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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 <william.wu@rock-chips.com>
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20241016073713.14133-4-frawang.cn@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
authored by
William Wu
and committed by
Vinod Koul
3d7de6e8
0217f4ae
+103
+103
drivers/phy/rockchip/phy-rockchip-inno-usb2.c
+103
drivers/phy/rockchip/phy-rockchip-inno-usb2.c
···
1510
1510
BIT(2) << BIT_WRITEABLE_SHIFT | 0);
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}
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1512
1513
+
static int rk3576_usb2phy_tuning(struct rockchip_usb2phy *rphy)
1514
+
{
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int ret;
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+
u32 reg = rphy->phy_cfg->reg;
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+
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+
/* Deassert SIDDQ to power on analog block */
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ret = regmap_write(rphy->grf, reg + 0x0010, GENMASK(29, 29) | 0x0000);
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+
if (ret)
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return ret;
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+
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+
/* Do reset after exit IDDQ mode */
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ret = rockchip_usb2phy_reset(rphy);
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+
if (ret)
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+
return ret;
1527
+
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+
/* HS DC Voltage Level Adjustment 4'b1001 : +5.89% */
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+
ret |= regmap_write(rphy->grf, reg + 0x000c, GENMASK(27, 24) | 0x0900);
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+
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+
/* HS Transmitter Pre-Emphasis Current Control 2'b10 : 2x */
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+
ret |= regmap_write(rphy->grf, reg + 0x0010, GENMASK(20, 19) | 0x0010);
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+
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return ret;
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+
}
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+
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static int rk3588_usb2phy_tuning(struct rockchip_usb2phy *rphy)
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{
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int ret;
···
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{ /* sentinel */ }
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};
1964
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+
static const struct rockchip_usb2phy_cfg rk3576_phy_cfgs[] = {
1942
+
{
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+
.reg = 0x0,
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+
.num_ports = 1,
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+
.phy_tuning = rk3576_usb2phy_tuning,
1946
+
.clkout_ctl = { 0x0008, 0, 0, 1, 0 },
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+
.port_cfgs = {
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+
[USB2PHY_PORT_OTG] = {
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+
.phy_sus = { 0x0000, 8, 0, 0, 0x1d1 },
1950
+
.bvalid_det_en = { 0x00c0, 1, 1, 0, 1 },
1951
+
.bvalid_det_st = { 0x00c4, 1, 1, 0, 1 },
1952
+
.bvalid_det_clr = { 0x00c8, 1, 1, 0, 1 },
1953
+
.ls_det_en = { 0x00c0, 0, 0, 0, 1 },
1954
+
.ls_det_st = { 0x00c4, 0, 0, 0, 1 },
1955
+
.ls_det_clr = { 0x00c8, 0, 0, 0, 1 },
1956
+
.disfall_en = { 0x00c0, 6, 6, 0, 1 },
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+
