From mboxrd@z Thu Jan 1 00:00:00 1970 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=-8.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 2D25BC33CB3 for ; Wed, 15 Jan 2020 08:01:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EEBA424679 for ; Wed, 15 Jan 2020 08:01:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="TvDS04c4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728939AbgAOIBv (ORCPT ); Wed, 15 Jan 2020 03:01:51 -0500 Received: from mail-wm1-f66.google.com ([209.85.128.66]:38079 "EHLO mail-wm1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728925AbgAOIBv (ORCPT ); Wed, 15 Jan 2020 03:01:51 -0500 Received: by mail-wm1-f66.google.com with SMTP id u2so16652434wmc.3 for ; Wed, 15 Jan 2020 00:01:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:autocrypt:organization:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=LqGaezBmjqo1I3iqgzWcout33RhA0cLHgVioPXtlKd4=; b=TvDS04c4VdOECsl00gF0Bv6+U2ZHSIdozA3JRwRtpSqC/bv+uM9qW7Wuhgj5dV6yR+ KNUQ9gSe0rLjDk64dpSUp37KeTF5AuFk4t7gK63EJN01UDgt1fE3685VFSmQm5kaGhv1 XMNAj7GHBTp1bGJ1vpL41X10pmmq1xv09rFI0fKXq7IeLvvjG0pTg1shWmS/6r3Rm5Cx RKdUJLXJr2MAkBI5OAjmqx+uSxv+A48RV4oXWW9oOhL5+ffNaBzZA7f/Y0j3LNs3GL19 ThWZtIX1dhDA18wjoUc8x/8iAFmAITtr91SWB2AQIm9IWJEr9USk81M1qK5vx67Oh4rZ JW6A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:autocrypt :organization:message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=LqGaezBmjqo1I3iqgzWcout33RhA0cLHgVioPXtlKd4=; b=aItGZgn440h0LA2iJsDCXMNtJlcPzBcbyKrUK9C38BcvJLHdR6bqHNULwU1k/Gtcdh IQbIuN75MzluNtkyI+DPRCO4fBOMzpu/x9iFi10mraGbT0NWel+a38Y1K+shSMjGbn/T jNtjJoj4L1eR/zFKeWK2mfy0DK7AVh4pfzr+viEqI4Z8N/3Vebd7ygm7SUlQ2ZNG+EP+ wB9B6ZYdZRGu+zn3fHMvs+stxSGx2Bzd1Z0xMRqgQNhWpIsRSiXpJLqJBPy+EOvDGQOH GjrqhC84DFxZ0dG17yXB6BG1SoH0wBv83Fl2zK1KanR4dVosp3JKjlhJpeKWJZ+5ZqP+ h7zw== X-Gm-Message-State: APjAAAWka3PLhadCupPHEpY9s9WYA0R07huULjBOoiHXGOT6qTCaAHnF 9ArQle5kOl2WnRxU/9yE+LLQ3Q== X-Google-Smtp-Source: APXvYqzrj/IVZkkvSCDE8i0Wj87kZF8tJojhg+NQAlJXlmypQIV1dS8AgnJnYPXM91mw9maNWCqeSA== X-Received: by 2002:a1c:541b:: with SMTP id i27mr33322177wmb.137.1579075307994; Wed, 15 Jan 2020 00:01:47 -0800 (PST) Received: from [10.1.2.12] (laubervilliers-658-1-213-31.w90-63.abo.wanadoo.fr. [90.63.244.31]) by smtp.gmail.com with ESMTPSA id r15sm22123624wmh.21.2020.01.15.00.01.