From patchwork Fri Mar 26 17:58:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 409531 Delivered-To: patch@linaro.org Received: by 2002:a02:8562:0:0:0:0:0 with SMTP id g89csp1641620jai; Fri, 26 Mar 2021 10:59:16 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxKseSXxTdsv8PqgbqqvsSQ1ZQeuJMlP+CRCbAiBUDVC7SyGagaWnzi3ug8ZfWaPdqevXp3 X-Received: by 2002:a50:f391:: with SMTP id g17mr16445176edm.26.1616781556335; Fri, 26 Mar 2021 10:59:16 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1616781556; cv=none; d=google.com; s=arc-20160816; b=VCpyO9vfUHJAJ3Fd+P3KPnAq/WQfbQR5Hcj8LG0+/uW8MnWwQE40xLEgr8NH0y/4uN fAhSQM1/EyMSIF4aFaTXUjIDywMQYCKPtzziMhfbTG697Uoipdk/Nr1FiQ2MXiMfGYV1 QP3SmY5sQ+w6i6BbXn3frKkCuuu5puZlUFx807peZwarRrzXduJ0AwNS22bljvA1QGXx 6ThP8zc1H/3Eyo5vlp7cTqulVzDs34eAMbfneciXs2VQotlgWL9q6q8Fd/pBdhUzC5X6 beA119QcDdycxi/Roc7A3AMoSVvYFTL2AsJvOcrXdwEA/R85QDHmdCGjfc0H7+kEMOPj e7zw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=1XWrsj3dJwSrfufEFgLCZmi7yoC1QmoKQ7JDMUs4x5U=; b=aSl8Y+QhkWAGqk5DMl8kVaAgYvCFRGru/Vym0TByrF3B1/R0CQbjxaR5HlLS2X166H oc9RNlZN5gaDbaJ7w8YEA4AgmQu3KyrqHO0nDKJDWOpU3t4f2JCXfEGf3Rda7uXRvRFv xqDZl0Bb7XVAHpkImE72LrPYPlz4WFAsvFWNkWwZkA+QOKhbX99tWhwEvTWh1T7P7wRn RPcBdJFnhJ0Q0DgEQsoNw3oLWFLBF4NX8yii/gRFh0j97DbU6c/86Wfp/BQ2H9TH18uW G2yJg3bfg8ZVwsMz2mrk8KtBWMqH/poVjlwuXfKp3KxAZvHkzM/dJNfqzhCgpMNhyFwh tE0w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=QQvNVz0Q; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id b6si8744646ejb.254.2021.03.26.10.59.16; Fri, 26 Mar 2021 10:59:16 -0700 (PDT) Received-SPF: pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=QQvNVz0Q; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230318AbhCZR6n (ORCPT + 6 others); Fri, 26 Mar 2021 13:58:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40530 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230242AbhCZR6O (ORCPT ); Fri, 26 Mar 2021 13:58:14 -0400 Received: from mail-lj1-x231.google.com (mail-lj1-x231.google.com [IPv6:2a00:1450:4864:20::231]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5CC3BC0613B3 for ; Fri, 26 Mar 2021 10:58:14 -0700 (PDT) Received: by mail-lj1-x231.google.com with SMTP id u4so8382871ljo.6 for ; Fri, 26 Mar 2021 10:58:14 -0700 (PDT) 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=1XWrsj3dJwSrfufEFgLCZmi7yoC1QmoKQ7JDMUs4x5U=; b=QQvNVz0Qk43rfmOgDmj4FuygNAbkA+Wxtx0QDebmBNYwE963Z1i90oUylRTiiUK/fJ rM5mAYYwah96UPBCviX4uiA8xMGKRggRwG8lK7C77fZyNdXg971UuDcMV1imLLDx9PIZ Sy0hcqoqTsigAD/MroFxAFyYiD2z12cAyyqLt7ONJBkrRe7mJWnGn0oqVonsus+x75fc uVtGgMn05AswFdeBRE7r/ezOUbLzyw0+/rCQdjLzBMsEv/m22zGaS70G6K5wuDOU5PRA xA0FOSPdA1wDtryq36Wtc7AAlwICOkpio2KEtyRzDjWv9KaglSFZjuwx/06VDbo+Gf4j KMdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=1XWrsj3dJwSrfufEFgLCZmi7yoC1QmoKQ7JDMUs4x5U=; b=QLr6ee6ESDFEAKrPeoyGT3qYHg0qZPVsYgC2pkOQPyMGU/nM1wQXd/VO7BAetq7Cqv I+CeF2knSNEFQXek8KFGso4FtNCGSqhOeHN2R5Pym4fGRgwRPJ66/PODJea8sJnfAM5Y 6GVEzbTX54yxXX4ml1xP+bFfQaHle63Te5816/95QvCxKQuI+R0lI/4/yd9Z1j9d5LUe ZnvCtcweJaTqtyIQyTiDZMEBmDxHzY/bkX3c6VwEVX8or2XP76ogpa5LM1Fuj8hfvtKQ lX7ubJIIW9EONoV0Q7DXkuEUW1AWh+pnQcQ9aJg/LWvlbu0BtxalCQjlTLCuy/aA2FDL ErZA== X-Gm-Message-State: AOAM530swqcTxYaVlisw369gdp/Uj7UIROzBp9ai6uLJ3pTAVtywZSy2 bm7St1B9RFtMVHdY1i8qYPhxeQ== X-Received: by 2002:a2e:988f:: with SMTP id b15mr10071833ljj.394.1616781492873; Fri, 26 Mar 2021 10:58:12 -0700 (PDT) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id f3sm1249554ljm.5.2021.03.26.10.58.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Mar 2021 10:58:12 -0700 (PDT) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Vinod Koul , Kishon Vijay Abraham I , Rob Herring Cc: Manu Gautam , Stephen Boyd , Jonathan Marek , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v4 2/7] dt-bindings: phy: qcom, qmp-usb3-dp: Add support for SM8250 Date: Fri, 26 Mar 2021 20:58:04 +0300 Message-Id: <20210326175809.2923789-3-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210326175809.2923789-1-dmitry.baryshkov@linaro.org> References: <20210326175809.2923789-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add compatible for SM8250 in QMP USB3 DP PHY bindings. Signed-off-by: Dmitry Baryshkov --- Documentation/devicetree/bindings/phy/qcom,qmp-usb3-dp-phy.yaml | 1 + 1 file changed, 1 insertion(+) -- 2.30.2 Acked-by: Rob Herring diff --git a/Documentation/devicetree/bindings/phy/qcom,qmp-usb3-dp-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,qmp-usb3-dp-phy.yaml index 62c0179d1765..217aa6c91893 100644 --- a/Documentation/devicetree/bindings/phy/qcom,qmp-usb3-dp-phy.yaml +++ b/Documentation/devicetree/bindings/phy/qcom,qmp-usb3-dp-phy.yaml @@ -15,6 +15,7 @@ properties: enum: - qcom,sc7180-qmp-usb3-dp-phy - qcom,sdm845-qmp-usb3-dp-phy + - qcom,sm8250-qmp-usb3-dp-phy reg: items: - description: Address and length of PHY's USB serdes block. From patchwork Fri Mar 26 17:58:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 409641 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 527FCC433E9 for ; Fri, 26 Mar 2021 17:59:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2680161A54 for ; Fri, 26 Mar 2021 17:59:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230271AbhCZR6o (ORCPT ); Fri, 26 Mar 2021 13:58:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40542 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230253AbhCZR6P (ORCPT ); Fri, 26 Mar 2021 13:58:15 -0400 Received: from mail-lj1-x232.google.com (mail-lj1-x232.google.com [IPv6:2a00:1450:4864:20::232]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 65D73C0613B2 for ; Fri, 26 Mar 2021 10:58:15 -0700 (PDT) Received: by mail-lj1-x232.google.com with SMTP id u4so8382920ljo.6 for ; Fri, 26 Mar 2021 10:58:15 -0700 (PDT) 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=gAEea5PCJ6ti1GOoj0y306dZ4fehzSywd5roEXIQ768=; b=dUwsatwvQ9gRVSA/+VBzwyIHWrxiFkbkypZoMsHiiIWEhaAfjwiN/md6et4ucIO3HF BoqdyMduL1IBSnOaj1lUYqzKFCBy3B/YKJ+Rajc+9UQiuqxxqy2a8uikg6s1XABLhXHj vsUoi44YoI2bPZayrYV7/JOMVeM9oEn+VEVgmmieCgaFKkq6aeDZc8Jg7NXvjav6BvJi 94sCYKx8gvMoTXm/EkQD7kXDksgG6uVo1q5lHgBCw1xyFnC8CpmYv3ZtsMIndjLfDeNn oZfjS4rRwmsFQkbErwlBzOgCpNDIcXhfUtkwtzu+2AlNOkrdNbGRHXNlqJZGxljDiWIx ZMWA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=gAEea5PCJ6ti1GOoj0y306dZ4fehzSywd5roEXIQ768=; b=PhIw1i6SJ/V07S1gVKnY7YftNBqBIGCBb4QwkJUjvMe7n2pvKhkX+GJMe3DoO4JZwW fPte2aEjoHguM43mOpr5LTh0YzvE4/3mzWTGgF/xiyxZSakaxLblpwYodQt4OKg+uzjM SG1RVjO0iYMyPQh4LAKWMIzdrbOvjdJPHC4IUyXhmleL/m/aEt0qitHP0Rc7swKKopzW jd+Sn8KDeZGTpUIsAu0dcfrhQC2aW4Ct3WR7rSzjtrVa3vtZWaEAZ5aB7xF8hg1PuWCV FqiNh+Er01+du+U4y92V17fS4+VHxBGRVtxfkgdNORSAMzShPUcB8uGeaNu1JB/VFQv2 6W4A== X-Gm-Message-State: AOAM531nCVIwfL2BomcpL+BDi/8lRFU8zdGrJG4zStMEM3ijFNwIbu1K Zc8xMuXCM1M8myZtmqfnLAK44A== X-Google-Smtp-Source: ABdhPJyE7d6SCO1lS5uZBT5NFPhKj7bbCFuAwRk2OmEkNou93FF+HWO9/RW5v80Xt/puinaIbRcR4w== X-Received: by 2002:a2e:86d0:: with SMTP id n16mr10022356ljj.288.1616781493849; Fri, 26 Mar 2021 10:58:13 -0700 (PDT) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id f3sm1249554ljm.5.2021.03.26.10.58.