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<div class="moz-cite-prefix">On 9/11/2024 4:10 PM, Dmitry Baryshkov
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAA8EJpqurbPKjmRH8zdqPkMuze4zwJVu+=W0nP=Ldc6o_4Tu4w@mail.gmail.com">
<pre class="moz-quote-pre" wrap="">On Wed, 11 Sept 2024 at 13:08, Soutrik Mukhopadhyay
<a class="moz-txt-link-rfc2396E" href="mailto:quic_mukhopad@quicinc.com"><quic_mukhopad@quicinc.com></a> wrote:
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">
Add support for eDP PHY v5 found on the Qualcomm SA8775P platform.
Signed-off-by: Soutrik Mukhopadhyay <a class="moz-txt-link-rfc2396E" href="mailto:quic_mukhopad@quicinc.com"><quic_mukhopad@quicinc.com></a>
---
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 }
+};
</pre>
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<pre class="moz-quote-pre" wrap="">
Same as v4</pre>
</blockquote>
<p><br>
</p>
<p>Yes, we will reuse <span style="white-space: pre-wrap">edp_swing_hbr_rbr for v5.</span></p>
<p><span style="white-space: pre-wrap">
</span></p>
<blockquote type="cite"
cite="mid:CAA8EJpqurbPKjmRH8zdqPkMuze4zwJVu+=W0nP=Ldc6o_4Tu4w@mail.gmail.com">
<pre class="moz-quote-pre" wrap="">
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">+
+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 }
+};
</pre>
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<pre class="moz-quote-pre" wrap="">
Could you please confirm that there is a single value difference?</pre>
</blockquote>
<p><br>
</p>
<p>Yes, there is a single value difference.</p>
<p><br>
</p>
<blockquote type="cite"
cite="mid:CAA8EJpqurbPKjmRH8zdqPkMuze4zwJVu+=W0nP=Ldc6o_4Tu4w@mail.gmail.com">
<pre class="moz-quote-pre" wrap="">
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">+
+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 }
+};
</pre>
</blockquote>
<pre class="moz-quote-pre" wrap="">
Same as v4</pre>
</blockquote>
<p><br>
</p>
<p>Yes, we will reuse <span style="white-space: pre-wrap">edp_swing_hbr2_hbr3 for v5.</span></p>
<p><span style="white-space: pre-wrap">
</span></p>
<blockquote type="cite"
cite="mid:CAA8EJpqurbPKjmRH8zdqPkMuze4zwJVu+=W0nP=Ldc6o_4Tu4w@mail.gmail.com">
<pre class="moz-quote-pre" wrap="">
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">+
+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 }
+};
</pre>
</blockquote>
<pre class="moz-quote-pre" wrap="">
This one looks fine
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">+
+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
</pre>
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</pre>
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