From patchwork Thu Mar 6 05:30:58 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kyle Hendry X-Patchwork-Id: 14003836 X-Patchwork-Delegate: kuba@kernel.org Received: from mail-pl1-f181.google.com (mail-pl1-f181.google.com [209.85.214.181]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 149DE19E97A; Thu, 6 Mar 2025 05:31:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.181 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741239112; cv=none; b=TlAtEWVnvOkM39V03dRIq9jDs4XLAkKdrJm2YZ3eJ3ctpPHgfa2JCbWfSEb+SlfnFB8UbURODn89Is4AFrckZoEzkm5UIWap15jBkgMZ6jtMfiNGKSQobhhOrtZhrgXHGWusklhrFL+iQ48ylvXPCDxyLTWk9MEsNlVXIbYnS0k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741239112; c=relaxed/simple; bh=siLeM9++8r0ODoi+wjzDjRUa7L7fDm4F+gHfOU57OtY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Sse4KzDE8HcoY00n4YBqsPjyEV36ne30qxpXOzGstrCmpzaGxDQ2ru+m5wK/nGNj2O/Jv2OrJ4zJhXe/g6C4C87lZ20dYIRVKtCT+wwxn9xMa62Wmxg1+b14YPJMavfsDz3Egtjs7HrVvolXPVJbvGBjufl128kVm4Js8krOeR0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=aoldvsNK; arc=none smtp.client-ip=209.85.214.181 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="aoldvsNK" Received: by mail-pl1-f181.google.com with SMTP id d9443c01a7336-223a7065ff8so4917995ad.0; Wed, 05 Mar 2025 21:31:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1741239110; x=1741843910; darn=vger.kernel.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=Pg0UJGmkB9eAqwQAGGERmKFyJgP97enh4p/9sTbGNAo=; b=aoldvsNK6lWR0WhoNVYvMrLgvTLHxlpdfzPkX/wCxCPN/ZH+ec5sZmUP1Sz88OhFT2 MsHv/C/GSxnkKLAh5dTsd+XNngVg+FHwNhweglrQ537mrDd+K+/xo6axnrBW/Os5jRON uUJc1JeUuWoQggXd60++oqX0pb5DLK7jbkNU3GVPDbI9mScoHA1AujtyEAPAMMoeX4Cx vgpXlrSHbni6yV5X907Rr3kgrSguzMVpOuNxXSB5We/MUdTxpMfuQXTt4+0MXI1ZJECY wEnszCAGXAI48jIicsxFiwYYcEyKlRwyzYMeZVjoxLlpREFUHgCtP7Jh3CbgJzrtQYPU pJBg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741239110; x=1741843910; 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=Pg0UJGmkB9eAqwQAGGERmKFyJgP97enh4p/9sTbGNAo=; b=X9WnJzA6J9dQ+ljnvpX3fTMj57wismboA6wXnroTeu6CLUcwbCo8iRFSRnwl92Hx2p ugfuYdd0bDi+2KTHbcNvlY/V6sk46zJM5IbXYm8sB9nwZBAJkIOTIejzEp6C0WMaky7K NUk6cE23HYpVx6WeHMTnm7UXCn+1Ny9vAR+PPz8WRxQZF6RhdsCZbUw03d8uoi19+Zau pG8kDWr9B14tLZ51bvXwS21px1lSK47QECDSAha/1ZkywWYWQsimdm7EIV82dr0EdK29 6H/xcRagP/O8foCuLi/uXzgxuFIffrIlOvOc3JKgV8j4rz/cbXZ7vgzHuPAUxA75rj5R rD7Q== X-Forwarded-Encrypted: i=1; AJvYcCVPg3wFfvANr6zF0fP+Ls5I0Ki40f5vHZHls1LuvkVxVIslcnwjros6VZDeTh+ydcRHShSwwY3+@vger.kernel.org, AJvYcCVrZAhJUZiGxlVBaIjMD5Jb0aMzi+d3naSoreeEkt7Zqs7fCpnyM0zyx8oOhRriLWe34dhm1BNxliuU@vger.kernel.org, AJvYcCWh8pE7FEQcWTVF8LWAZdaUokj4Q6Dkq6ssiVsX5VQBMbsnYqb7xGHq1SBjtKLvpVexn0MEpFqwPd6wxE4P@vger.kernel.org X-Gm-Message-State: AOJu0Yy8uvfJqOD/TvsUyuKhpHRUgoMsVdpeKSM0hsCmIDhwVxT8OwBM fWFJQkrpM89ZX1W/SEFzX/yaNisY+jb2zLoPjg0tQBrueBPBeJ/R X-Gm-Gg: ASbGncui1TLljfgiEvUYsHzFk7/kqpjE/bIm3+HysuemYccDLK72rW1abMMLJvhPGZl 0SEFtGtMmSxg0I3AHsFLQqY2hKlAutzRulgB4UXMnv/91YhFEeWC1SRaTE7GLY4/vtP142dv+Ln fqaFLalvyw71svzgSK+2hKG3CncU3zSZyoPDKlvhZD35MJyzZ2BItAOnW8DZSj5d1OvNBaIagrY KwSr16YdBcGN7NkauHvQPKotx2hRfN8HyuSucDgRknmtArhbYk/pNTJO0fABBHvevXkAs5wAM6D