From: Jim Liu <jim.t90615@gmail.com>
Date: Thu, 7 Aug 2025 05:29:31 +0000 (+0800)
Subject: net: phy: broadcom: add support for BCM54612E
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0cabbe3235ba91f84495095a7bec693338b3c521;p=pandora-u-boot.git

net: phy: broadcom: add support for BCM54612E

It's Broadcom PHY simply described as single-port
RGMII 10/100/1000BASE-T PHY.

Signed-off-by: Jim Liu <JJLIU0@nuvoton.com>
---

diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index 0a49015eb89..1c02e3efedc 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -134,6 +134,33 @@ static void bcm_phy_write_misc(struct phy_device *phydev,
 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_BCM54XX_EXP_DATA, value);
 }
 
+/* Broadcom BCM54612E */
+static int bcm54612e_config(struct phy_device *phydev)
+{
+	u32 reg = 0;
+
+	genphy_config_aneg(phydev);
+
+	phy_reset(phydev);
+
+	/* 125Mhz Clock Output Enable */
+	reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_BCM54XX_EXP_SEL);
+	reg |= 0xD34;
+	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_BCM54XX_EXP_SEL, reg);
+
+	reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_BCM54XX_EXP_DATA);
+	reg |= (1 << 1);
+	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_BCM54XX_EXP_DATA, reg);
+
+	reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_BCM54XX_EXP_SEL);
+	reg &= 0xfffff000;
+	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_BCM54XX_EXP_SEL, reg);
+
+	genphy_restart_aneg(phydev);
+
+	return 0;
+}
+
 /* Broadcom BCM5461S */
 static int bcm5461_config(struct phy_device *phydev)
 {
@@ -434,6 +461,16 @@ U_BOOT_PHY_DRIVER(bcm5461s) = {
 	.shutdown = &genphy_shutdown,
 };
 
+U_BOOT_PHY_DRIVER(bcm54612e) = {
+	.name = "Broadcom BCM54612E",
+	.uid = 0x03625e6a,
+	.mask = 0xfffff0,
+	.features = PHY_GBIT_FEATURES,
+	.config = &bcm54612e_config,
+	.startup = &bcm54xx_startup,
+	.shutdown = &genphy_shutdown,
+};
+
 U_BOOT_PHY_DRIVER(bcm5464s) = {
 	.name = "Broadcom BCM5464S",
 	.uid = 0x2060b0,