From patchwork Fri Oct 18 06:25:25 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Wang X-Patchwork-Id: 13841184 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 6DFDAD3C54E for ; Fri, 18 Oct 2024 06:25:40 +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: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:In-Reply-To:References: List-Owner; bh=GJ5cluUHiJRxgMGl1I1q8cf1+Vd2sPoRuZ5rHV/u2ls=; b=kO61lbLAfp+p5z Jul31OOiwdaTW6asY9lHd0Hh39qPKcnueiRMtx/ixbpETfRsh/zF/DdGn9QkK8Nzy/wOW1Vi66ymc VUkXpEmmveYHZHXZeZTFa2TKohr+W7UAqyVpT11Dqpi2VJwIo+P+vuXlHSnhPYEVkL88HXOTWeWN5 C4LS+POWvlon5jdPSJ8PUShY1FueHlaotMOLq5WSG2iNEz6jDvb9UY35zvQyrD374W+DJOGNlcdmL yjTs657Lt16aRVb9knXWo7c2wRSe80/a4d76gvOdwKZYE1egbhCGdcVJl1U5Dx3AYINE5PVXnht7f o0Ga/50XoN2YPacOaVPw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t1gQe-0000000H7cQ-0Q4t; Fri, 18 Oct 2024 06:25:40 +0000 Received: from mail-pl1-x631.google.com ([2607:f8b0:4864:20::631]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t1gQa-0000000H7bY-1vow; Fri, 18 Oct 2024 06:25:38 +0000 Received: by mail-pl1-x631.google.com with SMTP id d9443c01a7336-20c9d8563cbso674235ad.2; Thu, 17 Oct 2024 23:25:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1729232735; x=1729837535; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=yprsd14/UhfMe85vqYoBkjNPR9l/bSjJtwuT1KvvKb4=; b=bZNPFebTjfIdvn3y5FguwQUI6SamJAYAVHsZgimD7MRboyt8p3ikb18VJc4WqJ1w0G dmhZ3rAYdgKUnqjMBSieubZyYFtlCnAXpu55Q+IHZIrzemLbk5mul2MgbiusE/K8iyc/ 5RvpD7nVh6P4VAI5MBwwzI+T+gT+OK2iH4hT5+K6d3oPDOrybODGtQUob6YeXKA8pxIm 3VzhuXELLCGVgWYHl7hLSzaeToWILXarxQMxTU+uQYRY3NfEMqzs7HB2s4z6v61AAIv5 q3VRnS1BPqXHskXg2+P4RGO6SSz28T8Sj9uQxrcdf7cwm9lENohDCOHIabMpai/FusgH R+Ow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729232735; x=1729837535; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=yprsd14/UhfMe85vqYoBkjNPR9l/bSjJtwuT1KvvKb4=; b=WztrCUwn3PO+GTwAXixTTfEtPGYbtHSr+E5124VVLWznooVEDx5C7KoFxMJZk9xTWU B31uYtbnumiaf5oVxEx3R2nPRLMju+YA1wPakzlLLdN3xvqUuXZ0CCaVhTNZ8lp3YBhb woww7oHxCq9nshU0nbRc78hfZkPxbYDnvgM+RmcHwrBTYqxUlgjDhwJcnCfB7ihfzBF7 9qdn1Dsq1XVJPRtylXhajsWYZ4DpFxQDPgGIchVX7eLkKgexDBSbBn688cPH/y9O5GHL Pq2KATuk1p8/1pRvWJlZ47Vwh/I83sY6QhPSuMLs9Gf5cIPnRg0ZqqIwmj+ecRhfnYWq nHKw== X-Forwarded-Encrypted: i=1; AJvYcCUAqj0FTmeC3+BYKcWfH/IXxcEH0aIBQXtbHgvvcbOMHqKYV/pbMGrGil5UkRC63aQoYc4Z5WDbVrqRt31R8vM=@lists.infradead.org, AJvYcCW4Nzke3JmIJrWqyw+pWweP850u+R0ngX/3IBIpHmt4b/suETa3kbqHumeh5xgVyDMnEPD0JsXTzqaeTYB8bLv/@lists.infradead.org X-Gm-Message-State: AOJu0Yzahg1cw0cWWhR1tisAAmE1GdK8fFXlTmAlyetmfSt1Jmx++LPl A70yrVWncs0fJiHvbH/TaiGWFBHat5Ja5b5zqnDXORznShAbEI5I6Pj9zQ== X-Google-Smtp-Source: AGHT+IF2dAmotnh0dOAlrxHeuqFrtsRPsBS3jwrI7opSJUH6miisW1J66g1K8gQ4g+ORdHqWo93q7w== X-Received: by 2002:a17:902:f0d4:b0:20c:d8d8:226f with SMTP id d9443c01a7336-20e5a91bd91mr8171395ad.12.1729232734831; Thu, 17 Oct 2024 23:25:34 -0700 (PDT) Received: from localhost.localdomain ([103.29.142.67]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20e5a8d6579sm5988405ad.172.2024.10.17.23.25.