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

Soutrik Mukhopadhyay posted 5 patches 2 months, 2 weeks ago
There is a newer version of this series
[PATCH 3/5] phy: qcom: edp: Add support for eDP PHY on SA8775P
Posted by Soutrik Mukhopadhyay 2 months, 2 weeks ago 
Add support for eDP PHY v5 found on the Qualcomm SA8775P platform.

Signed-off-by: Soutrik Mukhopadhyay <quic_mukhopad@quicinc.com>
---
 drivers/phy/qualcomm/phy-qcom-edp.c | 47 +++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/drivers/phy/qualcomm/phy-qcom-edp.c b/drivers/phy/qualcomm/phy-qcom-edp.c
index 0f860a807d1b..34a47cd2919d 100644
--- a/drivers/phy/qualcomm/phy-qcom-edp.c
+++ b/drivers/phy/qualcomm/phy-qcom-edp.c
@@ -191,6 +191,45 @@ static u8 edp_phy_aux_cfg_v4[10] = {
 	0x00, 0x13, 0x24, 0x00, 0x0a, 0x26, 0x0a, 0x03, 0x37, 0x03
 };
 
+static const u8 edp_swing_hbr_rbr_v5[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_v5[4][4] = {
+	{ 0x05, 0x11, 0x17, 0x1d },
+	{ 0x05, 0x11, 0x18, 0xff },
+	{ 0x06, 0x11, 0xff, 0xff },
+	{ 0x00, 0xff, 0xff, 0xff }
+};
+
+static const u8 edp_swing_hbr2_hbr3_v5[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_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_v5,
+	.swing_hbr3_hbr2 = &edp_swing_hbr2_hbr3_v5,
+	.pre_emphasis_hbr_rbr = &edp_pre_emp_hbr_rbr_v5,
+	.pre_emphasis_hbr3_hbr2 = &edp_pre_emp_hbr2_hbr3_v5,
+};
+
+static 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);
@@ -520,6 +559,13 @@ 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,
@@ -1114,6 +1160,7 @@ 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
Re: [PATCH 3/5] phy: qcom: edp: Add support for eDP PHY on SA8775P
Posted by Dmitry Baryshkov 2 months, 2 weeks ago 
On Wed, 11 Sept 2024 at 13:08, Soutrik Mukhopadhyay
<quic_mukhopad@quicinc.com> wrote:
>
> Add support for eDP PHY v5 found on the Qualcomm SA8775P platform.
>
> Signed-off-by: Soutrik Mukhopadhyay <quic_mukhopad@quicinc.com>
> ---
>  drivers/phy/qualcomm/phy-qcom-edp.c | 47 +++++++++++++++++++++++++++++
>  1 file changed, 47 insertions(+)
>
> diff --git a/drivers/phy/qualcomm/phy-qcom-edp.c b/drivers/phy/qualcomm/phy-qcom-edp.c
> index 0f860a807d1b..34a47cd2919d 100644
> --- a/drivers/phy/qualcomm/phy-qcom-edp.c
> +++ b/drivers/phy/qualcomm/phy-qcom-edp.c
> @@ -191,6 +191,45 @@ static u8 edp_phy_aux_cfg_v4[10] = {
>         0x00, 0x13, 0x24, 0x00, 0x0a, 0x26, 0x0a, 0x03, 0x37, 0x03
>  };
>
> +static const u8 edp_swing_hbr_rbr_v5[4][4] = {
> +       { 0x07, 0x0f, 0x16, 0x1f },
> +       { 0x0d, 0x16, 0x1e, 0xff },
> +       { 0x11, 0x1b, 0xff, 0xff },
> +       { 0x16, 0xff, 0xff, 0xff }
> +};

Same as v4

> +
> +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 }
> +};

Could you please confirm that there is a single value difference?

