[PATCH 5/5] phy: qcom: edp: Add SC8280XP eDP and DP PHYs

Bjorn Andersson
2022-08-10T04:05:19Z

The Qualcomm SC8280XP platform has a number of eDP and DP PHY instances,
add support for these.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---
drivers/phy/qualcomm/phy-qcom-edp.c | 74 +++++++++++++++++++++++++++++
1 file changed, 74 insertions(+)

diff --git a/drivers/phy/qualcomm/phy-qcom-edp.c b/drivers/phy/qualcomm/phy-qcom-edp.c
index 301ac422d2fe..de696108cf6e 100644
--- a/drivers/phy/qualcomm/phy-qcom-edp.c
+++ b/drivers/phy/qualcomm/phy-qcom-edp.c
@@ -100,6 +100,78 @@ struct qcom_edp {
struct regulator_bulk_data supplies[2];
};

+static const u8 dp_swing_hbr_rbr[4][4] = {
+ { 0x08, 0x0f, 0x16, 0x1f },
+ { 0x11, 0x1e, 0x1f, 0xff },
+ { 0x16, 0x1f, 0xff, 0xff },
+ { 0x1f, 0xff, 0xff, 0xff }
+};
+
+static const u8 dp_pre_emp_hbr_rbr[4][4] = {
+ { 0x00, 0x0d, 0x14, 0x1a },
+ { 0x00, 0x0e, 0x15, 0xff },
+ { 0x00, 0x0e, 0xff, 0xff },
+ { 0x03, 0xff, 0xff, 0xff }
+};
+
+static const u8 dp_swing_hbr2_hbr3[4][4] = {
+ { 0x02, 0x12, 0x16, 0x1a },
+ { 0x09, 0x19, 0x1f, 0xff },
+ { 0x10, 0x1f, 0xff, 0xff },
+ { 0x1f, 0xff, 0xff, 0xff }
+};
+
+static const u8 dp_pre_emp_hbr2_hbr3[4][4] = {
+ { 0x00, 0x0c, 0x15, 0x1b },
+ { 0x02, 0x0e, 0x16, 0xff },
+ { 0x02, 0x11, 0xff, 0xff },
+ { 0x04, 0xff, 0xff, 0xff }
+};
+
+static const struct qcom_edp_cfg dp_phy_cfg = {
+ .is_dp = true,
+ .swing_hbr_rbr = &dp_swing_hbr_rbr,
+ .swing_hbr3_hbr2 = &dp_swing_hbr2_hbr3,
+ .pre_emphasis_hbr_rbr = &dp_pre_emp_hbr_rbr,
+ .pre_emphasis_hbr3_hbr2 = &dp_pre_emp_hbr2_hbr3,
+};
+
+static const u8 edp_swing_hbr_rbr[4][4] = {
+ { 0x07, 0x0f, 0x16, 0x1f },
+ { 0x0d, 0x16, 0x1e, 0xff },
+ { 0x11, 0x1b, 0xff, 0xff },
+ { 0x16, 0xff, 0xff, 0xff }
+};
+
+static const u8 edp_pre_emp_hbr_rbr[4][4] = {
+ { 0x05, 0x12, 0x17, 0x1d },
+ { 0x05, 0x11, 0x18, 0xff },
+ { 0x06, 0x11, 0xff, 0xff },
+ { 0x00, 0xff, 0xff, 0xff }
+};
+
+static const u8 edp_swing_hbr2_hbr3[4][4] = {
+ { 0x0b, 0x11, 0x17, 0x1c },
+ { 0x10, 0x19, 0x1f, 0xff },
+ { 0x19, 0x1f, 0xff, 0xff },
+ { 0x1f, 0xff, 0xff, 0xff }
+};
+
+static const u8 edp_pre_emp_hbr2_hbr3[4][4] = {
+ { 0x08, 0x11, 0x17, 0x1b },
+ { 0x00, 0x0c, 0x13, 0xff },
+ { 0x05, 0x10, 0xff, 0xff },
+ { 0x00, 0xff, 0xff, 0xff }
+};
+
+static const struct qcom_edp_cfg edp_phy_cfg = {
+ .is_dp = false,
+ .swing_hbr_rbr = &edp_swing_hbr_rbr,
+ .swing_hbr3_hbr2 = &edp_swing_hbr2_hbr3,
+ .pre_emphasis_hbr_rbr = &edp_pre_emp_hbr_rbr,
+ .pre_emphasis_hbr3_hbr2 = &edp_pre_emp_hbr2_hbr3,
+};
+
static int qcom_edp_phy_init(struct phy *phy)
{
struct qcom_edp *edp = phy_get_drvdata(phy);
@@ -767,6 +839,8 @@ static int qcom_edp_phy_probe(struct platform_device *pdev)
static const struct of_device_id qcom_edp_phy_match_table[] = {
{ .compatible = "qcom,sc7280-edp-phy" },
{ .compatible = "qcom,sc8180x-edp-phy" },
+ { .compatible = "qcom,sc8280xp-dp-phy", .data = &dp_phy_cfg },
+ { .compatible = "qcom,sc8280xp-edp-phy", .data = &edp_phy_cfg },
{ }
};
MODULE_DEVICE_TABLE(of, qcom_edp_phy_match_table);