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Tue, 22 Nov 2022 23:49:29 -0800 (PST) Received: from localhost.localdomain ([117.202.191.0]) by smtp.gmail.com with ESMTPSA id s16-20020a170902a51000b001869f2120a5sm13334059plq.34.2022.11.22.23.49.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Nov 2022 23:49:28 -0800 (PST) From: Manivannan Sadhasivam To: martin.petersen@oracle.com, jejb@linux.ibm.com, andersson@kernel.org, vkoul@kernel.org Cc: quic_cang@quicinc.com, quic_asutoshd@quicinc.com, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-scsi@vger.kernel.org, dmitry.baryshkov@linaro.org, ahalaney@redhat.com, abel.vesa@linaro.org, Manivannan Sadhasivam Subject: [PATCH v3 09/20] phy: qcom-qmp-ufs: Add HS G4 mode support to SM8450 SoC Date: Wed, 23 Nov 2022 13:18:15 +0530 Message-Id: <20221123074826.95369-10-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221123074826.95369-1-manivannan.sadhasivam@linaro.org> References: <20221123074826.95369-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221122_234930_939955_9862BA25 X-CRM114-Status: GOOD ( 11.07 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org UFS PHY in SM8450 SoC is capable of operating at HS G4 mode. Hence, add the required register settings using the tables_hs_g4 struct instance. Signed-off-by: Manivannan Sadhasivam --- .../phy/qualcomm/phy-qcom-qmp-pcs-ufs-v5.h | 1 + drivers/phy/qualcomm/phy-qcom-qmp-ufs.c | 48 +++++++++++++++++++ 2 files changed, 49 insertions(+) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-ufs-v5.h b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-ufs-v5.h index bcca23493b7e..3aa4232f84a6 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-ufs-v5.h +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-ufs-v5.h @@ -13,6 +13,7 @@ #define QPHY_V5_PCS_UFS_PLL_CNTL 0x02c #define QPHY_V5_PCS_UFS_TX_LARGE_AMP_DRV_LVL 0x030 #define QPHY_V5_PCS_UFS_TX_SMALL_AMP_DRV_LVL 0x038 +#define QPHY_V5_PCS_UFS_BIST_FIXED_PAT_CTRL 0x060 #define QPHY_V5_PCS_UFS_TX_HSGEAR_CAPABILITY 0x074 #define QPHY_V5_PCS_UFS_RX_HSGEAR_CAPABILITY 0x0b4 #define QPHY_V5_PCS_UFS_DEBUG_BUS_CLKSEL 0x124 diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c index d39ee28fb6a3..7a77db3196db 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c @@ -592,6 +592,46 @@ static const struct qmp_phy_init_tbl sm8350_ufsphy_pcs[] = { QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_MULTI_LANE_CTRL1, 0x02), }; +static const struct qmp_phy_init_tbl sm8350_ufsphy_g4_tx[] = { + QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_1, 0xe5), +}; + +static const struct qmp_phy_init_tbl sm8350_ufsphy_g4_rx[] = { + QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_PI_CTRL2, 0x81), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_TERM_BW, 0x6f), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL2, 0x00), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_IDAC_MEASURE_TIME, 0x20), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_IDAC_TSETTLE_LOW, 0x80), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_IDAC_TSETTLE_HIGH, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_LOW, 0xbf), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH, 0xbf), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH2, 0x7f), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH3, 0x7f), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH4, 0x2d), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_LOW, 0x6d), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH, 0x6d), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH2, 0xed), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH4, 0x3c), +}; + +static const struct qmp_phy_init_tbl sm8350_ufsphy_g4_pcs[] = { + QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_BIST_FIXED_PAT_CTRL, 0x0a), + /* + * Following registers are not required for HS-G4 mode, but since these + * are already programmed as part of previous init sequence, we'll program + * again with reset values. + */ + QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_PLL_CNTL, 0x0b), + QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TIMER_20US_CORECLK_STEPS_MSB, 0x2d), + QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TIMER_20US_CORECLK_STEPS_LSB, 0xb0), + QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TX_PWM_GEAR_BAND, 0xff), + QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TX_HS_GEAR_BAND, 0x15), + QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TX_HSGEAR_CAPABILITY, 0x04), + QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_RX_HSGEAR_CAPABILITY, 0x04), +}; + struct qmp_phy_cfg_tbls { /* Init sequence for PHY blocks - serdes, tx, rx, pcs */ const struct qmp_phy_init_tbl *serdes; @@ -934,6 +974,14 @@ static const struct qmp_phy_cfg sm8450_ufsphy_cfg = { .serdes = sm8350_ufsphy_hs_b_serdes, .serdes_num = ARRAY_SIZE(sm8350_ufsphy_hs_b_serdes), }, + .tbls_hs_g4 = { + .tx = sm8350_ufsphy_g4_tx, + .tx_num = ARRAY_SIZE(sm8350_ufsphy_g4_tx), + .rx = sm8350_ufsphy_g4_rx, + .rx_num = ARRAY_SIZE(sm8350_ufsphy_g4_rx), + .pcs = sm8350_ufsphy_g4_pcs, + .pcs_num = ARRAY_SIZE(sm8350_ufsphy_g4_pcs), + }, .clk_list = sm8450_ufs_phy_clk_l, .num_clks = ARRAY_SIZE(sm8450_ufs_phy_clk_l), .vreg_list = qmp_phy_vreg_l,