[PATCH v2 1/4] phy: rockchip: inno-usb2: Add usb2 phy support for RK3368

WeiHao Li
2025-09-09T13:31:08Z

RK3368 has one USB2.0 PHY with two ports. This adds device specific data
for it. Device specific data get form rockchip downstream source [1].

[1] https://github.com/rockchip-linux/kernel/blob/develop-4.4/drivers/phy/rockchip/phy-rockchip-inno-usb2.c#L2805

Signed-off-by: WeiHao Li <cn.liweihao@gmail.com>
---
drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 48 +++++++++++++++++++
1 file changed, 48 insertions(+)

diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
index b0f23690ec..df574337d4 100644
--- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
+++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
@@ -1847,6 +1847,53 @@ static const struct rockchip_usb2phy_cfg rk3366_phy_cfgs[] = {
{ /* sentinel */ }
};

+static const struct rockchip_usb2phy_cfg rk3368_phy_cfgs[] = {
+ {
+ .reg = 0x700,
+ .num_ports = 2,
+ .clkout_ctl = { 0x0724, 15, 15, 1, 0 },
+ .port_cfgs = {
+ [USB2PHY_PORT_OTG] = {
+ .phy_sus = { 0x0700, 8, 0, 0, 0x1d1 },
+ .bvalid_det_en = { 0x0680, 3, 3, 0, 1 },
+ .bvalid_det_st = { 0x0690, 3, 3, 0, 1 },
+ .bvalid_det_clr = { 0x06a0, 3, 3, 0, 1 },
+ .idfall_det_en = { 0x0680, 6, 6, 0, 1 },
+ .idfall_det_st = { 0x0690, 6, 6, 0, 1 },
+ .idfall_det_clr = { 0x06a0, 6, 6, 0, 1 },
+ .idrise_det_en = { 0x0680, 5, 5, 0, 1 },
+ .idrise_det_st = { 0x0690, 5, 5, 0, 1 },
+ .idrise_det_clr = { 0x06a0, 5, 5, 0, 1 },
+ .ls_det_en = { 0x0680, 2, 2, 0, 1 },
+ .ls_det_st = { 0x0690, 2, 2, 0, 1 },
+ .ls_det_clr = { 0x06a0, 2, 2, 0, 1 },
+ .utmi_bvalid = { 0x04bc, 23, 23, 0, 1 },
+ .utmi_id = { 0x04bc, 26, 26, 0, 1 },
+ .utmi_ls = { 0x04bc, 25, 24, 0, 1 },
+ },
+ [USB2PHY_PORT_HOST] = {
+ .phy_sus = { 0x0728, 8, 0, 0, 0x1d1 },
+ .ls_det_en = { 0x0680, 4, 4, 0, 1 },
+ .ls_det_st = { 0x0690, 4, 4, 0, 1 },
+ .ls_det_clr = { 0x06a0, 4, 4, 0, 1 }
+ }
+ },
+ .chg_det = {
+ .opmode = { 0x0700, 8, 0, 0, 0x1d7 },
+ .cp_det = { 0x04b8, 30, 30, 0, 1 },
+ .dcp_det = { 0x04b8, 29, 29, 0, 1 },
+ .dp_det = { 0x04b8, 31, 31, 0, 1 },
+ .idm_sink_en = { 0x0718, 8, 8, 0, 1 },
+ .idp_sink_en = { 0x0718, 7, 7, 0, 1 },
+ .idp_src_en = { 0x0718, 9, 9, 0, 1 },
+ .rdm_pdwn_en = { 0x0718, 10, 10, 0, 1 },
+ .vdm_src_en = { 0x0718, 12, 12, 0, 1 },
+ .vdp_src_en = { 0x0718, 11, 11, 0, 1 },
+ },
+ },
+ { /* sentinel */ }
+};
+
static const struct rockchip_usb2phy_cfg rk3399_phy_cfgs[] = {
{
.reg = 0xe450,
@@ -2289,6 +2336,7 @@ static const struct of_device_id rockchip_usb2phy_dt_match[] = {
{ .compatible = "rockchip,rk3308-usb2phy", .data = &rk3308_phy_cfgs },
{ .compatible = "rockchip,rk3328-usb2phy", .data = &rk3328_phy_cfgs },
{ .compatible = "rockchip,rk3366-usb2phy", .data = &rk3366_phy_cfgs },
+ { .compatible = "rockchip,rk3368-usb2phy", .data = &rk3368_phy_cfgs },
{ .compatible = "rockchip,rk3399-usb2phy", .data = &rk3399_phy_cfgs },
{ .compatible = "rockchip,rk3562-usb2phy", .data = &rk3562_phy_cfgs },
{ .compatible = "rockchip,rk3568-usb2phy", .data = &rk3568_phy_cfgs },
--
2.47.2