net: phy: mdio-bcm-unimac: Add BCM6846 support

[ Upstream commit 906b77ca91c7e9833b4e47bedb6bec76be71d497 ]

Add Unimac mdio compatible string for the special BCM6846
variant.

This variant has a few extra registers compared to other
versions.

Suggested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/linux-devicetree/b542b2e8-115c-4234-a464-e73aa6bece5c@broadcom.com/
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patch.msgid.link/20241012-bcm6846-mdio-v1-2-c703ca83e962@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/mdio/mdio-bcm-unimac.c b/drivers/net/mdio/mdio-bcm-unimac.c
index 6b26a0803696d302dbbf72d98cf7172b600b4d2e..a29838be335c9f0ac7215cfc00eaa8c5ec9ca34c 100644 (file)
--- a/drivers/net/mdio/mdio-bcm-unimac.c
+++ b/drivers/net/mdio/mdio-bcm-unimac.c
@@ -336,6 +336,7 @@ static SIMPLE_DEV_PM_OPS(unimac_mdio_pm_ops,
 static const struct of_device_id unimac_mdio_ids[] = {
        { .compatible = "brcm,asp-v2.1-mdio", },
        { .compatible = "brcm,asp-v2.0-mdio", },
+       { .compatible = "brcm,bcm6846-mdio", },
        { .compatible = "brcm,genet-mdio-v5", },
        { .compatible = "brcm,genet-mdio-v4", },
        { .compatible = "brcm,genet-mdio-v3", },