From patchwork Thu Dec 2 14:17:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 12652655 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7C79AC433F5 for ; Thu, 2 Dec 2021 14:18:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1358495AbhLBOV3 (ORCPT ); Thu, 2 Dec 2021 09:21:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33826 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1358510AbhLBOV0 (ORCPT ); Thu, 2 Dec 2021 09:21:26 -0500 Received: from mail-lf1-x12e.google.com (mail-lf1-x12e.google.com [IPv6:2a00:1450:4864:20::12e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5246BC0613F3 for ; Thu, 2 Dec 2021 06:17:36 -0800 (PST) Received: by mail-lf1-x12e.google.com with SMTP id u3so71909525lfl.2 for ; Thu, 02 Dec 2021 06:17:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=fIeUQXfFTNjxtKD/RVfHzZhOL3d9Trq2f63NVWWRryw=; b=kxwkDl4WZs59d59U3Smi87Utm8BxPXRU0fZ2AsAsUvyEvtLwpURAWprFaVAREQaQ6Z nC/UorCCkKT5iHPCW1C+4pYskPlBor3uu25ETfTAlMUyFOpwdWlNWW+VLZVD38391U7T iv5MMYUWSwtYPhnzpXXMbM8wOHkIUMcbFAlLfoJZf/GxStUNZZMsOP8yqFwtYBva6ZCw d6CH/tn7ulqZ2eKNRB8oCbsT9fxevOYgpMwOru7/ATi0TkRCVLckIM1Rd9lFkagfwQol 5lU8DV1tm0lgBX+L3s+wUTv/VH+o6fP7NkvpmMel1ZYupUKzu5RPxjLMmgoWR+6WvH/z bj5w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=fIeUQXfFTNjxtKD/RVfHzZhOL3d9Trq2f63NVWWRryw=; b=MsPR6oHH8R1OvEUydMka8mqVdECJ0BN6TxbqxIH101njY1923frsY9hIgVE7rbs+rG EQLvJamAKcfk/pzUn8lGtnBkjnGt0Tdd27pXMYkdAbmX8noYZozP7eSRpesV+KI5nJBT TUub7fkDtx0CihJXRG2XhvH4dMmngBalNeuR9mR14R7VmBWzRBAbtUjT1EtcAuz9KhK6 cvRINqvsQq5N6QNKFDyw1/1BbUPJoDlfiB1yW+Rl7t0UcanrEsrO4b4sD1rhievg5EcH jvJyGmUCKVB4fYcaCwLEHJWLefhKy2ctEDcKLk+MrE1ejalPsi7ZvVb9JMxiFCiLxlXc X5sQ== X-Gm-Message-State: AOAM533uBg79O1JoU8mXMXH7cBhXWuhMup9T+X/WW94jYzQWFjp0/AZS dSonBgQRdGTSfg00tN2mPpnhJg== X-Google-Smtp-Source: ABdhPJx39vEOR+VDzkIJiXGxwB+dty9Hw31wKjEiGe1ijynmD9D+kqfxaOoRNW0EdpMJfoAfmKR9yg== X-Received: by 2002:a05:6512:3d90:: with SMTP id k16mr12482567lfv.361.1638454654482; Thu, 02 Dec 2021 06:17:34 -0800 (PST) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id m15sm362487lfg.165.2021.12.02.06.17.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Dec 2021 06:17:34 -0800 (PST) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Rob Herring , Vinod Koul , Kishon Vijay Abraham I , Stanimir Varbanov , Lorenzo Pieralisi Cc: Bjorn Helgaas , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-phy@lists.infradead.org Subject: [PATCH v1 03/10] phy: qcom-qmp: Add SM8450 PCIe0 PHY support Date: Thu, 2 Dec 2021 17:17:19 +0300 Message-Id: <20211202141726.1796793-4-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211202141726.1796793-1-dmitry.baryshkov@linaro.org> References: <20211202141726.1796793-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org There are two different PCIe PHYs on SM8450, one having one lane (v5) and another with two lanes (v5.20). This commit adds support for the first PCIe phy only, support for the second PCIe PHY is coming in next commits. Signed-off-by: Dmitry Baryshkov --- drivers/phy/qualcomm/phy-qcom-qmp.c | 125 ++++++++++++++++++++++++++++ drivers/phy/qualcomm/phy-qcom-qmp.h | 33 ++++++++ 2 files changed, 158 insertions(+) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c index a959c97a699f..22e95de6d7a2 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c @@ -2866,6 +2866,97 @@ static const struct qmp_phy_init_tbl qcm2290_usb3_pcs_tbl[] = { QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0x88), }; +static const struct qmp_phy_init_tbl