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Mar 2021 10:58:13 -0700 (PDT) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Vinod Koul , Kishon Vijay Abraham I , Rob Herring Cc: Manu Gautam , Stephen Boyd , Jonathan Marek , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v4 3/7] phy: qcom-qmp: move DP functions to callbacks Date: Fri, 26 Mar 2021 20:58:05 +0300 Message-Id: <20210326175809.2923789-4-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210326175809.2923789-1-dmitry.baryshkov@linaro.org> References: <20210326175809.2923789-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org In preparation to adding support for V4 DP PHY move DP functions to callbacks at struct qmp_phy_cfg. Signed-off-by: Dmitry Baryshkov --- drivers/phy/qualcomm/phy-qcom-qmp.c | 438 +++++++++++++++------------- 1 file changed, 231 insertions(+), 207 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c index 9cdebe7f26cb..4150096fd350 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c @@ -2268,6 +2268,8 @@ static const struct qmp_phy_init_tbl sm8350_usb3_uniphy_pcs_tbl[] = { QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21), }; +struct qmp_phy; + /* struct qmp_phy_cfg - per-PHY initialization config */ struct qmp_phy_cfg { /* phy-type - PCIE/UFS/USB */ @@ -2307,6 +2309,12 @@ struct qmp_phy_cfg { const struct qmp_phy_init_tbl *serdes_tbl_hbr3; int serdes_tbl_hbr3_num; + /* DP PHY callbacks */ + int (*configure_dp_phy)(struct qmp_phy *qphy); + void (*configure_dp_tx)(struct qmp_phy *qphy); + int (*calibrate_dp_phy)(struct qmp_phy *qphy); + void (*dp_aux_init)(struct qmp_phy *qphy); + /* clock ids to be requested */ const char * const *clk_list; int num_clks; @@ -2423,6 +2431,216 @@ struct qcom_qmp { struct reset_control *ufs_reset; }; +static void qcom_qmp_v3_phy_dp_aux_init(struct qmp_phy *qphy) +{ + writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN | + DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN, + qphy->pcs + QSERDES_V3_DP_PHY_PD_CTL); + + /* Turn on BIAS current for PHY/PLL */ + writel(QSERDES_V3_COM_BIAS_EN | QSERDES_V3_COM_BIAS_EN_MUX | + QSERDES_V3_COM_CLKBUF_L_EN | QSERDES_V3_COM_EN_SYSCLK_TX_SEL, + qphy->serdes + QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN); + + writel(DP_PHY_PD_CTL_PSR_PWRDN, qphy->pcs + QSERDES_V3_DP_PHY_PD_CTL); + + writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN | + DP_PHY_PD_CTL_LANE_0_1_PWRDN | + DP_PHY_PD_CTL_LANE_2_3_PWRDN | DP_PHY_PD_CTL_PLL_PWRDN | + DP_PHY_PD_CTL_DP_CLAMP_EN, + qphy->pcs + QSERDES_V3_DP_PHY_PD_CTL); + + writel(QSERDES_V3_COM_BIAS_EN | + QSERDES_V3_COM_BIAS_EN_MUX | QSERDES_V3_COM_CLKBUF_R_EN | + QSERDES_V3_COM_CLKBUF_L_EN | QSERDES_V3_COM_EN_SYSCLK_TX_SEL | + QSERDES_V3_COM_CLKBUF_RX_DRIVE_L, + qphy->serdes + QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN); + + writel(0x00, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG0); + writel(0x13, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG1); + writel(0x24, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG2); + writel(0x00, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG3); + writel(0x0a, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG4); + writel(0x26, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG5); + writel(0x0a, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG6); + writel(0x03, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG7); + writel(0xbb, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG8); + writel(0x03, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG9); + qphy->dp_aux_cfg = 0; + + writel(PHY_AUX_STOP_ERR_MASK | PHY_AUX_DEC_ERR_MASK | + PHY_AUX_SYNC_ERR_MASK | PHY_AUX_ALIGN_ERR_MASK | + PHY_AUX_REQ_ERR_MASK, + qphy->pcs + QSERDES_V3_DP_PHY_AUX_INTERRUPT_MASK); +} + +static const u8 qmp_dp_v3_pre_emphasis_hbr_rbr[4][4] = { + { 0x00, 0x0c, 0x14, 0x19 }, + { 0x00, 0x0b, 0x12, 0xff }, + { 0x00, 0x0b, 0xff, 0xff }, + { 0x04, 0xff, 0xff, 0xff } +}; + +static const u8 qmp_dp_v3_voltage_swing_hbr_rbr[4][4] = { + { 0x08, 0x0f, 0x16, 0x1f }, + { 0x11, 0x1e, 0x1f, 0xff }, + { 0x19, 0x1f, 0xff, 0xff }, + { 0x1f, 0xff, 0xff, 0xff } +}; + +static void qcom_qmp_v3_phy_configure_dp_tx(struct qmp_phy *qphy) +{ + const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts; + unsigned int v_level = 0, p_level = 0; + u32 bias_en, drvr_en; + u8 voltage_swing_cfg, pre_emphasis_cfg; + int i; + + for (i = 0; i < dp_opts->lanes; i++) { + v_level = max(v_level, dp_opts->voltage[i]); + p_level = max(p_level, dp_opts->pre[i]); + } + + if (dp_opts->lanes == 1) { + bias_en = 0x3e; + drvr_en = 0x13; + } else { + bias_en = 0x3f; + drvr_en = 0x10; + } + + voltage_swing_cfg = qmp_dp_v3_voltage_swing_hbr_rbr[v_level][p_level]; + pre_emphasis_cfg = qmp_dp_v3_pre_emphasis_hbr_rbr[v_level][p_level]; + + /* TODO: Move check to config check */ + if (voltage_swing_cfg == 0xFF && pre_emphasis_cfg == 0xFF) + return; + + /* Enable MUX to use Cursor values from these registers */ + voltage_swing_cfg |= DP_PHY_TXn_TX_DRV_LVL_MUX_EN; + pre_emphasis_cfg |= DP_PHY_TXn_TX_EMP_POST1_LVL_MUX_EN; + + writel(voltage_swing_cfg, qphy->tx + QSERDES_V3_TX_TX_DRV_LVL); + writel(pre_emphasis_cfg, qphy->tx + QSERDES_V3_TX_TX_EMP_POST1_LVL); + writel(voltage_swing_cfg, qphy->tx2 + QSERDES_V3_TX_TX_DRV_LVL); + writel(pre_emphasis_cfg, qphy->tx2 + QSERDES_V3_TX_TX_EMP_POST1_LVL); + + writel(drvr_en, qphy->tx + QSERDES_V3_TX_HIGHZ_DRVR_EN); + writel(bias_en, qphy->tx + QSERDES_V3_TX_TRANSCEIVER_BIAS_EN); + writel(drvr_en, qphy->tx2 + QSERDES_V3_TX_HIGHZ_DRVR_EN); + writel(bias_en, qphy->tx2 + QSERDES_V3_TX_TRANSCEIVER_BIAS_EN); +} + +static int qcom_qmp_v3_phy_configure_dp_phy(struct qmp_phy *qphy) +{ + const struct qmp_phy_dp_clks *dp_clks = qphy->dp_clks; + const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts; + u32 val, phy_vco_div, status; + unsigned long pixel_freq; + + val = DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN | + DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN; + + /* + * TODO: Assume orientation is CC1 for now and two lanes, need to + * use type-c connector to understand orientation and lanes. + * + * Otherwise val changes to be like below if this code understood + * the orientation of the type-c cable. + * + * if (lane_cnt == 4 || orientation == ORIENTATION_CC2) + * val |= DP_PHY_PD_CTL_LANE_0_1_PWRDN; + * if (lane_cnt == 4 || orientation == ORIENTATION_CC1) + * val |= DP_PHY_PD_CTL_LANE_2_3_PWRDN; + * if (orientation == ORIENTATION_CC2) + * writel(0x4c, qphy->pcs + QSERDES_V3_DP_PHY_MODE); + */ + val |= DP_PHY_PD_CTL_LANE_2_3_PWRDN; + writel(val, qphy->pcs + QSERDES_V3_DP_PHY_PD_CTL); + + writel(0x5c, qphy->pcs + QSERDES_V3_DP_PHY_MODE); + writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_TX0_TX1_LANE_CTL); + writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_TX2_TX3_LANE_CTL); + + switch (dp_opts->link_rate) { + case 1620: + phy_vco_div = 0x1; + pixel_freq = 1620000000UL / 2; + break; + case 2700: + phy_vco_div = 0x1; + pixel_freq = 2700000000UL / 2; + break; + case 5400: + phy_vco_div = 0x2; + pixel_freq = 5400000000UL / 4; + break; + case 8100: + phy_vco_div = 0x0; + pixel_freq = 8100000000UL / 6; + break; + default: + /* Other link rates aren't supported */ + return -EINVAL; + } + writel(phy_vco_div, qphy->pcs + QSERDES_V3_DP_PHY_VCO_DIV); + + clk_set_rate(dp_clks->dp_link_hw.clk, dp_opts->link_rate * 100000); + clk_set_rate(dp_clks->dp_pixel_hw.clk, pixel_freq); + + writel(0x04, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG2); + writel(0x01, qphy->pcs + QSERDES_V3_DP_PHY_CFG); + writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_CFG); + writel(0x01, qphy->pcs + QSERDES_V3_DP_PHY_CFG); + writel(0x09, qphy->pcs + QSERDES_V3_DP_PHY_CFG); + + writel(0x20, qphy->serdes + QSERDES_V3_COM_RESETSM_CNTRL); + + if (readl_poll_timeout(qphy->serdes + QSERDES_V3_COM_C_READY_STATUS, + status, + ((status & BIT(0)) > 0), + 500, + 10000)) + return -ETIMEDOUT; + + writel(0x19, qphy->pcs + QSERDES_V3_DP_PHY_CFG); + + if (readl_poll_timeout(qphy->pcs + QSERDES_V3_DP_PHY_STATUS, + status, + ((status & BIT(1)) > 0), + 500, + 10000)) + return -ETIMEDOUT; + + writel(0x18, qphy->pcs + QSERDES_V3_DP_PHY_CFG); + udelay(2000); + writel(0x19, qphy->pcs + QSERDES_V3_DP_PHY_CFG); + + return readl_poll_timeout(qphy->pcs + QSERDES_V3_DP_PHY_STATUS, + status, + ((status & BIT(1)) > 0), + 500, + 10000); +} + +/* + * We need to calibrate the aux setting here as many times + * as the caller tries + */ +static int qcom_qmp_v3_dp_phy_calibrate(struct qmp_phy *qphy) +{ + static const u8 cfg1_settings[] = { 0x13, 0x23, 0x1d }; + u8 val; + + qphy->dp_aux_cfg++; + qphy->dp_aux_cfg %= ARRAY_SIZE(cfg1_settings); + val = cfg1_settings[qphy->dp_aux_cfg]; + + writel(val, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG1); + + return 0; +} + static inline void qphy_setbits(void __iomem *base, u32 offset, u32 val) { u32 reg; @@ -2871,6 +3089,11 @@ static const struct qmp_phy_cfg sc7180_dpphy_cfg = { .has_phy_dp_com_ctrl = true, .is_dual_lane_phy = true, + + .dp_aux_init = qcom_qmp_v3_phy_dp_aux_init, + .configure_dp_tx = qcom_qmp_v3_phy_configure_dp_tx, + .configure_dp_phy = qcom_qmp_v3_phy_configure_dp_phy, + .calibrate_dp_phy = qcom_qmp_v3_dp_phy_calibrate, }; static const struct qmp_phy_combo_cfg sc7180_usb3dpphy_cfg = { @@ -3332,227 +3555,28 @@ static int qcom_qmp_phy_serdes_init(struct qmp_phy *qphy) return 0; } -static void qcom_qmp_phy_dp_aux_init(struct qmp_phy *qphy) -{ - writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN | - DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN, - qphy->pcs + QSERDES_V3_DP_PHY_PD_CTL); - - /* Turn on BIAS current for PHY/PLL */ - writel(QSERDES_V3_COM_BIAS_EN | QSERDES_V3_COM_BIAS_EN_MUX | - QSERDES_V3_COM_CLKBUF_L_EN | QSERDES_V3_COM_EN_SYSCLK_TX_SEL, - qphy->serdes + QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN); - - writel(DP_PHY_PD_CTL_PSR_PWRDN, qphy->pcs + QSERDES_V3_DP_PHY_PD_CTL); - - writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN | - DP_PHY_PD_CTL_LANE_0_1_PWRDN | - DP_PHY_PD_CTL_LANE_2_3_PWRDN | DP_PHY_PD_CTL_PLL_PWRDN | - DP_PHY_PD_CTL_DP_CLAMP_EN, - qphy->pcs + QSERDES_V3_DP_PHY_PD_CTL); - - writel(QSERDES_V3_COM_BIAS_EN | - QSERDES_V3_COM_BIAS_EN_MUX | QSERDES_V3_COM_CLKBUF_R_EN | - QSERDES_V3_COM_CLKBUF_L_EN | QSERDES_V3_COM_EN_SYSCLK_TX_SEL | - QSERDES_V3_COM_CLKBUF_RX_DRIVE_L, - qphy->serdes + QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN); - - writel(0x00, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG0); - writel(0x13, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG1); - writel(0x24, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG2); - writel(0x00, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG3); - writel(0x0a, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG4); - writel(0x26, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG5); - writel(0x0a, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG6); - writel(0x03, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG7); - writel(0xbb, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG8); - writel(0x03, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG9); - qphy->dp_aux_cfg = 0; - - writel(PHY_AUX_STOP_ERR_MASK | PHY_AUX_DEC_ERR_MASK | - PHY_AUX_SYNC_ERR_MASK | PHY_AUX_ALIGN_ERR_MASK | - PHY_AUX_REQ_ERR_MASK, - qphy->pcs + QSERDES_V3_DP_PHY_AUX_INTERRUPT_MASK); -} - -static const u8 qmp_dp_v3_pre_emphasis_hbr_rbr[4][4] = { - { 0x00, 0x0c, 0x14, 0x19 }, - { 0x00, 0x0b, 0x12, 0xff }, - { 0x00, 0x0b, 0xff, 0xff }, - { 0x04, 0xff, 0xff, 0xff } -}; - -static const u8 qmp_dp_v3_voltage_swing_hbr_rbr[4][4] = { - { 0x08, 0x0f, 0x16, 0x1f }, - { 0x11, 0x1e, 0x1f, 0xff }, - { 0x19, 0x1f, 0xff, 0xff }, - { 0x1f, 0xff, 0xff, 0xff } -}; - -static void qcom_qmp_phy_configure_dp_tx(struct qmp_phy *qphy) -{ - const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts; - unsigned int v_level = 0, p_level = 0; - u32 bias_en, drvr_en; - u8 voltage_swing_cfg, pre_emphasis_cfg; - int i; - - for (i = 0; i < dp_opts->lanes; i++) { - v_level = max(v_level, dp_opts->voltage[i]); - p_level = max(p_level, dp_opts->pre[i]); - } - - if (dp_opts->lanes == 1) { - bias_en = 0x3e; - drvr_en = 0x13; - } else { - bias_en = 0x3f; - drvr_en = 0x10; - } - - voltage_swing_cfg = qmp_dp_v3_voltage_swing_hbr_rbr[v_level][p_level]; - pre_emphasis_cfg = qmp_dp_v3_pre_emphasis_hbr_rbr[v_level][p_level]; - - /* TODO: Move check to config check */ - if (voltage_swing_cfg == 0xFF && pre_emphasis_cfg == 0xFF) - return; - - /* Enable MUX to use Cursor values from these registers */ - voltage_swing_cfg |= DP_PHY_TXn_TX_DRV_LVL_MUX_EN; - pre_emphasis_cfg |= DP_PHY_TXn_TX_EMP_POST1_LVL_MUX_EN; - - writel(voltage_swing_cfg, qphy->tx + QSERDES_V3_TX_TX_DRV_LVL); - writel(pre_emphasis_cfg, qphy->tx + QSERDES_V3_TX_TX_EMP_POST1_LVL); - writel(voltage_swing_cfg, qphy->tx2 + QSERDES_V3_TX_TX_DRV_LVL); - writel(pre_emphasis_cfg, qphy->tx2 + QSERDES_V3_TX_TX_EMP_POST1_LVL); - - writel(drvr_en, qphy->tx + QSERDES_V3_TX_HIGHZ_DRVR_EN); - writel(bias_en, qphy->tx + QSERDES_V3_TX_TRANSCEIVER_BIAS_EN); - writel(drvr_en, qphy->tx2 + QSERDES_V3_TX_HIGHZ_DRVR_EN); - writel(bias_en, qphy->tx2 + QSERDES_V3_TX_TRANSCEIVER_BIAS_EN); -} - static int qcom_qmp_dp_phy_configure(struct phy *phy, union phy_configure_opts *opts) { const struct phy_configure_opts_dp *dp_opts = &opts->dp; struct qmp_phy *qphy = phy_get_drvdata(phy); + const struct qmp_phy_cfg *cfg = qphy->cfg; memcpy(&qphy->dp_opts, dp_opts, sizeof(*dp_opts)); if (qphy->dp_opts.set_voltages) { - qcom_qmp_phy_configure_dp_tx(qphy); + cfg->configure_dp_tx(qphy); qphy->dp_opts.set_voltages = 0; } return 0; } -static int qcom_qmp_phy_configure_dp_phy(struct qmp_phy *qphy) -{ - const struct qmp_phy_dp_clks *dp_clks = qphy->dp_clks; - const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts; - u32 val, phy_vco_div, status; - unsigned long pixel_freq; - - val = DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN | - DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN; - - /* - * TODO: Assume orientation is CC1 for now and two lanes, need to - * use type-c connector to understand orientation and lanes. - * - * Otherwise val changes to be like below if this code understood - * the orientation of the type-c cable. - * - * if (lane_cnt == 4 || orientation == ORIENTATION_CC2) - * val |= DP_PHY_PD_CTL_LANE_0_1_PWRDN; - * if (lane_cnt == 4 || orientation == ORIENTATION_CC1) - * val |= DP_PHY_PD_CTL_LANE_2_3_PWRDN; - * if (orientation == ORIENTATION_CC2) - * writel(0x4c, qphy->pcs + QSERDES_V3_DP_PHY_MODE); - */ - val |= DP_PHY_PD_CTL_LANE_2_3_PWRDN; - writel(val, qphy->pcs + QSERDES_V3_DP_PHY_PD_CTL); - - writel(0x5c, qphy->pcs + QSERDES_V3_DP_PHY_MODE); - writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_TX0_TX1_LANE_CTL); - writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_TX2_TX3_LANE_CTL); - - switch (dp_opts->link_rate) { - case 1620: - phy_vco_div = 0x1; - pixel_freq = 1620000000UL / 2; - break; - case 2700: - phy_vco_div = 0x1; - pixel_freq = 2700000000UL / 2; - break; - case 5400: - phy_vco_div = 0x2; - pixel_freq = 5400000000UL / 4; - break; - case 8100: - phy_vco_div = 0x0; - pixel_freq = 8100000000UL / 6; - break; - default: - /* Other link rates aren't supported */ - return -EINVAL; - } - writel(phy_vco_div, qphy->pcs + QSERDES_V3_DP_PHY_VCO_DIV); - - clk_set_rate(dp_clks->dp_link_hw.clk, dp_opts->link_rate * 100000); - clk_set_rate(dp_clks->dp_pixel_hw.clk, pixel_freq); - - writel(0x04, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG2); - writel(0x01, qphy->pcs + QSERDES_V3_DP_PHY_CFG); - writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_CFG); - writel(0x01, qphy->pcs + QSERDES_V3_DP_PHY_CFG); - writel(0x09, qphy->pcs + QSERDES_V3_DP_PHY_CFG); - - writel(0x20, qphy->serdes + QSERDES_V3_COM_RESETSM_CNTRL); - - if (readl_poll_timeout(qphy->serdes + QSERDES_V3_COM_C_READY_STATUS, - status, - ((status & BIT(0)) > 0), - 500, - 10000)) - return -ETIMEDOUT; - - writel(0x19, qphy->pcs + QSERDES_V3_DP_PHY_CFG); - - if (readl_poll_timeout(qphy->pcs + QSERDES_V3_DP_PHY_STATUS, - status, - ((status & BIT(1)) > 0), - 500, - 10000)) - return -ETIMEDOUT; - - writel(0x18, qphy->pcs + QSERDES_V3_DP_PHY_CFG); - udelay(2000); - writel(0x19, qphy->pcs + QSERDES_V3_DP_PHY_CFG); - - return readl_poll_timeout(qphy->pcs + QSERDES_V3_DP_PHY_STATUS, - status, - ((status & BIT(1)) > 0), - 500, - 10000); -} - -/* - * We need to calibrate the aux setting here as many times - * as the caller tries - */ static int qcom_qmp_dp_phy_calibrate(struct phy *phy) { struct qmp_phy *qphy = phy_get_drvdata(phy); - static const u8 cfg1_settings[] = { 0x13, 0x23, 0x1d }; - u8 val; - - qphy->dp_aux_cfg++; - qphy->dp_aux_cfg %= ARRAY_SIZE(cfg1_settings); - val = cfg1_settings[qphy->dp_aux_cfg]; + const struct qmp_phy_cfg *cfg = qphy->cfg; - writel(val, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG1); + if (cfg->calibrate_dp_phy) + return cfg->calibrate_dp_phy(qphy); return 0; } @@ -3729,7 +3753,7 @@ static int qcom_qmp_phy_init(struct phy *phy) return ret; if (cfg->type == PHY_TYPE_DP) - qcom_qmp_phy_dp_aux_init(qphy); + cfg->dp_aux_init(qphy); return 0; } @@ -3783,7 +3807,7 @@ static int qcom_qmp_phy_power_on(struct phy *phy) /* Configure special DP tx tunings */ if (cfg->type == PHY_TYPE_DP) - qcom_qmp_phy_configure_dp_tx(qphy); + cfg->configure_dp_tx(qphy); qcom_qmp_phy_configure_lane(rx, cfg->regs, cfg->rx_tbl, cfg->rx_tbl_num, 1); @@ -3802,7 +3826,7 @@ static int qcom_qmp_phy_power_on(struct phy *phy) /* Configure link rate, swing, etc. */ if (cfg->type == PHY_TYPE_DP) { - qcom_qmp_phy_configure_dp_phy(qphy); + cfg->configure_dp_phy(qphy); } else { qcom_qmp_phy_configure(pcs, cfg->regs, cfg->pcs_tbl, cfg->pcs_tbl_num); if (cfg->pcs_tbl_sec) From patchwork Fri Mar 26 17:58:07 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 409640 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B6503C433F2 for ; Fri, 26 Mar 2021 17:59:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6EEF261A2D for ; Fri, 26 Mar 2021 17:59:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230254AbhCZR6p (ORCPT ); Fri, 26 Mar 2021 13:58:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40558 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230286AbhCZR6R (ORCPT ); Fri, 26 Mar 2021 13:58:17 -0400 Received: from mail-lf1-x12d.google.com (mail-lf1-x12d.google.com [IPv6:2a00:1450:4864:20::12d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 14EB5C0613B1 for ; Fri, 26 Mar 2021 10:58:17 -0700 (PDT) Received: by mail-lf1-x12d.google.com with SMTP id m12so8888254lfq.10 for ; Fri, 26 Mar 2021 10:58:16 -0700 (PDT) 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=apQCWP1ts1oa30XdCThQ+Bzfibdl2QjOaHGr8QnRazg=; b=UDMcYxIX1C/boSFbqw5s+IyImS6KXOloruimDLAtph6G92SYoprxj5sGp7f37DMBue vHj6AAZP3TGz292JgoMQGtkBUGta6eAZew7IABf9udb0eRunjzxg/+SUCy6GfeVY5WpS b6yug4EkUBVtOzobN78q3t4rf6WXEIYbTuuhZrSBpSTXklDJ/HgpRH2FjyWbQ0sLc6Ar V0/jLt3iR7+Ay/5G7V/ydXcw1DcSp2Kvgo+COT7kCox4ytEdY3ZM3u0WFCQc/jxfSlZ5 DIV4zbHt4JZtLB1P0P5DzgZ4h0cU6fniGTC0qUdbcSyNPymCee/xr6CWWomSbPnXMt2l DcQQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=apQCWP1ts1oa30XdCThQ+Bzfibdl2QjOaHGr8QnRazg=; b=se+rpBiWS5FCqHsLIRGvUqm0ixER5xaDz4CHKhUrV8riO2bpE6wiy2tz1yiEKOF/OZ STSV16iHcpZnSMnqfRTzMn7bhJglTTF2GMn69S/rpjSWBfNhm3g5lADPTz2XYAryCKXF PgKo+E7p9Z79nKpo265tqOqPwqbueY7tgRUrK0N0q8kRkMkYyi+hnApLpXnvqJVKd37C 6/0PbEwzB58sY+mebnfH09L3ia5QByzosJSkV8XGkCHEVnN1ap+n+rik8+yOZYDfz5UV lmaSbkLKy1FLfvtUzvaQzRX/l7rrcfx1PU4FRS8XxUY1s4DtWnVw93Yu5SSuj3gasJYH YXsg== X-Gm-Message-State: AOAM530cT8NSdB8xX90kM+A/izaAs1v2KQQTj8Ujhw5du+Y4PvGAEHnj gOpJhaQzJuc6ixkfHbKnT6vJaA== X-Google-Smtp-Source: ABdhPJx28UP//6GSDU3y1paHLrx9wu6lDSDQJkLEClPKbGJWA9ukMpzAKRlrYZT8JAeaCZTm4rQM8w== X-Received: by 2002:a05:6512:2356:: with SMTP id p22mr8596264lfu.347.1616781495530; Fri, 26 Mar 2021 10:58:15 -0700 (PDT) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id f3sm1249554ljm.5.2021.03.26.10.58.