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Oct 2024 23:25:33 -0700 (PDT) From: Frank Wang To: vkoul@kernel.org, kishon@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, heiko@sntech.de Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, william.wu@rock-chips.com, tim.chen@rock-chips.com, Frank Wang Subject: [PATCH v3 1/2] dt-bindings: phy: rockchip: add rk3576 compatible Date: Fri, 18 Oct 2024 14:25:25 +0800 Message-Id: <20241018062526.33994-1-frawang.cn@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241017_232536_524418_0A7B92A4 X-CRM114-Status: UNSURE ( 8.61 ) X-CRM114-Notice: Please train this message. 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 From: Frank Wang Adds the compatible line to support RK3576 SoC. Signed-off-by: Frank Wang Reviewed-by: Heiko Stuebner Acked-by: Rob Herring (Arm) --- Changelog: v3: - no changes. v2: - add Reviewed and Acked tag. v1: - https://patchwork.kernel.org/project/linux-phy/patch/20241015013351.4884-1-frawang.cn@gmail.com/ .../devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml b/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml index d3cd7997879f7..1b3de6678c087 100644 --- a/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml +++ b/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml @@ -13,6 +13,7 @@ properties: compatible: enum: - rockchip,rk3568-naneng-combphy + - rockchip,rk3576-naneng-combphy - rockchip,rk3588-naneng-combphy reg: From patchwork Fri Oct 18 06:25:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Wang X-Patchwork-Id: 13841185 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 2174AD3C54E for ; Fri, 18 Oct 2024 06:27:10 +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=xqDHPWogtrvge9qSEWwdfX19OvV9hYym6+WpzB/tViA=; b=y+G05aBmpmgmK8 nVH4XzfDdRpUvju02mSihCZf9/PTPn9zd464xoUn0FFPH42eBscjKeWitbDqpWwvEcNF/1vvNvsGg mxZ6zMIulf8yclsEY5wETfiRHqeGsxAPlOihdOqxMUICZ/E5DkkuUhPKrv/jkRXTX3SKgbWKP6P9G NmHzwSqIviyKD7T5o/FVRWRtt4bff3oML6wn7U3o9cMKT56hPrJ0CIcRpw34fgwepmnQTriSCcQXq VZBf6K8T8ADgDKDhsOZdHEZLLKgHX6cu1EE9AJ6z1Ag11GnLLJD43LaBuYxOHdfIwVghuaFhb0rZz GAbxo1BR++4AMKXe3eiw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t1gS5-0000000H7oD-3RXB; Fri, 18 Oct 2024 06:27:09 +0000 Received: from mail-pg1-x52d.google.com ([2607:f8b0:4864:20::52d]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t1gQh-0000000H7cr-1dkP; Fri, 18 Oct 2024 06:25:45 +0000 Received: by mail-pg1-x52d.google.com with SMTP id 41be03b00d2f7-7cd85502a34so176982a12.2; Thu, 17 Oct 2024 23:25:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1729232742; x=1729837542; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=cEE4utDsOqi2G7dEGJL+m5LimCexWxXDNSevLQss62c=; b=OaKinUJ3tb2fSX5LpZznkZnKMes99oTawkTHkCRigS8zA+vL0BybAjDdYBUmcrgS5z 