sm8450_qmp_pcie_serdes_tbl[] = { + QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYSCLK_EN_SEL, 0x08), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_CLK_SELECT, 0x34), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_CORECLK_DIV_MODE1, 0x08), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_IVCO, 0x0f), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP_EN, 0x42), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_VCO_TUNE1_MODE0, 0x24), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_VCO_TUNE2_MODE1, 0x03), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_VCO_TUNE1_MODE1, 0xb4), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_VCO_TUNE_MAP, 0x02), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_BIN_VCOCAL_HSCLK_SEL, 0x11), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_DEC_START_MODE0, 0x82), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_DIV_FRAC_START3_MODE0, 0x03), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_DIV_FRAC_START2_MODE0, 0x55), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_DIV_FRAC_START1_MODE0, 0x55), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP2_MODE0, 0x1a), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP1_MODE0, 0x0a), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_DEC_START_MODE1, 0x68), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_DIV_FRAC_START3_MODE1, 0x02), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_DIV_FRAC_START2_MODE1, 0xaa), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_DIV_FRAC_START1_MODE1, 0xab), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP2_MODE1, 0x34), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP1_MODE1, 0x14), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_HSCLK_SEL, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_CP_CTRL_MODE0, 0x06), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_RCTRL_MODE0, 0x16), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_CCTRL_MODE0, 0x36), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_CP_CTRL_MODE1, 0x06), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_RCTRL_MODE1, 0x16), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_CCTRL_MODE1, 0x36), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_BIN_VCOCAL_CMP_CODE2_MODE0, 0x1e), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_BIN_VCOCAL_CMP_CODE1_MODE0, 0xca), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_BIN_VCOCAL_CMP_CODE2_MODE1, 0x18), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_BIN_VCOCAL_CMP_CODE1_MODE1, 0xa2), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYSCLK_BUF_ENABLE, 0x07), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_SSC_EN_CENTER, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_SSC_PER1, 0x31), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_SSC_PER2, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_SSC_STEP_SIZE1_MODE0, 0xde), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_SSC_STEP_SIZE2_MODE0, 0x07), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_SSC_STEP_SIZE1_MODE1, 0x4c), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_SSC_STEP_SIZE2_MODE1, 0x06), + QMP_PHY_INIT_CFG(QSERDES_V5_COM_CLK_ENABLE1, 0x90), +}; + +static const struct qmp_phy_init_tbl sm8450_qmp_pcie_tx_tbl[] = { + QMP_PHY_INIT_CFG(QSERDES_V5_TX_PI_QEC_CTRL, 0x20), + QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_1, 0x75), + QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_4, 