linux-kernel - [PATCH v7 4/4] phy: qcom-qmp: Add QMP V3 USB3 PHY support for SC7180

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Message-Id: <1589510358-3865-5-git-send-email-sanm@codeaurora.org>
Date:   Fri, 15 May 2020 08:09:18 +0530
From:   Sandeep Maheswaram <sanm@...eaurora.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Stephen Boyd <swboyd@...omium.org>,
        Doug Anderson <dianders@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Manu Gautam <mgautam@...eaurora.org>,
        Sandeep Maheswaram <sanm@...eaurora.org>
Subject: [PATCH v7 4/4] phy: qcom-qmp: Add QMP V3 USB3 PHY support for SC7180

Adding QMP v3 USB3 PHY support for SC7180.
Adding only usb phy reset in the list to avoid
reset of DP block.

Signed-off-by: Sandeep Maheswaram <sanm@...eaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@...omium.org>
Reviewed-by: Stephen Boyd <swboyd@...omium.org>
---
 drivers/phy/qualcomm/phy-qcom-qmp.c | 38 +++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index 5942167..3504931 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -1578,6 +1578,10 @@ static const char * const msm8996_usb3phy_reset_l[] = {
 	"phy", "common",
 };
 
+static const char * const sc7180_usb3phy_reset_l[] = {
+	"phy",
+};
+
 static const char * const sdm845_pciephy_reset_l[] = {
 	"phy",
 };
@@ -1791,6 +1795,37 @@ static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = {
 	.is_dual_lane_phy	= true,
 };
 
+static const struct qmp_phy_cfg sc7180_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		= sc7180_usb3phy_reset_l,
+	.num_resets		= ARRAY_SIZE(sc7180_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,
+
+	.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_cfg qmp_v3_usb3_uniphy_cfg = {
 	.type			= PHY_TYPE_USB3,
 	.nlanes			= 1,
@@ -2680,6 +2715,9 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
 		.compatible = "qcom,ipq8074-qmp-pcie-phy",
 		.data = &ipq8074_pciephy_cfg,
 	}, {
+		.compatible = "qcom,sc7180-qmp-usb3-phy",
+		.data = &sc7180_usb3phy_cfg,
+	}, {
 		.compatible = "qcom,sdm845-qhp-pcie-phy",
 		.data = &sdm845_qhp_pciephy_cfg,
 	}, {
-- 
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