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 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 7E452CA6001 for ; Tue, 6 Oct 2026 16:28:40 +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: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=9mg85VabbbtS6czrrB4WvjO2AQoAfu5Y+/lBKySc/qo=; b=OZvZJzwee4oOfz ANJHgwGaL8pHEjj7CN86sb6RR+4OiBbNT/ccEYvidH3MIwfLDeg9lEutbCOAydZTjssLzlM8gVAEm fm5vzS1+lBp6EC2pEgFseS99Wi1YvsWMFaTTdVyxeWSS0GtB0xbqQ6XAiYYdFgODF1cs/QBf6NK/b sIYce68CbnNyRuKNMPwEYCFB25cJtxsf1AQzzF0NiCyWIdGWtK69W0aQRU8L0kC78rIdSUFR7TWnC 63R69Aga8d5Bk9NE5y1XCFR/6pKRsjp61vWSPpHSMT9B1IsD7ZTpnNPFdD5iHir1RqKGU+3NLFN+E bHON+kHJYkUJIa4zO53g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xE81t-000000018XZ-1jOr; Tue, 06 Oct 2026 16:28:37 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xE81r-000000018W3-1ZA7 for linux-rockchip@bombadil.infradead.org; Tue, 06 Oct 2026 16:28:35 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:MIME-Version :References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=C5GHjzqrk28FffPt6wY8dDf5xP519k7dLJfQtCczhyU=; b=Q4Gz/RsaXi0BHCvYMMHJNKVeaA tg0IXHwLb2Dn+h5RhqasOA7d5yb5Z1QnzzqGc1ujYAG+R5GYFAvFyTxIIhMttWRrWo7tQ7m4XVmAT 6etlksHIrzFVUOTnmXTTWld9C5yuGp/S+Y6PV47GjoTC+a1LMl0UfkemtSgVLvlw52qN+jFajj8h2 83M6SF/NaQpNR7WqYgCkLCbLQvwqfnmxqqZTVR8T+RM8t+H7qY767qaH1rsNDtwjneXiLXcutkq03 bK9LaxkQG27Q8cslIiPtequcDm0dA60PxJ4gdha/Jqikj9QfGVm4QDeDTHRVBMYD54MLf103rcL7D 9/30wD0g==; Received: from mail-pz2-x09.google.com ([2607:f8b0:4864:3b::9]) by desiato.infradead.org with esmtps (Exim 4.99.2 #2 (Red Hat Linux)) id 1xE81n-00000008raI-17pk for linux-rockchip@lists.infradead.org; Tue, 06 Oct 2026 16:28:34 +0000 Received: by mail-pz2-x09.google.com with SMTP id 41be03b00d2f7-cc7a925c1a2so237713a12.1 for ; Tue, 06 Oct 2026 09:28:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1791304109; x=1791908909; 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:content-type; bh=C5GHjzqrk28FffPt6wY8dDf5xP519k7dLJfQtCczhyU=; b=nRP2NeO02CTJR2376uXwO1yuornSuebTw5XNQm3PjxNnM6psdjgQnnr6jvnHgjzDnY aUAsVJMZdjvG2XS0Uqqj+Kfxw8rStaWDYkRKLH+fJHUiSCYxHRJ6cQmpM8hyqt8Zu4VZ F6xkuE9l22RW9DXDfeIX+rkYEP4C6uj0qjimGdgj3KOmR6aelcl9u1FHMGYgahR+TeWj P4QFVh2ZKdWWyCLilLvDnd0Pzq1YcTW41TLwa16ZxQDcaABfPEnHBQc9BPpiQ3VOg358 ye2BqCSTbS/K6jfjtm1XO/sAZCzL6AS8P+zbgPPABra6Xsn6Rv8vlhpeYNi0+StOjeVy EBkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1791304109; x=1791908909; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=C5GHjzqrk28FffPt6wY8dDf5xP519k7dLJfQtCczhyU=; b=GizCFL5WVbaSYt5kWHGEPl4bQUpsJrrs+MOjeXsQ6PwLxQksjNCBYOQzkoxWNcjdll IdPzjD2GstcnyDEnwyAhxToYjsRLDJIqdPQYJT2DjWla3u/FmmgabAgiK42o/snhcljH 2QHaO1L5Iu6hCXRwj42U9/kT8YU6cdaymU2iKaUKdBjC8nUhzToIgVi02KleNxOz1+Nq wyV6X6jvL5jQHTwWbPUUn2TQBZBTz3VD2rQkXGJ3PAigBBHV5kcPOVsPmoWB+y91Gog9 4WKGNy9BVoXhGX5gQSYUkmeaA/hAjlrkt2PX4r6I5urW59NqD4Iq+8ohfvmoOiZRDoPr pVtw== X-Forwarded-Encrypted: i=1; AKwUvBwpaFZ85Y2MAcV8iSn03lxnmp7Bhz6fiNL55h8XF7jsRoxVQfs+jE6gduBQGGfo/ua/tNnu6BPE0h2EVZ9GNQ==@lists.infradead.org X-Gm-Message-State: AFuF++l+FOWfT003lKUn2bDB087Ip9FxfY/iNG6lWXxjPJm+DScDbf3k ZclxAMEu9xMds6E5zox9KoabPev/OG/vDvVA4jcRhaTocnXg1fnrCpMnbg0Cs5QT0H7gpBOj X-Gm-Gg: AYBFou3YMUJt/6jmim1xeFyxR9RJBJN80fZOvB5tOVZktubM1AqCuyT/wipq5ixOw/L fV0LjKvsIDtXmva+uIV1GPH5+PYzliMBsTNURsHo0TYJptnuDG3Aq4dqzssm/yzdfcwnck2/o1f dvzlVRSs8ZraOd6SMp4oWXcfZGc+PhlNt3Jmw7DbTzttGh7mIp9b7a8D9jLNKJFHppSYOsRnB9R hKIWnmGxFlbIFjZcEMM5qj/9k9kmU0o2dGlLkHBaNH+JYfhYv+gQrQnzsajutP8sBXYFGVXY5+m 7BY/FIBAmzCl0C754i9Ke2Fft07HOOYB15Uc51TgRhbSceLQUG+IgFlGjaoioQbVH4jgdumdRha 3jJIzVSjsFBYig8Ag6GJEvKFUCcBLWz2LgOietiljxnWthCh+7apxalCU61BjP5j0vQGxLh0GUN JcdptPOE/PNlVkSnKA8AFOOepX49bTlNrq2+2imEcrNgF71WMh45P+/yMV9UZ7R44hHFpk X-Received: by 2002:a05:6a00:f87:b0:880:e0f8:2d9d with SMTP id d2e1a72fcca58-890df9992dbmr1806155b3a.55.1791304108962; Tue, 06 Oct 2026 09:28:28 -0700 (PDT) Received: from server.lan ([168.138.199.194]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-89188a0d603sm259898b3a.19.2026.10.06.09.28.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Oct 2026 09:28:28 -0700 (PDT) From: Coia Prant To: Vinod Koul Cc: Neil Armstrong , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Coia Prant Subject: [PATCH v13 2/2] phy: rockchip: naneng-combphy: add SGMII MAC selection for RK3568 Date: Wed, 7 Oct 2026 00:28:06 +0800 Message-ID: <20261006162807.2843858-3-coiaprant@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261006162807.2843858-1-coiaprant@gmail.com> References: <20261006162807.2843858-1-coiaprant@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261006_172832_449370_72012C8A X-CRM114-Status: GOOD ( 21.76 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org On RK3568, the SGMII interface can be routed to either GMAC0 or GMAC1 via the GRF register pipe_sgmii_mac_sel. Add support for this selection by introducing the "rockchip,sgmii-mac-sel" DT property. >From the RK3568 TRM (Part1, Page 229), the PIPE_GRF_XPCS_CON0 bit 1 (pipe_sgmii_mac_sel) is defined as: 0: SGMII routed to GMAC0 1: SGMII routed to GMAC1 The hardware reset value is 1 (GMAC1). If the property is set to 0, the driver routes SGMII to GMAC0; if set to 1, it routes to GMAC1. If the property is absent, the driver leaves the routing unchanged, so the effective value is whatever the bootloader or hardware reset left. The driver validates the value and rejects anything other than 0 or 1. This is necessary for boards such as the Ariaboard Photonicat, which uses the SGMII interface connected to GMAC0. Link: https://dl.radxa.com/rock3/docs/hw/datasheet/Rockchip%20RK3568%20TRM%20Part1%20V1.1-20210301.pdf (Page 229) Signed-off-by: Coia Prant --- .../rockchip/phy-rockchip-naneng-combphy.c | 42 +++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c index 7843356a4dd47..f76b48009673d 100644 --- a/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c +++ b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c @@ -186,6 +186,7 @@ struct rockchip_combphy_grfcfg { struct combphy_reg pipe_xpcs_phy_ready; struct combphy_reg pipe_pcie1l0_sel; struct combphy_reg pipe_pcie1l1_sel; + struct