0x3f), + QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_TX, 0x16), + QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_RX, 0x04), +}; + +static const struct qmp_phy_init_tbl sm8450_qmp_pcie_rx_tbl[] = { + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_LOW, 0x7f), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH, 0xff), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH2, 0xbf), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH3, 0x3f), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH4, 0xd8), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_LOW, 0xdc), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH, 0xdc), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH2, 0x5c), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH3, 0x34), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH4, 0xa6), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_10_HIGH3, 0x34), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_10_HIGH4, 0x38), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_VGA_CAL_CNTRL2, 0x07), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_GM_CAL, 0x00), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_THRESH1, 0x08), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_THRESH2, 0x08), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_PI_CONTROLS, 0xf0), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_TX_ADAPT_POST_THRESH, 0xf0), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL4, 0x07), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FO_GAIN, 0x09), + QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SO_GAIN, 0x05), +}; + +static const struct qmp_phy_init_tbl sm8450_qmp_pcie_pcs_tbl[] = { + QMP_PHY_INIT_CFG(QPHY_V5_PCS_RX_SIGDET_LVL, 0x77), + QMP_PHY_INIT_CFG(QPHY_V5_PCS_RATE_SLEW_CNTRL1, 0x0b), + QMP_PHY_INIT_CFG(QPHY_V5_PCS_REFGEN_REQ_CONFIG1, 0x05), +}; + +static const struct qmp_phy_init_tbl sm8450_qmp_pcie_pcs_misc_tbl[] = { + QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_OSC_DTCT_ACTIONS, 0x00), + QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_INT_AUX_CLK_CONFIG1, 0x00), + QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_EQ_CONFIG2, 0x0f), + QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_ENDPOINT_REFCLK_DRIVE, 0xc1), +}; + struct qmp_phy; /* struct qmp_phy_cfg - per-PHY initialization config */ @@ -4116,6 +4207,37 @@ static const struct qmp_phy_cfg sm8450_ufsphy_cfg = { .is_dual_lane_phy = true, }; +static const struct qmp_phy_cfg sm8450_qmp_gen3x1_pciephy_cfg = { + .type = PHY_TYPE_PCIE, + .nlanes = 1, + + .serdes_tbl = sm8450_qmp_pcie_serdes_tbl, + .serdes_tbl_num = ARRAY_SIZE(sm8450_qmp_pcie_serdes_tbl), + .tx_tbl = sm8450_qmp_pcie_tx_tbl, + .tx_tbl_num = ARRAY_SIZE(sm8450_qmp_pcie_tx_tbl), + .rx_tbl = sm8450_qmp_pcie_rx_tbl, + .rx_tbl_num = ARRAY_SIZE(sm8450_qmp_pcie_rx_tbl), + .pcs_tbl = sm8450_qmp_pcie_pcs_tbl, + .pcs_tbl_num = ARRAY_SIZE(sm8450_qmp_pcie_pcs_tbl), + .pcs_misc_tbl = sm8450_qmp_pcie_pcs_misc_tbl, + .pcs_misc_tbl_num = ARRAY_SIZE(sm8450_qmp_pcie_pcs_misc_tbl), + .clk_list = sdm845_pciephy_clk_l, + .num_clks = ARRAY_SIZE(sdm845_pciephy_clk_l), + .reset_list = sdm845_pciephy_reset_l, + .num_resets = ARRAY_SIZE(sdm845_pciephy_reset_l), + .vreg_list = qmp_phy_vreg_l, + .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), + .regs = sm8250_pcie_regs_layout, + + .start_ctrl = SERDES_START | PCS_START, + .