Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2024-12-29 09:12:07 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

phy: rockchip: inno-usb2: Add usb2 phys support for rk3576

Browse Source 
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>
This commit is contained in:
William Wu 2024-10-16 15:37:13 +08:00 committed by Vinod Koul
parent 0217f4aef0
commit 3d7de6e870
1 changed files with 103 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

103
drivers/phy/rockchip/phy-rockchip-inno-usb2.c
View File

@ -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 },
{}