From 19844189e4e897982593176ca684b4b64512e2f8 Mon Sep 17 00:00:00 2001 From: Ondrej Jirman Date: Fri, 21 Jun 2024 01:42:38 +0200 Subject: [PATCH 460/484] phy: rockchip: inno-usb2: Add support for RV1106/RV1103 Ported from BSP driver. Signed-off-by: Ondrej Jirman --- drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 133 ++++++++++++++++++ 1 file changed, 133 insertions(+) diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c index b5e6a864deeb..7e0c2f5f6bcc 100644 --- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c +++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c @@ -143,6 +143,7 @@ struct rockchip_usb2phy_port_cfg { struct usb2phy_reg bvalid_det_en; struct usb2phy_reg bvalid_det_st; struct usb2phy_reg bvalid_det_clr; + struct usb2phy_reg bvalid_grf_sel; struct usb2phy_reg disfall_en; struct usb2phy_reg disfall_st; struct usb2phy_reg disfall_clr; @@ -248,6 +249,7 @@ struct rockchip_usb2phy { struct regmap *grf; struct regmap *usbgrf; struct clk_bulk_data *clks; + void __iomem *phy_base; struct clk *clk480m; struct clk_hw clk480m_hw; int num_clks; @@ -1280,6 +1282,7 @@ static int rockchip_usb2phy_otg_port_init(struct rockchip_usb2phy *rphy, struct rockchip_usb2phy_port *rport, struct device_node *child_np) { + struct regmap *base = get_reg_base(rphy); int ret, id; rport->port_id = USB2PHY_PORT_OTG; @@ -1313,6 +1316,23 @@ static int rockchip_usb2phy_otg_port_init(struct rockchip_usb2phy *rphy, goto out; } + /* + * Set the utmi bvalid come from the usb phy or grf. + * For most of Rockchip SoCs, them have VBUSDET pin + * for the usb phy to detect the USB VBUS and set + * the bvalid signal, so select the bvalid from the + * usb phy by default. And for those SoCs which don't + * have VBUSDET pin (e.g. RV1103), it needs to select + * the bvaid from the grf and set bvalid to be valid + * (high) by default. + */ + if (rport->port_cfg->bvalid_grf_sel.enable != 0) { + if (of_machine_is_compatible("rockchip,rv1103")) + property_enable(base, &rport->port_cfg->bvalid_grf_sel, true); + else + property_enable(base, &rport->port_cfg->bvalid_grf_sel, false); + } + if (!IS_ERR(rphy->edev)) { rport->event_nb.notifier_call = rockchip_otg_event; @@ -1384,6 +1404,13 @@ static int rockchip_usb2phy_probe(struct platform_device *pdev) } } + if (of_device_is_compatible(np, "rockchip,rv1106-usb2phy")) { + rphy->phy_base = devm_platform_get_and_ioremap_resource(pdev, 0, NULL); + if (IS_ERR(rphy->phy_base)) + return dev_err_probe(dev, PTR_ERR(rphy->phy_base), + "missing memory resource\n"); + } + rphy->dev = dev; phy_cfgs = device_get_match_data(dev); rphy->chg_state = USB_CHG_STATE_UNDEFINED; @@ -1502,6 +1529,63 @@ put_child: return ret; } +static inline void phy_clear_bits(void __iomem *reg, u32 bits) +{ + u32 tmp = readl(reg); + + tmp &= ~bits; + writel(tmp, reg); +} + +static inline void phy_set_bits(void __iomem *reg, u32 bits) +{ + u32 tmp = readl(reg); + + tmp |= bits; + writel(tmp, reg); +} + +static inline void phy_update_bits(void __iomem *reg, u32 mask, u32 val) +{ + u32 tmp = readl(reg); + + tmp &= ~mask; + tmp |= val & mask; + writel(tmp, reg); +} + +static int rv1106_usb2phy_tuning(struct rockchip_usb2phy *rphy) +{ + /* Always enable pre-emphasis in SOF & EOP & chirp & non-chirp state */ + phy_update_bits(rphy->phy_base + 0x30, GENMASK(2, 0), 0x07); + +// if (rockchip_get_cpu_version()) { +// /* Set Tx HS pre_emphasize strength to 3'b001 */ +// phy_update_bits(rphy->phy_base + 0x40, GENMASK(5, 3), (0x01 << 3)); +// } else { + /* Set Tx HS pre_emphasize strength to 3'b011 */ + phy_update_bits(rphy->phy_base + 0x40, GENMASK(5, 3), (0x03 << 3)); +// } + + /* Set RX Squelch trigger point configure to 4'b0000(112.5 mV) */ + phy_update_bits(rphy->phy_base + 0x64, GENMASK(6, 3), (0x00 << 3)); + + /* Turn off differential receiver by default to save power */ + phy_clear_bits(rphy->phy_base + 0x100, BIT(6)); + + /* Set 45ohm HS ODT value to 5'b10111 to increase driver strength */ + phy_update_bits(rphy->phy_base + 0x11c, GENMASK(4, 0), 0x17); + + /* Set Tx HS eye height tuning to 3'b011(462 mV)*/ + phy_update_bits(rphy->phy_base + 0x124, GENMASK(4, 2), (0x03 << 2)); + + /* Bypass Squelch detector calibration */ + phy_update_bits(rphy->phy_base + 0x1a4, GENMASK(7, 4), (0x01 << 4)); + phy_update_bits(rphy->phy_base + 0x1b4, GENMASK(7, 4), (0x01 << 4)); + + return 0; +} + static int rk3128_usb2phy_tuning(struct rockchip_usb2phy *rphy) { /* Turn off differential receiver in suspend mode */ @@ -2160,6 +2244,54 @@ static const struct rockchip_usb2phy_cfg rk3588_phy_cfgs[] = { { /* sentinel */ } }; +static const struct rockchip_usb2phy_cfg rv1106_phy_cfgs[] = { + { + .reg = 0xff3e0000, + .num_ports = 1, + .phy_tuning = rv1106_usb2phy_tuning, + .clkout_ctl = { 0x0058, 4, 4, 1, 0 }, + .port_cfgs = { + [USB2PHY_PORT_OTG] = { + .phy_sus = { 0x0050, 8, 0, 0, 0x1d1 }, + .bvalid_det_en = { 0x0100, 2, 2, 0, 1 }, + .bvalid_det_st = { 0x0104, 2, 2, 0, 1 }, + .bvalid_det_clr = { 0x0108, 2, 2, 0, 1 }, + .bvalid_grf_sel = { 0x0058, 15, 14, 0, 3 }, + /* + .iddig_output = { 0x0050, 10, 10, 0, 1 }, + .iddig_en = { 0x0050, 9, 9, 0, 1 }, + */ + .idfall_det_en = { 0x0100, 5, 5, 0, 1 }, + .idfall_det_st = { 0x0104, 5, 5, 0, 1 }, + .idfall_det_clr = { 0x0108, 5, 5, 0, 1 }, + .idrise_det_en = { 0x0100, 4, 4, 0, 1 }, + .idrise_det_st = { 0x0104, 4, 4, 0, 1 }, + .idrise_det_clr = { 0x0108, 4, 4, 0, 1 }, + .ls_det_en = { 0x0100, 0, 0, 0, 1 }, + .ls_det_st = { 0x0104, 0, 0, 0, 1 }, + .ls_det_clr = { 0x0108, 0, 0, 0, 1 }, + .utmi_avalid = { 0x0060, 10, 10, 0, 1 }, + .utmi_bvalid = { 0x0060, 9, 9, 0, 1 }, + //.utmi_iddig = { 0x0060, 6, 6, 0, 1 }, + .utmi_ls = { 0x0060, 5, 4, 0, 1 }, + }, + }, + .chg_det = { + //.chg_mode = { 0x0050, 8, 0, 0, 0x1d7 }, + .cp_det = { 0x0060, 13, 13, 0, 1 }, + .dcp_det = { 0x0060, 12, 12, 0, 1 }, + .dp_det = { 0x0060, 14, 14, 0, 1 }, + .idm_sink_en = { 0x0058, 8, 8, 0, 1 }, + .idp_sink_en = { 0x0058, 7, 7, 0, 1 }, + .idp_src_en = { 0x0058, 9, 9, 0, 1 }, + .rdm_pdwn_en = { 0x0058, 10, 10, 0, 1 }, + .vdm_src_en = { 0x0058, 12, 12, 0, 1 }, + .vdp_src_en = { 0x0058, 11, 11, 0, 1 }, + }, + }, + { /* sentinel */ } +}; + static const struct rockchip_usb2phy_cfg rv1108_phy_cfgs[] = { { .reg = 0x100, @@ -2214,6 +2346,7 @@ static const struct of_device_id rockchip_usb2phy_dt_match[] = { { .compatible = "rockchip,rk3576-usb2phy", .data = &rk3576_phy_cfgs }, { .compatible = "rockchip,rk3588-usb2phy", .data = &rk3588_phy_cfgs }, { .compatible = "rockchip,rv1108-usb2phy", .data = &rv1108_phy_cfgs }, + { .compatible = "rockchip,rv1106-usb2phy", .data = &rv1106_phy_cfgs }, {} }; MODULE_DEVICE_TABLE(of, rockchip_usb2phy_dt_match); -- 2.49.0