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Mar 2021 10:58:15 -0700 (PDT) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Vinod Koul , Kishon Vijay Abraham I , Rob Herring Cc: Manu Gautam , Stephen Boyd , Jonathan Marek , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v4 5/7] phy: qcom-qmp: add support for sm8250-usb3-dp phy Date: Fri, 26 Mar 2021 20:58:07 +0300 Message-Id: <20210326175809.2923789-6-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210326175809.2923789-1-dmitry.baryshkov@linaro.org> References: <20210326175809.2923789-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add support for QMP V4 Combo USB3+DP PHY (for SM8250 platform). Signed-off-by: Dmitry Baryshkov --- drivers/phy/qualcomm/phy-qcom-qmp.c | 388 ++++++++++++++++++++++++++-- drivers/phy/qualcomm/phy-qcom-qmp.h | 40 ++- 2 files changed, 406 insertions(+), 22 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c index 097bc005ba43..a47da2fff7a1 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c @@ -1840,6 +1840,86 @@ static const struct qmp_phy_init_tbl sm8250_usb3_uniphy_pcs_tbl[] = { QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21), }; +static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl[] = { + QMP_PHY_INIT_CFG(QSERDES_V4_COM_SVS_MODE_CLK_SEL, 0x05), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x3b), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYS_CLK_CTRL, 0x02), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_CLK_ENABLE1, 0x0c), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_BUF_ENABLE, 0x06), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_CLK_SELECT, 0x30), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_IVCO, 0x0f), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE0, 0x36), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE0, 0x16), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE0, 0x06), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_CMN_CONFIG, 0x02), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_INTEGLOOP_GAIN0_MODE0, 0x3f), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_INTEGLOOP_GAIN1_MODE0, 0x00), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x00), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE0, 0x00), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_BG_TIMER, 0x0a), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_CORECLK_DIV_MODE0, 0x0a), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_CTRL, 0x00), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIAS_EN_CLKBUFLR_EN, 0x17), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_CORE_CLK_EN, 0x1f), +}; + +static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl_rbr[] = { + QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x05), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x69), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0x80), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x07), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x6f), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x08), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x04), +}; + +static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl_hbr[] = { + QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x03), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x69), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0x80), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x07), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x0f), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x0e), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x08), +}; + +static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl_hbr2[] = { + QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x8c), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0x00), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x0a), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x1f), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x1c), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x08), +}; + +static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl_hbr3[] = { + QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x00), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x69), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0x80), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x07), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x2f), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x2a), + QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x08), +}; + +static const struct qmp_phy_init_tbl qmp_v4_dp_tx_tbl[] = { + QMP_PHY_INIT_CFG(QSERDES_V4_TX_VMODE_CTRL1, 0x40), + QMP_PHY_INIT_CFG(QSERDES_V4_TX_PRE_STALL_LDO_BOOST_EN, 0x30), + QMP_PHY_INIT_CFG(QSERDES_V4_TX_INTERFACE_SELECT, 0x3b), + QMP_PHY_INIT_CFG(QSERDES_V4_TX_CLKBUF_ENABLE, 0x0f), + QMP_PHY_INIT_CFG(QSERDES_V4_TX_RESET_TSYNC_EN, 0x03), + QMP_PHY_INIT_CFG(QSERDES_V4_TX_TRAN_DRVR_EMP_EN, 0x0f), + QMP_PHY_INIT_CFG(QSERDES_V4_TX_PARRATE_REC_DETECT_IDLE_EN, 0x00), + QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_INTERFACE_MODE, 0x00), + QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x11), + QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX, 0x11), + QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_BAND, 0x4), + QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_POL_INV, 0x0a), + QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_DRV_LVL, 0x2a), + QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_EMP_POST1_LVL, 0x20), +}; + static const struct qmp_phy_init_tbl sm8250_qmp_pcie_serdes_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x08), QMP_PHY_INIT_CFG(QSERDES_V4_COM_CLK_SELECT, 0x34), @@ -2488,11 +2568,10 @@ static const u8 qmp_dp_v3_voltage_swing_hbr_rbr[4][4] = { { 0x1f, 0xff, 0xff, 0xff } }; -static void qcom_qmp_v3_phy_configure_dp_tx(struct qmp_phy *qphy) +static int qcom_qmp_phy_configure_dp_swing(struct qmp_phy *qphy, unsigned int drv_lvl, unsigned int emp_post) { const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts; unsigned int v_level = 0, p_level = 0; - u32 bias_en, drvr_en; u8 voltage_swing_cfg, pre_emphasis_cfg; int i; @@ -2501,29 +2580,42 @@ static void qcom_qmp_v3_phy_configure_dp_tx(struct qmp_phy *qphy) p_level = max(p_level, dp_opts->pre[i]); } - if (dp_opts->lanes == 1) { - bias_en = 0x3e; - drvr_en = 0x13; - } else { - bias_en = 0x3f; - drvr_en = 0x10; - } - voltage_swing_cfg = qmp_dp_v3_voltage_swing_hbr_rbr[v_level][p_level]; pre_emphasis_cfg = qmp_dp_v3_pre_emphasis_hbr_rbr[v_level][p_level]; /* TODO: Move check to config check */ if (voltage_swing_cfg == 0xFF && pre_emphasis_cfg == 0xFF) - return; + return -EINVAL; /* Enable MUX to use Cursor values from these registers */ voltage_swing_cfg |= DP_PHY_TXn_TX_DRV_LVL_MUX_EN; pre_emphasis_cfg |= DP_PHY_TXn_TX_EMP_POST1_LVL_MUX_EN; - writel(voltage_swing_cfg, qphy->tx + QSERDES_V3_TX_TX_DRV_LVL); - writel(pre_emphasis_cfg, qphy->tx + QSERDES_V3_TX_TX_EMP_POST1_LVL); - writel(voltage_swing_cfg, qphy->tx2 + QSERDES_V3_TX_TX_DRV_LVL); - writel(pre_emphasis_cfg, qphy->tx2 + QSERDES_V3_TX_TX_EMP_POST1_LVL); + writel(voltage_swing_cfg, qphy->tx + drv_lvl); + writel(pre_emphasis_cfg, qphy->tx + emp_post); + writel(voltage_swing_cfg, qphy->tx2 + drv_lvl); + writel(pre_emphasis_cfg, qphy->tx2 + emp_post); + + return 0; +} + +static void qcom_qmp_v3_phy_configure_dp_tx(struct qmp_phy *qphy) +{ + const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts; + u32 bias_en, drvr_en; + + if (qcom_qmp_phy_configure_dp_swing(qphy, + QSERDES_V3_TX_TX_DRV_LVL, + QSERDES_V3_TX_TX_EMP_POST1_LVL) < 0) + return; + + if (dp_opts->lanes == 1) { + bias_en = 0x3e; + drvr_en = 0x13; + } else { + bias_en = 0x3f; + drvr_en = 0x10; + } writel(drvr_en, qphy->tx + QSERDES_V3_TX_HIGHZ_DRVR_EN); writel(bias_en, qphy->tx + QSERDES_V3_TX_TRANSCEIVER_BIAS_EN); @@ -2531,12 +2623,10 @@ static void qcom_qmp_v3_phy_configure_dp_tx(struct qmp_phy *qphy) writel(bias_en, qphy->tx2 + QSERDES_V3_TX_TRANSCEIVER_BIAS_EN); } -static int qcom_qmp_v3_phy_configure_dp_phy(struct qmp_phy *qphy) +static bool qcom_qmp_phy_configure_dp_mode(struct qmp_phy *qphy) { - const struct qmp_phy_dp_clks *dp_clks = qphy->dp_clks; - const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts; - u32 val, phy_vco_div, status; - unsigned long pixel_freq; + u32 val; + bool reverse = false; val = DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN | DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN; @@ -2559,6 +2649,19 @@ static int qcom_qmp_v3_phy_configure_dp_phy(struct qmp_phy *qphy) writel(val, qphy->pcs + QSERDES_DP_PHY_PD_CTL); writel(0x5c, qphy->pcs + QSERDES_DP_PHY_MODE); + + return reverse; +} + +static int qcom_qmp_v3_phy_configure_dp_phy(struct qmp_phy *qphy) +{ + const struct qmp_phy_dp_clks *dp_clks = qphy->dp_clks; + const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts; + u32 phy_vco_div, status; + unsigned long pixel_freq; + + qcom_qmp_phy_configure_dp_mode(qphy); + writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_TX0_TX1_LANE_CTL); writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_TX2_TX3_LANE_CTL); @@ -2641,6 +2744,204 @@ static int qcom_qmp_v3_dp_phy_calibrate(struct qmp_phy *qphy) return 0; } +static void qcom_qmp_v4_phy_dp_aux_init(struct qmp_phy *qphy) +{ + writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_PSR_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN | + DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN, + qphy->pcs + QSERDES_DP_PHY_PD_CTL); + + /* Turn on BIAS current for PHY/PLL */ + writel(0x17, qphy->serdes + QSERDES_V4_COM_BIAS_EN_CLKBUFLR_EN); + + writel(0x00, qphy->pcs + QSERDES_DP_PHY_AUX_CFG0); + writel(0x13, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1); + writel(0xa4, qphy->pcs + QSERDES_DP_PHY_AUX_CFG2); + writel(0x00, qphy->pcs + QSERDES_DP_PHY_AUX_CFG3); + writel(0x0a, qphy->pcs + QSERDES_DP_PHY_AUX_CFG4); + writel(0x26, qphy->pcs + QSERDES_DP_PHY_AUX_CFG5); + writel(0x0a, qphy->pcs + QSERDES_DP_PHY_AUX_CFG6); + writel(0x03, qphy->pcs + QSERDES_DP_PHY_AUX_CFG7); + writel(0xb7, qphy->pcs + QSERDES_DP_PHY_AUX_CFG8); + writel(0x03, qphy->pcs + QSERDES_DP_PHY_AUX_CFG9); + qphy->dp_aux_cfg = 0; + + writel(PHY_AUX_STOP_ERR_MASK | PHY_AUX_DEC_ERR_MASK | + PHY_AUX_SYNC_ERR_MASK | PHY_AUX_ALIGN_ERR_MASK | + PHY_AUX_REQ_ERR_MASK, + qphy->pcs + QSERDES_V4_DP_PHY_AUX_INTERRUPT_MASK); +} + +static void qcom_qmp_v4_phy_configure_dp_tx(struct qmp_phy *qphy) +{ + /* Program default values before writing proper values */ + writel(0x27, qphy->tx + QSERDES_V4_TX_TX_DRV_LVL); + writel(0x27, qphy->tx2 + QSERDES_V4_TX_TX_DRV_LVL); + + writel(0x20, qphy->tx + QSERDES_V4_TX_TX_EMP_POST1_LVL); + writel(0x20, qphy->tx2 + QSERDES_V4_TX_TX_EMP_POST1_LVL); + + qcom_qmp_phy_configure_dp_swing(qphy, + QSERDES_V4_TX_TX_DRV_LVL, + QSERDES_V4_TX_TX_EMP_POST1_LVL); +} + +static int qcom_qmp_v4_phy_configure_dp_phy(struct qmp_phy *qphy) +{ + const struct qmp_phy_dp_clks *dp_clks = qphy->dp_clks; + const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts; + u32 phy_vco_div, status; + unsigned long pixel_freq; + u32 bias0_en, drvr0_en, bias1_en, drvr1_en; + bool reverse; + + writel(0x0f, qphy->pcs + QSERDES_V4_DP_PHY_CFG_1); + + reverse = qcom_qmp_phy_configure_dp_mode(qphy); + + writel(0x13, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1); + writel(0xa4, qphy->pcs + QSERDES_DP_PHY_AUX_CFG2); + + writel(0x05, qphy->pcs + QSERDES_V4_DP_PHY_TX0_TX1_LANE_CTL); + writel(0x05, qphy->pcs + QSERDES_V4_DP_PHY_TX2_TX3_LANE_CTL); + + switch (dp_opts->link_rate) { + case 1620: + phy_vco_div = 0x1; + pixel_freq = 1620000000UL / 2; + break; + case 2700: + phy_vco_div = 0x1; + pixel_freq = 2700000000UL / 2; + break; + case 5400: + phy_vco_div = 0x2; + pixel_freq = 5400000000UL / 4; + break; + case 8100: + phy_vco_div = 0x0; + pixel_freq = 8100000000UL / 6; + break; + default: + /* Other link rates aren't supported */ + return -EINVAL; + } + writel(phy_vco_div, qphy->pcs + QSERDES_V4_DP_PHY_VCO_DIV); + + clk_set_rate(dp_clks->dp_link_hw.clk, dp_opts->link_rate * 100000); + clk_set_rate(dp_clks->dp_pixel_hw.clk, pixel_freq); + + writel(0x01, qphy->pcs + QSERDES_DP_PHY_CFG); + writel(0x05, qphy->pcs + QSERDES_DP_PHY_CFG); + writel(0x01, qphy->pcs + QSERDES_DP_PHY_CFG); + writel(0x09, qphy->pcs + QSERDES_DP_PHY_CFG); + + writel(0x20, qphy->serdes + QSERDES_V4_COM_RESETSM_CNTRL); + + if (readl_poll_timeout(qphy->serdes + QSERDES_V4_COM_C_READY_STATUS, + status, + ((status & BIT(0)) > 0), + 500, + 10000)) + return -ETIMEDOUT; + + if (readl_poll_timeout(qphy->serdes + QSERDES_V4_COM_CMN_STATUS, + status, + ((status & BIT(0)) > 0), + 500, + 10000)) + return -ETIMEDOUT; + + if (readl_poll_timeout(qphy->serdes + QSERDES_V4_COM_CMN_STATUS, + status, + ((status & BIT(1)) > 0), + 500, + 10000)) + return -ETIMEDOUT; + + writel(0x19, qphy->pcs + QSERDES_DP_PHY_CFG); + + if (readl_poll_timeout(qphy->pcs + QSERDES_V4_DP_PHY_STATUS, + status, + ((status & BIT(0)) > 0), + 500, + 10000)) + return -ETIMEDOUT; + + if (readl_poll_timeout(qphy->pcs + QSERDES_V4_DP_PHY_STATUS, + status, + ((status & BIT(1)) > 0), + 500, + 10000)) + return -ETIMEDOUT; + + /* + * At least for 7nm DP PHY this has to be done after enabling link + * clock. + */ + + if (dp_opts->lanes == 1) { + bias0_en = reverse ? 0x3e : 0x15; + bias1_en = reverse ? 0x15 : 0x3e; + drvr0_en = reverse ? 0x13 : 0x10; + drvr1_en = reverse ? 0x10 : 0x13; + } else if (dp_opts->lanes == 2) { + bias0_en = reverse ? 0x3f : 0x15; + bias1_en = reverse ? 