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net: phy: add Broadcom BCM7xxx internal PHY driver

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This patch adds support for the Broadcom BCM7xxx Set Top Box SoCs
internal PHYs. This driver supports the following generation of SoCs:

- BCM7366, BCM7439, BCM7445 (28nm process)
- all 40nm and 65nm (older MIPS-based SoCs)

The PHYs on these SoCs require a bunch of workarounds to operate
correctly, both during configuration time and at suspend/resume time,
the driver handles that for us.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli 2014-02-13 16:08:45 -08:00 • committed by David S. Miller
parent 439d39a9ac
commit b560a58c45
4 changed files with 359 additions and 0 deletions
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9
include/linux/brcmphy.h
View file

@ -13,10 +13,17 @@
#define PHY_ID_BCM5461 0x002060c0
#define PHY_ID_BCM57780 0x03625d90
#define PHY_ID_BCM7366 0x600d8490
#define PHY_ID_BCM7439 0x600d8480
#define PHY_ID_BCM7445 0x600d8510
#define PHY_ID_BCM7XXX_28 0x600d8400
#define PHY_BCM_OUI_MASK 0xfffffc00
#define PHY_BCM_OUI_1 0x00206000
#define PHY_BCM_OUI_2 0x0143bc00
#define PHY_BCM_OUI_3 0x03625c00
#define PHY_BCM_OUI_4 0x600d0000
#define PHY_BCM_OUI_5 0x03625e00
#define PHY_BCM_FLAGS_MODE_COPPER 0x00000001
@ -31,6 +38,8 @@
#define PHY_BRCM_EXT_IBND_TX_ENABLE 0x00002000
#define PHY_BRCM_CLEAR_RGMII_MODE 0x00004000
#define PHY_BRCM_DIS_TXCRXC_NOENRGY 0x00008000
/* Broadcom BCM7xxx specific workarounds */
#define PHY_BRCM_100MBPS_WAR 0x00010000
#define PHY_BCM_FLAGS_VALID 0x80000000
/* Broadcom BCM54XX register definitions, common to most Broadcom PHYs */