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Thu, 22 Dec 2022 06:10:38 -0800 (PST) Received: from localhost.localdomain ([117.217.177.177]) by smtp.gmail.com with ESMTPSA id f8-20020a655908000000b0047829d1b8eesm832031pgu.31.2022.12.22.06.10.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Dec 2022 06:10:38 -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, alim.akhtar@samsung.com, avri.altman@wdc.com, bvanassche@acm.org, Manivannan Sadhasivam Subject: [PATCH v5 04/23] phy: qcom-qmp-ufs: Add support for configuring PHY in HS Series B mode Date: Thu, 22 Dec 2022 19:39:42 +0530 Message-Id: <20221222141001.54849-5-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221222141001.54849-1-manivannan.sadhasivam@linaro.org> References: <20221222141001.54849-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221222_061043_327324_3B08ED1F X-CRM114-Status: GOOD ( 13.15 ) 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 Add separate tables_hs_b instance to allow the PHY driver to configure the PHY in HS Series B mode. The individual SoC configs need to supply the serdes register setting in tables_hs_b and the UFS driver can request the Series B mode by calling phy_set_mode() with mode set to PHY_MODE_UFS_HS_B. Reviewed-by: Dmitry Baryshkov Tested-by: Andrew Halaney # Qdrive3/sa8540p-ride Signed-off-by: Manivannan Sadhasivam --- drivers/phy/qualcomm/phy-qcom-qmp-ufs.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c index 516027e356f0..2d5dd336aeb2 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c @@ -547,6 +547,8 @@ struct qmp_phy_cfg { /* Main init sequence for PHY blocks - serdes, tx, rx, pcs */ const struct qmp_phy_cfg_tbls tbls; + /* Additional sequence for HS Series B */ + const struct qmp_phy_cfg_tbls tbls_hs_b; /* clock ids to be requested */ const char * const *clk_list; @@ -580,6 +582,7 @@ struct qmp_ufs { struct reset_control *ufs_reset; struct phy *phy; + u32 mode; }; static inline void qphy_setbits(void __iomem *base, u32 offset, u32 val) @@ -841,6 +844,8 @@ static void qmp_ufs_pcs_init(struct qmp_ufs *qmp, const struct qmp_phy_cfg_tbls static void qmp_ufs_init_registers(struct qmp_ufs *qmp, const struct qmp_phy_cfg *cfg) { qmp_ufs_serdes_init(qmp, &cfg->tbls); + if (qmp->mode == PHY_MODE_UFS_HS_B) + qmp_ufs_serdes_init(qmp, &cfg->tbls_hs_b); qmp_ufs_lanes_init(qmp, &cfg->tbls); qmp_ufs_pcs_init(qmp, &cfg->tbls); } @@ -1011,9 +1016,19 @@ static int qmp_ufs_disable(struct phy *phy) return qmp_ufs_exit(phy); } +static int qmp_ufs_set_mode(struct phy *phy, enum phy_mode mode, int submode) +{ + struct qmp_ufs *qmp = phy_get_drvdata(phy); + + qmp->mode = mode; + + return 0; +} + static const struct phy_ops qcom_qmp_ufs_phy_ops = { .power_on = qmp_ufs_enable, .power_off = qmp_ufs_disable, + .set_mode = qmp_ufs_set_mode, .owner = THIS_MODULE, };