0ZYBVZmdeRUUg0k6H+Nr/71x1o/nCU7AA3xar8Tnc4SJsFIZE3BV1Kf75WgUaaS7BoN+ /SUrzPaI+Ui7IhxVWQsIcOyL0ot0FnrjM+sZk51ksJ83LLgMtFd8SmyOXMHw7cvMbnfk U35urS2Ljsl5I2oGgg2/AUsEJWDX4JPDBtuXQZ6fGyFxZlrgLIluH3YhAZp7mCL9JMd2 U3hXH6RmgNWRXD7L+kEgxpc9O6irEOGMH4t/5jOMMUKM4BHd0x0qiKnVCxjq3UlMZyB9 y/aQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729232742; x=1729837542; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=cEE4utDsOqi2G7dEGJL+m5LimCexWxXDNSevLQss62c=; b=CaeY3AxwNZ7LIgmM2jA1FcxnDz9SKRvnOSxTqntkpxsgPvGIbevGN+52KfHEA8JVsl vmJyb2AVhRWqunaiZYjSQ5k3sNGF6z78d9uyJ0DQek/JGp9oYJSrYPS7h1k5qvrqH8V5 S/QlH5Oi8I7MBmXclXWXZOZGZN2uOPdief7KiViVuLd3rB5nJW+2d/aQAJDGzNeW8TWq muMo0AILQXd9P5wwckdXJP2MLS0MQkzecTSU7V2EFPJiFqmb4O4V/Gu8O/n/bOdXqM+9 eTZx8N+VMaUtXbM1QHjFU8WY58eR4BZgw5+f+h5GJPPWs21VTM8GXcGgQQjxVDApb9Fd JAMA== X-Forwarded-Encrypted: i=1; AJvYcCUQo4aKrNuwv1yr71h9ONJG1iDtlORsl5nTFnmaQZhhRZOAsiwzQXcnND0MF2Q3+bPRvM3L2dfDuxDDckMv+kOo@lists.infradead.org, AJvYcCX2Jd8SzxuMEhRppwQVc+8Hnal9TQK7BM5rp0ZHzzoE1mtxz8lMNX4/oYzainuhZ3sBLJvWwk3DSrzbZDInCIU=@lists.infradead.org X-Gm-Message-State: AOJu0YwtHDPiQid0G7b4JNI/p6Z0NYfUcbjEF/Ha9/BIm81UweDY9GMO 7NV1t66fPE2pU1q4hcw6P/RwhSQKT4Bb6lqPouloLKX1SLu4avG9v+085Q== X-Google-Smtp-Source: AGHT+IExyXO7fl1MVuJOBi5B6kZln0TlTNkDV6cRQ/ZeJq1/zzcSS9Mcx2IXcLh2LD7lAQVLb2HjUQ== X-Received: by 2002:a17:903:24f:b0:20c:d04f:94ad with SMTP id d9443c01a7336-20e5a792dfdmr8784485ad.4.1729232742101; Thu, 17 Oct 2024 23:25:42 -0700 (PDT) Received: from localhost.localdomain ([103.29.142.67]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20e5a8d6579sm5988405ad.172.2024.10.17.23.25.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Oct 2024 23:25:39 -0700 (PDT) From: Frank Wang To: vkoul@kernel.org, kishon@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, heiko@sntech.de Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, william.wu@rock-chips.com, tim.chen@rock-chips.com, Kever Yang , Frank Wang Subject: [PATCH v3 2/2] phy: rockchip-naneng-combo: add rk3576 support Date: Fri, 18 Oct 2024 14:25:26 +0800 Message-Id: <20241018062526.33994-2-frawang.cn@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241018062526.33994-1-frawang.cn@gmail.com> References: <20241018062526.33994-1-frawang.cn@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241017_232543_471513_D2096B7A X-CRM114-Status: GOOD ( 17.08 ) 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 From: Kever Yang Rockchip RK3576 integrates two naneng-combo PHY, PHY0 is used for PCIE and SATA, PHY1 is used for PCIE, SATA and USB3. This adds device specific data support. Signed-off-by: Kever Yang Signed-off-by: William Wu Signed-off-by: Frank Wang --- Changelog: v3: - add detail commit contents. - using FIELD_PREP() instead of bit shift. - leave a blank line after each switch break case. v2: - using constants macro instead of magic values. - add