[PATCH v3 8/8] phy: rockchip: usbdp: Add support for RK3576
Jonas Karlman
jonas at kwiboo.se
Fri Aug 1 22:32:44 CEST 2025
From: Frank Wang <frank.wang at rock-chips.com>
Add support for the USB3.0+DP PHY used in the RK3576 SoC.
Config values are taken from vendor U-Boot linux-6.1-stan-rkr5 tag.
Signed-off-by: Frank Wang <frank.wang at rock-chips.com>
Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
---
v3: New patch
---
drivers/phy/rockchip/phy-rockchip-usbdp.c | 26 +++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/drivers/phy/rockchip/phy-rockchip-usbdp.c b/drivers/phy/rockchip/phy-rockchip-usbdp.c
index 6cfbef02b4ac..cca67dd3611d 100644
--- a/drivers/phy/rockchip/phy-rockchip-usbdp.c
+++ b/drivers/phy/rockchip/phy-rockchip-usbdp.c
@@ -762,6 +762,28 @@ static const char * const rk3588_udphy_rst_l[] = {
"init", "cmn", "lane", "pcs_apb", "pma_apb"
};
+static const struct rockchip_udphy_cfg rk3576_udphy_cfgs = {
+ .num_phys = 1,
+ .phy_ids = {
+ 0x2b010000,
+ },
+ .num_rsts = ARRAY_SIZE(rk3588_udphy_rst_l),
+ .rst_list = rk3588_udphy_rst_l,
+ .grfcfg = {
+ /* u2phy-grf */
+ .bvalid_phy_con = { 0x0010, 1, 0, 0x2, 0x3 },
+ .bvalid_grf_con = { 0x0000, 15, 14, 0x1, 0x3 },
+
+ /* usb-grf */
+ .usb3otg0_cfg = { 0x0030, 15, 0, 0x1100, 0x0188 },
+
+ /* usbdpphy-grf */
+ .low_pwrn = { 0x0004, 13, 13, 0, 1 },
+ .rx_lfps = { 0x0004, 14, 14, 0, 1 },
+ },
+ .combophy_init = rk3588_udphy_init,
+};
+
static const struct rockchip_udphy_cfg rk3588_udphy_cfgs = {
.num_phys = 2,
.phy_ids = {
@@ -787,6 +809,10 @@ static const struct rockchip_udphy_cfg rk3588_udphy_cfgs = {
};
static const struct udevice_id rockchip_udphy_dt_match[] = {
+ {
+ .compatible = "rockchip,rk3576-usbdp-phy",
+ .data = (ulong)&rk3576_udphy_cfgs
+ },
{
.compatible = "rockchip,rk3588-usbdp-phy",
.data = (ulong)&rk3588_udphy_cfgs
--
2.50.1
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