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 15 Jan 2020 00:01:47 -0800 (PST) Subject: Re: [PATCH v5 3/6] phy: amlogic: Add Amlogic A1 USB2 PHY Driver To: Hanjie Lin , Jerome Brunet , Rob Herring , Greg Kroah-Hartman , Kevin Hilman Cc: Yue Wang , linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, Carlo Caione , Michael Turquette , Stephen Boyd , Martin Blumenstingl , Liang Yang , Jianxin Pan , Qiufang Dai , Jian Hu , Victor Wan , Xingyu Chen References: <1578634957-54826-1-git-send-email-hanjie.lin@amlogic.com> <1578634957-54826-4-git-send-email-hanjie.lin@amlogic.com> From: Neil Armstrong Autocrypt: addr=narmstrong@baylibre.com; prefer-encrypt=mutual; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKE5laWwgQXJtc3Ryb25nIDxuYXJtc3Ryb25nQGJheWxpYnJlLmNvbT7CwHsEEwEKACUC GyMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheABQJXDO2CAhkBAAoJEBaat7Gkz/iubGIH/iyk RqvgB62oKOFlgOTYCMkYpm2aAOZZLf6VKHKc7DoVwuUkjHfIRXdslbrxi4pk5VKU6ZP9AKsN NtMZntB8WrBTtkAZfZbTF7850uwd3eU5cN/7N1Q6g0JQihE7w4GlIkEpQ8vwSg5W7hkx3yQ6 2YzrUZh/b7QThXbNZ7xOeSEms014QXazx8+txR7jrGF3dYxBsCkotO/8DNtZ1R+aUvRfpKg5 ZgABTC0LmAQnuUUf2PHcKFAHZo5KrdO+tyfL+LgTUXIXkK+tenkLsAJ0cagz1EZ5gntuheLD YJuzS4zN+1Asmb9kVKxhjSQOcIh6g2tw7vaYJgL/OzJtZi6JlIXOwU0EVid/pAEQAND7AFhr 5faf/EhDP9FSgYd/zgmb7JOpFPje3uw7jz9wFb28Cf0Y3CcncdElYoBNbRlesKvjQRL8mozV 9RN+IUMHdUx1akR/A4BPXNdL7StfzKWOCxZHVS+rIQ/fE3Qz/jRmT6t2ZkpplLxVBpdu95qJ YwSZjuwFXdC+A7MHtQXYi3UfCgKiflj4+/ITcKC6EF32KrmIRqamQwiRsDcUUKlAUjkCLcHL CQvNsDdm2cxdHxC32AVm3Je8VCsH7/qEPMQ+cEZk47HOR3+Ihfn1LEG5LfwsyWE8/JxsU2a1 q44LQM2lcK/0AKAL20XDd7ERH/FCBKkNVzi+svYJpyvCZCnWT0TRb72mT+XxLWNwfHTeGALE +1As4jIS72IglvbtONxc2OIid3tR5rX3k2V0iud0P7Hnz/JTdfvSpVj55ZurOl2XAXUpGbq5 XRk5CESFuLQV8oqCxgWAEgFyEapI4GwJsvfl/2Er8kLoucYO1Id4mz6N33+omPhaoXfHyLSy dxD+CzNJqN2GdavGtobdvv/2V0wukqj86iKF8toLG2/Fia3DxMaGUxqI7GMOuiGZjXPt/et/ qeOySghdQ7Sdpu6fWc8CJXV2mOV6DrSzc6ZVB4SmvdoruBHWWOR6YnMz01ShFE49pPucyU1h Av4jC62El3pdCrDOnWNFMYbbon3vABEBAAHCwn4EGAECAAkFAlYnf6QCGwICKQkQFpq3saTP +K7BXSAEGQECAAYFAlYnf6QACgkQd9zb2sjISdGToxAAkOjSfGxp0ulgHboUAtmxaU3viucV e2Hl1BVDtKSKmbIVZmEUvx9D06IijFaEzqtKD34LXD6fjl4HIyDZvwfeaZCbJbO10j3k7FJE QrBtpdVqkJxme/nYlGOVzcOiKIepNkwvnHVnuVDVPcXyj2wqtsU7VZDDX41z3X4xTQwY3SO1 9nRO+f+i4RmtJcITgregMa2PcB0LvrjJlWroI+KAKCzoTHzSTpCXMJ1U/dEqyc87bFBdc+DI k8mWkPxsccdbs4t+hH0NoE3Kal9xtAl56RCtO/KgBLAQ5M8oToJVatxAjO1SnRYVN1EaAwrR xkHdd97qw6nbg9BMcAoa2NMc0/9MeiaQfbgW6b0reIz/haHhXZ6oYSCl15Knkr4t1o3I2Bqr