0x15 : 0x3f; + drvr0_en = 0x10; + drvr1_en = 0x10; + } else { + bias0_en = 0x3f; + bias1_en = 0x3f; + drvr0_en = 0x10; + drvr1_en = 0x10; + } + + writel(drvr0_en, qphy->tx + QSERDES_V4_TX_HIGHZ_DRVR_EN); + writel(bias0_en, qphy->tx + QSERDES_V4_TX_TRANSCEIVER_BIAS_EN); + writel(drvr1_en, qphy->tx2 + QSERDES_V4_TX_HIGHZ_DRVR_EN); + writel(bias1_en, qphy->tx2 + QSERDES_V4_TX_TRANSCEIVER_BIAS_EN); + + writel(0x18, qphy->pcs + QSERDES_DP_PHY_CFG); + udelay(2000); + writel(0x19, qphy->pcs + QSERDES_DP_PHY_CFG); + + if (readl_poll_timeout(qphy->pcs + QSERDES_V4_DP_PHY_STATUS, + status, + ((status & BIT(1)) > 0), + 500, + 10000)) + return -ETIMEDOUT; + + writel(0x0a, qphy->tx + QSERDES_V4_TX_TX_POL_INV); + writel(0x0a, qphy->tx2 + QSERDES_V4_TX_TX_POL_INV); + + writel(0x27, qphy->tx + QSERDES_V4_TX_TX_DRV_LVL); + writel(0x27, qphy->tx2 + QSERDES_V4_TX_TX_DRV_LVL); + + writel(0x20, qphy->tx + QSERDES_V4_TX_TX_EMP_POST1_LVL); + writel(0x20, qphy->tx2 + QSERDES_V4_TX_TX_EMP_POST1_LVL); + + return 0; +} + +/* + * We need to calibrate the aux setting here as many times + * as the caller tries + */ +static int qcom_qmp_v4_dp_phy_calibrate(struct qmp_phy *qphy) +{ + static const u8 cfg1_settings[] = { 0x20, 0x13, 0x23, 0x1d }; + u8 val; + + qphy->dp_aux_cfg++; + qphy->dp_aux_cfg %= ARRAY_SIZE(cfg1_settings); + val = cfg1_settings[qphy->dp_aux_cfg]; + + writel(val, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1); + + return 0; +} + static inline void qphy_setbits(void __iomem *base, u32 offset, u32 val) { u32 reg; @@ -3346,6 +3647,46 @@ static const struct qmp_phy_cfg sm8250_usb3_uniphy_cfg = { .pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX, }; +static const struct qmp_phy_cfg sm8250_dpphy_cfg = { + .type = PHY_TYPE_DP, + .nlanes = 1, + + .serdes_tbl = qmp_v4_dp_serdes_tbl, + .serdes_tbl_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl), + .tx_tbl = qmp_v4_dp_tx_tbl, + .tx_tbl_num = ARRAY_SIZE(qmp_v4_dp_tx_tbl), + + .serdes_tbl_rbr = qmp_v4_dp_serdes_tbl_rbr, + .serdes_tbl_rbr_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_rbr), + .serdes_tbl_hbr = qmp_v4_dp_serdes_tbl_hbr, + .serdes_tbl_hbr_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_hbr), + .serdes_tbl_hbr2 = qmp_v4_dp_serdes_tbl_hbr2, + .serdes_tbl_hbr2_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_hbr2), + .serdes_tbl_hbr3 = qmp_v4_dp_serdes_tbl_hbr3, + .serdes_tbl_hbr3_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_hbr3), + + .clk_list = qmp_v4_phy_clk_l, + .num_clks = ARRAY_SIZE(qmp_v4_phy_clk_l), + .reset_list = msm8996_usb3phy_reset_l, + .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l), + .vreg_list = qmp_phy_vreg_l, + .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), + .regs = qmp_v4_usb3phy_regs_layout, + + .has_phy_dp_com_ctrl = true, + .is_dual_lane_phy = true, + + .dp_aux_init = qcom_qmp_v4_phy_dp_aux_init, + .configure_dp_tx = qcom_qmp_v4_phy_configure_dp_tx, + .configure_dp_phy = qcom_qmp_v4_phy_configure_dp_phy, + .calibrate_dp_phy = qcom_qmp_v4_dp_phy_calibrate, +}; + +static const struct qmp_phy_combo_cfg sm8250_usb3dpphy_cfg = { + .usb_cfg = &sm8250_usb3phy_cfg, + .dp_cfg = &sm8250_dpphy_cfg, +}; + static const struct qmp_phy_cfg sdx55_usb3_uniphy_cfg = { .type = PHY_TYPE_USB3, .nlanes = 1, @@ -4601,6 +4942,9 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = { }, { .compatible = "qcom,sm8250-qmp-usb3-phy", .data = &sm8250_usb3phy_cfg, + }, { + .compatible = "qcom,sm8250-qmp-usb3-dp-phy", + /* It's a combo phy */ }, { .compatible = "qcom,sm8250-qmp-usb3-uni-phy", .data = &sm8250_usb3_uniphy_cfg, @@ -4635,6 +4979,10 @@ static const struct of_device_id qcom_qmp_combo_phy_of_match_table[] = { .compatible = "qcom,sc7180-qmp-usb3-dp-phy", .data = &sc7180_usb3dpphy_cfg, }, + { + .compatible = "qcom,sm8250-qmp-usb3-dp-phy", + .data = &sm8250_usb3dpphy_cfg, + }, { } }; diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.h b/drivers/phy/qualcomm/phy-qcom-qmp.h index 981d8ee891c0..67bd2dd0d8c5 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.h +++ b/drivers/phy/qualcomm/phy-qcom-qmp.h @@ -397,6 +397,7 @@ #define QSERDES_V3_DP_PHY_STATUS 0x0c0 /* Only for QMP V4 PHY - QSERDES COM registers */ +#define QSERDES_V4_COM_BG_TIMER 0x00c #define QSERDES_V4_COM_SSC_EN_CENTER 0x010 #define QSERDES_V4_COM_SSC_PER1 0x01c #define QSERDES_V4_COM_SSC_PER2 0x020 @@ -404,7 +405,9 @@ #define QSERDES_V4_COM_SSC_STEP_SIZE2_MODE0 0x028 #define QSERDES_V4_COM_SSC_STEP_SIZE1_MODE1 0x030 #define QSERDES_V4_COM_SSC_STEP_SIZE2_MODE1 0x034 +#define QSERDES_V4_COM_BIAS_EN_CLKBUFLR_EN 0x044 #define QSERDES_V4_COM_CLK_ENABLE1 0x048 +#define QSERDES_V4_COM_SYS_CLK_CTRL 0x04c #define QSERDES_V4_COM_SYSCLK_BUF_ENABLE 0x050 #define QSERDES_V4_COM_PLL_IVCO 0x058 #define QSERDES_V4_COM_CMN_IPTRIM 0x060 @@ -415,6 +418,7 @@ #define QSERDES_V4_COM_PLL_CCTRL_MODE0 0x084 #define QSERDES_V4_COM_PLL_CCTRL_MODE1 0x088 #define QSERDES_V4_COM_SYSCLK_EN_SEL 0x094 +#define QSERDES_V4_COM_RESETSM_CNTRL 0x09c #define QSERDES_V4_COM_LOCK_CMP_EN 0x0a4 #define QSERDES_V4_COM_LOCK_CMP1_MODE0 0x0ac #define QSERDES_V4_COM_LOCK_CMP2_MODE0 0x0b0 @@ -428,16 +432,24 @@ #define QSERDES_V4_COM_DIV_FRAC_START1_MODE1 0x0d8 #define QSERDES_V4_COM_DIV_FRAC_START2_MODE1 0x0dc #define QSERDES_V4_COM_DIV_FRAC_START3_MODE1 0x0e0 +#define QSERDES_V4_COM_INTEGLOOP_GAIN0_MODE0 0x0ec +#define QSERDES_V4_COM_INTEGLOOP_GAIN1_MODE0 0x0f0 +#define QSERDES_V4_COM_VCO_TUNE_CTRL 0x108 #define QSERDES_V4_COM_VCO_TUNE_MAP 0x10c #define QSERDES_V4_COM_VCO_TUNE1_MODE0 0x110 #define QSERDES_V4_COM_VCO_TUNE2_MODE0 0x114 #define QSERDES_V4_COM_VCO_TUNE1_MODE1 0x118 #define QSERDES_V4_COM_VCO_TUNE2_MODE1 0x11c #define QSERDES_V4_COM_VCO_TUNE_INITVAL2 0x124 +#define QSERDES_V4_COM_CMN_STATUS 0x140 #define QSERDES_V4_COM_CLK_SELECT 0x154 #define QSERDES_V4_COM_HSCLK_SEL 0x158 #define QSERDES_V4_COM_HSCLK_HS_SWITCH_SEL 0x15c +#define QSERDES_V4_COM_CORECLK_DIV_MODE0 0x168 #define QSERDES_V4_COM_CORECLK_DIV_MODE1 0x16c +#define QSERDES_V4_COM_CORE_CLK_EN 0x174 +#define QSERDES_V4_COM_C_READY_STATUS 0x178 +#define QSERDES_V4_COM_CMN_CONFIG 0x17c #define QSERDES_V4_COM_SVS_MODE_CLK_SEL 0x184 #define QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE0 0x1ac #define QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE0 0x1b0 @@ -446,19 +458,32 @@ #define QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE1 0x1b8 /* Only for QMP V4 PHY - TX registers */ +#define QSERDES_V4_TX_CLKBUF_ENABLE 0x08 +#define QSERDES_V4_TX_TX_EMP_POST1_LVL 0x0c +#define QSERDES_V4_TX_TX_DRV_LVL 0x14 +#define QSERDES_V4_TX_RESET_TSYNC_EN 0x1c +#define QSERDES_V4_TX_PRE_STALL_LDO_BOOST_EN 0x20 +#define QSERDES_V4_TX_TX_BAND 0x24 +#define QSERDES_V4_TX_INTERFACE_SELECT 0x2c #define QSERDES_V4_TX_RES_CODE_LANE_TX 0x34 #define QSERDES_V4_TX_RES_CODE_LANE_RX 0x38 #define QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX 0x3c #define QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX 0x40 +#define QSERDES_V4_TX_TRANSCEIVER_BIAS_EN 0x54 +#define QSERDES_V4_TX_HIGHZ_DRVR_EN 0x58 +#define QSERDES_V4_TX_TX_POL_INV 0x5c +#define QSERDES_V4_TX_PARRATE_REC_DETECT_IDLE_EN 0x60 #define QSERDES_V4_TX_LANE_MODE_1 0x84 #define QSERDES_V4_TX_LANE_MODE_2 0x88 #define QSERDES_V4_TX_RCV_DETECT_LVL_2 0x9c +#define