combphy_reg pipe_sgmii_mac_sel; struct combphy_reg u3otg0_port_en; struct combphy_reg u3otg1_port_en; }; @@ -212,6 +213,8 @@ struct rockchip_combphy_priv { bool enable_ssc; bool ext_refclk; struct clk *refclk; + bool sgmii_mac_sel_present; + u32 sgmii_mac_sel; }; static void rockchip_combphy_updatel(struct rockchip_combphy_priv *priv, @@ -341,6 +344,7 @@ static struct phy *rockchip_combphy_xlate(struct device *dev, const struct of_ph static int rockchip_combphy_parse_dt(struct device *dev, struct rockchip_combphy_priv *priv) { int i; + int ret; priv->num_clks = devm_clk_bulk_get_all(dev, &priv->clks); if (priv->num_clks < 1) @@ -375,6 +379,16 @@ static int rockchip_combphy_parse_dt(struct device *dev, struct rockchip_combphy priv->ext_refclk = device_property_present(dev, "rockchip,ext-refclk"); + if (device_property_present(dev, "rockchip,sgmii-mac-sel")) { + ret = device_property_read_u32(dev, "rockchip,sgmii-mac-sel", &priv->sgmii_mac_sel); + if (ret) { + dev_err(dev, "failed to read sgmii-mac-sel property\n"); + return ret; + } + + priv->sgmii_mac_sel_present = true; + } + priv->phy_rst = devm_reset_control_get_exclusive(dev, "phy"); /* fallback to old behaviour */ if (PTR_ERR(priv->phy_rst) == -ENOENT) @@ -803,11 +817,34 @@ static const struct rockchip_combphy_cfg rk3562_combphy_cfgs = { .combphy_cfg = rk3562_combphy_cfg, }; +static int rk3568_combphy_select_sgmii_mac(struct rockchip_combphy_priv *priv) +{ + const struct rockchip_combphy_grfcfg *cfg = priv->cfg->grfcfg; + + if (!priv->sgmii_mac_sel_present) + return 0; + + switch (priv->sgmii_mac_sel) { + case 0: + rockchip_combphy_param_write(priv->pipe_grf, &cfg->pipe_sgmii_mac_sel, false); + break; + case 1: + rockchip_combphy_param_write(priv->pipe_grf, &cfg->pipe_sgmii_mac_sel, true); + break; + default: + dev_err(priv->dev, "invalid sgmii-mac-sel value %u\n", priv->sgmii_mac_sel); + return -EINVAL; + } + + return 0; +} + static int rk3568_combphy_cfg(struct rockchip_combphy_priv *priv) { const struct rockchip_combphy_grfcfg *cfg = priv->cfg->grfcfg; unsigned long rate; u32 val; + int ret; switch (priv->type) { case PHY_TYPE_PCIE: @@ -873,6 +910,10 @@ static int rk3568_combphy_cfg(struct rockchip_combphy_priv *priv) break; case PHY_TYPE_SGMII: + ret = rk3568_combphy_select_sgmii_mac(priv); + if (ret) + return ret; + rockchip_combphy_param_write(priv->pipe_grf, &cfg->pipe_xpcs_phy_ready, true); rockchip_combphy_param_write(priv->phy_grf, &cfg->pipe_phymode_sel, true); rockchip_combphy_param_write(priv->phy_grf, &cfg->pipe_sel_qsgmii, true); @@ -984,6 +1025,7 @@ static const struct rockchip_combphy_grfcfg rk3568_combphy_grfcfgs = { .con3_for_sata = { 0x000c, 15, 0, 0x00, 0x4407 }, /* pipe-grf */ .pipe_con0_for_sata = { 0x0000, 15, 0, 0x00, 0x2220 }, + .pipe_sgmii_mac_sel = { 0x0040, 1, 1, 0x00, 0x01 }, .pipe_xpcs_phy_ready = { 0x0040, 2, 2, 0x00, 0x01 }, .u3otg0_port_en = { 0x0104, 15, 0, 0x0181, 0x1100 }, .u3otg1_port_en = { 0x0144, 15, 0, 0x0181, 0x1100 }, -- 2.47.3 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip