kernel: kmod-phy-bcm7xxx: Add driver

The CONFIG_BCMGENET kernel config option will select this driver. Add
the driver to the kernel config menu and make kmod-bcmgenet depend on
it.

Link: https://github.com/openwrt/openwrt/pull/19480
Signed-off-by: Hauke Mehrtens <[email protected]>

package/kernel/linux/modules/netdevices.mk

@@ -374,6 +374,23 @@ endef
 $(eval $(call KernelPackage,phy-broadcom))
 
 
+define KernelPackage/phy-bcm7xxx
+   SUBMENU:=$(NETWORK_DEVICES_MENU)
+   TITLE:=Broadcom 7xxx SOCs internal PHYs
+   KCONFIG:=CONFIG_BCM7XXX_PHY
+   DEPENDS:=+kmod-libphy +kmod-phylib-broadcom
+   FILES:=$(LINUX_DIR)/drivers/net/phy/bcm7xxx.ko
+   AUTOLOAD:=$(call AutoLoad,18,bcm7xxx,1)
+endef
+
+define KernelPackage/phy-bcm7xxx/description
+   Currently supports the BCM7366, BCM7439, BCM7445, and
+   40nm and 65nm generation of BCM7xxx Set Top Box SoCs.
+endef
+
+$(eval $(call KernelPackage,phy-bcm7xxx))
+
+
 define KernelPackage/phy-bcm84881
    SUBMENU:=$(NETWORK_DEVICES_MENU)
    TITLE:=Broadcom BCM84881 PHY driver

target/linux/armsr/modules.mk

@@ -15,7 +15,7 @@ $(eval $(call KernelPackage,acpi-mdio))
 
 define KernelPackage/bcmgenet
   SUBMENU=$(NETWORK_DEVICES_MENU)
-  DEPENDS:=@TARGET_armsr +kmod-mdio-bcm-unimac
+  DEPENDS:=@TARGET_armsr +kmod-mdio-bcm-unimac +kmod-phy-bcm7xxx
   TITLE:=Broadcom GENET internal MAC (Raspberry Pi 4)
   KCONFIG:=CONFIG_BCMGENET
   FILES=$(LINUX_DIR)/drivers/net/ethernet/broadcom/genet/genet.ko