Dqt1Cu/25/+YC7/j46jytm1xfA9yp/Ub/rTYALnHecZbvds/W1Rx9cWxvCfOflx0 X-Google-Smtp-Source: AGHT+IFQloQNcTSdlZI11jZW2seAs3G5v5VinzyUM8r8SVYpLXLW/OvoWO+R9d3cK0xsOHl2MKwpdQ== X-Received: by 2002:a17:902:ea03:b0:223:f928:4553 with SMTP id d9443c01a7336-223f928486bmr76652325ad.44.1741239110230; Wed, 05 Mar 2025 21:31:50 -0800 (PST) Received: from localhost.localdomain ([205.250.198.200]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-22410aa8ae4sm3470045ad.243.2025.03.05.21.31.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Mar 2025 21:31:50 -0800 (PST) From: Kyle Hendry To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiner Kallweit , Russell King , Florian Fainelli , Broadcom internal kernel review list , Philipp Zabel Cc: noltari@gmail.com, jonas.gorski@gmail.com, Kyle Hendry , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v4 1/3] net: phy: bcm63xx: add support for BCM63268 GPHY Date: Wed, 5 Mar 2025 21:30:58 -0800 Message-ID: <20250306053105.41677-2-kylehendrydev@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250306053105.41677-1-kylehendrydev@gmail.com> References: <20250306053105.41677-1-kylehendrydev@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org Add support for the internal gigabit PHY on the BCM63268 SoC. Low power mode is set in the GPHY control register which is accessed through the GPIO controller syscon. Signed-off-by: Kyle Hendry --- drivers/net/phy/bcm63xx.c | 88 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) diff --git a/drivers/net/phy/bcm63xx.c b/drivers/net/phy/bcm63xx.c index b46a736a3130..b45f2c9acc06 100644 --- a/drivers/net/phy/bcm63xx.c +++ b/drivers/net/phy/bcm63xx.c @@ -3,8 +3,11 @@ * Driver for Broadcom 63xx SOCs integrated PHYs */ #include "bcm-phy-lib.h" +#include #include #include +#include +#include #define MII_BCM63XX_IR 0x1a /* interrupt register */ #define MII_BCM63XX_IR_EN 0x4000 /* global interrupt enable */ @@ -13,10 +16,20 @@ #define MII_BCM63XX_IR_LINK 0x0200 /* link changed */ #define MII_BCM63XX_IR_GMASK 0x0100 /* global interrupt mask */ +#define PHY_ID_BCM63268_GPHY 0x03625f50 + +#define GPHY_CTRL_OFFSET 0x54 +#define GPHY_CTRL_IDDQ_BIAS BIT(0) +#define GPHY_CTRL_LOW_PWR BIT(3) + MODULE_DESCRIPTION("Broadcom 63xx internal PHY driver"); MODULE_AUTHOR("Maxime Bizon "); MODULE_LICENSE("GPL"); +struct bcm_gphy_priv { + struct regmap *gpio_ctrl; +}; + static int bcm63xx_config_intr(struct phy_device *phydev) { int reg, err; @@ -69,6 +82,71 @@ static int bcm63xx_config_init(struct phy_device *phydev) return phy_write(phydev, MII_BCM63XX_IR, reg); } +static int bcm63268_gphy_set(struct phy_device *phydev, bool enable) +{ + struct bcm_gphy_priv *priv = phydev->priv; + u32 pwr_bits; + int ret; + + pwr_bits = GPHY_CTRL_IDDQ_BIAS | GPHY_CTRL_LOW_PWR; + + if (enable) + ret = regmap_update_bits(priv->gpio_ctrl, GPHY_CTRL_OFFSET, pwr_bits, 0); + else + ret = regmap_update_bits(priv->gpio_ctrl, GPHY_CTRL_OFFSET, pwr_bits, pwr_bits); + + return ret; +} + +static int bcm63268_gphy_resume(struct phy_device *phydev) +{ + int ret; + + ret = bcm63268_gphy_set(phydev, true); + if (ret) + return