Extend qmp_usbc_offsets and qmp_phy_cfg with DP-specific fields,
including register offsets, init tables, and callback hooks. Also
update qmp_usbc struct to track DP-related resources and state.
This enables support for USB/DP switchable Type-C PHYs that operate
in either mode.
Reviewed-by: Dmitry Baryshkov <dmitry.barysh...@oss.qualcomm.com>
Signed-off-by: Xiangxu Yin <xiangxu....@oss.qualcomm.com>
---
drivers/phy/qualcomm/phy-qcom-qmp-usbc.c | 54 +++++++++++++++++++++++++++-----
1 file changed, 46 insertions(+), 8 deletions(-)
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c
b/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c
index
62920dd2aed39bbfddd54ba2682e3d45d65a09c8..de28c3464a40ea97740e16fe78cba4b927911d92
100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c
@@ -293,13 +293,18 @@ struct qmp_usbc_offsets {
/* for PHYs with >= 2 lanes */
u16 tx2;
u16 rx2;
+
+ u16 dp_serdes;
+ u16 dp_txa;
+ u16 dp_txb;
+ u16 dp_dp_phy;
};
-/* struct qmp_phy_cfg - per-PHY initialization config */
+struct qmp_usbc;
struct qmp_phy_cfg {
const struct qmp_usbc_offsets *offsets;
- /* Init sequence for PHY blocks - serdes, tx, rx, pcs */
+ /* Init sequence for USB PHY blocks - serdes, tx, rx, pcs */
const struct qmp_phy_init_tbl *serdes_tbl;
int serdes_tbl_num;
const struct qmp_phy_init_tbl *tx_tbl;
@@ -309,6 +314,27 @@ struct qmp_phy_cfg {
const struct qmp_phy_init_tbl *pcs_tbl;
int pcs_tbl_num;
+ /* Init sequence for DP PHY blocks - serdes, tx, rbr, hbr, hbr2 */
+ const struct qmp_phy_init_tbl *dp_serdes_tbl;
+ int dp_serdes_tbl_num;
+ const struct qmp_phy_init_tbl *dp_tx_tbl;
+ int dp_tx_tbl_num;
+ const struct qmp_phy_init_tbl *serdes_tbl_rbr;
+ int serdes_tbl_rbr_num;
+ const struct qmp_phy_init_tbl *serdes_tbl_hbr;
+ int serdes_tbl_hbr_num;
+ const struct qmp_phy_init_tbl *serdes_tbl_hbr2;
+ int serdes_tbl_hbr2_num;
+
+ const u8 (*swing_tbl)[4][4];
+ const u8 (*pre_emphasis_tbl)[4][4];
+
+ /* DP PHY callbacks */
+ void (*dp_aux_init)(struct qmp_usbc *qmp);
+ void (*configure_dp_tx)(struct qmp_usbc *qmp);
+ int (*configure_dp_phy)(struct qmp_usbc *qmp);
+ int (*calibrate_dp_phy)(struct qmp_usbc *qmp);
+
/* regulators to be requested */
const char * const *vreg_list;
int num_vregs;
@@ -329,24 +355,36 @@ struct qmp_usbc {
void __iomem *rx;
void __iomem *tx2;
void __iomem *rx2;
-
- struct regmap *tcsr_map;
- u32 vls_clamp_reg;
+ void __iomem *dp_dp_phy;
+ void __iomem *dp_tx;
+ void __iomem *dp_tx2;
+ void __iomem *dp_serdes;
struct clk *pipe_clk;
+ struct clk_fixed_rate pipe_clk_fixed;
+
+ struct clk_hw dp_link_hw;
+ struct clk_hw dp_pixel_hw;
struct clk_bulk_data *clks;
int num_clks;
int num_resets;
struct reset_control_bulk_data *resets;
struct regulator_bulk_data *vregs;
+ struct regmap *tcsr_map;
+ u32 vls_clamp_reg;
+ u32 dp_phy_mode_reg;
+
struct mutex phy_mutex;
struct phy *usb_phy;
enum phy_mode mode;
unsigned int usb_init_count;
- struct clk_fixed_rate pipe_clk_fixed;
+ struct phy *dp_phy;
+ unsigned int dp_aux_cfg;
+ struct phy_configure_opts_dp dp_opts;
+ unsigned int dp_init_count;
struct typec_switch_dev *sw;
enum typec_orientation orientation;
@@ -689,7 +727,7 @@ static int __maybe_unused qmp_usbc_runtime_suspend(struct
device *dev)
dev_vdbg(dev, "Suspending QMP phy, mode:%d\n", qmp->mode);
- if (!qmp->usb_init_count) {
+ if (!qmp->usb_init_count && !qmp->dp_init_count) {
dev_vdbg(dev, "PHY not initialized, bailing out\n");
return 0;
}
@@ -709,7 +747,7 @@ static int __maybe_unused qmp_usbc_runtime_resume(struct
device *dev)
dev_vdbg(dev, "Resuming QMP phy, mode:%d\n", qmp->mode);
- if (!qmp->usb_init_count) {
+ if (!qmp->usb_init_count && !qmp->dp_init_count) {
dev_vdbg(dev, "PHY not initialized, bailing out\n");
return 0;
}
--
2.34.1
