From patchwork Thu Jun 2 07:08:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 12867640 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 300BAC433EF for ; Thu, 2 Jun 2022 08:16:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=9eAQ/J6aXiHkxXCYSQPNk/py8htT6ULWDC7eSEZxb3c=; b=AIZh2CJVHO+lNS AjCmkWjr7jGZi6t3XzJMuYUkFS8UGtySNygzYlGxy9Ps9rmXivqLEAj6ml09n/4jSBp2wsN5dW5hR DqqDH9bSMq08srvTuTl7kzK+Db+GzEi5b/N8rC0HKBxqiOusexQ6CeiGJIhqQx0jiJNCx14DqcXKO XUGW5b4JBSXJEwU+hFq27N12kgGwys/LAMTQ26aVyKX0OaJHZjFKova9DeAjnuIMVRDgvh91UyKQp y326nkB7/XXWHavRzWFIdFguoKVtnbXZzDFu0r+VMIoU4sXKpyUJR5qwWnk8pueHTLRoEDtica5vK 9rMIi+Zx2hFICcxlCBtQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nwfzk-002BLN-G8; Thu, 02 Jun 2022 08:15:52 +0000 Received: from mail-lf1-x134.google.com ([2a00:1450:4864:20::134]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nwexW-001xVM-HO for linux-phy@lists.infradead.org; Thu, 02 Jun 2022 07:09:33 +0000 Received: by mail-lf1-x134.google.com with SMTP id a15so6372947lfb.9 for ; Thu, 02 Jun 2022 00:09:26 -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=eS5wyPvVlkjNFrPta7oz4hXe+pxTIpotuTok1JXHoMU=; b=hglqA6RF7NE+K64+dVu+a3DP3YBu0Q9MSBfiJLRokXKXSXnyoN4xM9fCMFd4dSJFQO tEawzUIsx3l4p8YhaPuzjcREvgu7W1yWFDZt90RIcXOU48dmARPj+HMjBz82bNabIKIL KBGSKGDPpz10zQgrmqlczMHXHi4I1j9wVEIMOYJPNmxoPBwCuMSfphY3k1X3zmW1deg6 QGUkso3neRvMX7XN5zm2h1RiYpCGXfQmLlgTzI/FmxoulZimQCQPsv+FcSTlFbt221eY 5g2lzFsUyF6q+wV+Gjc1GiOjrKtIr6ROaQWpM/qarUFbxkq8s48sriqGWGjIWI64qHW1 o1Pw== 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=eS5wyPvVlkjNFrPta7oz4hXe+pxTIpotuTok1JXHoMU=; b=p5VTo3JqsxuMmwSv8bLW/27u29VtyGBSseuIUs4QJiJXRT32b7e13AKBZ8Q29qh88G BbGPkpSho4//YMLfQ7CWPqxN0UJUbW3Vz2yopHa+NDWYnK53do6aRLyT8GAHC3jFF8+y CQ0/WSuUhLVnbmVBMHqsd4gJFzTeoJUEVVEOVrpAPimEzDY58xVj3AOkTGD11hGilksX xF651ocaHVvQ3OtCMY5XkIjsz1ubkbi2D7cPNAS8NaQwRX/jj17lvgwDszaJr6kWwHnA djUQ3P3O685mSeljHmatF9WLEqn/5skhnQVaJ9BK+Bm5MVMpumpp9h1y+YT0DHfENyTm EfpA== X-Gm-Message-State: AOAM533wk09FW2p8qxNT/le3xX21JQVeHxFwAMbFYTb0vs3dgdGJvzSL R9uLfJdwoTqGg04hcuCvwXxPig== X-Google-Smtp-Source: ABdhPJwaaRoc4V8Wa0/oUyFd1xXLDlBqBgT9Q1T13xPeMLY+lBUsXe9L+MRj8+xttHMx3uqbL2yPhQ== X-Received: by 2002:a05:6512:32c1:b0:478:710f:d375 with SMTP id f1-20020a05651232c100b00478710fd375mr2478636lfg.147.1654153764973; Thu, 02 Jun 2022 00:09:24 -0700 (PDT) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id d25-20020a056512369900b0047255d21114sm870218lfs.67.2022.06.02.00.09.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Jun 2022 00:09:24 -0700 (PDT) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Vinod Koul , Kishon Vijay Abraham I Cc: Philipp Zabel , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org Subject: [RFC PATCH v3 15/30] phy: qcom-qmp-pcie: drop support for non-PCIe PHY types Date: Thu, 2 Jun 2022 10:08:54 +0300 Message-Id: <20220602070909.1666068-16-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220602070909.1666068-1-dmitry.baryshkov@linaro.org> References: <20220602070909.1666068-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220602_000930_612361_713B90A3 X-CRM114-Status: GOOD ( 16.85 ) 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 Drop remaining support for PHY types other than PCIe. Signed-off-by: Dmitry Baryshkov --- drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 528 ++--------------------- 1 file changed, 43 insertions(+), 485 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c index eedcf9ccb28c..b780994692b3 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c @@ -1832,7 +1832,6 @@ static int qcom_qmp_phy_pcie_serdes_init(struct qmp_phy *qphy) struct qcom_qmp *qmp = qphy->qmp; const struct qmp_phy_cfg *cfg = qphy->cfg; void __iomem *serdes = qphy->serdes; - const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts; const struct qmp_phy_init_tbl *serdes_tbl = cfg->serdes_tbl; int serdes_tbl_num = cfg->serdes_tbl_num; int ret; @@ -1842,35 +1841,6 @@ static int qcom_qmp_phy_pcie_serdes_init(struct qmp_phy *qphy) qcom_qmp_phy_pcie_configure(serdes, cfg->regs, cfg->serdes_tbl_sec, cfg->serdes_tbl_num_sec); - if (cfg->type == PHY_TYPE_DP) { - switch (dp_opts->link_rate) { - case 1620: - qcom_qmp_phy_pcie_configure(serdes, cfg->regs, - cfg->serdes_tbl_rbr, - cfg->serdes_tbl_rbr_num); - break; - case 2700: - qcom_qmp_phy_pcie_configure(serdes, cfg->regs, - cfg->serdes_tbl_hbr, - cfg->serdes_tbl_hbr_num); - break; - case 5400: - qcom_qmp_phy_pcie_configure(serdes, cfg->regs, - cfg->serdes_tbl_hbr2, - cfg->serdes_tbl_hbr2_num); - break; - case 8100: - qcom_qmp_phy_pcie_configure(serdes, cfg->regs, - cfg->serdes_tbl_hbr3, - cfg->serdes_tbl_hbr3_num); - break; - default: - /* Other link rates aren't supported */ - return -EINVAL; - } - } - - if (cfg->has_phy_com_ctrl) { void __iomem *status; unsigned int mask, val; @@ -1894,32 +1864,6 @@ static int qcom_qmp_phy_pcie_serdes_init(struct qmp_phy *qphy) return 0; } -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) { - cfg->configure_dp_tx(qphy); - qphy->dp_opts.set_voltages = 0; - } - - return 0; -} - -static int qcom_qmp_dp_phy_calibrate(struct phy *phy) -{ - struct qmp_phy *qphy = phy_get_drvdata(phy); - const struct qmp_phy_cfg *cfg = qphy->cfg; - - if (cfg->calibrate_dp_phy) - return cfg->calibrate_dp_phy(qphy); - - return 0; -} - static int qcom_qmp_phy_pcie_com_init(struct qmp_phy *qphy) { struct qcom_qmp *qmp = qphy->qmp; @@ -2089,9 +2033,6 @@ static int qcom_qmp_phy_pcie_init(struct phy *phy) if (ret) return ret; - if (cfg->type == PHY_TYPE_DP) - cfg->dp_aux_init(qphy); - return 0; } @@ -2142,10 +2083,6 @@ static int qcom_qmp_phy_pcie_power_on(struct phy *phy) cfg->tx_tbl_num_sec, 2); } - /* Configure special DP tx tunings */ - if (cfg->type == PHY_TYPE_DP) - cfg->configure_dp_tx(qphy); - qcom_qmp_phy_pcie_configure_lane(rx, cfg->regs, cfg->rx_tbl, cfg->rx_tbl_num, 1); if (cfg->rx_tbl_sec) @@ -2161,15 +2098,10 @@ static int qcom_qmp_phy_pcie_power_on(struct phy *phy) cfg->rx_tbl_num_sec, 2); } - /* Configure link rate, swing, etc. */ - if (cfg->type == PHY_TYPE_DP) { - cfg->configure_dp_phy(qphy); - } else { - qcom_qmp_phy_pcie_configure(pcs, cfg->regs, cfg->pcs_tbl, cfg->pcs_tbl_num); - if (cfg->pcs_tbl_sec) - qcom_qmp_phy_pcie_configure(pcs, cfg->regs, cfg->pcs_tbl_sec, - cfg->pcs_tbl_num_sec); - } + qcom_qmp_phy_pcie_configure(pcs, cfg->regs, cfg->pcs_tbl, cfg->pcs_tbl_num); + if (cfg->pcs_tbl_sec) + qcom_qmp_phy_pcie_configure(pcs, cfg->regs, cfg->pcs_tbl_sec, + cfg->pcs_tbl_num_sec); ret = reset_control_deassert(qmp->ufs_reset); if (ret) @@ -2185,36 +2117,28 @@ static int qcom_qmp_phy_pcie_power_on(struct phy *phy) * Pull out PHY from POWER DOWN state. * This is active low enable signal to power-down PHY. */ - if(cfg->type == PHY_TYPE_PCIE) - qphy_setbits(pcs, QPHY_POWER_DOWN_CONTROL, cfg->pwrdn_ctrl); + qphy_setbits(pcs, QPHY_POWER_DOWN_CONTROL, cfg->pwrdn_ctrl); if (cfg->has_pwrdn_delay) usleep_range(cfg->pwrdn_delay_min, cfg->pwrdn_delay_max); - if (cfg->type != PHY_TYPE_DP) { - /* Pull PHY out of reset state */ - if (!cfg->no_pcs_sw_reset) - qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET); - /* start SerDes and Phy-Coding-Sublayer */ - qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl); - - if (cfg->type == PHY_TYPE_UFS) { - status = pcs + cfg->regs[QPHY_PCS_READY_STATUS]; - mask = PCS_READY; - ready = PCS_READY; - } else { - status = pcs + cfg->regs[QPHY_PCS_STATUS]; - mask = cfg->phy_status; - ready = 0; - } + /* Pull PHY out of reset state */ + if (!cfg->no_pcs_sw_reset) + qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET); + /* start SerDes and Phy-Coding-Sublayer */ + qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl); - ret = readl_poll_timeout(status, val, (val & mask) == ready, 10, - PHY_INIT_COMPLETE_TIMEOUT); - if (ret) { - dev_err(qmp->dev, "phy initialization timed-out\n"); - goto err_disable_pipe_clk; - } + status = pcs + cfg->regs[QPHY_PCS_STATUS]; + mask = cfg->phy_status; + ready = 0; + + ret = readl_poll_timeout(status, val, (val & mask) == ready, 10, + PHY_INIT_COMPLETE_TIMEOUT); + if (ret) { + dev_err(qmp->dev, "phy initialization timed-out\n"); + goto err_disable_pipe_clk; } + return 0; err_disable_pipe_clk: @@ -2233,25 +2157,20 @@ static int qcom_qmp_phy_pcie_power_off(struct phy *phy) clk_disable_unprepare(qphy->pipe_clk); - if (cfg->type == PHY_TYPE_DP) { - /* Assert DP PHY power down */ - writel(DP_PHY_PD_CTL_PSR_PWRDN, qphy->pcs + QSERDES_DP_PHY_PD_CTL); - } else { - /* PHY reset */ - if (!cfg->no_pcs_sw_reset) - qphy_setbits(qphy->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET); + /* PHY reset */ + if (!cfg->no_pcs_sw_reset) + qphy_setbits(qphy->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET); - /* stop SerDes and Phy-Coding-Sublayer */ - qphy_clrbits(qphy->pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl); + /* stop SerDes and Phy-Coding-Sublayer */ + qphy_clrbits(qphy->pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl); - /* Put PHY into POWER DOWN state: active low */ - if (cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL]) { - qphy_clrbits(qphy->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], - cfg->pwrdn_ctrl); - } else { - qphy_clrbits(qphy->pcs, QPHY_POWER_DOWN_CONTROL, - cfg->pwrdn_ctrl); - } + /* Put PHY into POWER DOWN state: active low */ + if (cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL]) { + qphy_clrbits(qphy->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], + cfg->pwrdn_ctrl); + } else { + qphy_clrbits(qphy->pcs, QPHY_POWER_DOWN_CONTROL, + cfg->pwrdn_ctrl); } return 0; @@ -2305,112 +2224,6 @@ static int qcom_qmp_phy_pcie_set_mode(struct phy *phy, return 0; } -static void qcom_qmp_phy_pcie_enable_autonomous_mode(struct qmp_phy *qphy) -{ - const struct qmp_phy_cfg *cfg = qphy->cfg; - void __iomem *pcs = qphy->pcs; - void __iomem *pcs_misc = qphy->pcs_misc; - u32 intr_mask; - - if (qphy->mode == PHY_MODE_USB_HOST_SS || - qphy->mode == PHY_MODE_USB_DEVICE_SS) - intr_mask = ARCVR_DTCT_EN | ALFPS_DTCT_EN; - else - intr_mask = ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL; - - /* Clear any pending interrupts status */ - qphy_setbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR); - /* Writing 1 followed by 0 clears the interrupt */ - qphy_clrbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR); - - qphy_clrbits(pcs, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL], - ARCVR_DTCT_EN | ALFPS_DTCT_EN | ARCVR_DTCT_EVENT_SEL); - - /* Enable required PHY autonomous mode interrupts */ - qphy_setbits(pcs, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL], intr_mask); - - /* Enable i/o clamp_n for autonomous mode */ - if (pcs_misc) - qphy_clrbits(pcs_misc, QPHY_V3_PCS_MISC_CLAMP_ENABLE, CLAMP_EN); -} - -static void qcom_qmp_phy_pcie_disable_autonomous_mode(struct qmp_phy *qphy) -{ - const struct qmp_phy_cfg *cfg = qphy->cfg; - void __iomem *pcs = qphy->pcs; - void __iomem *pcs_misc = qphy->pcs_misc; - - /* Disable i/o clamp_n on resume for normal mode */ - if (pcs_misc) - qphy_setbits(pcs_misc, QPHY_V3_PCS_MISC_CLAMP_ENABLE, CLAMP_EN); - - qphy_clrbits(pcs, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL], - ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL | ALFPS_DTCT_EN); - - qphy_setbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR); - /* Writing 1 followed by 0 clears the interrupt */ - qphy_clrbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR); -} - -static int __maybe_unused qcom_qmp_phy_pcie_runtime_suspend(struct device *dev) -{ - struct qcom_qmp *qmp = dev_get_drvdata(dev); - struct qmp_phy *qphy = qmp->phys[0]; - const struct qmp_phy_cfg *cfg = qphy->cfg; - - dev_vdbg(dev, "Suspending QMP phy, mode:%d\n", qphy->mode); - - /* Supported only for USB3 PHY and luckily USB3 is the first phy */ - if (cfg->type != PHY_TYPE_USB3) - return 0; - - if (!qmp->init_count) { - dev_vdbg(dev, "PHY not initialized, bailing out\n"); - return 0; - } - - qcom_qmp_phy_pcie_enable_autonomous_mode(qphy); - - clk_disable_unprepare(qphy->pipe_clk); - clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks); - - return 0; -} - -static int __maybe_unused qcom_qmp_phy_pcie_runtime_resume(struct device *dev) -{ - struct qcom_qmp *qmp = dev_get_drvdata(dev); - struct qmp_phy *qphy = qmp->phys[0]; - const struct qmp_phy_cfg *cfg = qphy->cfg; - int ret = 0; - - dev_vdbg(dev, "Resuming QMP phy, mode:%d\n", qphy->mode); - - /* Supported only for USB3 PHY and luckily USB3 is the first phy */ - if (cfg->type != PHY_TYPE_USB3) - return 0; - - if (!qmp->init_count) { - dev_vdbg(dev, "PHY not initialized, bailing out\n"); - return 0; - } - - ret = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks); - if (ret) - return ret; - - ret = clk_prepare_enable(qphy->pipe_clk); - if (ret) { - dev_err(dev, "pipe_clk enable failed, err=%d\n", ret); - clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks); - return ret; - } - - qcom_qmp_phy_pcie_disable_autonomous_mode(qphy); - - return 0; -} - static int qcom_qmp_phy_pcie_vreg_init(struct device *dev, const struct qmp_phy_cfg *cfg) { struct qcom_qmp *qmp = dev_get_drvdata(dev); @@ -2528,223 +2341,13 @@ static int phy_pipe_clk_register(struct qcom_qmp *qmp, struct device_node *np) return devm_add_action_or_reset(qmp->dev, phy_clk_release_provider, np); } -/* - * Display Port PLL driver block diagram for branch clocks - * - * +------------------------------+ - * | DP_VCO_CLK | - * | | - * | +-------------------+ | - * | | (DP PLL/VCO) | | - * | +---------+---------+ | - * | v | - * | +----------+-----------+ | - * | | hsclk_divsel_clk_src | | - * | +----------+-----------+ | - * +------------------------------+ - * | - * +---------<---------v------------>----------+ - * | | - * +--------v----------------+ | - * | dp_phy_pll_link_clk | | - * | link_clk | | - * +--------+----------------+ | - * | | - * | | - * v v - * Input to DISPCC block | - * for link clk, crypto clk | - * and interface clock | - * | - * | - * +--------<------------+-----------------+---<---+ - * | | | - * +----v---------+ +--------v-----+ +--------v------+ - * | vco_divided | | vco_divided | | vco_divided | - * | _clk_src | | _clk_src | | _clk_src | - * | | | | | | - * |divsel_six | | divsel_two | | divsel_four | - * +-------+------+ +-----+--------+ +--------+------+ - * | | | - * v---->----------v-------------<------v - * | - * +----------+-----------------+ - * | dp_phy_pll_vco_div_clk | - * +---------+------------------+ - * | - * v - * Input to DISPCC block - * for DP pixel clock - * - */ -static int qcom_qmp_dp_pixel_clk_determine_rate(struct clk_hw *hw, - struct clk_rate_request *req) -{ - switch (req->rate) { - case 1620000000UL / 2: - case 2700000000UL / 2: - /* 5.4 and 8.1 GHz are same link rate as 2.7GHz, i.e. div 4 and div 6 */ - return 0; - default: - return -EINVAL; - } -} - -static unsigned long -qcom_qmp_dp_pixel_clk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) -{ - const struct qmp_phy_dp_clks *dp_clks; - const struct qmp_phy *qphy; - const struct phy_configure_opts_dp *dp_opts; - - dp_clks = container_of(hw, struct qmp_phy_dp_clks, dp_pixel_hw); - qphy = dp_clks->qphy; - dp_opts = &qphy->dp_opts; - - switch (dp_opts->link_rate) { - case 1620: - return 1620000000UL / 2; - case 2700: - return 2700000000UL / 2; - case 5400: - return 5400000000UL / 4; - case 8100: - return 8100000000UL / 6; - default: - return 0; - } -} - -static const struct clk_ops qcom_qmp_dp_pixel_clk_ops = { - .determine_rate = qcom_qmp_dp_pixel_clk_determine_rate, - .recalc_rate = qcom_qmp_dp_pixel_clk_recalc_rate, -}; - -static int qcom_qmp_dp_link_clk_determine_rate(struct clk_hw *hw, - struct clk_rate_request *req) -{ - switch (req->rate) { - case 162000000: - case 270000000: - case 540000000: - case 810000000: - return 0; - default: - return -EINVAL; - } -} - -static unsigned long -qcom_qmp_dp_link_clk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) -{ - const struct qmp_phy_dp_clks *dp_clks; - const struct qmp_phy *qphy; - const struct phy_configure_opts_dp *dp_opts; - - dp_clks = container_of(hw, struct qmp_phy_dp_clks, dp_link_hw); - qphy = dp_clks->qphy; - dp_opts = &qphy->dp_opts; - - switch (dp_opts->link_rate) { - case 1620: - case 2700: - case 5400: - case 8100: - return dp_opts->link_rate * 100000; - default: - return 0; - } -} - -static const struct clk_ops qcom_qmp_dp_link_clk_ops = { - .determine_rate = qcom_qmp_dp_link_clk_determine_rate, - .recalc_rate = qcom_qmp_dp_link_clk_recalc_rate, -}; - -static struct clk_hw * -qcom_qmp_dp_clks_hw_get(struct of_phandle_args *clkspec, void *data) -{ - struct qmp_phy_dp_clks *dp_clks = data; - unsigned int idx = clkspec->args[0]; - - if (idx >= 2) { - pr_err("%s: invalid index %u\n", __func__, idx); - return ERR_PTR(-EINVAL); - } - - if (idx == 0) - return &dp_clks->dp_link_hw; - - return &dp_clks->dp_pixel_hw; -} - -static int phy_dp_clks_register(struct qcom_qmp *qmp, struct qmp_phy *qphy, - struct device_node *np) -{ - struct clk_init_data init = { }; - struct qmp_phy_dp_clks *dp_clks; - char name[64]; - int ret; - - dp_clks = devm_kzalloc(qmp->dev, sizeof(*dp_clks), GFP_KERNEL); - if (!dp_clks) - return -ENOMEM; - - dp_clks->qphy = qphy; - qphy->dp_clks = dp_clks; - - snprintf(name, sizeof(name), "%s::link_clk", dev_name(qmp->dev)); - init.ops = &qcom_qmp_dp_link_clk_ops; - init.name = name; - dp_clks->dp_link_hw.init = &init; - ret = devm_clk_hw_register(qmp->dev, &dp_clks->dp_link_hw); - if (ret) - return ret; - - snprintf(name, sizeof(name), "%s::vco_div_clk", dev_name(qmp->dev)); - init.ops = &qcom_qmp_dp_pixel_clk_ops; - init.name = name; - dp_clks->dp_pixel_hw.init = &init; - ret = devm_clk_hw_register(qmp->dev, &dp_clks->dp_pixel_hw); - if (ret) - return ret; - - ret = of_clk_add_hw_provider(np, qcom_qmp_dp_clks_hw_get, dp_clks); - if (ret) - return ret; - - /* - * Roll a devm action because the clock provider is the child node, but - * the child node is not actually a device. - */ - return devm_add_action_or_reset(qmp->dev, phy_clk_release_provider, np); -} - -static const struct phy_ops qcom_qmp_phy_pcie_gen_ops = { +static const struct phy_ops qcom_qmp_phy_pcie_ops = { .init = qcom_qmp_phy_pcie_enable, .exit = qcom_qmp_phy_pcie_disable, .set_mode = qcom_qmp_phy_pcie_set_mode, .owner = THIS_MODULE, }; -static const struct phy_ops qcom_qmp_phy_pcie_dp_ops = { - .init = qcom_qmp_phy_pcie_init, - .configure = qcom_qmp_dp_phy_configure, - .power_on = qcom_qmp_phy_pcie_power_on, - .calibrate = qcom_qmp_dp_phy_calibrate, - .power_off = qcom_qmp_phy_pcie_power_off, - .exit = qcom_qmp_phy_pcie_exit, - .set_mode = qcom_qmp_phy_pcie_set_mode, - .owner = THIS_MODULE, -}; - -static const struct phy_ops qcom_qmp_pcie_ufs_ops = { - .power_on = qcom_qmp_phy_pcie_enable, - .power_off = qcom_qmp_phy_pcie_disable, - .set_mode = qcom_qmp_phy_pcie_set_mode, - .owner = THIS_MODULE, -}; - static void qcom_qmp_reset_control_put(void *data) { reset_control_put(data); @@ -2757,7 +2360,6 @@ int qcom_qmp_phy_pcie_create(struct device *dev, struct device_node *np, int id, struct qcom_qmp *qmp = dev_get_drvdata(dev); struct phy *generic_phy; struct qmp_phy *qphy; - const struct phy_ops *ops; char prop_name[MAX_PROP_NAME]; int ret; @@ -2850,14 +2452,7 @@ int qcom_qmp_phy_pcie_create(struct device *dev, struct device_node *np, int id, return ret; } - if (cfg->type == PHY_TYPE_UFS || cfg->type == PHY_TYPE_PCIE) - ops = &qcom_qmp_pcie_ufs_ops; - else if (cfg->type == PHY_TYPE_DP) - ops = &qcom_qmp_phy_pcie_dp_ops; - else - ops = &qcom_qmp_phy_pcie_gen_ops; - - generic_phy = devm_phy_create(dev, np, ops); + generic_phy = devm_phy_create(dev, np, &qcom_qmp_phy_pcie_ops); if (IS_ERR(generic_phy)) { ret = PTR_ERR(generic_phy); dev_err(dev, "failed to create qphy %d\n", ret); @@ -2915,11 +2510,6 @@ static const struct of_device_id qcom_qmp_phy_pcie_of_match_table[] = { }; MODULE_DEVICE_TABLE(of, qcom_qmp_phy_pcie_of_match_table); -static const struct dev_pm_ops qcom_qmp_phy_pcie_pm_ops = { - SET_RUNTIME_PM_OPS(qcom_qmp_phy_pcie_runtime_suspend, - qcom_qmp_phy_pcie_runtime_resume, NULL) -}; - static int qcom_qmp_phy_pcie_probe(struct platform_device *pdev) { struct qcom_qmp *qmp; @@ -2927,12 +2517,7 @@ static int qcom_qmp_phy_pcie_probe(struct platform_device *pdev) struct device_node *child; struct phy_provider *phy_provider; void __iomem *serdes; - void __iomem *usb_serdes; - void __iomem *dp_serdes = NULL; - const struct qmp_phy_combo_cfg *combo_cfg = NULL; const struct qmp_phy_cfg *cfg = NULL; - const struct qmp_phy_cfg *usb_cfg = NULL; - const struct qmp_phy_cfg *dp_cfg = NULL; int num, id, expected_phys; int ret; @@ -2949,28 +2534,18 @@ static int qcom_qmp_phy_pcie_probe(struct platform_device *pdev) return -EINVAL; /* per PHY serdes; usually located at base address */ - usb_serdes = serdes = devm_platform_ioremap_resource(pdev, 0); + serdes = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(serdes)) return PTR_ERR(serdes); /* per PHY dp_com; if PHY has dp_com control block */ - if (combo_cfg || cfg->has_phy_dp_com_ctrl) { + if (cfg->has_phy_dp_com_ctrl) { qmp->dp_com = devm_platform_ioremap_resource(pdev, 1); if (IS_ERR(qmp->dp_com)) return PTR_ERR(qmp->dp_com); } - if (combo_cfg) { - /* Only two serdes for combo PHY */ - dp_serdes = devm_platform_ioremap_resource(pdev, 2); - if (IS_ERR(dp_serdes)) - return PTR_ERR(dp_serdes); - - dp_cfg = combo_cfg->dp_cfg; - expected_phys = 2; - } else { - expected_phys = cfg->nlanes; - } + expected_phys = cfg->nlanes; mutex_init(&qmp->phy_mutex); @@ -3009,14 +2584,6 @@ static int qcom_qmp_phy_pcie_probe(struct platform_device *pdev) id = 0; for_each_available_child_of_node(dev->of_node, child) { - if (of_node_name_eq(child, "dp-phy")) { - cfg = dp_cfg; - serdes = dp_serdes; - } else if (of_node_name_eq(child, "usb3-phy")) { - cfg = usb_cfg; - serdes = usb_serdes; - } - /* Create per-lane phy */ ret = qcom_qmp_phy_pcie_create(dev, child, id, serdes, cfg); if (ret) { @@ -3029,21 +2596,13 @@ static int qcom_qmp_phy_pcie_probe(struct platform_device *pdev) * Register the pipe clock provided by phy. * See function description to see details of this pipe clock. */ - if (cfg->type == PHY_TYPE_USB3 || cfg->type == PHY_TYPE_PCIE) { - ret = phy_pipe_clk_register(qmp, child); - if (ret) { - dev_err(qmp->dev, - "failed to register pipe clock source\n"); - goto err_node_put; - } - } else if (cfg->type == PHY_TYPE_DP) { - ret = phy_dp_clks_register(qmp, qmp->phys[id], child); - if (ret) { - dev_err(qmp->dev, - "failed to register DP clock source\n"); - goto err_node_put; - } + ret = phy_pipe_clk_register(qmp, child); + if (ret) { + dev_err(qmp->dev, + "failed to register pipe clock source\n"); + goto err_node_put; } + id++; } @@ -3065,7 +2624,6 @@ static struct platform_driver qcom_qmp_phy_pcie_driver = { .probe = qcom_qmp_phy_pcie_probe, .driver = { .name = "qcom-qmp-pcie-phy", - .pm = &qcom_qmp_phy_pcie_pm_ops, .of_match_table = qcom_qmp_phy_pcie_of_match_table, }, };