Commit 3f12bf16 authored by Soutrik Mukhopadhyay's avatar Soutrik Mukhopadhyay Committed by Vinod Koul
Browse files

phy: qcom: edp: Add support for eDP PHY on SA8775P 



Add support for eDP PHY v5 found on the Qualcomm SA8775P platform.

Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: default avatarSoutrik Mukhopadhyay <quic_mukhopad@quicinc.com>
Link: https://lore.kernel.org/r/20241004103046.22209-4-quic_mukhopad@quicinc.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 91346358

drivers/phy/qualcomm/phy-qcom-edp.c

+33 −0
Original line number Diff line number Diff line
@@ -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, },