.disfall_st = { 0x00c4, 6, 6, 0, 1 },
1958
+
.disfall_clr = { 0x00c8, 6, 6, 0, 1 },
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+
.disrise_en = { 0x00c0, 5, 5, 0, 1 },
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+
.disrise_st = { 0x00c4, 5, 5, 0, 1 },
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+
.disrise_clr = { 0x00c8, 5, 5, 0, 1 },
1962
+
.utmi_avalid = { 0x0080, 1, 1, 0, 1 },
1963
+
.utmi_bvalid = { 0x0080, 0, 0, 0, 1 },
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+
.utmi_ls = { 0x0080, 5, 4, 0, 1 },
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+
}
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+
},
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+
.chg_det = {
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+
.cp_det = { 0x0080, 8, 8, 0, 1 },
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+
.dcp_det = { 0x0080, 8, 8, 0, 1 },
1970
+
.dp_det = { 0x0080, 9, 9, 1, 0 },
1971
+
.idm_sink_en = { 0x0010, 5, 5, 1, 0 },
1972
+
.idp_sink_en = { 0x0010, 5, 5, 0, 1 },
1973
+
.idp_src_en = { 0x0010, 14, 14, 0, 1 },
1974
+
.rdm_pdwn_en = { 0x0010, 14, 14, 0, 1 },
1975
+
.vdm_src_en = { 0x0010, 7, 6, 0, 3 },
1976
+
.vdp_src_en = { 0x0010, 7, 6, 0, 3 },
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+
},
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+
},
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+
{
1980
+
.reg = 0x2000,
1981
+
.num_ports = 1,
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+
.phy_tuning = rk3576_usb2phy_tuning,
1983
+
.clkout_ctl = { 0x2008, 0, 0, 1, 0 },
1984
+
.port_cfgs = {
1985
+
[USB2PHY_PORT_OTG] = {
1986
+
.phy_sus = { 0x2000, 8, 0, 0, 0x1d1 },
1987
+
.bvalid_det_en = { 0x20c0, 1, 1, 0, 1 },
1988
+
.bvalid_det_st = { 0x20c4, 1, 1, 0, 1 },
1989
+
.bvalid_det_clr = { 0x20c8, 1, 1, 0, 1 },
1990
+
.ls_det_en = { 0x20c0, 0, 0, 0, 1 },
1991
+
.ls_det_st = { 0x20c4, 0, 0, 0, 1 },
1992
+
.ls_det_clr = { 0x20c8, 0, 0, 0, 1 },
1993
+
.disfall_en = { 0x20c0, 6, 6, 0, 1 },
1994
+
.disfall_st = { 0x20c4, 6, 6, 0, 1 },
1995
+
.disfall_clr = { 0x20c8, 6, 6, 0, 1 },
1996
+
.disrise_en = { 0x20c0, 5, 5, 0, 1 },
1997
+
.disrise_st = { 0x20c4, 5, 5, 0, 1 },
1998
+
.disrise_clr = { 0x20c8, 5, 5, 0, 1 },
1999
+
.utmi_avalid = { 0x2080, 1, 1, 0, 1 },
2000
+
.utmi_bvalid = { 0x2080, 0, 0, 0, 1 },
2001
+
.utmi_ls = { 0x2080, 5, 4, 0, 1 },
2002
+
}
2003
+
},
2004
+
.chg_det = {
2005
+
.cp_det = { 0x2080, 8, 8, 0, 1 },
2006
+
.dcp_det = { 0x2080, 8, 8, 0, 1 },
2007
+
.dp_det = { 0x2080, 9, 9, 1, 0 },
2008
+
.idm_sink_en = { 0x2010, 5, 5, 1, 0 },
2009
+
.idp_sink_en = { 0x2010, 5, 5, 0, 1 },
2010
+
.idp_src_en = { 0x2010, 14, 14, 0, 1 },
2011
+
.rdm_pdwn_en = { 0x2010, 14, 14, 0, 1 },
2012
+
.vdm_src_en = { 0x2010, 7, 6, 0, 3 },
2013
+
.vdp_src_en = { 0x2010, 7, 6, 0, 3 },
2014
+
},
2015
+
},
2016
+
{ /* sentinel */ }
2017
+
};
2018
+
1965
2019
static const struct rockchip_usb2phy_cfg rk3588_phy_cfgs[] = {
1966
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{
1967
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.reg = 0x0000,
···
2211
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{ .compatible = "rockchip,rk3366-usb2phy", .data = &rk3366_phy_cfgs },
2212
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{ .compatible = "rockchip,rk3399-usb2phy", .data = &rk3399_phy_cfgs },
2213
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{ .compatible = "rockchip,rk3568-usb2phy", .data = &rk3568_phy_cfgs },
2112
+
{ .compatible = "rockchip,rk3576-usb2phy", .data = &rk3576_phy_cfgs },
2214
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{ .compatible = "rockchip,rk3588-usb2phy", .data = &rk3588_phy_cfgs },
2215
2114
{ .compatible = "rockchip,rv1108-usb2phy", .data = &rv1108_phy_cfgs },
2216
2115
{}