diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c index cb485829dfaa..0536c08e216e 100644 --- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c +++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c @@ -2741,6 +2741,34 @@ static int rk3528_usb2phy_tuning(struct rockchip_usb2phy *rphy) return ret; } +static int rk3562_usb2phy_tuning(struct rockchip_usb2phy *rphy) +{ + int ret = 0; + + /* Turn off differential receiver by default to save power */ + phy_clear_bits(rphy->phy_base + 0x0030, BIT(2)); + phy_clear_bits(rphy->phy_base + 0x0430, BIT(2)); + + /* Enable pre-emphasis during non-chirp phase */ + phy_update_bits(rphy->phy_base, GENMASK(2, 0), 0x04); + phy_update_bits(rphy->phy_base + 0x0400, GENMASK(2, 0), 0x04); + + /* Set HS eye height to 425mv(default is 400mv) */ + phy_update_bits(rphy->phy_base + 0x0030, GENMASK(6, 4), (0x05 << 4)); + phy_update_bits(rphy->phy_base + 0x0430, GENMASK(6, 4), (0x05 << 4)); + + /* Set the bvalid filter time to 10ms based on the u2phy grf pclk 100MHz */ + ret |= regmap_write(rphy->grf, 0x0138, FILTER_COUNTER); + + /* Set the id filter time to 10ms based on the u2phy grf pclk 100MHz */ + ret |= regmap_write(rphy->grf, 0x013c, FILTER_COUNTER); + + /* Enable host port wakeup irq */ + ret |= regmap_write(rphy->grf, 0x010c, 0x80008000); + + return ret; +} + static int rk3568_usb2phy_tuning(struct rockchip_usb2phy *rphy) { int ret = 0; @@ -3626,6 +3654,65 @@ static const struct rockchip_usb2phy_cfg rk3528_phy_cfgs[] = { } }; +static const struct rockchip_usb2phy_cfg rk3562_phy_cfgs[] = { + { + .reg = 0xff740000, + .num_ports = 2, + .phy_tuning = rk3562_usb2phy_tuning, + .vbus_detect = rockchip_usb2phy_vbus_det_control, + .clkout_ctl = { 0x0108, 4, 4, 1, 0 }, + .ls_filter_con = { 0x0130, 19, 0, 0x30100, 0x00020 }, + .port_cfgs = { + [USB2PHY_PORT_OTG] = { + .phy_sus = { 0x0100, 8, 0, 0, 0x1d1 }, + .bvalid_det_en = { 0x0110, 2, 2, 0, 1 }, + .bvalid_det_st = { 0x0114, 2, 2, 0, 1 }, + .bvalid_det_clr = { 0x0118, 2, 2, 0, 1 }, + .bvalid_grf_sel = { 0x0108, 15, 14, 0, 3 }, + .bypass_dm_en = { 0x0108, 2, 2, 0, 1}, + .bypass_sel = { 0x0108, 3, 3, 0, 1}, + .iddig_output = { 0x0100, 10, 10, 0, 1 }, + .iddig_en = { 0x0100, 9, 9, 0, 1 }, + .idfall_det_en = { 0x0110, 5, 5, 0, 1 }, + .idfall_det_st = { 0x0114, 5, 5, 0, 1 }, + .idfall_det_clr = { 0x0118, 5, 5, 0, 1 }, + .idrise_det_en = { 0x0110, 4, 4, 0, 1 }, + .idrise_det_st = { 0x0114, 4, 4, 0, 1 }, + .idrise_det_clr = { 0x0118, 4, 4, 0, 1 }, + .ls_det_en = { 0x0110, 0, 0, 0, 1 }, + .ls_det_st = { 0x0114, 0, 0, 0, 1 }, + .ls_det_clr = { 0x0118, 0, 0, 0, 1 }, + .utmi_avalid = { 0x0120, 10, 10, 0, 1 }, + .utmi_bvalid = { 0x0120, 9, 9, 0, 1 }, + .utmi_iddig = { 0x0120, 6, 6, 0, 1 }, + .utmi_ls = { 0x0120, 5, 4, 0, 1 }, + .vbus_det_en = { 0x003c, 7, 7, 0, 1 }, + }, + [USB2PHY_PORT_HOST] = { + .phy_sus = { 0x0104, 8, 0, 0x1d2, 0x1d1 }, + .ls_det_en = { 0x0110, 1, 1, 0, 1 }, + .ls_det_st = { 0x0114, 1, 1, 0, 1 }, + .ls_det_clr = { 0x0118, 1, 1, 0, 1 }, + .utmi_ls = { 0x0120, 17, 16, 0, 1 }, + .utmi_hstdet = { 0x0120, 19, 19, 0, 1 } + } + }, + .chg_det = { + .chg_mode = { 0x0100, 8, 0, 0, 0x1d7 }, + .cp_det = { 0x0120, 24, 24, 0, 1 }, + .dcp_det = { 0x0120, 23, 23, 0, 1 }, + .dp_det = { 0x0120, 25, 25, 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 rockchip_usb2phy_cfg rk3568_phy_cfgs[] = { { .reg = 0xfe8a0000, @@ -3986,6 +4073,9 @@ static const struct of_device_id rockchip_usb2phy_dt_match[] = { #ifdef CONFIG_CPU_RK3528 { .compatible = "rockchip,rk3528-usb2phy", .data = &rk3528_phy_cfgs }, #endif +#ifdef CONFIG_CPU_RK3562 + { .compatible = "rockchip,rk3562-usb2phy", .data = &rk3562_phy_cfgs }, +#endif #ifdef CONFIG_CPU_RK3568 { .compatible = "rockchip,rk3568-usb2phy", .data = &rk3568_phy_cfgs }, #endif