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Fri, 04 Oct 2024 10:30:50 +0000 Received: from APBLRPPMTA01.qualcomm.com (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 494AUbuN005260; Fri, 4 Oct 2024 10:30:49 GMT Received: from hu-maiyas-hyd.qualcomm.com (hu-mukhopad-hyd.qualcomm.com [10.147.244.250]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTP id 494AUnWB005742; Fri, 04 Oct 2024 10:30:49 +0000 Received: by hu-maiyas-hyd.qualcomm.com (Postfix, from userid 3978529) id C5EBF5000B1; Fri, 4 Oct 2024 16:00:48 +0530 (+0530) From: Soutrik Mukhopadhyay To: vkoul@kernel.org, kishon@kernel.org, konradybcio@kernel.org, andersson@kernel.org, simona@ffwll.ch, dmitry.baryshkov@linaro.org, abel.vesa@linaro.org, robdclark@gmail.com, quic_abhinavk@quicinc.com, sean@poorly.run, marijn.suijten@somainline.org, airlied@gmail.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, quic_khsieh@quicinc.com, konrad.dybcio@linaro.org, quic_parellan@quicinc.com, quic_bjorande@quicinc.com Cc: Soutrik Mukhopadhyay , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, quic_riteshk@quicinc.com, quic_vproddut@quicinc.com Subject: [PATCH v4 3/5] phy: qcom: edp: Add support for eDP PHY on SA8775P Date: Fri, 4 Oct 2024 16:00:44 +0530 Message-Id: <20241004103046.22209-4-quic_mukhopad@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20241004103046.22209-1-quic_mukhopad@quicinc.com> References: <20241004103046.22209-1-quic_mukhopad@quicinc.com> X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: Frg0cQoRh5vVCzpewOjk9Yb5YKLgAv50 X-Proofpoint-ORIG-GUID: Frg0cQoRh5vVCzpewOjk9Yb5YKLgAv50 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 clxscore=1015 bulkscore=0 spamscore=0 adultscore=0 malwarescore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 suspectscore=0 mlxlogscore=999 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2410040076 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241004_033104_555910_9654C176 X-CRM114-Status: GOOD ( 11.63 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Add support for eDP PHY v5 found on the Qualcomm SA8775P platform. Reviewed-by: Dmitry Baryshkov Signed-off-by: Soutrik Mukhopadhyay --- 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, },