linux-kernel - [PATCH v5 07/23] phy: qcom-qmp-ufs: Add HS G4 mode support to SM8150 SoC

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Message-Id: <20221222141001.54849-8-manivannan.sadhasivam@linaro.org>
Date:   Thu, 22 Dec 2022 19:39:45 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     martin.petersen@...cle.com, jejb@...ux.ibm.com,
        andersson@...nel.org, vkoul@...nel.org
Cc:     quic_cang@...cinc.com, quic_asutoshd@...cinc.com,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-phy@...ts.infradead.org, linux-scsi@...r.kernel.org,
        dmitry.baryshkov@...aro.org, ahalaney@...hat.com,
        abel.vesa@...aro.org, alim.akhtar@...sung.com, avri.altman@....com,
        bvanassche@....org,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH v5 07/23] phy: qcom-qmp-ufs: Add HS G4 mode support to SM8150 SoC

UFS PHY in SM8150 SoC is capable of operating at HS G4 mode. Hence, add the
required register settings using the tables_hs_g4 struct instance.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Tested-by: Andrew Halaney <ahalaney@...hat.com> # Qdrive3/sa8540p-ride
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
 drivers/phy/qualcomm/phy-qcom-qmp-ufs.c | 36 +++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
index 97d0baa9bac3..269f96a0f752 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
@@ -374,6 +374,10 @@ static const struct qmp_phy_init_tbl sm8150_ufsphy_tx[] = {
 	QMP_PHY_INIT_CFG(QSERDES_V4_TX_TRAN_DRVR_EMP_EN, 0x0c),
 };
 
+static const struct qmp_phy_init_tbl sm8150_ufsphy_hs_g4_tx[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0x75),
+};
+
 static const struct qmp_phy_init_tbl sm8150_ufsphy_rx[] = {
 	QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_LVL, 0x24),
 	QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x0f),
@@ -411,6 +415,25 @@ static const struct qmp_phy_init_tbl sm8150_ufsphy_rx[] = {
 	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH4, 0xb1),
 };
 
+static const struct qmp_phy_init_tbl sm8150_ufsphy_hs_g4_rx[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x5a),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CTRL2, 0x81),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FO_GAIN, 0x0e),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_TERM_BW, 0x6f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_MEASURE_TIME, 0x20),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0x80),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0x3f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH, 0xff),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0xff),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x6c),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0x6d),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0x6d),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0xed),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0x3c),
+};
+
 static const struct qmp_phy_init_tbl sm8150_ufsphy_pcs[] = {
 	QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_RX_SIGDET_CTRL2, 0x6d),
 	QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_LARGE_AMP_DRV_LVL, 0x0a),
@@ -421,6 +444,11 @@ static const struct qmp_phy_init_tbl sm8150_ufsphy_pcs[] = {
 	QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_MULTI_LANE_CTRL1, 0x02),
 };
 
+static const struct qmp_phy_init_tbl sm8150_ufsphy_hs_g4_pcs[] = {
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_LARGE_AMP_DRV_LVL, 0x10),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_BIST_FIXED_PAT_CTRL, 0x0a),
+};
+
 static const struct qmp_phy_init_tbl sm8350_ufsphy_serdes[] = {
 	QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYSCLK_EN_SEL, 0xd9),
 	QMP_PHY_INIT_CFG(QSERDES_V5_COM_HSCLK_SEL, 0x11),
@@ -762,6 +790,14 @@ static const struct qmp_phy_cfg sm8150_ufsphy_cfg = {
 		.serdes		= sm8150_ufsphy_hs_b_serdes,
 		.serdes_num	= ARRAY_SIZE(sm8150_ufsphy_hs_b_serdes),
 	},
+	.tbls_hs_g4 = {
+		.tx		= sm8150_ufsphy_hs_g4_tx,
+		.tx_num		= ARRAY_SIZE(sm8150_ufsphy_hs_g4_tx),
+		.rx		= sm8150_ufsphy_hs_g4_rx,
+		.rx_num		= ARRAY_SIZE(sm8150_ufsphy_hs_g4_rx),
+		.pcs		= sm8150_ufsphy_hs_g4_pcs,
+		.pcs_num	= ARRAY_SIZE(sm8150_ufsphy_hs_g4_pcs),
+	},
 	.clk_list		= sdm845_ufs_phy_clk_l,
 	.num_clks		= ARRAY_SIZE(sdm845_ufs_phy_clk_l),
 	.vreg_list		= qmp_phy_vreg_l,
-- 
2.25.1