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| author | Alex Bee <knaerzche@gmail.com> | 2023-11-19 13:13:37 +0100 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2023-11-27 18:36:29 +0530 |
| commit | 62ff41017e147472b07de6125c3be82ce02a8dd7 (patch) | |
| tree | 22caa1412c5b5e4516ba70edaf65cfc6fd505a61 /drivers/phy | |
| parent | 2fda59099462ee700e424ba3ac928d13ad6389a8 (diff) | |
| download | lwn-62ff41017e147472b07de6125c3be82ce02a8dd7.tar.gz lwn-62ff41017e147472b07de6125c3be82ce02a8dd7.zip | |
phy: phy-rockchip-inno-usb2: Add RK3128 support
Add registers to support the 2-port usb2 phy found in RK312x SoC familiy.
Signed-off-by: Alex Bee <knaerzche@gmail.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20231119121340.109025-3-knaerzche@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/phy')
| -rw-r--r-- | drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c index b5a1d30df83a..4f71373ae6e1 100644 --- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c +++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c @@ -1487,6 +1487,14 @@ put_child: return ret; } +static int rk3128_usb2phy_tuning(struct rockchip_usb2phy *rphy) +{ + /* Turn off differential receiver in suspend mode */ + return regmap_write_bits(rphy->grf, 0x298, + BIT(2) << BIT_WRITEABLE_SHIFT | BIT(2), + BIT(2) << BIT_WRITEABLE_SHIFT | 0); +} + static int rk3588_usb2phy_tuning(struct rockchip_usb2phy *rphy) { int ret; @@ -1536,6 +1544,54 @@ static int rk3588_usb2phy_tuning(struct rockchip_usb2phy *rphy) return ret; } +static const struct rockchip_usb2phy_cfg rk3128_phy_cfgs[] = { + { + .reg = 0x17c, + .num_ports = 2, + .phy_tuning = rk3128_usb2phy_tuning, + .clkout_ctl = { 0x0190, 15, 15, 1, 0 }, + .port_cfgs = { + [USB2PHY_PORT_OTG] = { + .phy_sus = { 0x017c, 8, 0, 0, 0x1d1 }, + .bvalid_det_en = { 0x017c, 14, 14, 0, 1 }, + .bvalid_det_st = { 0x017c, 15, 15, 0, 1 }, + .bvalid_det_clr = { 0x017c, 15, 15, 0, 1 }, + .idfall_det_en = { 0x01a0, 2, 2, 0, 1 }, + .idfall_det_st = { 0x01a0, 3, 3, 0, 1 }, + .idfall_det_clr = { 0x01a0, 3, 3, 0, 1 }, + .idrise_det_en = { 0x01a0, 0, 0, 0, 1 }, + .idrise_det_st = { 0x01a0, 1, 1, 0, 1 }, + .idrise_det_clr = { 0x01a0, 1, 1, 0, 1 }, + .ls_det_en = { 0x017c, 12, 12, 0, 1 }, + .ls_det_st = { 0x017c, 13, 13, 0, 1 }, + .ls_det_clr = { 0x017c, 13, 13, 0, 1 }, + .utmi_bvalid = { 0x014c, 5, 5, 0, 1 }, + .utmi_id = { 0x014c, 8, 8, 0, 1 }, + .utmi_ls = { 0x014c, 7, 6, 0, 1 }, + }, + [USB2PHY_PORT_HOST] = { + .phy_sus = { 0x0194, 8, 0, 0, 0x1d1 }, + .ls_det_en = { 0x0194, 14, 14, 0, 1 }, + .ls_det_st = { 0x0194, 15, 15, 0, 1 }, + .ls_det_clr = { 0x0194, 15, 15, 0, 1 } + } + }, + .chg_det = { + .opmode = { 0x017c, 3, 0, 5, 1 }, + .cp_det = { 0x02c0, 6, 6, 0, 1 }, + .dcp_det = { 0x02c0, 5, 5, 0, 1 }, + .dp_det = { 0x02c0, 7, 7, 0, 1 }, + .idm_sink_en = { 0x0184, 8, 8, 0, 1 }, + .idp_sink_en = { 0x0184, 7, 7, 0, 1 }, + .idp_src_en = { 0x0184, 9, 9, 0, 1 }, + .rdm_pdwn_en = { 0x0184, 10, 10, 0, 1 }, + .vdm_src_en = { 0x0184, 12, 12, 0, 1 }, + .vdp_src_en = { 0x0184, 11, 11, 0, 1 }, + }, + }, + { /* sentinel */ } +}; + static const struct rockchip_usb2phy_cfg rk3228_phy_cfgs[] = { { .reg = 0x760, @@ -2031,6 +2087,7 @@ static const struct rockchip_usb2phy_cfg rv1108_phy_cfgs[] = { static const struct of_device_id rockchip_usb2phy_dt_match[] = { { .compatible = "rockchip,px30-usb2phy", .data = &rk3328_phy_cfgs }, + { .compatible = "rockchip,rk3128-usb2phy", .data = &rk3128_phy_cfgs }, { .compatible = "rockchip,rk3228-usb2phy", .data = &rk3228_phy_cfgs }, { .compatible = "rockchip,rk3308-usb2phy", .data = &rk3308_phy_cfgs }, { .compatible = "rockchip,rk3328-usb2phy", .data = &rk3328_phy_cfgs }, |