rport->port_cfg->ls_det_clr, true); + ret = property_enable(rphy->grf, + &rport->port_cfg->ls_det_clr, true); if (ret) goto out; - ret = property_enable(rphy, &rport->port_cfg->ls_det_en, true); + ret = property_enable(rphy->grf, + &rport->port_cfg->ls_det_en, true); if (ret) goto out; @@ -449,6 +464,7 @@ static int rockchip_usb2phy_power_on(struct phy *phy) { struct rockchip_usb2phy_port *rport = phy_get_drvdata(phy); struct rockchip_usb2phy *rphy = dev_get_drvdata(phy->dev.parent); + struct regmap *base = get_reg_base(rphy); int ret; dev_dbg(&rport->phy->dev, "port power on\n"); @@ -460,7 +476,7 @@ static int rockchip_usb2phy_power_on(struct phy *phy) if (ret) return ret; - ret = property_enable(rphy, &rport->port_cfg->phy_sus, false); + ret = property_enable(base, &rport->port_cfg->phy_sus, false); if (ret) return ret; @@ -475,6 +491,7 @@ static int rockchip_usb2phy_power_off(struct phy *phy) { struct rockchip_usb2phy_port *rport = phy_get_drvdata(phy); struct rockchip_usb2phy *rphy = dev_get_drvdata(phy->dev.parent); + struct regmap *base = get_reg_base(rphy); int ret; dev_dbg(&rport->phy->dev, "port power off\n"); @@ -482,7 +499,7 @@ static int rockchip_usb2phy_power_off(struct phy *phy) if (rport->suspended) return 0; - ret = property_enable(rphy, &rport->port_cfg->phy_sus, true); + ret = property_enable(base, &rport->port_cfg->phy_sus, true); if (ret) return ret; @@ -526,11 +543,11 @@ static void rockchip_usb2phy_otg_sm_work(struct work_struct *work) bool vbus_attach, sch_work, notify_charger; if (rport->utmi_avalid) - vbus_attach = - property_enabled(rphy, &rport->port_cfg->utmi_avalid); + vbus_attach = property_enabled(rphy->grf, + &rport->port_cfg->utmi_avalid); else - vbus_attach = - property_enabled(rphy, &rport->port_cfg->utmi_bvalid); + vbus_attach = property_enabled(rphy->grf, + &rport->port_cfg->utmi_bvalid); sch_work = false; notify_charger = false; @@ -545,7 +562,7 @@ static void rockchip_usb2phy_otg_sm_work(struct work_struct *work) rockchip_usb2phy_power_off(rport->phy); /* fall through */ case OTG_STATE_B_IDLE: - if (extcon_get_cable_state_(rphy->edev, EXTCON_USB_HOST) > 0) { + if (extcon_get_state(rphy->edev, EXTCON_USB_HOST) > 0) { dev_dbg(&rport->phy->dev, "usb otg host connect\n"); rport->state = OTG_STATE_A_HOST; rockchip_usb2phy_power_on(rport->phy); @@ -598,7 +615,7 @@ static void rockchip_usb2phy_otg_sm_work(struct work_struct *work) rport->vbus_attached = vbus_attach; if (notify_charger && rphy->edev) { - extcon_set_cable_state_(rphy->edev, + extcon_set_state_sync(rphy->edev, cable, vbus_attach); if (cable == EXTCON_CHG_USB_SDP) extcon_set_state_sync(rphy->edev, @@ -619,7 +636,7 @@ static void rockchip_usb2phy_otg_sm_work(struct work_struct *work) sch_work = true; break; case OTG_STATE_A_HOST: - if (extcon_get_cable_state_(rphy->edev, EXTCON_USB_HOST) == 0) { + if (extcon_get_state(rphy->edev, EXTCON_USB_HOST) == 0) { dev_dbg(&rport->phy->dev, "usb otg host disconnect\n"); rport->state = OTG_STATE_B_IDLE; rockchip_usb2phy_power_off(rport->phy); @@ -650,22 +667,28 @@ static const char *chg_to_string(enum power_supply_type chg_type) static void rockchip_chg_enable_dcd(struct rockchip_usb2phy *rphy, bool en) { - property_enable(rphy, &rphy->phy_cfg->chg_det.rdm_pdwn_en, en); - property_enable(rphy, &rphy->phy_cfg->chg_det.idp_src_en, en); + struct regmap *base = get_reg_base(rphy); + + property_enable(base, &rphy->phy_cfg->chg_det.rdm_pdwn_en, en); + property_enable(base, &rphy->phy_cfg->chg_det.idp_src_en, en); } static void rockchip_chg_enable_primary_det(struct rockchip_usb2phy *rphy, bool en) { - property_enable(rphy, &rphy->phy_cfg->chg_det.vdp_src_en, en); - property_enable(rphy, &rphy->phy_cfg->chg_det.idm_sink_en, en); + struct regmap *base = get_reg_base(rphy); + + property_enable(base, &rphy->phy_cfg->chg_det.vdp_src_en, en); + property_enable(base, &rphy->phy_cfg->chg_det.idm_sink_en, en); } static void rockchip_chg_enable_secondary_det(struct rockchip_usb2phy *rphy, bool en) { - property_enable(rphy, &rphy->phy_cfg->chg_det.vdm_src_en, en); - property_enable(rphy, &rphy->phy_cfg->chg_det.idp_sink_en, en); + struct regmap *base = get_reg_base(rphy); + + property_enable(base, &rphy->phy_cfg->chg_det.vdm_src_en, en); + property_enable(base, &rphy->phy_cfg->chg_det.idp_sink_en, en); } #define CHG_DCD_POLL_TIME (100 * HZ / 1000) @@ -677,6 +700,7 @@ static void rockchip_chg_detect_work(struct work_struct *work) struct rockchip_usb2phy_port *rport = container_of(work, struct rockchip_usb2phy_port, chg_work.work); struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent); + struct regmap *base = get_reg_base(rphy); bool is_dcd, tmout, vout; unsigned long delay; @@ -687,7 +711,7 @@ static void rockchip_chg_detect_work(struct work_struct *work) if (!rport->suspended) rockchip_usb2phy_power_off(rport->phy); /* put the controller in non-driving mode */ - property_enable(rphy, &rphy->phy_cfg->chg_det.opmode, false); + property_enable(base, &rphy->phy_cfg->chg_det.opmode, false); /* Start DCD processing stage 1 */ rockchip_chg_enable_dcd(rphy, true); rphy->chg_state = USB_CHG_STATE_WAIT_FOR_DCD; @@ -696,7 +720,8 @@ static void rockchip_chg_detect_work(struct work_struct *work) break; case USB_CHG_STATE_WAIT_FOR_DCD: /* get data contact detection status */ - is_dcd = property_enabled(rphy, &rphy->phy_cfg->chg_det.dp_det); + is_dcd = property_enabled(rphy->grf, + &rphy->phy_cfg->chg_det.dp_det); tmout = ++rphy->dcd_retries == CHG_DCD_MAX_RETRIES; /* stage 2 */ if (is_dcd || tmout) { @@ -713,7 +738,8 @@ static void rockchip_chg_detect_work(struct work_struct *work) } break; case USB_CHG_STATE_DCD_DONE: - vout = property_enabled(rphy, &rphy->phy_cfg->chg_det.cp_det); + vout = property_enabled(rphy->grf, + &rphy->phy_cfg->chg_det.cp_det); rockchip_chg_enable_primary_det(rphy, false); if (vout) { /* Voltage Source on DM, Probe on DP */ @@ -734,7 +760,8 @@ static void rockchip_chg_detect_work(struct work_struct *work) } break; case USB_CHG_STATE_PRIMARY_DONE: - vout = property_enabled(rphy, &rphy->phy_cfg->chg_det.dcp_det); + vout = property_enabled(rphy->grf, + &rphy->phy_cfg->chg_det.dcp_det); /* Turn off voltage source */ rockchip_chg_enable_secondary_det(rphy, false); if (vout) @@ -748,7 +775,7 @@ static void rockchip_chg_detect_work(struct work_struct *work) /* fall through */ case USB_CHG_STATE_DETECTED: /* put the controller in normal mode */ - property_enable(rphy, &rphy->phy_cfg->chg_det.opmode, true); + property_enable(base, &rphy->phy_cfg->chg_det.opmode, true); rockchip_usb2phy_otg_sm_work(&rport->otg_sm_work.work); dev_info(&rport->phy->dev, "charger = %s\n", chg_to_string(rphy->chg_type)); @@ -790,8 +817,7 @@ static void rockchip_usb2phy_sm_work(struct work_struct *work) if (ret < 0) goto next_schedule; - ret = regmap_read(rphy->grf, rport->port_cfg->utmi_hstdet.offset, - &uhd); + ret = regmap_read(rphy->grf, rport->port_cfg->utmi_hstdet.offset, &uhd); if (ret < 0) goto next_schedule; @@ -845,8 +871,8 @@ static void rockchip_usb2phy_sm_work(struct work_struct *work) * activate the linestate detection to get the next device * plug-in irq. */ - property_enable(rphy, &rport->port_cfg->ls_det_clr, true); - property_enable(rphy, &rport->port_cfg->ls_det_en, true); + property_enable(rphy->grf, &rport->port_cfg->ls_det_clr, true); + property_enable(rphy->grf, &rport->port_cfg->ls_det_en, true); /* * we don't need to rearm the delayed work when the phy port @@ -869,14 +895,14 @@ static irqreturn_t rockchip_usb2phy_linestate_irq(int irq, void *data) struct rockchip_usb2phy_port *rport = data; struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent); - if (!property_enabled(rphy, &rport->port_cfg->ls_det_st)) + if (!property_enabled(rphy->grf, &rport->port_cfg->ls_det_st)) return IRQ_NONE; mutex_lock(&rport->mutex); /* disable linestate detect irq and clear its status */ - property_enable(rphy, &rport->port_cfg->ls_det_en, false); - property_enable(rphy, &rport->port_cfg->ls_det_clr, true); + property_enable(rphy->grf, &rport->port_cfg->ls_det_en, false); + property_enable(rphy->grf, &rport->port_cfg->ls_det_clr, true); mutex_unlock(&rport->mutex); @@ -896,13 +922,13 @@ static irqreturn_t rockchip_usb2phy_bvalid_irq(int irq, void *data) struct rockchip_usb2phy_port *rport = data; struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent); - if (!property_enabled(rphy, &rport->port_cfg->bvalid_det_st)) + if (!property_enabled(rphy->grf, &rport->port_cfg->bvalid_det_st)) return IRQ_NONE; mutex_lock(&rport->mutex); /* clear bvalid detect irq pending status */ - property_enable(rphy, &rport->port_cfg->bvalid_det_clr, true); + property_enable(rphy->grf, &rport->port_cfg->bvalid_det_clr, true); mutex_unlock(&rport->mutex); @@ -911,6 +937,17 @@ static irqreturn_t rockchip_usb2phy_bvalid_irq(int irq, void *data) return IRQ_HANDLED; } +static irqreturn_t rockchip_usb2phy_otg_mux_irq(int irq, void *data) +{ + struct rockchip_usb2phy_port *rport = data; + struct rockchip_usb2phy *rphy = dev_get_drvdata(rport->phy->dev.parent); + + if (property_enabled(rphy->grf, &rport->port_cfg->bvalid_det_st)) + return rockchip_usb2phy_bvalid_irq(irq, data); + else + return IRQ_NONE; +} + static int rockchip_usb2phy_host_port_init(struct rockchip_usb2phy *rphy, struct rockchip_usb2phy_port *rport, struct device_node *child_np) @@ -987,27 +1024,50 @@ static int rockchip_usb2phy_otg_port_init(struct rockchip_usb2phy *rphy, rport->utmi_avalid = of_property_read_bool(child_np, "rockchip,utmi-avalid"); - rport->bvalid_irq = of_irq_get_byname(child_np, "otg-bvalid"); - if (rport->bvalid_irq < 0) { - dev_err(rphy->dev, "no vbus valid irq provided\n"); - ret = rport->bvalid_irq; - goto out; - } + /* + * Some SoCs use one interrupt with otg-id/otg-bvalid/linestate + * interrupts muxed together, so probe the otg-mux interrupt first, + * if not found, then look for the regular interrupts one by one. + */ + rport->otg_mux_irq = of_irq_get_byname(child_np, "otg-mux"); + if (rport->otg_mux_irq > 0) { + ret = devm_request_threaded_irq(rphy->dev, rport->otg_mux_irq, + NULL, + rockchip_usb2phy_otg_mux_irq, + IRQF_ONESHOT, + "rockchip_usb2phy_otg", + rport); + if (ret) { + dev_err(rphy->dev, + "failed to request otg-mux irq handle\n"); + goto