linux-kernel - [PATCH v3 2/3] phy: qcom-qusb2: Add support for QCS615

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Message-Id: <20241224084621.4139021-3-krishna.kurapati@oss.qualcomm.com>
Date: Tue, 24 Dec 2024 14:16:20 +0530
From: Krishna Kurapati <krishna.kurapati@....qualcomm.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Johan Hovold <johan+linaro@...nel.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Varadarajan Narayanan <quic_varada@...cinc.com>,
        Wesley Cheng <quic_wcheng@...cinc.com>
Cc: linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-phy@...ts.infradead.org, linux-usb@...r.kernel.org,
        devicetree@...r.kernel.org, quic_ppratap@...cinc.com,
        quic_jackp@...cinc.com,
        Krishna Kurapati <krishna.kurapati@....qualcomm.com>
Subject: [PATCH v3 2/3] phy: qcom-qusb2: Add support for QCS615

Add init sequence and phy configuration for QCS615.

Signed-off-by: Krishna Kurapati <krishna.kurapati@....qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
 drivers/phy/qualcomm/phy-qcom-qusb2.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/drivers/phy/qualcomm/phy-qcom-qusb2.c b/drivers/phy/qualcomm/phy-qcom-qusb2.c
index 2d8fe9bc40f9..1f5f7df14d5a 100644
--- a/drivers/phy/qualcomm/phy-qcom-qusb2.c
+++ b/drivers/phy/qualcomm/phy-qcom-qusb2.c
@@ -166,6 +166,19 @@ static const struct qusb2_phy_init_tbl ipq5424_init_tbl[] = {
 	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_AUTOPGM_CTL1, 0x9f),
 };
 
+static const struct qusb2_phy_init_tbl qcs615_init_tbl[] = {
+	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE1, 0xc8),
+	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE2, 0xb3),
+	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE3, 0x83),
+	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE4, 0xc0),
+	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_TUNE, 0x30),
+	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_USER_CTL1, 0x79),
+	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_USER_CTL2, 0x21),
+	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TEST2, 0x14),
+	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_AUTOPGM_CTL1, 0x9f),
+	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_PWR_CTRL, 0x00),
+};
+
 static const unsigned int ipq6018_regs_layout[] = {
 	[QUSB2PHY_PLL_STATUS]              = 0x38,
 	[QUSB2PHY_PORT_TUNE1]              = 0x80,
@@ -356,6 +369,17 @@ static const struct qusb2_phy_cfg ipq5424_phy_cfg = {
 	.autoresume_en   = BIT(0),
 };
 
+static const struct qusb2_phy_cfg qcs615_phy_cfg = {
+	.tbl            = qcs615_init_tbl,
+	.tbl_num        = ARRAY_SIZE(qcs615_init_tbl),
+	.regs           = ipq6018_regs_layout,
+
+	.disable_ctrl   = (CLAMP_N_EN | FREEZIO_N | POWER_DOWN),
+	.mask_core_ready = PLL_LOCKED,
+	/* autoresume not used */
+	.autoresume_en   = BIT(0),
+};
+
 static const struct qusb2_phy_cfg qusb2_v2_phy_cfg = {
 	.tbl		= qusb2_v2_init_tbl,
 	.tbl_num	= ARRAY_SIZE(qusb2_v2_init_tbl),
@@ -950,6 +974,9 @@ static const struct of_device_id qusb2_phy_of_match_table[] = {
 	}, {
 		.compatible	= "qcom,msm8998-qusb2-phy",
 		.data		= &msm8998_phy_cfg,
+	}, {
+		.compatible	= "qcom,qcs615-qusb2-phy",
+		.data		= &qcs615_phy_cfg,
 	}, {
 		.compatible	= "qcom,qcm2290-qusb2-phy",
 		.data		= &sm6115_phy_cfg,
-- 
2.34.1