1 The Broadcom BCM87XX devices are a family of 1 1 The Broadcom BCM87XX devices are a family of 10G Ethernet PHYs. They
2 have these bindings in addition to the standar 2 have these bindings in addition to the standard PHY bindings.
3 3
4 Compatible: Should contain "broadcom,bcm8706" 4 Compatible: Should contain "broadcom,bcm8706" or "broadcom,bcm8727" and
5 "ethernet-phy-ieee802.3-c45" 5 "ethernet-phy-ieee802.3-c45"
6 6
7 Optional Properties: 7 Optional Properties:
8 8
9 - broadcom,c45-reg-init : one of more sets of 9 - broadcom,c45-reg-init : one of more sets of 4 cells. The first cell
10 is the MDIO Manageable Device (MMD) address, 10 is the MDIO Manageable Device (MMD) address, the second a register
11 address within the MMD, the third cell conta 11 address within the MMD, the third cell contains a mask to be ANDed
12 with the existing register value, and the fo 12 with the existing register value, and the fourth cell is ORed with
13 he result to yield the new register value. 13 he result to yield the new register value. If the third cell has a
14 value of zero, no read of the existing value 14 value of zero, no read of the existing value is performed.
15 15
16 Example: 16 Example:
17 17
18 ethernet-phy@5 { 18 ethernet-phy@5 {
19 reg = <5>; 19 reg = <5>;
20 compatible = "broadcom,bcm8706 20 compatible = "broadcom,bcm8706", "ethernet-phy-ieee802.3-c45";
21 interrupt-parent = <&gpio>; 21 interrupt-parent = <&gpio>;
22 interrupts = <12 8>; /* Pin 12 22 interrupts = <12 8>; /* Pin 12, active low */
23 /* 23 /*
24 * Set PMD Digital Control Reg 24 * Set PMD Digital Control Register for
25 * GPIO[1] Tx/Rx 25 * GPIO[1] Tx/Rx
26 * GPIO[0] R64 Sync Acquired 26 * GPIO[0] R64 Sync Acquired
27 */ 27 */
28 broadcom,c45-reg-init = <1 0xc 28 broadcom,c45-reg-init = <1 0xc808 0xff8f 0x70>;
29 }; 29 };
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