QSERDES_V4_TX_TRAN_DRVR_EMP_EN 0xb8 +#define QSERDES_V4_TX_TX_INTERFACE_MODE 0xbc #define QSERDES_V4_TX_PWM_GEAR_1_DIVIDER_BAND0_1 0xd8 #define QSERDES_V4_TX_PWM_GEAR_2_DIVIDER_BAND0_1 0xdC #define QSERDES_V4_TX_PWM_GEAR_3_DIVIDER_BAND0_1 0xe0 #define QSERDES_V4_TX_PWM_GEAR_4_DIVIDER_BAND0_1 0xe4 -#define QSERDES_V4_TX_TRAN_DRVR_EMP_EN 0xb8 -#define QSERDES_V4_TX_PI_QEC_CTRL 0x104 +#define QSERDES_V4_TX_VMODE_CTRL1 0xe8 +#define QSERDES_V4_TX_PI_QEC_CTRL 0x104 /* Only for QMP V4 PHY - RX registers */ #define QSERDES_V4_RX_UCDR_FO_GAIN 0x008 @@ -515,6 +540,17 @@ #define QSERDES_V4_RX_DCC_CTRL1 0x1bc #define QSERDES_V4_RX_VTH_CODE 0x1c4 +/* Only for QMP V4 PHY - DP PHY registers */ +#define QSERDES_V4_DP_PHY_CFG_1 0x014 +#define QSERDES_V4_DP_PHY_AUX_INTERRUPT_MASK 0x054 +#define QSERDES_V4_DP_PHY_AUX_INTERRUPT_CLEAR 0x058 +#define QSERDES_V4_DP_PHY_VCO_DIV 0x070 +#define QSERDES_V4_DP_PHY_TX0_TX1_LANE_CTL 0x078 +#define QSERDES_V4_DP_PHY_TX2_TX3_LANE_CTL 0x09c +#define QSERDES_V4_DP_PHY_SPARE0 0x0c8 +#define QSERDES_V4_DP_PHY_AUX_INTERRUPT_STATUS 0x0d8 +#define QSERDES_V4_DP_PHY_STATUS 0x0dc + /* Only for QMP V4 PHY - UFS PCS registers */ #define QPHY_V4_PCS_UFS_PHY_START 0x000 #define QPHY_V4_PCS_UFS_POWER_DOWN_CONTROL 0x004 From patchwork Fri Mar 26 17:58:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 409532 Delivered-To: patch@linaro.org Received: by 2002:a02:8562:0:0:0:0:0 with SMTP id g89csp1641634jai; Fri, 26 Mar 2021 10:59:17 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzL4u4wIT4/7DKbS7Mlnx31Y0Z67x7xW1ST+8HHsi8ys/kKzBGlmGncI/Tr7LWDWt9MYEkY X-Received: by 2002:a17:906:5295:: with SMTP id c21mr16829258ejm.67.1616781557656; Fri, 26 Mar 2021 10:59:17 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1616781557; cv=none; d=google.com; s=arc-20160816; b=bhObqBvsdt+HcRpbMdJcLLKNalDO1Q4JzQb5TUwPHBNrlBaJI5YOTts/VQJV89klTp nfxa2WCXM0JXZubT4QcEkkvN8orUGjKngIhH2E9njbO1mWR1NlCBvMaLaijhen7I6F6H PGMaPf9EEjchme44p5MraClCo3W9AiCrFzaYsRpbaIWS+hV201091sYsBiceVADhWmz0 CAK2MmpHD2+BzhuLUi0FWR1/DsSMViQoithhUhOweWPDDCH0DpHIvm9qHbhoMmDYotk2 rhpz25FrmnMoxxbBfS9ADKqWVjF3fxzf6XWsyRrMWNdupDxZgdyRy0uodTcmtHJD+JIR FdOQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=HmV5IJWPHSxLmzC9gCnVq4UR+8W3WxG5ODhCcEewhgo=; b=AvqoEW+hU25mgWgtqUivGj2MPLgUa8MMWZWa3j6xgCyJ2gZpaIMgCpPrLstzI3qX/g 6G34z46Qbzj6W/pOsph22fMEO7r0F0V4CeKe3dtQOZQSQjXRS8zczG3LAnT9aLVZ27YE ifceDCFMjj9P03f7c57bk5NxVD6/Oy8AdaYgc+ymgbfOC2R7ohwp3q2G3ypU44ErYyow K5ApFbe/Y3Me5ZW/o8gny/SI1UTMqmYffH/tCo8AuzjNldvTSbgye+kLCEARraLEYZNS bHvYGnkL3fUzPttcZOD6kTmg+WYIqmQHIW89pYbcLK/zn2vFIRaEofQbkvizhAk9FfI8 Rf2w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=jVXSrsSq; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id b6si8744646ejb.254.2021.03.26.10.59.17; Fri, 26 Mar 2021 10:59:17 -0700 (PDT) Received-SPF: pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=jVXSrsSq; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230152AbhCZR6p (ORCPT + 6 others); Fri, 26 Mar 2021 13:58:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40562 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230296AbhCZR6S (ORCPT ); Fri, 26 Mar 2021 13:58:18 -0400 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 AF998C0613B3 for ; Fri, 26 Mar 2021 10:58:17 -0700 (PDT) Received: by mail-lf1-x12e.google.com with SMTP id o126so8974207lfa.0 for ; Fri, 26 Mar 2021 10:58:17 -0700 (PDT) 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=HmV5IJWPHSxLmzC9gCnVq4UR+8W3WxG5ODhCcEewhgo=; b=jVXSrsSq0OD3XN58B9etBTnhroLvBAvuKyZ9pu0B8WxvNpEp9EYgRsW/5HR0ECgRKP dfFfCW/u8i3QkXiKbiJ6m+C1qaa2/vwaSJcEGjkXOdvPbYqt7627RdXMH8TMiT6L9FjF f6NbXesFdWtfYjgsmfsBG1lMPpfDSdBpnkUG7PvLuqjvRywYOfTEV1mrNmEnObgakdio T4+XDNHSBJH/if8zzUsPt670YpRc7gXgmUX7L7oRDTRBNJoXg9NEIrk2l7eCLM1ydyLt WbrzCDbg4cKQ4eHmR1lWxe/hLUFk6pjZbGhrikFR9ozMGMa/dWVmqDgyqkgScaKwrkNw ztaQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=HmV5IJWPHSxLmzC9gCnVq4UR+8W3WxG5ODhCcEewhgo=; b=KudIYc4Edc5LhHGA0vdW2ADFQnKspXsIVnDgdIP99cXHGwj+C7u/McYSZRCZe4MKH/ FrDp4Y/mYRx34fx6kb08QZudGA4J9aV1SSQoe6nT5tVhJ80Ms7E3yu5p7BmncZPRL1lL iVzEVSd/ypcMx5cOMsFxo9txhqKpVMwNj8J8B2FBRDrNwI4HgSxQut3wl1hIrRvfDK37 aQWqaaieTT3Xho93wFLk8uHh7/L0hBiOEpPg2U9PX1N2vZVHsnKRs4Yo7hwO4dZ1xrK4 HeRgNhQKrQaR1Sla/MNF0OffwpCAH0x9cejmcbWt8mRbhC97Jxo0FJCCum1maykEkhTw +bNw== X-Gm-Message-State: AOAM532Kzlfgy8qS5igsfo0M5nlG9pYas5TDyleVuGQ3kSAvRtLk7JNe uAGbCBJiaXJi/7UkSHC9hQ5Kuw== X-Received: by 2002:a19:e347:: with SMTP id c7mr8500751lfk.632.1616781496262; Fri, 26 Mar 2021 10:58:16 -0700 (PDT) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id f3sm1249554ljm.5.2021.03.26.10.58.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Mar 2021 10:58:15 -0700 (PDT) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Vinod Koul , Kishon Vijay Abraham I , Rob Herring Cc: Manu Gautam , Stephen Boyd , Jonathan Marek , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v4 6/7] arm64: dts: qcom: sm8250: switch usb1 qmp phy to USB3+DP mode Date: Fri, 26 Mar 2021 20:58:08 +0300 Message-Id: <20210326175809.2923789-7-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210326175809.2923789-1-dmitry.baryshkov@linaro.org> References: <20210326175809.2923789-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org USB1 QMP PHY is not just a USB3 PHY, but USB3+DP PHY. Change device tree nodes accordingly. Signed-off-by: Dmitry Baryshkov --- arch/arm64/boot/dts/qcom/sm8250.dtsi | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) -- 2.30.2 diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi index 947e1accae3a..0f79e6885004 100644 --- a/arch/arm64/boot/dts/qcom/sm8250.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi @@ -2097,12 +2097,11 @@ usb_2_hsphy: phy@88e4000 { }; usb_1_qmpphy: phy@88e9000 { - compatible = "qcom,sm8250-qmp-usb3-phy"; + compatible = "qcom,sm8250-qmp-usb3-dp-phy"; reg = <0 0x088e9000 0 0x200>, - <0 0x088e8000 0 0x20>; - reg-names = "reg-base", "dp_com"; + <0 0x088e8000 0 0x40>, + <0 0x088ea000 0 0x200>; status = "disabled"; - #clock-cells = <1>; #address-cells = <2>; #size-cells = <2>; ranges; @@ -2116,7 +2115,7 @@ usb_1_qmpphy: phy@88e9000 { <&gcc GCC_USB3_PHY_PRIM_BCR>; reset-names = "phy", "common"; - usb_1_ssphy: lanes@88e9200 { + usb_1_ssphy: usb3-phy@88e9200 { reg = <0 0x088e9200 0 0x200>, <0 0x088e9400 0 0x200>, <0 0x088e9c00 0 0x400>, @@ -2128,6 +2127,20 @@ usb_1_ssphy: lanes@88e9200 { clock-names = "pipe0"; clock-output-names = "usb3_phy_pipe_clk_src"; }; + + dp_phy: dp-phy@88ea200 { + reg = <0 0x088ea200 0 0x200>, + <0 0x088ea400 0 0x200>, + <0 0x088eac00 0 0x400>, + <0 0x088ea600 0 0x200>, + <0 0x088ea800 0 0x200>, + <0 0x088eaa00 0 0x100>; + #phy-cells = <0>; + #clock-cells = <1>; + clocks = <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>; + clock-names = "pipe0"; + clock-output-names = "usb3_phy_pipe_clk_src"; + }; }; usb_2_qmpphy: phy@88eb000 {