more comments for PHY tuning operations. v1: - https://patchwork.kernel.org/project/linux-phy/patch/20241015013351.4884-2-frawang.cn@gmail.com/ .../rockchip/phy-rockchip-naneng-combphy.c | 279 ++++++++++++++++++ 1 file changed, 279 insertions(+) diff --git a/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c index 0a9989e41237f..eceb798567859 100644 --- a/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c +++ b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c @@ -37,6 +37,10 @@ #define PHYREG8 0x1C #define PHYREG8_SSC_EN BIT(4) +#define PHYREG10 0x24 +#define PHYREG10_SSC_PCM_MASK GENMASK(3, 0) +#define PHYREG10_SSC_PCM_3500PPM 7 + #define PHYREG11 0x28 #define PHYREG11_SU_TRIM_0_7 0xF0 @@ -61,17 +65,26 @@ #define PHYREG16 0x3C #define PHYREG16_SSC_CNT_VALUE 0x5f +#define PHYREG17 0x40 + #define PHYREG18 0x44 #define PHYREG18_PLL_LOOP 0x32 +#define PHYREG21 0x50 +#define PHYREG21_RX_SQUELCH_VAL 0x0D + #define PHYREG27 0x6C #define PHYREG27_RX_TRIM_RK3588 0x4C +#define PHYREG30 0x74 + #define PHYREG32 0x7C #define PHYREG32_SSC_MASK GENMASK(7, 4) +#define PHYREG32_SSC_DIR_MASK GENMASK(5, 4) #define PHYREG32_SSC_DIR_SHIFT 4 #define PHYREG32_SSC_UPWARD 0 #define PHYREG32_SSC_DOWNWARD 1 +#define PHYREG32_SSC_OFFSET_MASK GENMASK(7, 6) #define PHYREG32_SSC_OFFSET_SHIFT 6 #define PHYREG32_SSC_OFFSET_500PPM 1 @@ -79,6 +92,7 @@ #define PHYREG33_PLL_KVCO_MASK GENMASK(4, 2) #define PHYREG33_PLL_KVCO_SHIFT 2 #define PHYREG33_PLL_KVCO_VALUE 2 +#define PHYREG33_PLL_KVCO_VALUE_RK3576 4 struct rockchip_combphy_priv; @@ -98,6 +112,7 @@ struct rockchip_combphy_grfcfg { struct combphy_reg pipe_rxterm_set; struct combphy_reg pipe_txelec_set; struct combphy_reg pipe_txcomp_set; + struct combphy_reg pipe_clk_24m; struct combphy_reg pipe_clk_25m; struct combphy_reg pipe_clk_100m; struct combphy_reg pipe_phymode_sel; @@ -584,6 +599,266 @@ static const struct rockchip_combphy_cfg rk3568_combphy_cfgs = { .combphy_cfg = rk3568_combphy_cfg, }; +static int rk3576_combphy_cfg(struct rockchip_combphy_priv *priv) +{ + const struct rockchip_combphy_grfcfg *cfg = priv->cfg->grfcfg; + unsigned long rate; + u32 val; + + switch (priv->type) { + case PHY_TYPE_PCIE: + /* Set SSC downward spread spectrum */ + val = FIELD_PREP(PHYREG32_SSC_MASK, PHYREG32_SSC_DOWNWARD); + rockchip_combphy_updatel(priv, PHYREG32_SSC_MASK, val, PHYREG32); + + rockchip_combphy_param_write(priv->phy_grf, &cfg->con0_for_pcie, true); + rockchip_combphy_param_write(priv->phy_grf, &cfg->con1_for_pcie, true); + rockchip_combphy_param_write(priv->phy_grf, &cfg->con2_for_pcie, true); + rockchip_combphy_param_write(priv->phy_grf, &cfg->con3_for_pcie, true); + break; + + case PHY_TYPE_USB3: + /* Set SSC downward spread spectrum */ + val = FIELD_PREP(PHYREG32_SSC_MASK, PHYREG32_SSC_DOWNWARD); + rockchip_combphy_updatel(priv, PHYREG32_SSC_MASK, val, PHYREG32); + + /* Enable adaptive CTLE for USB3.0 Rx */ + val = readl(priv->mmio + PHYREG15); + val |= PHYREG15_CTLE_EN; + writel(val, priv->mmio + PHYREG15); + + /* Set PLL KVCO fine tuning signals */ + rockchip_combphy_updatel(priv, PHYREG33_PLL_KVCO_MASK, BIT(3), PHYREG33); + + /* Set PLL LPF R1 to su_trim[10:7]=1001 */ + writel(PHYREG12_PLL_LPF_ADJ_VALUE, priv->mmio + PHYREG12); + + /* Set PLL input clock divider 1/2 */ + val = FIELD_PREP(PHYREG6_PLL_DIV_MASK, PHYREG6_PLL_DIV_2); + rockchip_combphy_updatel(priv, PHYREG6_PLL_DIV_MASK, val, PHYREG6); + + /* Set PLL loop divider */ + writel(PHYREG18_PLL_LOOP, priv->mmio + PHYREG18); + + /* Set PLL KVCO to min and set PLL charge pump current to max */ + writel(PHYREG11_SU_TRIM_0_7, priv->mmio + PHYREG11); + + /* Set Rx squelch input filler bandwidth */ + writel(PHYREG21_RX_SQUELCH_VAL, priv->mmio + PHYREG21); + + rockchip_combphy_param_write(priv->phy_grf, &cfg->pipe_txcomp_sel, false); + rockchip_combphy_param_write(priv->phy_grf, &cfg->pipe_txelec_sel, false); + rockchip_combphy_param_write(priv->phy_grf, &cfg->usb_mode_set, true); + break; + + case PHY_TYPE_SATA: + /* Enable adaptive CTLE for SATA Rx */ + val = readl(priv->mmio + PHYREG15); + val |= PHYREG15_CTLE_EN; + writel(val, priv->mmio + PHYREG15); + + /* Set tx_rterm = 50 ohm and rx_rterm = 43.5 ohm */ + val = PHYREG7_TX_RTERM_50OHM << PHYREG7_TX_RTERM_SHIFT; + val |= PHYREG7_RX_RTERM_44OHM << PHYREG7_RX_RTERM_SHIFT; + writel(val, priv->mmio + PHYREG7); + + rockchip_combphy_param_write(priv->phy_grf, &cfg->con0_for_sata, true); + rockchip_combphy_param_write(priv->phy_grf, &cfg->con1_for_sata, true); + rockchip_combphy_param_write(priv->phy_grf, &cfg->con2_for_sata, true); + rockchip_combphy_param_write(priv->phy_grf, &cfg->con3_for_sata, true); + rockchip_combphy_param_write(priv->pipe_grf, &cfg->pipe_con0_for_sata, true); + rockchip_combphy_param_write(priv->pipe_grf, &cfg->pipe_con1_for_sata, true); + break; + + default: + dev_err(priv->dev, "incompatible PHY type\n"); + return -EINVAL; + } + + rate = clk_get_rate(priv->refclk); + + switch (rate) { + case REF_CLOCK_24MHz: + rockchip_combphy_param_write(priv->phy_grf, &cfg->pipe_clk_24m, true); + if (priv->type == PHY_TYPE_USB3 || priv->type == PHY_TYPE_SATA) { + /* Set ssc_cnt[9:0]=0101111101 & 31.5KHz */ + val = FIELD_PREP(PHYREG15_SSC_CNT_MASK, PHYREG15_SSC_CNT_VALUE); + rockchip_combphy_updatel(priv, PHYREG15_SSC_CNT_MASK, + val, PHYREG15); + + writel(PHYREG16_SSC_CNT_VALUE, priv->mmio + PHYREG16); + } else if (priv->type == PHY_TYPE_PCIE) { + /* PLL KVCO tuning fine */ + val = FIELD_PREP(PHYREG33_PLL_KVCO_MASK, PHYREG33_PLL_KVCO_VALUE_RK3576); + rockchip_combphy_updatel(priv, PHYREG33_PLL_KVCO_MASK, + val, PHYREG33); + + /* Set up rx_pck invert and rx msb to disable */ + writel(0x00, priv->mmio + PHYREG27); + + /* + * Set up SU adjust signal: + * su_trim[7:0], PLL KVCO adjust bits[2:0] to min + * su_trim[15:8], PLL LPF R1 adujst bits[9:7]=3'b011 + * su_trim[31:24], CKDRV adjust + */ + writel(0x90, priv->mmio + PHYREG11); + writel(0x02, priv->mmio + PHYREG12); + writel(0x57, priv->mmio + PHYREG14); + + writel(PHYREG16_SSC_CNT_VALUE, priv->mmio + PHYREG16); + } + break; + + case REF_CLOCK_25MHz: + rockchip_combphy_param_write(priv->phy_grf, &cfg->pipe_clk_25m, true); + break; + + case REF_CLOCK_100MHz: + rockchip_combphy_param_write(priv->phy_grf, &cfg->pipe_clk_100m, true); + if (priv->type == PHY_TYPE_PCIE) { + /* gate_tx_pck_sel length select work for L1SS */ + writel(0xc0, priv->mmio + PHYREG30); + + /* PLL KVCO tuning fine */ + val = FIELD_PREP(PHYREG33_PLL_KVCO_MASK, PHYREG33_PLL_KVCO_VALUE_RK3576); + rockchip_combphy_updatel(priv, PHYREG33_PLL_KVCO_MASK, + val, PHYREG33); + + /* Set up rx_trim: PLL LPF C1 85pf R1 1.25kohm */ + writel(0x4c, priv->mmio + PHYREG27); + + /* + * Set up SU adjust signal: + * su_trim[7:0], PLL KVCO adjust bits[2:0] to min + * su_trim[15:8], bypass PLL loop divider code, and + * PLL LPF R1 adujst bits[9:7]=3'b101 + * su_trim[23:16], CKRCV adjust + * su_trim[31:24], CKDRV adjust + */ + writel(0x90, priv->mmio + PHYREG11); + writel(0x43, priv->mmio + PHYREG12); + writel(0x88, priv->mmio + PHYREG13); + writel(0x56, priv->mmio + PHYREG14); + } else if (priv->type == PHY_TYPE_SATA) { + /* downward spread spectrum +500ppm */ + val = FIELD_PREP(PHYREG32_SSC_DIR_MASK, PHYREG32_SSC_DOWNWARD); + val |= FIELD_PREP(PHYREG32_SSC_OFFSET_MASK, PHYREG32_SSC_OFFSET_500PPM); + rockchip_combphy_updatel(priv, PHYREG32_SSC_MASK, val, PHYREG32); + + /* ssc ppm adjust to 3500ppm */ + rockchip_combphy_updatel(priv, PHYREG10_SSC_PCM_MASK, + PHYREG10_SSC_PCM_3500PPM, + PHYREG10); + } + break; + + default: + dev_err(priv->dev, "Unsupported rate: %lu\n", rate); + return -EINVAL; + } + + if (priv->ext_refclk) { + rockchip_combphy_param_write(priv->phy_grf, &cfg->pipe_clk_ext, true); + if (priv->type == PHY_TYPE_PCIE && rate == REF_CLOCK_100MHz) { + val = FIELD_PREP(PHYREG33_PLL_KVCO_MASK, PHYREG33_PLL_KVCO_VALUE_RK3576); + rockchip_combphy_updatel(priv, PHYREG33_PLL_KVCO_MASK, + val, PHYREG33); + + /* Set up rx_trim: PLL LPF C1 85pf R1 2.5kohm */ + writel(0x0c, priv->mmio + PHYREG27); + + /* + * Set up SU adjust signal: + * su_trim[7:0], PLL KVCO adjust bits[2:0] to min + * su_trim[15:8], bypass PLL loop divider code, and + * PLL LPF R1 adujst bits[9:7]=3'b101. + * su_trim[23:16], CKRCV adjust + * su_trim[31:24], CKDRV adjust + */ + writel(0x90, priv->mmio + PHYREG11); + writel(0x43, priv->mmio + PHYREG12); + writel(0x88, priv->mmio + PHYREG13); + writel(0x56, priv->mmio + PHYREG14); + } + } + + if (priv->enable_ssc) { + val = readl(priv->mmio + PHYREG8); + val |= PHYREG8_SSC_EN; + writel(val, priv->mmio + PHYREG8); + + if (priv->type == PHY_TYPE_PCIE && rate == REF_CLOCK_24MHz) { + /* Set PLL loop