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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Russell King Cc: noltari@gmail.com, jonas.gorski@gmail.com, Kyle Hendry , Florian Fainelli , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH net-next 2/6] net: dsa: b53: mmap: Add reference to bcm63xx gpio controller Date: Fri, 20 Jun 2025 06:41:17 -0700 Message-ID: <20250620134132.5195-3-kylehendrydev@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250620134132.5195-1-kylehendrydev@gmail.com> References: <20250620134132.5195-1-kylehendrydev@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" On bcm63xx SoCs there are registers that control the PHYs in the GPIO controller. Allow the b53 driver to access them by passing in the syscon through the device tree. Signed-off-by: Kyle Hendry --- drivers/net/dsa/b53/b53_mmap.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/dsa/b53/b53_mmap.c b/drivers/net/dsa/b53/b53_mmap.c index c687360a5b7f..a0c06d703861 100644 --- a/drivers/net/dsa/b53/b53_mmap.c +++ b/drivers/net/dsa/b53/b53_mmap.c @@ -21,6 +21,7 @@ #include #include #include +#include #include #include =20 @@ -28,6 +29,7 @@ =20 struct b53_mmap_priv { void __iomem *regs; + struct regmap *gpio_ctrl; }; =20 static int b53_mmap_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val) @@ -313,6 +315,8 @@ static int b53_mmap_probe(struct platform_device *pdev) =20 priv->regs =3D pdata->regs; =20 + priv->gpio_ctrl =3D syscon_regmap_lookup_by_phandle(np, "brcm,gpio-ctrl"); + dev =3D b53_switch_alloc(&pdev->dev, &b53_mmap_ops, priv); if (!dev) return -ENOMEM; --=20 2.43.0