> +
> +static const u8 edp_swing_hbr2_hbr3_v5[4][4] = {
> +       { 0x0b, 0x11, 0x17, 0x1c },
> +       { 0x10, 0x19, 0x1f, 0xff },
> +       { 0x19, 0x1f, 0xff, 0xff },
> +       { 0x1f, 0xff, 0xff, 0xff }
> +};

Same as v4

> +
> +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 }
> +};

This one looks fine

> +
> +static const struct qcom_edp_swing_pre_emph_cfg edp_phy_swing_pre_emph_cfg_v5 = {
> +       .swing_hbr_rbr = &edp_swing_hbr_rbr_v5,
> +       .swing_hbr3_hbr2 = &edp_swing_hbr2_hbr3_v5,
> +       .pre_emphasis_hbr_rbr = &edp_pre_emp_hbr_rbr_v5,
> +       .pre_emphasis_hbr3_hbr2 = &edp_pre_emp_hbr2_hbr3_v5,
> +};
> +
> +static 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);
> @@ -520,6 +559,13 @@ 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,
> @@ -1114,6 +1160,7 @@ 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
>


-- 
With best wishes
Dmitry
Re: [PATCH 3/5] phy: qcom: edp: Add support for eDP PHY on SA8775P
Posted by Soutrik Mukhopadhyay 2 months, 2 weeks ago 
On 9/11/2024 4:10 PM, Dmitry Baryshkov wrote:
> On Wed, 11 Sept 2024 at 13:08, Soutrik Mukhopadhyay
> <quic_mukhopad@quicinc.com> wrote:
>> Add support for eDP PHY v5 found on the Qualcomm SA8775P platform.
>>
>> Signed-off-by: Soutrik Mukhopadhyay <quic_mukhopad@quicinc.com>
>> ---
>>   drivers/phy/qualcomm/phy-qcom-edp.c | 47 +++++++++++++++++++++++++++++
>>   1 file changed, 47 insertions(+)
>>
>> diff --git a/drivers/phy/qualcomm/phy-qcom-edp.c b/drivers/phy/qualcomm/phy-qcom-edp.c
>> index 0f860a807d1b..34a47cd2919d 100644
>> --- a/drivers/phy/qualcomm/phy-qcom-edp.c
>> +++ b/drivers/phy/qualcomm/phy-qcom-edp.c
>> @@ -191,6 +191,45 @@ static u8 edp_phy_aux_cfg_v4[10] = {
>>          0x00, 0x13, 0x24, 0x00, 0x0a, 0x26, 0x0a, 0x03, 0x37, 0x03
>>   };
>>
>> +static const u8 edp_swing_hbr_rbr_v5[4][4] = {
>> +       { 0x07, 0x0f, 0x16, 0x1f },
>> +       { 0x0d, 0x16, 0x1e, 0xff },
>> +       { 0x11, 0x1b, 0xff, 0xff },
>> +       { 0x16, 0xff, 0xff, 0xff }
>> +};
> Same as v4


Yes, we will reuse edp_swing_hbr_rbr for v5.


>
>> +
>> +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 }
>> +};
> Could you please confirm that there is a single value difference?


Yes, there is a single value difference.


>
>> +
>> +static const u8 edp_swing_hbr2_hbr3_v5[4][4] = {
>> +       { 0x0b, 0x11, 0x17, 0x1c },
>> +       { 0x10, 0x19, 0x1f, 0xff },
>> +       { 0x19, 0x1f, 0xff, 0xff },
>> +       { 0x1f, 0xff, 0xff, 0xff }
>> +};
> Same as v4


Yes, we will reuse edp_swing_hbr2_hbr3 for v5.


>
>> +
>> +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 }
>> +};
> This one looks fine
>
>> +
>> +static const struct qcom_edp_swing_pre_emph_cfg edp_phy_swing_pre_emph_cfg_v5 = {
>> +       .swing_hbr_rbr = &edp_swing_hbr_rbr_v5,
>> +       .swing_hbr3_hbr2 = &edp_swing_hbr2_hbr3_v5,
>> +       .pre_emphasis_hbr_rbr = &edp_pre_emp_hbr_rbr_v5,
>> +       .pre_emphasis_hbr3_hbr2 = &edp_pre_emp_hbr2_hbr3_v5,
>> +};
>> +
>> +static 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);
>> @@ -520,6 +559,13 @@ 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,
>> @@ -1114,6 +1160,7 @@ 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
>>
>

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