From patchwork Thu Jun 17 19:41:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Moon X-Patchwork-Id: 12329381 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=-13.7 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 0F620C2B9F4 for ; Thu, 17 Jun 2021 19:45:45 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id D1C426113E for ; Thu, 17 Jun 2021 19:45:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D1C426113E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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=P9/UKLM1BfkpmNUd3Vp3nGqtq8QtjaLmfO1ufmpEI9s=; b=u2z5BXctyHFwtF zKS1P8Fo+kRazHr5RHmQpf04WaWG9RVv1J116ZjHcSrfMEuUbCWJpEPBq/NfQrjMaFrMMAOW8bAwy 1k7ZjAVCjxnu4v4iLOF+FFw/S+UbLiInRWI/XbEUQzWqoamxDV0wHsL4kqMLegn8N9fQZqvdjufcS a3ghfYR3/tyD0qLa8Y1U8AiMMOJipqtBUhyiH/rShypc/MPGyqsuHzFbibsLoUUpwDo4C7DDULx6J 057/SGSKGM3v5UTujM/0UqgBHz09DfBG9Smo+V0trphWGXM3Vuz1jL3wLHidGhrtjUWnj5PNzb2wS 7uOnxxuoK70tg19RB5yw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ltxvg-00Baa8-BJ; Thu, 17 Jun 2021 19:43:56 +0000 Received: from mail-pj1-x1036.google.com ([2607:f8b0:4864:20::1036]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ltxvX-00BaVS-Qt; Thu, 17 Jun 2021 19:43:49 +0000 Received: by mail-pj1-x1036.google.com with SMTP id k22-20020a17090aef16b0290163512accedso5986788pjz.0; Thu, 17 Jun 2021 12:43:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ru7VYZQFM1VVEN15+QmGHBxSNzsOgYyzaqlXuO2dVxw=; b=Lw7iEBZ4GD3k2g+fSKiJqkf85PV7RM3V4AcTlkHE5CxPdrnHgXsvsxuqGq0RDe33cc uXNcINgRIEnA+CdK0wQphN7H3fTlGDe6qrFFTaROCmFtZh4Qxi8KQnf86KtaRN4Xc6cr 0XUhUmpCpx2hWZmv9Cml21ppM2R6msZ+TrI+m5GWaQpy3o0cLh11y3+2F0aiC3Sik1ss xQnYIGhqlo38r6HMGmpCkGg72/bHRGYACDbGpqds5QboQHg95wXexwhhtTXK4aTVkqb3 F5dbsdVhnlHIM73fLHOFmwWUDC/ktoK1e5xKgkLkcK2A/3F3BJrBa0e1J3MpMai/Y4Di p9mw== 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=ru7VYZQFM1VVEN15+QmGHBxSNzsOgYyzaqlXuO2dVxw=; b=bvraSQqtPzPAXPUJD5mbBU/CFw4N5O5mAtgEvRoWmTaAAQoB2omgPhFqe6WIyq3d6R scqRpuDOiBd4D5QLEtUYiVRPG2iHbSI4zBbJ/X+Q3zS5DPA4kLortIX3e6sjZWKkfqR4 JlCZvxAr+pZvv/g8Ffbf8wjxCim8LeCu33Y9sHZOw496hD6TRrueQT7WAAVOB5lXlvq0 BBAcWlgN7Q/yBghxlqxjazcl1Bgv57bw7SOaM6RE6ZBzvuDaBFje0zjGNNGfh+DmjcVU o1iAe2RyXqyCzadwqtMgam838qMMtDRVBKOP60snNXjl+euLmsDAPzMtnsXomtWrqBY3 vQWA== X-Gm-Message-State: AOAM533kkocTMyA7ParVIuWpuWqIdzI6ZLqciHLI9U6ggApVaEQzKE3y CYVvA1KWKOndr3LZFLlVeJNdNu/bB8g= X-Google-Smtp-Source: ABdhPJy8kifTsQYkHADB3X/VjwWX4edCBRIlpmtaNoexFdNOuNYczcrBwE+yOodX+UnG3Bcu8rQXdQ== X-Received: by 2002:a17:90b:197:: with SMTP id t23mr6968654pjs.61.1623959023215; Thu, 17 Jun 2021 12:43:43 -0700 (PDT) Received: from archl-c2lm.. ([103.51.75.27]) by smtp.gmail.com with ESMTPSA id z9sm5987187pfa.2.2021.06.17.12.43.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Jun 2021 12:43:42 -0700 (PDT) From: Anand Moon To: --to=linux-phy@lists.infradead.org, --to=linux-arm-kernel@lists.infradead.org, --to=linux-amlogic@lists.infradead.org, --to=linux-kernel@vger.kernel.org Cc: Anand Moon , Martin Blumenstingl , Kishon Vijay Abraham I , Vinod Koul , Neil Armstrong , Kevin Hilman , Jerome Brunet , Philipp Zabel , linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [RFCv1 4/8] phy: amlogic: meson8b-usb2: Use phy set_mode callback function Date: Thu, 17 Jun 2021 19:41:39 +0000 Message-Id: <20210617194154.2397-5-linux.amoon@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210617194154.2397-1-linux.amoon@gmail.com> References: <20210617194154.2397-1-linux.amoon@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210617_124347_930767_A0A794AC X-CRM114-Status: GOOD ( 14.71 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Reorder the code for phy set_mode in .set_mode callback function. For now configure the phy in host mode. Cc: Martin Blumenstingl Signed-off-by: Anand Moon --- drivers/phy/amlogic/phy-meson8b-usb2.c | 62 ++++++++++++++++++-------- 1 file changed, 43 insertions(+), 19 deletions(-) diff --git a/drivers/phy/amlogic/phy-meson8b-usb2.c b/drivers/phy/amlogic/phy-meson8b-usb2.c index 2b32a3eabccf..18e0986f6ed2 100644 --- a/drivers/phy/amlogic/phy-meson8b-usb2.c +++ b/drivers/phy/amlogic/phy-meson8b-usb2.c @@ -173,11 +173,43 @@ static int phy_meson8b_usb2_exit(struct phy *phy) return 0; } -static int phy_meson8b_usb2_power_on(struct phy *phy) +static int phy_meson8b_usb2_setmode(struct phy *phy, enum phy_mode mode, + int submode) { struct phy_meson8b_usb2_priv *priv = phy_get_drvdata(phy); u32 reg; + switch (mode) { + case PHY_MODE_USB_HOST: + if (priv->match->host_enable_aca) { + regmap_update_bits(priv->regmap, REG_ADP_BC, + REG_ADP_BC_ACA_ENABLE, + REG_ADP_BC_ACA_ENABLE); + + udelay(ACA_ENABLE_COMPLETE_TIME); + + regmap_read(priv->regmap, REG_ADP_BC, ®); + if (reg & REG_ADP_BC_ACA_PIN_FLOAT) { + dev_warn(&phy->dev, "USB ID detect failed!\n"); + return -EINVAL; + } + } + break; + default: + dev_warn(&phy->dev, "USB ID detect failed to setnode! %d\n", mode); + return -EINVAL; + } + + priv->dr_mode = mode; + + return 0; +} + +static int phy_meson8b_usb2_power_on(struct phy *phy) +{ + struct phy_meson8b_usb2_priv *priv = phy_get_drvdata(phy); + int ret; + regmap_update_bits(priv->regmap, REG_CONFIG, REG_CONFIG_CLK_32k_ALTSEL, REG_CONFIG_CLK_32k_ALTSEL); @@ -197,24 +229,12 @@ static int phy_meson8b_usb2_power_on(struct phy *phy) regmap_update_bits(priv->regmap, REG_CTRL, REG_CTRL_SOF_TOGGLE_OUT, REG_CTRL_SOF_TOGGLE_OUT); - if (priv->dr_mode == USB_DR_MODE_HOST) { - regmap_update_bits(priv->regmap, REG_DBG_UART, - REG_DBG_UART_SET_IDDQ, 0); - - if (priv->match->host_enable_aca) { - regmap_update_bits(priv->regmap, REG_ADP_BC, - REG_ADP_BC_ACA_ENABLE, - REG_ADP_BC_ACA_ENABLE); - - udelay(ACA_ENABLE_COMPLETE_TIME); - - regmap_read(priv->regmap, REG_ADP_BC, ®); - if (reg & REG_ADP_BC_ACA_PIN_FLOAT) { - dev_warn(&phy->dev, "USB ID detect failed!\n"); - clk_bulk_disable_unprepare(priv->num_clks, priv->clks); - return -EINVAL; - } - } + ret = phy_meson8b_usb2_setmode(phy, priv->dr_mode, 0); + if (ret) { + phy_meson8b_usb2_power_off(phy); + dev_err(&phy->dev, "Failed to initialize PHY with mode %d\n", + priv->dr_mode); + return ret; } return 0; @@ -238,6 +258,7 @@ static const struct phy_ops phy_meson8b_usb2_ops = { .exit = phy_meson8b_usb2_exit, .power_on = phy_meson8b_usb2_power_on, .power_off = phy_meson8b_usb2_power_off, + .set_mode = phy_meson8b_usb2_setmode, .owner = THIS_MODULE, }; @@ -261,6 +282,9 @@ static int phy_meson8b_usb2_probe(struct platform_device *pdev) if (!priv->match) return -ENODEV; + /* start in host mode */ + priv->dr_mode = PHY_MODE_USB_HOST; + priv->regmap = devm_regmap_init_mmio(&pdev->dev, base, &phy_meson8b_usb2_regmap_conf); if (IS_ERR(priv->regmap))