kernel: backport support for BCM54612E PHY
[openwrt/staging/chunkeey.git] / target / linux / generic / patches-4.4 / 078-0003-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch
1 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
2 Subject: [PATCH 1/2] net: phy: cherry-pick Broadcom drivers updates from
3 v4.10-rc1
4
5 Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
6 ---
7
8 --- a/drivers/net/phy/broadcom.c
9 +++ b/drivers/net/phy/broadcom.c
10 @@ -337,6 +337,41 @@ static int bcm5481_config_aneg(struct ph
11 return ret;
12 }
13
14 +static int bcm54612e_config_aneg(struct phy_device *phydev)
15 +{
16 + int ret;
17 +
18 + /* First, auto-negotiate. */
19 + ret = genphy_config_aneg(phydev);
20 +
21 + /* Clear TX internal delay unless requested. */
22 + if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) &&
23 + (phydev->interface != PHY_INTERFACE_MODE_RGMII_TXID)) {
24 + /* Disable TXD to GTXCLK clock delay (default set) */
25 + /* Bit 9 is the only field in shadow register 00011 */
26 + bcm_phy_write_shadow(phydev, 0x03, 0);
27 + }
28 +
29 + /* Clear RX internal delay unless requested. */
30 + if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) &&
31 + (phydev->interface != PHY_INTERFACE_MODE_RGMII_RXID)) {
32 + u16 reg;
33 +
34 + /* Errata: reads require filling in the write selector field */
35 + bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC,
36 + MII_BCM54XX_AUXCTL_MISC_RDSEL_MISC);
37 + reg = phy_read(phydev, MII_BCM54XX_AUX_CTL);
38 + /* Disable RXD to RXC delay (default set) */
39 + reg &= ~MII_BCM54XX_AUXCTL_MISC_RXD_RXC_SKEW;
40 + /* Clear shadow selector field */
41 + reg &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MASK;
42 + bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC,
43 + MII_BCM54XX_AUXCTL_MISC_WREN | reg);
44 + }
45 +
46 + return ret;
47 +}
48 +
49 static int brcm_phy_setbits(struct phy_device *phydev, int reg, int set)
50 {
51 int val;
52 @@ -488,6 +523,19 @@ static struct phy_driver broadcom_driver
53 .config_intr = bcm_phy_config_intr,
54 .driver = { .owner = THIS_MODULE },
55 }, {
56 + .phy_id = PHY_ID_BCM54612E,
57 + .phy_id_mask = 0xfffffff0,
58 + .name = "Broadcom BCM54612E",
59 + .features = PHY_GBIT_FEATURES |
60 + SUPPORTED_Pause | SUPPORTED_Asym_Pause,
61 + .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
62 + .config_init = bcm54xx_config_init,
63 + .config_aneg = bcm54612e_config_aneg,
64 + .read_status = genphy_read_status,
65 + .ack_interrupt = bcm_phy_ack_intr,
66 + .config_intr = bcm_phy_config_intr,
67 + .driver = { .owner = THIS_MODULE },
68 +}, {
69 .phy_id = PHY_ID_BCM54616S,
70 .phy_id_mask = 0xfffffff0,
71 .name = "Broadcom BCM54616S",
72 @@ -612,6 +660,7 @@ static struct mdio_device_id __maybe_unu
73 { PHY_ID_BCM5411, 0xfffffff0 },
74 { PHY_ID_BCM5421, 0xfffffff0 },
75 { PHY_ID_BCM5461, 0xfffffff0 },
76 + { PHY_ID_BCM54612E, 0xfffffff0 },
77 { PHY_ID_BCM54616S, 0xfffffff0 },
78 { PHY_ID_BCM5464, 0xfffffff0 },
79 { PHY_ID_BCM5481, 0xfffffff0 },
80 --- a/include/linux/brcmphy.h
81 +++ b/include/linux/brcmphy.h
82 @@ -18,6 +18,7 @@
83 #define PHY_ID_BCM5421 0x002060e0
84 #define PHY_ID_BCM5464 0x002060b0
85 #define PHY_ID_BCM5461 0x002060c0
86 +#define PHY_ID_BCM54612E 0x03625e60
87 #define PHY_ID_BCM54616S 0x03625d10
88 #define PHY_ID_BCM57780 0x03625d90
89
90 @@ -102,11 +103,12 @@
91 #define MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA 0x0800
92
93 #define MII_BCM54XX_AUXCTL_MISC_WREN 0x8000
94 +#define MII_BCM54XX_AUXCTL_MISC_RXD_RXC_SKEW 0x0100
95 #define MII_BCM54XX_AUXCTL_MISC_FORCE_AMDIX 0x0200
96 #define MII_BCM54XX_AUXCTL_MISC_RDSEL_MISC 0x7000
97 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC 0x0007
98
99 -#define MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL 0x0000
100 +#define MII_BCM54XX_AUXCTL_SHDWSEL_MASK 0x0007
101
102 /*
103 * Broadcom LED source encodings. These are used in BCM5461, BCM5481,