Mw623gdiTzotgtId8VfLB2Vsatj35OqIn5lVbi2ua6I0gkI6S7xJhqeyrfhDNgzTHdQVHB9/ 7jnM0ERXNy1Ket6aDWZWCvM59dTyu37g3VvYzGis8XzrX1oLBU/tTXqo1IFqqIAmvh7lI0Se gCrXz7UanxCwUbQBFjzGn6pooEHJYRLuVGLdBuoApl/I4dLqCZij2AGa4CFzrn9W0cwm3HCO lR43gFyz0dSkMwNUd195FrvfAz7Bjmmi19DnORKnQmlvGe/9xEEfr5zjey1N9+mt3//geDP6 clwKBkq0JggA+RTEAELzkgPYKJ3NutoStUAKZGiLOFMpHY6KpItbbHjF2ZKIU1whaRYkHpB2 uLQXOzZ0d7x60PUdhqG3VmFnzXSztA4vsnDKk7x2xw0pMSTKhMafpxaPQJf494/jGnwBHyi3 h3QGG1RjfhQ/OMTX/HKtAUB2ct3Q8/jBfF0hS5GzT6dYtj0Ci7+8LUsB2VoayhNXMnaBfh+Q pAhaFfRZWTjUFIV4MpDdFDame7PB50s73gF/pfQbjw5Wxtes/0FnqydfId95s+eej+17ldGp lMv1ok7K0H/WJSdr7UwDAHEYU++p4RRTJP6DHWXcByVlpNQ4SSAiivmWiwOt490+Ac7ATQRN WQbPAQgAvIoM384ZRFocFXPCOBir5m2J+96R2tI2XxMgMfyDXGJwFilBNs+fpttJlt2995A8 0JwPj8SFdm6FBcxygmxBBCc7i/BVQuY8aC0Z/w9Vzt3Eo561r6pSHr5JGHe8hwBQUcNPd/9l 2ynP57YTSE9XaGJK8gIuTXWo7pzIkTXfN40Wh5jeCCspj4jNsWiYhljjIbrEj300g8RUT2U0 FcEoiV7AjJWWQ5pi8lZJX6nmB0lc69Jw03V6mblgeZ/1oTZmOepkagwy2zLDXxihf0GowUif GphBDeP8elWBNK+ajl5rmpAMNRoKxpN/xR4NzBg62AjyIvigdywa1RehSTfccQARAQABwsBf BBgBAgAJBQJNWQbPAhsMAAoJEBaat7Gkz/iuteIH+wZuRDqK0ysAh+czshtG6JJlLW6eXJJR Vi7dIPpgFic2LcbkSlvB8E25Pcfz/+tW+04Urg4PxxFiTFdFCZO+prfd4Mge7/OvUcwoSub7 ZIPo8726ZF5/xXzajahoIu9/hZ4iywWPAHRvprXaim5E/vKjcTeBMJIqZtS4u/UK3EpAX59R XVxVpM8zJPbk535ELUr6I5HQXnihQm8l6rt9TNuf8p2WEDxc8bPAZHLjNyw9a/CdeB97m2Tr zR8QplXA5kogS4kLe/7/JmlDMO8Zgm9vKLHSUeesLOrjdZ59EcjldNNBszRZQgEhwaarfz46 BSwxi7g3Mu7u5kUByanqHyA= Organization: Baylibre Message-ID: <69cb2df5-92d0-03a8-aaa8-d9c98909a11e@baylibre.com> Date: Wed, 15 Jan 2020 09:01:46 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <1578634957-54826-4-git-send-email-hanjie.lin@amlogic.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On 10/01/2020 06:42, Hanjie Lin wrote: > This adds support for the USB2 PHY found in the Amlogic A1 SoC Family. > > It supports host mode only. > > Signed-off-by: Hanjie Lin > Signed-off-by: Yue Wang > --- > drivers/phy/amlogic/phy-meson-g12a-usb2.c | 85 +++++++++++++++++++++---------- > 1 file changed, 59 insertions(+), 26 deletions(-) > > diff --git a/drivers/phy/amlogic/phy-meson-g12a-usb2.c b/drivers/phy/amlogic/phy-meson-g12a-usb2.c > index 9065ffc..33296f8 100644 > --- a/drivers/phy/amlogic/phy-meson-g12a-usb2.c > +++ b/drivers/phy/amlogic/phy-meson-g12a-usb2.c > @@ -146,11 +146,17 @@ > #define RESET_COMPLETE_TIME 1000 > #define PLL_RESET_COMPLETE_TIME 100 > > +enum meson_soc_id { > + MESON_SOC_G12A = 0, > + MESON_SOC_A1, > +}; > + > struct phy_meson_g12a_usb2_priv { > struct device *dev; > struct regmap *regmap; > struct clk *clk; > struct reset_control *reset; > + int soc_id; > }; > > static const struct regmap_config phy_meson_g12a_usb2_regmap_conf = { > @@ -164,6 +170,7 @@ static int phy_meson_g12a_usb2_init(struct phy *phy) > { > struct phy_meson_g12a_usb2_priv *priv = phy_get_drvdata(phy); > int ret; > + unsigned int value; > > ret = reset_control_reset(priv->reset); > if (ret) > @@ -192,18 +199,22 @@ static int phy_meson_g12a_usb2_init(struct phy *phy) > FIELD_PREP(PHY_CTRL_R17_MPLL_FILTER_PVT2, 2) | > FIELD_PREP(PHY_CTRL_R17_MPLL_FILTER_PVT1, 9)); > > - regmap_write(priv->regmap, PHY_CTRL_R18, > - FIELD_PREP(PHY_CTRL_R18_MPLL_LKW_SEL, 1) | > - FIELD_PREP(PHY_CTRL_R18_MPLL_LK_W, 9) | > - FIELD_PREP(PHY_CTRL_R18_MPLL_LK_S, 0x27) | > - FIELD_PREP(PHY_CTRL_R18_MPLL_PFD_GAIN, 1) | > - FIELD_PREP(PHY_CTRL_R18_MPLL_ROU, 7) | > - FIELD_PREP(PHY_CTRL_R18_MPLL_DATA_SEL, 3) | > - FIELD_PREP(PHY_CTRL_R18_MPLL_BIAS_ADJ, 1) | > - FIELD_PREP(PHY_CTRL_R18_MPLL_BB_MODE, 0) | > - FIELD_PREP(PHY_CTRL_R18_MPLL_ALPHA, 3) | > - FIELD_PREP(PHY_CTRL_R18_MPLL_ADJ_LDO, 1) | > - PHY_CTRL_R18_MPLL_ACG_RANGE); > + value = FIELD_PREP(PHY_CTRL_R18_MPLL_LKW_SEL, 1) | > + FIELD_PREP(PHY_CTRL_R18_MPLL_LK_W, 9) | > + FIELD_PREP(PHY_CTRL_R18_MPLL_LK_S, 0x27) | > + FIELD_PREP(PHY_CTRL_R18_MPLL_PFD_GAIN, 1) | > + FIELD_PREP(PHY_CTRL_R18_MPLL_ROU, 7) | > + FIELD_PREP(PHY_CTRL_R18_MPLL_DATA_SEL, 3) | > + FIELD_PREP(PHY_CTRL_R18_MPLL_BIAS_ADJ, 1) | > + FIELD_PREP(PHY_CTRL_R18_MPLL_BB_MODE, 0) | > + FIELD_PREP(PHY_CTRL_R18_MPLL_ALPHA, 3) | > + FIELD_PREP(PHY_CTRL_R18_MPLL_ADJ_LDO, 1) | > + PHY_CTRL_R18_MPLL_ACG_RANGE; > + > + if (priv->soc_id == MESON_SOC_A1) > + value |= PHY_CTRL_R18_MPLL_DCO_CLK_SEL; > + > + regmap_write(priv->regmap, PHY_CTRL_R18, value); > > udelay(PLL_RESET_COMPLETE_TIME); > > @@ -227,13 +238,24 @@ static int phy_meson_g12a_usb2_init(struct phy *phy) > FIELD_PREP(PHY_CTRL_R20_USB2_BGR_VREF_4_0, 0) | > FIELD_PREP(PHY_CTRL_R20_USB2_BGR_DBG_1_0, 0)); > > - regmap_write(priv->regmap, PHY_CTRL_R4, > - FIELD_PREP(PHY_CTRL_R4_CALIB_CODE_7_0, 0xf) | > - FIELD_PREP(PHY_CTRL_R4_CALIB_CODE_15_8, 0xf) | > - FIELD_PREP(PHY_CTRL_R4_CALIB_CODE_23_16, 0xf) | > - PHY_CTRL_R4_TEST_BYPASS_MODE_EN | > - FIELD_PREP(PHY_CTRL_R4_I_C2L_BIAS_TRIM_1_0, 