From 3d7de6e870ece5a32153382df9df6fb87613335e Mon Sep 17 00:00:00 2001 From: William Wu Date: Wed, 16 Oct 2024 15:37:13 +0800 Subject: [PATCH] phy: rockchip: inno-usb2: Add usb2 phys support for rk3576 The RK3576 SoC has two independent USB2.0 PHYs, and each PHY has one port. This adds device specific data for it. Signed-off-by: William Wu Signed-off-by: Frank Wang Reviewed-by: Heiko Stuebner Link: https://lore.kernel.org/r/20241016073713.14133-4-frawang.cn@gmail.com Signed-off-by: Vinod Koul --- drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 103 ++++++++++++++++++ 1 file changed, 103 insertions(+) diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c index f71266c27091..96f3d868a526 100644 --- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c +++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c @@ -1510,6 +1510,30 @@ static int rk3128_usb2phy_tuning(struct rockchip_usb2phy *rphy) BIT(2) << BIT_WRITEABLE_SHIFT | 0); } +static int rk3576_usb2phy_tuning(struct rockchip_usb2phy *rphy) +{ + int ret; + u32 reg = rphy->phy_cfg->reg; + + /* Deassert SIDDQ to power on analog block */ + ret = regmap_write(rphy->grf, reg + 0x0010, GENMASK(29, 29) | 0x0000); + if (ret) + return ret; + + /* Do reset after exit IDDQ mode */ + ret = rockchip_usb2phy_reset(rphy); + if (ret) + return ret; + + /* HS DC Voltage Level Adjustment 4'b1001 : +5.89% */ + ret |= regmap_write(rphy->grf, reg + 0x000c, GENMASK(27, 24) | 0x0900); + + /* HS Transmitter Pre-Emphasis Current Control 2'b10 : 2x */ + ret |= regmap_write(rphy->grf, reg + 0x0010, GENMASK(20, 19) | 0x0010); + + return ret; +} + static int rk3588_usb2phy_tuning(struct rockchip_usb2phy *rphy) { int ret; @@ -1938,6 +1962,84 @@ static const struct rockchip_usb2phy_cfg rk3568_phy_cfgs[] = { { /* sentinel */ } }; +static const struct rockchip_usb2phy_cfg rk3576_phy_cfgs[] = { + { + .reg = 0x0, + .num_ports = 1, + .phy_tuning = rk3576_usb2phy_tuning, + .clkout_ctl = { 0x0008, 0, 0, 1, 0 }, + .port_cfgs = { + [USB2PHY_PORT_OTG] = { + .phy_sus = { 0x0000, 8, 0, 0, 0x1d1 }, + .bvalid_det_en = { 0x00c0, 1, 1, 0, 1 }, + .bvalid_det_st = { 0x00c4, 1, 1, 0, 1 }, + .bvalid_det_clr = { 0x00c8, 1, 1, 0, 1 }, + .ls_det_en = { 0x00c0, 0, 0, 0, 1 }, + .ls_det_st = { 0x00c4, 0, 0, 0, 1 }, + .ls_det_clr = { 0x00c8, 0, 0, 0, 1 }, + .disfall_en = { 0x00c0, 6, 6, 0, 1 }, + .disfall_st = { 0x00c4, 6, 6, 0, 1 }, + .disfall_clr = { 0x00c8, 6, 6, 0, 1 }, + .disrise_en = { 0x00c0, 5, 5, 0, 1 }, + .disrise_st = { 0x00c4, 5, 5, 0, 1 }, + .disrise_clr = { 0x00c8, 5, 5, 0, 1 }, + .utmi_avalid = { 0x0080, 1, 1, 0, 1 }, + .utmi_bvalid = { 0x0080, 0, 0, 0, 1 }, + .utmi_ls = { 0x0080, 5, 4, 0, 1 }, + } + }, + .chg_det = { + .cp_det = { 0x0080, 8, 8, 0, 1 }, + .dcp_det = { 0x0080, 8, 8, 0, 1 }, + .dp_det = { 0x0080, 9, 9, 1, 0 }, + .idm_sink_en = { 0x0010, 5, 5, 1, 0 }, + .idp_sink_en = { 0x0010, 5, 5, 0, 1 }, + .idp_src_en = { 0x0010, 14, 14, 0, 1 }, + .rdm_pdwn_en = { 0x0010, 14, 14, 0, 1 }, + .vdm_src_en = { 0x0010, 7, 6, 0, 3 }, + .vdp_src_en = { 0x0010, 7, 6, 0, 3 }, + }, + }, + { + .reg = 0x2000, + .num_ports = 1, + .phy_tuning = rk3576_usb2phy_tuning, + .clkout_ctl = { 0x2008, 0, 0, 1, 0 }, + .port_cfgs = { + [USB2PHY_PORT_OTG] = { + .phy_sus = { 0x2000, 8, 0, 0, 0x1d1 }, + .bvalid_det_en = { 0x20c0, 1, 1, 0, 1 }, + .bvalid_det_st = { 0x20c4, 1, 1, 0, 1 }, + .bvalid_det_clr = { 0x20c8, 1, 1, 0, 1 }, + .ls_det_en = { 0x20c0, 0, 0, 0, 1 }, + .ls_det_st = { 0x20c4, 0, 0, 0, 1 }, + .ls_det_clr = { 0x20c8, 0, 0, 0, 1 }, + .disfall_en = { 0x20c0, 6, 6, 0, 1 }, + .disfall_st = { 0x20c4, 6, 6, 0, 1 }, + .disfall_clr = { 0x20c8, 6, 6, 0, 1 }, + .disrise_en = { 0x20c0, 5, 5, 0, 1 }, + .disrise_st = { 0x20c4, 5, 5, 0, 1 }, + .disrise_clr = { 0x20c8, 5, 5, 0, 1 }, + .utmi_avalid = { 0x2080, 1, 1, 0, 1 }, + .utmi_bvalid = { 0x2080, 0, 0, 0, 1 }, + .utmi_ls = { 0x2080, 5, 4, 0, 1 }, + } + }, + .chg_det = { + .cp_det = { 0x2080, 8, 8, 0, 1 }, + .dcp_det = { 0x2080, 8, 8, 0, 1 }, + .dp_det = { 0x2080, 9, 9, 1, 0 }, + .idm_sink_en = { 0x2010, 5, 5, 1, 0 }, + .idp_sink_en = { 0x2010, 5, 5, 0, 1 }, + .idp_src_en = { 0x2010, 14, 14, 0, 1 }, + .rdm_pdwn_en = { 0x2010, 14, 14, 0, 1 }, + .vdm_src_en = { 0x2010, 7, 6, 0, 3 }, + .vdp_src_en = { 0x2010, 7, 6, 0, 3 }, + }, + }, + { /* sentinel */ } +}; + static const struct rockchip_usb2phy_cfg rk3588_phy_cfgs[] = { { .reg = 0x0000, @@ -2109,6 +2211,7 @@ static const struct of_device_id rockchip_usb2phy_dt_match[] = { { .compatible = "rockchip,rk3366-usb2phy", .data = &rk3366_phy_cfgs }, { .compatible = "rockchip,rk3399-usb2phy", .data = &rk3399_phy_cfgs }, { .compatible = "rockchip,rk3568-usb2phy", .data = &rk3568_phy_cfgs }, + { .compatible = "rockchip,rk3576-usb2phy", .data = &rk3576_phy_cfgs }, { .compatible = "rockchip,rk3588-usb2phy", .data = &rk3588_phy_cfgs }, { .compatible = "rockchip,rv1108-usb2phy", .data = &rv1108_phy_cfgs }, {}