divider */ + writel(0x00, priv->mmio + PHYREG17); + writel(PHYREG18_PLL_LOOP, priv->mmio + PHYREG18); + + /* Set up rx_pck invert and rx msb to disable */ + writel(0x00, priv->mmio + PHYREG27); + + /* + * Set up SU adjust signal: + * su_trim[7:0], PLL KVCO adjust bits[2:0] to min + * su_trim[15:8], PLL LPF R1 adujst bits[9:7]=3'b101 + * su_trim[23:16], CKRCV adjust + * su_trim[31:24], CKDRV adjust + */ + writel(0x90, priv->mmio + PHYREG11); + writel(0x02, priv->mmio + PHYREG12); + writel(0x08, priv->mmio + PHYREG13); + writel(0x57, priv->mmio + PHYREG14); + writel(0x40, priv->mmio + PHYREG15); + + writel(PHYREG16_SSC_CNT_VALUE, priv->mmio + PHYREG16); + + val = FIELD_PREP(PHYREG33_PLL_KVCO_MASK, PHYREG33_PLL_KVCO_VALUE_RK3576); + writel(val, priv->mmio + PHYREG33); + } + } + + return 0; +} + +static const struct rockchip_combphy_grfcfg rk3576_combphy_grfcfgs = { + /* pipe-phy-grf */ + .pcie_mode_set = { 0x0000, 5, 0, 0x00, 0x11 }, + .usb_mode_set = { 0x0000, 5, 0, 0x00, 0x04 }, + .pipe_rxterm_set = { 0x0000, 12, 12, 0x00, 0x01 }, + .pipe_txelec_set = { 0x0004, 1, 1, 0x00, 0x01 }, + .pipe_txcomp_set = { 0x0004, 4, 4, 0x00, 0x01 }, + .pipe_clk_24m = { 0x0004, 14, 13, 0x00, 0x00 }, + .pipe_clk_25m = { 0x0004, 14, 13, 0x00, 0x01 }, + .pipe_clk_100m = { 0x0004, 14, 13, 0x00, 0x02 }, + .pipe_phymode_sel = { 0x0008, 1, 1, 0x00, 0x01 }, + .pipe_rate_sel = { 0x0008, 2, 2, 0x00, 0x01 }, + .pipe_rxterm_sel = { 0x0008, 8, 8, 0x00, 0x01 }, + .pipe_txelec_sel = { 0x0008, 12, 12, 0x00, 0x01 }, + .pipe_txcomp_sel = { 0x0008, 15, 15, 0x00, 0x01 }, + .pipe_clk_ext = { 0x000c, 9, 8, 0x02, 0x01 }, + .pipe_phy_status = { 0x0034, 6, 6, 0x01, 0x00 }, + .con0_for_pcie = { 0x0000, 15, 0, 0x00, 0x1000 }, + .con1_for_pcie = { 0x0004, 15, 0, 0x00, 0x0000 }, + .con2_for_pcie = { 0x0008, 15, 0, 0x00, 0x0101 }, + .con3_for_pcie = { 0x000c, 15, 0, 0x00, 0x0200 }, + .con0_for_sata = { 0x0000, 15, 0, 0x00, 0x0129 }, + .con1_for_sata = { 0x0004, 15, 0, 0x00, 0x0000 }, + .con2_for_sata = { 0x0008, 15, 0, 0x00, 0x80c1 }, + .con3_for_sata = { 0x000c, 15, 0, 0x00, 0x0407 }, + /* php-grf */ + .pipe_con0_for_sata = { 0x001C, 2, 0, 0x00, 0x2 }, + .pipe_con1_for_sata = { 0x0020, 2, 0, 0x00, 0x2 }, +}; + +static const struct rockchip_combphy_cfg rk3576_combphy_cfgs = { + .num_phys = 2, + .phy_ids = { + 0x2b050000, + 0x2b060000 + }, + .grfcfg = &rk3576_combphy_grfcfgs, + .combphy_cfg = rk3576_combphy_cfg, +}; + static int rk3588_combphy_cfg(struct rockchip_combphy_priv *priv) { const struct rockchip_combphy_grfcfg *cfg = priv->cfg->grfcfg; @@ -775,6 +1050,10 @@ static const struct of_device_id rockchip_combphy_of_match[] = { .compatible = "rockchip,rk3568-naneng-combphy", .data = &rk3568_combphy_cfgs, }, + { + .compatible = "rockchip,rk3576-naneng-combphy", + .data = &rk3576_combphy_cfgs, + }, { .compatible = "rockchip,rk3588-naneng-combphy", .data = &rk3588_combphy_cfgs,