out; + } + } else { + rport->bvalid_irq = of_irq_get_byname(child_np, "otg-bvalid"); + if (rport->bvalid_irq < 0) { + dev_err(rphy->dev, "no vbus valid irq provided\n"); + ret = rport->bvalid_irq; + goto out; + } - ret = devm_request_threaded_irq(rphy->dev, rport->bvalid_irq, NULL, - rockchip_usb2phy_bvalid_irq, - IRQF_ONESHOT, - "rockchip_usb2phy_bvalid", rport); - if (ret) { - dev_err(rphy->dev, "failed to request otg-bvalid irq handle\n"); - goto out; + ret = devm_request_threaded_irq(rphy->dev, rport->bvalid_irq, + NULL, + rockchip_usb2phy_bvalid_irq, + IRQF_ONESHOT, + "rockchip_usb2phy_bvalid", + rport); + if (ret) { + dev_err(rphy->dev, + "failed to request otg-bvalid irq handle\n"); + goto out; + } } if (!IS_ERR(rphy->edev)) { rport->event_nb.notifier_call = rockchip_otg_event; - ret = extcon_register_notifier(rphy->edev, EXTCON_USB_HOST, - &rport->event_nb); + ret = devm_extcon_register_notifier(rphy->dev, rphy->edev, + EXTCON_USB_HOST, &rport->event_nb); if (ret) dev_err(rphy->dev, "register USB HOST notifier failed\n"); } @@ -1045,6 +1105,16 @@ static int rockchip_usb2phy_probe(struct platform_device *pdev) if (IS_ERR(rphy->grf)) return PTR_ERR(rphy->grf); + if (of_device_is_compatible(np, "rockchip,rv1108-usb2phy")) { + rphy->usbgrf = + syscon_regmap_lookup_by_phandle(dev->of_node, + "rockchip,usbgrf"); + if (IS_ERR(rphy->usbgrf)) + return PTR_ERR(rphy->usbgrf); + } else { + rphy->usbgrf = NULL; + } + if (of_property_read_u32(np, "reg", ®)) { dev_err(dev, "the reg property is not assigned in %s node\n", np->name); @@ -1327,11 +1397,54 @@ static const struct rockchip_usb2phy_cfg rk3399_phy_cfgs[] = { { /* sentinel */ } }; +static const struct rockchip_usb2phy_cfg rv1108_phy_cfgs[] = { + { + .reg = 0x100, + .num_ports = 2, + .clkout_ctl = { 0x108, 4, 4, 1, 0 }, + .port_cfgs = { + [USB2PHY_PORT_OTG] = { + .phy_sus = { 0x0100, 15, 0, 0, 0x1d1 }, + .bvalid_det_en = { 0x0680, 3, 3, 0, 1 }, + .bvalid_det_st = { 0x0690, 3, 3, 0, 1 }, + .bvalid_det_clr = { 0x06a0, 3, 3, 0, 1 }, + .ls_det_en = { 0x0680, 2, 2, 0, 1 }, + .ls_det_st = { 0x0690, 2, 2, 0, 1 }, + .ls_det_clr = { 0x06a0, 2, 2, 0, 1 }, + .utmi_bvalid = { 0x0804, 10, 10, 0, 1 }, + .utmi_ls = { 0x0804, 13, 12, 0, 1 }, + }, + [USB2PHY_PORT_HOST] = { + .phy_sus = { 0x0104, 15, 0, 0, 0x1d1 }, + .ls_det_en = { 0x0680, 4, 4, 0, 1 }, + .ls_det_st = { 0x0690, 4, 4, 0, 1 }, + .ls_det_clr = { 0x06a0, 4, 4, 0, 1 }, + .utmi_ls = { 0x0804, 9, 8, 0, 1 }, + .utmi_hstdet = { 0x0804, 7, 7, 0, 1 } + } + }, + .chg_det = { + .opmode = { 0x0100, 3, 0, 5, 1 }, + .cp_det = { 0x0804, 1, 1, 0, 1 }, + .dcp_det = { 0x0804, 0, 0, 0, 1 }, + .dp_det = { 0x0804, 2, 2, 0, 1 }, + .idm_sink_en = { 0x0108, 8, 8, 0, 1 }, + .idp_sink_en = { 0x0108, 7, 7, 0, 1 }, + .idp_src_en = { 0x0108, 9, 9, 0, 1 }, + .rdm_pdwn_en = { 0x0108, 10, 10, 0, 1 }, + .vdm_src_en = { 0x0108, 12, 12, 0, 1 }, + .vdp_src_en = { 0x0108, 11, 11, 0, 1 }, + }, + }, + { /* sentinel */ } +}; + static const struct of_device_id rockchip_usb2phy_dt_match[] = { { .compatible = "rockchip,rk3228-usb2phy", .data = &rk3228_phy_cfgs }, { .compatible = "rockchip,rk3328-usb2phy", .data = &rk3328_phy_cfgs }, { .compatible = "rockchip,rk3366-usb2phy", .data = &rk3366_phy_cfgs }, { .compatible = "rockchip,rk3399-usb2phy", .data = &rk3399_phy_cfgs }, + { .compatible = "rockchip,rv1108-usb2phy", .data = &rv1108_phy_cfgs }, {} }; MODULE_DEVICE_TABLE(of, rockchip_usb2phy_dt_match); |