diff mbox series

[v2,3/5] phy: qcom: edp: Add support for eDP PHY on SA8775P

Message ID 20240913103755.7290-4-quic_mukhopad@quicinc.com
State New
Headers show
Series Add support for DisplayPort on SA8775P platform | expand

Commit Message

Soutrik Mukhopadhyay Sept. 13, 2024, 10:37 a.m. UTC 
Add support for eDP PHY v5 found on the Qualcomm SA8775P platform.

Signed-off-by: Soutrik Mukhopadhyay <quic_mukhopad@quicinc.com>
---
v2: Fixed review comments from Dmitry
	- Reused edp_swing_hbr_rbr and edp_swing_hbr2_hbr3 for v5.

---
 drivers/phy/qualcomm/phy-qcom-edp.c | 33 +++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
diff mbox series

Patch

diff --git a/drivers/phy/qualcomm/phy-qcom-edp.c b/drivers/phy/qualcomm/phy-qcom-edp.c
index bcd5aced9e06..5e3053ccced1 100644
--- a/drivers/phy/qualcomm/phy-qcom-edp.c
+++ b/drivers/phy/qualcomm/phy-qcom-edp.c
@@ -191,6 +191,31 @@  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);
@@ -523,6 +548,13 @@  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,
@@ -1117,6 +1149,7 @@  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, },