linux-kernel - [PATCH v3 04/14] phy: qcom: qmp-usbc: Add USBC PHY type enum

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Message-Id: <20250820-add-displayport-support-for-qcs615-platform-v3-4-a43bd25ec39c@oss.qualcomm.com>
Date: Wed, 20 Aug 2025 17:34:46 +0800
From: Xiangxu Yin <xiangxu.yin@....qualcomm.com>
To: Rob Clark <robin.clark@....qualcomm.com>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jessica.zhang@....qualcomm.com>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Kuogee Hsieh <quic_khsieh@...cinc.com>, Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org,
        fange.zhang@....qualcomm.com, yongxing.mou@....qualcomm.com,
        tingwei.zhang@....qualcomm.com, Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
        quic_lliu6@...cinc.com, Xiangxu Yin <xiangxu.yin@....qualcomm.com>
Subject: [PATCH v3 04/14] phy: qcom: qmp-usbc: Add USBC PHY type enum

Introduce qmp_phy_usbc_type enum and a 'type' field in qmp_phy_cfg to
differentiate between USB-only PHYs and USB/DP switchable PHYs.

Signed-off-by: Xiangxu Yin <xiangxu.yin@....qualcomm.com>
---
 drivers/phy/qualcomm/phy-qcom-qmp-usbc.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c b/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c
index e484caec2be20121cfe287c507b17af28fb9f211..5afe090b546977a11265bbffa7c355feb8c72dfa 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-usbc.c
@@ -284,6 +284,11 @@ static const struct qmp_phy_init_tbl qcm2290_usb3_pcs_tbl[] = {
 	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0x88),
 };
 
+enum qmp_phy_usbc_type {
+	QMP_PHY_USBC_USB3_ONLY,
+	QMP_PHY_USBC_USB3_DP,
+};
+
 struct qmp_usbc_offsets {
 	u16 serdes;
 	u16 pcs;
@@ -298,6 +303,7 @@ struct qmp_usbc_offsets {
 /* struct qmp_phy_cfg - per-PHY initialization config */
 struct qmp_phy_cfg {
 	const struct qmp_usbc_offsets *offsets;
+	const enum qmp_phy_usbc_type type;
 
 	/* Init sequence for PHY blocks - serdes, tx, rx, pcs */
 	const struct qmp_phy_init_tbl *serdes_tbl;
@@ -408,6 +414,7 @@ static const struct qmp_usbc_offsets qmp_usbc_offsets_v3_qcm2290 = {
 
 static const struct qmp_phy_cfg msm8998_usb3phy_cfg = {
 	.offsets		= &qmp_usbc_offsets_v3_qcm2290,
+	.type			= QMP_PHY_USBC_USB3_ONLY,
 
 	.serdes_tbl             = msm8998_usb3_serdes_tbl,
 	.serdes_tbl_num         = ARRAY_SIZE(msm8998_usb3_serdes_tbl),
@@ -424,6 +431,7 @@ static const struct qmp_phy_cfg msm8998_usb3phy_cfg = {
 
 static const struct qmp_phy_cfg qcm2290_usb3phy_cfg = {
 	.offsets		= &qmp_usbc_offsets_v3_qcm2290,
+	.type			= QMP_PHY_USBC_USB3_ONLY,
 
 	.serdes_tbl		= qcm2290_usb3_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(qcm2290_usb3_serdes_tbl),
@@ -440,6 +448,7 @@ static const struct qmp_phy_cfg qcm2290_usb3phy_cfg = {
 
 static const struct qmp_phy_cfg sdm660_usb3phy_cfg = {
 	.offsets		= &qmp_usbc_offsets_v3_qcm2290,
+	.type			= QMP_PHY_USBC_USB3_ONLY,
 
 	.serdes_tbl		= qcm2290_usb3_serdes_tbl,
 	.serdes_tbl_num		= ARRAY_SIZE(qcm2290_usb3_serdes_tbl),

-- 
2.34.1