Add support for eDP PHY v5 found on the Qualcomm SA8775P platform.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Signed-off-by: Soutrik Mukhopadhyay <quic_mukhopad@xxxxxxxxxxx>
---
v2: Fixed review comments from Dmitry
- Reused edp_swing_hbr_rbr and edp_swing_hbr2_hbr3 for v5.
v3: No change
v4: No change
---
drivers/phy/qualcomm/phy-qcom-edp.c | 33 +++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/drivers/phy/qualcomm/phy-qcom-edp.c b/drivers/phy/qualcomm/phy-qcom-edp.c
index 2ecff164ec44..f1b51018683d 100644
--- a/drivers/phy/qualcomm/phy-qcom-edp.c
+++ b/drivers/phy/qualcomm/phy-qcom-edp.c
@@ -183,6 +183,31 @@ static const u8 edp_phy_aux_cfg_v4[10] = {
0x00, 0x13, 0x24, 0x00, 0x0a, 0x26, 0x0a, 0x03, 0x37, 0x03
};
+static const u8 edp_pre_emp_hbr_rbr_v5[4][4] = {
+ { 0x05, 0x11, 0x17, 0x1d },
+ { 0x05, 0x11, 0x18, 0xff },
+ { 0x06, 0x11, 0xff, 0xff },
+ { 0x00, 0xff, 0xff, 0xff }
+};
+
+static const u8 edp_pre_emp_hbr2_hbr3_v5[4][4] = {
+ { 0x0c, 0x15, 0x19, 0x1e },
+ { 0x0b, 0x15, 0x19, 0xff },
+ { 0x0e, 0x14, 0xff, 0xff },
+ { 0x0d, 0xff, 0xff, 0xff }
+};
+
+static const struct qcom_edp_swing_pre_emph_cfg edp_phy_swing_pre_emph_cfg_v5 = {
+ .swing_hbr_rbr = &edp_swing_hbr_rbr,
+ .swing_hbr3_hbr2 = &edp_swing_hbr2_hbr3,
+ .pre_emphasis_hbr_rbr = &edp_pre_emp_hbr_rbr_v5,
+ .pre_emphasis_hbr3_hbr2 = &edp_pre_emp_hbr2_hbr3_v5,
+};
+
+static const u8 edp_phy_aux_cfg_v5[10] = {
+ 0x00, 0x13, 0xa4, 0x00, 0x0a, 0x26, 0x0a, 0x03, 0x37, 0x03
+};
+
static int qcom_edp_phy_init(struct phy *phy)
{
struct qcom_edp *edp = phy_get_drvdata(phy);
@@ -507,6 +532,13 @@ static const struct phy_ver_ops qcom_edp_phy_ops_v4 = {
.com_configure_ssc = qcom_edp_com_configure_ssc_v4,
};
+static const struct qcom_edp_phy_cfg sa8775p_dp_phy_cfg = {
+ .is_edp = false,
+ .aux_cfg = edp_phy_aux_cfg_v5,
+ .swing_pre_emph_cfg = &edp_phy_swing_pre_emph_cfg_v5,
+ .ver_ops = &qcom_edp_phy_ops_v4,
+};
+
static const struct qcom_edp_phy_cfg sc7280_dp_phy_cfg = {
.aux_cfg = edp_phy_aux_cfg_v4,
.ver_ops = &qcom_edp_phy_ops_v4,
@@ -1101,6 +1133,7 @@ static int qcom_edp_phy_probe(struct platform_device *pdev)
}
static const struct of_device_id qcom_edp_phy_match_table[] = {
+ { .compatible = "qcom,sa8775p-edp-phy", .data = &sa8775p_dp_phy_cfg, },
{ .compatible = "qcom,sc7280-edp-phy", .data = &sc7280_dp_phy_cfg, },
{ .compatible = "qcom,sc8180x-edp-phy", .data = &sc7280_dp_phy_cfg, },
{ .compatible = "qcom,sc8280xp-dp-phy", .data = &sc8280xp_dp_phy_cfg, },
--
2.17.1
