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Wed, 20 Sep 2023 13:55:24 +0000 Received: from APBLRPPMTA02.qualcomm.com (APBLRPPMTA02.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 38KDtOLN008230; Wed, 20 Sep 2023 13:55:24 GMT Received: from hu-sgudaval-hyd.qualcomm.com (hu-msarkar-hyd.qualcomm.com [10.213.111.194]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTP id 38KDtOa6008229; Wed, 20 Sep 2023 13:55:24 +0000 Received: by hu-sgudaval-hyd.qualcomm.com (Postfix, from userid 3891782) id BB6DC4070; Wed, 20 Sep 2023 19:25:23 +0530 (+0530) From: Mrinmay Sarkar To: agross@kernel.org, andersson@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, konrad.dybcio@linaro.org, mani@kernel.org Cc: quic_shazhuss@quicinc.com, quic_nitegupt@quicinc.com, quic_ramkri@quicinc.com, quic_nayiluri@quicinc.com, quic_krichai@quicinc.com, quic_vbadigan@quicinc.com, quic_parass@quicinc.com, Mrinmay Sarkar , Bjorn Helgaas , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84?= =?utf-8?q?ski?= , Rob Herring , Kishon Vijay Abraham I , Vinod Koul , linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, mhi@lists.linux.dev, linux-phy@lists.infradead.org Subject: [PATCH v1 3/5] phy: qcom-qmp-pcie: add endpoint support for sa8775p Date: Wed, 20 Sep 2023 19:25:10 +0530 Message-Id: <1695218113-31198-4-git-send-email-quic_msarkar@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1695218113-31198-1-git-send-email-quic_msarkar@quicinc.com> References: <1695218113-31198-1-git-send-email-quic_msarkar@quicinc.com> X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: FrJdFNZsNGgqmjkhUAFeQ_v6YxA07d60 X-Proofpoint-ORIG-GUID: FrJdFNZsNGgqmjkhUAFeQ_v6YxA07d60 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-20_05,2023-09-20_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 lowpriorityscore=0 priorityscore=1501 suspectscore=0 clxscore=1015 impostorscore=0 phishscore=0 mlxscore=0 spamscore=0 bulkscore=0 malwarescore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309200114 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230920_065543_939917_292F74B6 X-CRM114-Status: GOOD ( 15.96 ) 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: , MIME-Version: 1.0 Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Add support for dual lane end point mode PHY found on sa8755p platform. Signed-off-by: Mrinmay Sarkar --- drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 41 ++++++++++++++++++++++ drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h | 2 ++ drivers/phy/qualcomm/phy-qcom-qmp-qserdes-com-v5.h | 1 + 3 files changed, 44 insertions(+) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c index a63ca74..351047c 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c @@ -2147,6 +2147,38 @@ static const struct qmp_phy_init_tbl sa8775p_qmp_gen4x4_pcie_rc_serdes_alt_tbl[] QMP_PHY_INIT_CFG(QSERDES_V5_COM_CLK_SELECT, 0x34), }; +static const struct qmp_phy_init_tbl sa8775p_qmp_gen4x2_pcie_ep_serdes_alt_tbl[] = { + QMP_PHY_INIT_CFG(QSERDES_V5_COM_BG_TIMER, 0x02), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYS_CLK_CTRL, 0x07), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_CP_CTRL_MODE0, 0x27), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_CP_CTRL_MODE1, 0x0a), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_RCTRL_MODE0, 0x17), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_RCTRL_MODE1, 0x19), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_CCTRL_MODE0, 0x00), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_CCTRL_MODE1, 0x03), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYSCLK_EN_SEL, 0x00), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN0_MODE0, 0xfb), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN1_MODE0, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN0_MODE1, 0xfb), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN1_MODE1, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_CMN_MODE, 0x14), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP1_MODE0, 0xff), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP2_MODE0, 0x04), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP1_MODE1, 0xff), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP2_MODE1, 0x09), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_DEC_START_MODE0, 0x19), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_DEC_START_MODE1, 0x28), +}; + +static const struct qmp_phy_init_tbl sa8775p_qmp_gen4_pcie_ep_pcs_misc_tbl[] = { + QMP_PHY_INIT_CFG(QPHY_V5_20_PCS_PCIE_OSC_DTCT_MODE2_CONFIG5, 0x08), +}; + +static const struct qmp_phy_init_tbl sa8775p_qmp_gen4x2_pcie_ep_pcs_alt_tbl[] = { + QMP_PHY_INIT_CFG(QPHY_V5_PCS_INSIG_MX_CTRL7, 0x00), + QMP_PHY_INIT_CFG(QPHY_V5_PCS_INSIG_SW_CTRL7, 0x00), +}; + struct qmp_pcie_offsets { u16 serdes; u16 pcs; @@ -3043,6 +3075,15 @@ static const struct qmp_phy_cfg sa8775p_qmp_gen4x2_pciephy_cfg = { .pcs_misc_num = ARRAY_SIZE(sa8775p_qmp_gen4_pcie_rc_pcs_misc_tbl), }, + .tbls_ep = &(const struct qmp_phy_cfg_tbls) { + .serdes = sa8775p_qmp_gen4x2_pcie_ep_serdes_alt_tbl, + .serdes_num = ARRAY_SIZE(sa8775p_qmp_gen4x2_pcie_ep_serdes_alt_tbl), + .pcs_misc = sa8775p_qmp_gen4_pcie_ep_pcs_misc_tbl, + .pcs_misc_num = ARRAY_SIZE(sa8775p_qmp_gen4_pcie_ep_pcs_misc_tbl), + .pcs = sa8775p_qmp_gen4x2_pcie_ep_pcs_alt_tbl, + .pcs_num = ARRAY_SIZE(sa8775p_qmp_gen4x2_pcie_ep_pcs_alt_tbl), + }, + .reset_list = sdm845_pciephy_reset_l, .num_resets = ARRAY_SIZE(sdm845_pciephy_reset_l), .vreg_list = qmp_phy_vreg_l, diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h index 36cc80b..2b33dc7 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5.h @@ -30,5 +30,7 @@ #define QPHY_V5_PCS_EQ_CONFIG2 0x1e0 #define QPHY_V5_PCS_EQ_CONFIG3 0x1e4 #define QPHY_V5_PCS_EQ_CONFIG5 0x1ec +#define QPHY_V5_PCS_INSIG_MX_CTRL7 0x07c +#define QPHY_V5_PCS_INSIG_SW_CTRL7 0x060 #endif diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-com-v5.h b/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-com-v5.h index c8afdf7..ad587c8 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-com-v5.h +++ b/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-com-v5.h @@ -120,5 +120,6 @@ #define QSERDES_V5_COM_BIN_VCOCAL_CMP_CODE2_MODE1 0x1b8 #define QSERDES_V5_COM_BIN_VCOCAL_HSCLK_SEL 0x1bc #define QSERDES_V5_COM_RESERVED_1 0x1c0 +#define QSERDES_V5_COM_PLL_CMN_MODE 0x1a0 #endif