0) | > - FIELD_PREP(PHY_CTRL_R4_I_C2L_BIAS_TRIM_3_2, 0)); > + if (priv->soc_id == MESON_SOC_G12A) > + regmap_write(priv->regmap, PHY_CTRL_R4, > + FIELD_PREP(PHY_CTRL_R4_CALIB_CODE_7_0, 0xf) | > + FIELD_PREP(PHY_CTRL_R4_CALIB_CODE_15_8, 0xf) | > + FIELD_PREP(PHY_CTRL_R4_CALIB_CODE_23_16, 0xf) | > + PHY_CTRL_R4_TEST_BYPASS_MODE_EN | > + FIELD_PREP(PHY_CTRL_R4_I_C2L_BIAS_TRIM_1_0, 0) | > + FIELD_PREP(PHY_CTRL_R4_I_C2L_BIAS_TRIM_3_2, 0)); > + else if (priv->soc_id == MESON_SOC_A1) { > + regmap_write(priv->regmap, PHY_CTRL_R21, > + PHY_CTRL_R21_USB2_CAL_ACK_EN | > + PHY_CTRL_R21_USB2_TX_STRG_PD | > + FIELD_PREP(PHY_CTRL_R21_USB2_OTG_ACA_TRIM_1_0, 2)); > + > + /* Analog Settings */ > + regmap_write(priv->regmap, PHY_CTRL_R13, > + FIELD_PREP(PHY_CTRL_R13_MIN_COUNT_FOR_SYNC_DET, 7)); > + } > > /* Tuning Disconnect Threshold */ > regmap_write(priv->regmap, PHY_CTRL_R3, > @@ -241,11 +263,13 @@ static int phy_meson_g12a_usb2_init(struct phy *phy) > FIELD_PREP(PHY_CTRL_R3_HSDIC_REF, 1) | > FIELD_PREP(PHY_CTRL_R3_DISC_THRESH, 3)); > > - /* Analog Settings */ > - regmap_write(priv->regmap, PHY_CTRL_R14, 0); > - regmap_write(priv->regmap, PHY_CTRL_R13, > - PHY_CTRL_R13_UPDATE_PMA_SIGNALS | > - FIELD_PREP(PHY_CTRL_R13_MIN_COUNT_FOR_SYNC_DET, 7)); > + if (priv->soc_id == MESON_SOC_G12A) { > + /* Analog Settings */ > + regmap_write(priv->regmap, PHY_CTRL_R14, 0); > + regmap_write(priv->regmap, PHY_CTRL_R13, > + PHY_CTRL_R13_UPDATE_PMA_SIGNALS | > + FIELD_PREP(PHY_CTRL_R13_MIN_COUNT_FOR_SYNC_DET, 7)); > + } > > return 0; > } > @@ -286,6 +310,8 @@ static int phy_meson_g12a_usb2_probe(struct platform_device *pdev) > if (IS_ERR(base)) > return PTR_ERR(base); > > + priv->soc_id = (enum meson_soc_id)of_device_get_match_data(&pdev->dev); > + > priv->regmap = devm_regmap_init_mmio(dev, base, > &phy_meson_g12a_usb2_regmap_conf); > if (IS_ERR(priv->regmap)) > @@ -321,8 +347,15 @@ static int phy_meson_g12a_usb2_probe(struct platform_device *pdev) > } > > static const struct of_device_id phy_meson_g12a_usb2_of_match[] = { > - { .compatible = "amlogic,g12a-usb2-phy", }, > - { }, > + { > + .compatible = "amlogic,g12a-usb2-phy", > + .data = (void *)MESON_SOC_G12A, > + }, > + { > + .compatible = "amlogic,a1-usb2-phy", > + .data = (void *)MESON_SOC_A1, > + }, > + { /* Sentinel */ } > }; > MODULE_DEVICE_TABLE(of, phy_meson_g12a_usb2_of_match); > > Reviewed-by: Neil Armstrong