diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.enetaddr | 4 | ||||
| -rw-r--r-- | doc/device-tree-bindings/net/aquantia-phy.txt | 25 | ||||
| -rw-r--r-- | doc/device-tree-bindings/net/phy.txt | 24 | ||||
| -rw-r--r-- | doc/device-tree-bindings/net/ti,dp83867.txt | 6 |
4 files changed, 55 insertions, 4 deletions
diff --git a/doc/README.enetaddr b/doc/README.enetaddr index f926485986..5baa9f2179 100644 --- a/doc/README.enetaddr +++ b/doc/README.enetaddr @@ -76,12 +76,12 @@ To assist in the management of these layers, a few helper functions exist. You should use these rather than attempt to do any kind of parsing/manipulation yourself as many common errors have arisen in the past. - * void eth_parse_enetaddr(const char *addr, uchar *enetaddr); + * void string_to_enetaddr(const char *addr, uchar *enetaddr); Convert a string representation of a MAC address to the binary version. char *addr = "00:11:22:33:44:55"; uchar enetaddr[6]; -eth_parse_enetaddr(addr, enetaddr); +string_to_enetaddr(addr, enetaddr); /* enetaddr now equals { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 } */ * int eth_env_get_enetaddr(char *name, uchar *enetaddr); diff --git a/doc/device-tree-bindings/net/aquantia-phy.txt b/doc/device-tree-bindings/net/aquantia-phy.txt new file mode 100644 index 0000000000..89ce61e05b --- /dev/null +++ b/doc/device-tree-bindings/net/aquantia-phy.txt @@ -0,0 +1,25 @@ +PHY nodes for Aquantia devices. + +This text describes properties that are applicable to Aquantia PHY nodes in +addition to the bindings in phy.txt. + +Aquantia PHYs allow some flexibility in the way they are wired in a system, +they allow MDI pins to be reversed, LEDs linked up in different weays, have an +I2C slave interface that can be used for debug. Normally the configuration +corresponding to these is driven by the PHY firmware with the downside that +a custom firmware is needed for each integration of a PHY. +Several optional bindings are defined that allow these configuration points to +be driven by the PHY driver and reduce dependency on specific FW versions. + +Optional properties: +mdi-reversal: 0 or 1 indicating that reversal must be disabled/enabled. + Firmware default is used if the property is missing. +smb-addr: I2C/SMBus address to use, firmware default is used if the property + is missing. + +Example node: +phy@00 { + reg = <0x00>; + mdi-reversal = <1>; + smb-addr = <0x25>; +}; diff --git a/doc/device-tree-bindings/net/phy.txt b/doc/device-tree-bindings/net/phy.txt new file mode 100644 index 0000000000..6599c667b5 --- /dev/null +++ b/doc/device-tree-bindings/net/phy.txt @@ -0,0 +1,24 @@ +PHY nodes + +If the device tree is used to describe networking interfaces, U-Boot expects a +node for each PHY. Parent node for such a PHY node is expected to correspond to +a MDIO bus and the bus is used to access the PHY. + +Required properties: + + - reg : The ID number for the phy, usually a small integer + +Example: + +ethernet-phy@0 { + compatible = "ethernet-phy-id0141.0e90", "ethernet-phy-ieee802.3-c22"; + interrupt-parent = <&PIC>; + interrupts = <35 IRQ_TYPE_EDGE_RISING>; + reg = <0>; + + resets = <&rst 8>; + reset-names = "phy"; + reset-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; + reset-assert-us = <1000>; + reset-deassert-us = <2000>; +}; diff --git a/doc/device-tree-bindings/net/ti,dp83867.txt b/doc/device-tree-bindings/net/ti,dp83867.txt index 034146f5f8..268220964a 100644 --- a/doc/device-tree-bindings/net/ti,dp83867.txt +++ b/doc/device-tree-bindings/net/ti,dp83867.txt @@ -12,8 +12,10 @@ Required properties: compensate for the board being designed with the lanes swapped. - enet-phy-no-lane-swap - Indicates that PHY will disable swap of the TX/RX lanes. - - ti,clk-output-sel - Clock output select - see dt-bindings/net/ti-dp83867.h - for applicable values + - ti,clk-output-sel - Muxing option for CLK_OUT pin. See dt-bindings/net/ti-dp83867.h + for applicable values. The CLK_OUT pin can also + be disabled by this property. When omitted, the + PHY's default will be left as is. Default child nodes are standard Ethernet PHY device nodes as described in doc/devicetree/bindings/net/ethernet.txt |