linux-kernel - [PATCH] phy: qualcomm: phy-qcom-qmp: add support for combo USB3+DP phy on SDM845

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Date:   Tue,  9 Aug 2022 22:09:26 -0500
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] phy: qualcomm: phy-qcom-qmp: add support for combo USB3+DP phy on SDM845

From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

Define configuration to be used by combo USB3 + DisplayPort phy on
SDM845 SoC family. It closely follows sc7180, however like the main USB3
phy it uses the qmp_v3_usb3phy_cfg config.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 41 +++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
index 4b1828976104..e9722d8aae59 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
@@ -903,6 +903,43 @@ static const struct qmp_phy_combo_cfg sc7180_usb3dpphy_cfg = {
 	.dp_cfg			= &sc7180_dpphy_cfg,
 };
 
+static const struct qmp_phy_cfg sdm845_usb3phy_cfg = {
+	.type			= PHY_TYPE_USB3,
+	.nlanes			= 1,
+
+	.serdes_tbl		= qmp_v3_usb3_serdes_tbl,
+	.serdes_tbl_num		= ARRAY_SIZE(qmp_v3_usb3_serdes_tbl),
+	.tx_tbl			= qmp_v3_usb3_tx_tbl,
+	.tx_tbl_num		= ARRAY_SIZE(qmp_v3_usb3_tx_tbl),
+	.rx_tbl			= qmp_v3_usb3_rx_tbl,
+	.rx_tbl_num		= ARRAY_SIZE(qmp_v3_usb3_rx_tbl),
+	.pcs_tbl		= qmp_v3_usb3_pcs_tbl,
+	.pcs_tbl_num		= ARRAY_SIZE(qmp_v3_usb3_pcs_tbl),
+	.clk_list		= qmp_v3_phy_clk_l,
+	.num_clks		= ARRAY_SIZE(qmp_v3_phy_clk_l),
+	.reset_list		= msm8996_usb3phy_reset_l,
+	.num_resets		= ARRAY_SIZE(msm8996_usb3phy_reset_l),
+	.vreg_list		= qmp_phy_vreg_l,
+	.num_vregs		= ARRAY_SIZE(qmp_phy_vreg_l),
+	.regs			= qmp_v3_usb3phy_regs_layout,
+
+	.start_ctrl		= SERDES_START | PCS_START,
+	.pwrdn_ctrl		= SW_PWRDN,
+	.phy_status		= PHYSTATUS,
+
+	.has_pwrdn_delay	= true,
+	.pwrdn_delay_min	= POWER_DOWN_DELAY_US_MIN,
+	.pwrdn_delay_max	= POWER_DOWN_DELAY_US_MAX,
+
+	.has_phy_dp_com_ctrl	= true,
+	.is_dual_lane_phy	= true,
+};
+
+static const struct qmp_phy_combo_cfg sdm845_usb3dpphy_cfg = {
+	.usb_cfg                = &sdm845_usb3phy_cfg,
+	.dp_cfg                 = &sc7180_dpphy_cfg,
+};
+
 static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
 	.type			= PHY_TYPE_USB3,
 	.nlanes			= 1,
@@ -2441,6 +2478,10 @@ static const struct of_device_id qcom_qmp_combo_phy_of_match_table[] = {
 		.compatible = "qcom,sc7180-qmp-usb3-dp-phy",
 		.data = &sc7180_usb3dpphy_cfg,
 	},
+	{
+		.compatible = "qcom,sdm845-qmp-usb3-dp-phy",
+		.data = &sdm845_usb3dpphy_cfg,
+	},
 	{
 		.compatible = "qcom,sm8250-qmp-usb3-dp-phy",
 		.data = &sm8250_usb3dpphy_cfg,
-- 
2.37.1