ret; + + return genphy_resume(phydev); +} + +static int bcm63268_gphy_suspend(struct phy_device *phydev) +{ + int ret; + + ret = genphy_suspend(phydev); + if (ret) + return ret; + + return bcm63268_gphy_set(phydev, false); +} + +static int bcm63268_gphy_probe(struct phy_device *phydev) +{ + struct mdio_device *mdio = &phydev->mdio; + struct device *dev = &mdio->dev; + struct reset_control *reset; + struct bcm_gphy_priv *priv; + struct regmap *regmap; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + phydev->priv = priv; + + regmap = syscon_regmap_lookup_by_phandle(dev->of_node, "brcm,gpio-ctrl"); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + priv->gpio_ctrl = regmap; + + reset = devm_reset_control_get_optional_exclusive(dev, NULL); + if (IS_ERR(reset)) + return PTR_ERR(reset); + + return reset_control_reset(reset); +} + static struct phy_driver bcm63xx_driver[] = { { .phy_id = 0x00406000, @@ -89,6 +167,15 @@ static struct phy_driver bcm63xx_driver[] = { .config_init = bcm63xx_config_init, .config_intr = bcm63xx_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, +}, { + .phy_id = PHY_ID_BCM63268_GPHY, + .phy_id_mask = 0xfffffff0, + .name = "Broadcom BCM63268 GPHY", + /* PHY_BASIC_FEATURES */ + .flags = PHY_IS_INTERNAL, + .probe = bcm63268_gphy_probe, + .resume = bcm63268_gphy_resume, + .suspend = bcm63268_gphy_suspend, } }; module_phy_driver(bcm63xx_driver); @@ -96,6 +183,7 @@ module_phy_driver(bcm63xx_driver); static const struct mdio_device_id __maybe_unused bcm63xx_tbl[] = { { 0x00406000, 0xfffffc00 }, { 0x002bdc00, 0xfffffc00 }, + { PHY_ID_MATCH_EXACT(PHY_ID_BCM63268_GPHY) }, { } }; From patchwork Thu Mar 6 05:30:59 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kyle Hendry X-Patchwork-Id: 14003837 X-Patchwork-Delegate: kuba@kernel.org Received: from mail-pl1-f178.google.com (mail-pl1-f178.google.com [209.85.214.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A7C931A00F0; Thu, 6 Mar 2025 05:31:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.178 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741239114; cv=none; b=GIEN2fl3I/W7ch38rsOwc+RHUOiYTfqCa1w4V3dRBKK1Ab676dSz+FNIEnlvMSUIKrSQKvbYbC8JJtDO+tY1SguneAVWCOZ+RmVTx4Rz3mhNHS5ZzUOn3cZN9yIHQePUZ5e085HUZldevjbH/Kap8/zQp2W2uC1IVscXRVWQayI= ARC-Message-Signature: i=1; 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Wed, 05 Mar 2025 21:31:52 -0800 (PST) Received: from localhost.localdomain ([205.250.198.200]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-22410aa8ae4sm3470045ad.243.2025.03.05.21.31.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Mar 2025 21:31:51 -0800 (PST) From: Kyle Hendry To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiner Kallweit , Russell King , Florian Fainelli , Broadcom internal kernel review list , Philipp Zabel Cc: noltari@gmail.com, jonas.gorski@gmail.com, Kyle Hendry , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v4 2/3] net: phy: enable bcm63xx on bmips Date: Wed, 5 Mar 2025 21:30:59 -0800 Message-ID: <20250306053105.41677-3-kylehendrydev@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250306053105.41677-1-kylehendrydev@gmail.com> References: <20250306053105.41677-1-kylehendrydev@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org Allow the bcm63xx PHY driver to be built on bmips machines Signed-off-by: Kyle Hendry Reviewed-by: Florian Fainelli --- drivers/net/phy/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 41c15a2c2037..0f2956ba472d 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -156,10 +156,10 @@ config BCM54140_PHY config BCM63XX_PHY tristate "Broadcom 63xx SOCs internal PHY" - depends on BCM63XX || COMPILE_TEST + depends on BCM63XX || BMIPS_GENERIC || COMPILE_TEST select BCM_NET_PHYLIB help - Currently supports the 6348 and 6358 PHYs. + Currently supports the 6348, 6358 and 63268 PHYs. config BCM7XXX_PHY tristate "Broadcom 7xxx SOCs internal PHYs" From patchwork Thu Mar 6 05:31:00 2025 Content-Type: text/plain; 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Wed, 05 Mar 2025 21:31:53 -0800 (PST) Received: from localhost.localdomain ([205.250.198.200]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-22410aa8ae4sm3470045ad.243.2025.03.05.21.31.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Mar 2025 21:31:53 -0800 (PST) From: Kyle Hendry To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiner Kallweit , Russell King , Florian Fainelli , Broadcom internal kernel review list , Philipp Zabel Cc: noltari@gmail.com, jonas.gorski@gmail.com, Kyle Hendry , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v4 3/3] dt-bindings: net: phy: add BCM63268 GPHY Date: Wed, 5 Mar 2025 21:31:00 -0800 Message-ID: <20250306053105.41677-4-kylehendrydev@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250306053105.41677-1-kylehendrydev@gmail.com> References: <20250306053105.41677-1-kylehendrydev@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org Add YAML bindings for BCM63268 internal GPHY Signed-off-by: Kyle Hendry --- .../bindings/net/brcm,bcm63268-gphy.yaml | 52 +++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/brcm,bcm63268-gphy.yaml diff --git a/Documentation/devicetree/bindings/net/brcm,bcm63268-gphy.yaml b/Documentation/devicetree/bindings/net/brcm,bcm63268-gphy.yaml new file mode 100644 index 000000000000..1f91cf0541eb --- /dev/null +++ b/Documentation/devicetree/bindings/net/brcm,bcm63268-gphy.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/brcm,bcm63268-gphy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM63268 GPHY + +description: Broadcom's internal gigabit ethernet PHY on BCM63268 SoC + +maintainers: + - TBD + +allOf: + - $ref: ethernet-phy.yaml# + +properties: + compatible: + const: ethernet-phy-id0362.5f50 + + reg: + maxItems: 1 + + brcm,gpio-ctrl: + $ref: /schemas/types.yaml#/definitions/phandle + description: Phandle to the SoC GPIO controller + which contains PHY control registers + +required: + - reg + - brcm,gpio-ctrl + - resets + +unevaluatedProperties: false + +examples: + - | + #include + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethernet-phy@4 { + compatible = "ethernet-phy-id0362.5f50"; + reg = <4>; + + resets = <&periph_rst BCM63268_RST_GPHY>; + + brcm,gpio-ctrl = <&gpio_cntl>; + }; + };