linux-kernel - [PATCH net-next 6/8] net: dsa: b53: mmap: Add register layout for bcm6318

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Message-ID: <20250716002922.230807-7-kylehendrydev@gmail.com>
Date: Tue, 15 Jul 2025 17:29:05 -0700
From: Kyle Hendry <kylehendrydev@...il.com>
To: Florian Fainelli <florian.fainelli@...adcom.com>,
	Andrew Lunn <andrew@...n.ch>,
	Vladimir Oltean <olteanv@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Russell King <linux@...linux.org.uk>
Cc: noltari@...il.com,
	jonas.gorski@...il.com,
	Kyle Hendry <kylehendrydev@...il.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	netdev@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH net-next 6/8] net: dsa: b53: mmap: Add register layout for bcm6318

Add ephy register info for bcm6318, which also applies to
bcm6328 and bcm6362.

Signed-off-by: Kyle Hendry <kylehendrydev@...il.com>
---
 drivers/net/dsa/b53/b53_mmap.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/drivers/net/dsa/b53/b53_mmap.c b/drivers/net/dsa/b53/b53_mmap.c
index 35bf39ab2771..51303f075a1f 100644
--- a/drivers/net/dsa/b53/b53_mmap.c
+++ b/drivers/net/dsa/b53/b53_mmap.c
@@ -40,6 +40,15 @@ struct b53_mmap_priv {
 	const struct b53_phy_info *phy_info;
 };
 
+static const u32 bcm6318_ephy_offsets[] = {4, 5, 6, 7};
+
+static const struct b53_phy_info bcm6318_ephy_info = {
+	.ephy_enable_mask = BIT(0) | BIT(4) | BIT(8) | BIT(12) | BIT(16),
+	.ephy_port_mask = GENMASK((ARRAY_SIZE(bcm6318_ephy_offsets) - 1), 0),
+	.ephy_bias_bit = 24,
+	.ephy_offset = bcm6318_ephy_offsets,
+};
+
 static const u32 bcm63268_ephy_offsets[] = {4, 9, 14};
 
 static const struct b53_phy_info bcm63268_ephy_info = {
@@ -334,7 +343,11 @@ static int b53_mmap_probe(struct platform_device *pdev)
 
 	priv->gpio_ctrl = syscon_regmap_lookup_by_phandle(np, "brcm,gpio-ctrl");
 	if (!IS_ERR(priv->gpio_ctrl)) {
-		if (pdata->chip_id == BCM63268_DEVICE_ID)
+		if (pdata->chip_id == BCM6318_DEVICE_ID ||
+		    pdata->chip_id == BCM6328_DEVICE_ID ||
+		    pdata->chip_id == BCM6362_DEVICE_ID)
+			priv->phy_info = &bcm6318_ephy_info;
+		else if (pdata->chip_id == BCM63268_DEVICE_ID)
 			priv->phy_info = &bcm63268_ephy_info;
 	}
 
-- 
2.43.0