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, + .phy_status = PHYSTATUS, + + .has_pwrdn_delay = true, + .pwrdn_delay_min = 995, /* us */ + .pwrdn_delay_max = 1005, /* us */ +}; + static const struct qmp_phy_cfg qcm2290_usb3phy_cfg = { .type = PHY_TYPE_USB3, .nlanes = 1, @@ -5774,6 +5896,9 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = { }, { .compatible = "qcom,sm8350-qmp-usb3-uni-phy", .data = &sm8350_usb3_uniphy_cfg, + }, { + .compatible = "qcom,sm8450-qmp-gen3x1-pcie-phy", + .data = &sm8450_qmp_gen3x1_pciephy_cfg, }, { .compatible = "qcom,sm8450-qmp-ufs-phy", .data = &sm8450_ufsphy_cfg, diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.h b/drivers/phy/qualcomm/phy-qcom-qmp.h index e15f461065bb..08422037f81b 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.h +++ b/drivers/phy/qualcomm/phy-qcom-qmp.h @@ -1069,6 +1069,15 @@ #define QPHY_V4_20_PCS_LANE1_INSIG_MX_CTRL2 0x828 /* Only for QMP V5 PHY - QSERDES COM registers */ +#define QSERDES_V5_COM_SSC_EN_CENTER 0x010 +#define QSERDES_V5_COM_SSC_PER1 0x01c +#define QSERDES_V5_COM_SSC_PER2 0x020 +#define QSERDES_V5_COM_SSC_STEP_SIZE1_MODE0 0x024 +#define QSERDES_V5_COM_SSC_STEP_SIZE2_MODE0 0x028 +#define QSERDES_V5_COM_SSC_STEP_SIZE1_MODE1 0x030 +#define QSERDES_V5_COM_SSC_STEP_SIZE2_MODE1 0x034 +#define QSERDES_V5_COM_CLK_ENABLE1 0x048 +#define QSERDES_V5_COM_SYSCLK_BUF_ENABLE 0x050 #define QSERDES_V5_COM_PLL_IVCO 0x058 #define QSERDES_V5_COM_CP_CTRL_MODE0 0x074 #define QSERDES_V5_COM_CP_CTRL_MODE1 0x078 @@ -1084,10 +1093,22 @@ #define QSERDES_V5_COM_DEC_START_MODE0 0x0bc #define QSERDES_V5_COM_LOCK_CMP2_MODE1 0x0b8 #define QSERDES_V5_COM_DEC_START_MODE1 0x0c4 +#define QSERDES_V5_COM_DIV_FRAC_START1_MODE0 0x0cc +#define QSERDES_V5_COM_DIV_FRAC_START2_MODE0 0x0d0 +#define QSERDES_V5_COM_DIV_FRAC_START3_MODE0 0x0d4 +#define QSERDES_V5_COM_DIV_FRAC_START1_MODE1 0x0d8 +#define QSERDES_V5_COM_DIV_FRAC_START2_MODE1 0x0dc +#define QSERDES_V5_COM_DIV_FRAC_START3_MODE1 0x0e0 #define QSERDES_V5_COM_VCO_TUNE_MAP 0x10c +#define QSERDES_V5_COM_VCO_TUNE1_MODE0 0x110 +#define QSERDES_V5_COM_VCO_TUNE2_MODE0 0x114 +#define QSERDES_V5_COM_VCO_TUNE1_MODE1 0x118 +#define QSERDES_V5_COM_VCO_TUNE2_MODE1 0x11c #define QSERDES_V5_COM_VCO_TUNE_INITVAL2 0x124 +#define QSERDES_V5_COM_CLK_SELECT 0x154 #define QSERDES_V5_COM_HSCLK_SEL 0x158 #define QSERDES_V5_COM_HSCLK_HS_SWITCH_SEL 0x15c +#define QSERDES_V5_COM_CORECLK_DIV_MODE1 0x16c #define QSERDES_V5_COM_BIN_VCOCAL_CMP_CODE1_MODE0 0x1ac #define QSERDES_V5_COM_BIN_VCOCAL_CMP_CODE2_MODE0 0x1b0 #define QSERDES_V5_COM_BIN_VCOCAL_CMP_CODE1_MODE1 0x1b4 @@ -1130,6 +1151,7 @@ #define QSERDES_V5_RX_AC_JTAG_ENABLE 0x068 #define QSERDES_V5_RX_AC_JTAG_MODE 0x078 #define QSERDES_V5_RX_RX_TERM_BW 0x080 +#define QSERDES_V5_RX_TX_ADAPT_POST_THRESH 0x0cc #define QSERDES_V5_RX_VGA_CAL_CNTRL1 0x0d4 #define QSERDES_V5_RX_VGA_CAL_CNTRL2 0x0d8 #define QSERDES_V5_RX_GM_CAL 0x0dc @@ -1167,6 +1189,17 @@ #define QSERDES_V5_RX_DCC_CTRL1 0x1a8 #define QSERDES_V5_RX_VTH_CODE 0x1b0 +/* Only for QMP V5 PHY - USB/PCIe PCS registers */ +#define QPHY_V5_PCS_REFGEN_REQ_CONFIG1 0x0dc +#define QPHY_V5_PCS_RX_SIGDET_LVL 0x188 +#define QPHY_V5_PCS_RATE_SLEW_CNTRL1 0x198 + +/* Only for QMP V5 PHY - PCS_PCIE registers */ +#define QPHY_V5_PCS_PCIE_ENDPOINT_REFCLK_DRIVE 0x20 +#define QPHY_V5_PCS_PCIE_INT_AUX_CLK_CONFIG1 0x54 +#define QPHY_V5_PCS_PCIE_OSC_DTCT_ACTIONS 0x94 +#define QPHY_V5_PCS_PCIE_EQ_CONFIG2 0xa8 + /* Only for QMP V5 PHY - UFS PCS registers */ #define QPHY_V5_PCS_UFS_TIMER_20US_CORECLK_STEPS_MSB 0x00c #define QPHY_V5_PCS_UFS_TIMER_20US_CORECLK_STEPS_LSB 0x010