diff options
Diffstat (limited to 'Documentation/devicetree/bindings/net/meson-dwmac.txt')
-rw-r--r-- | Documentation/devicetree/bindings/net/meson-dwmac.txt | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/Documentation/devicetree/bindings/net/meson-dwmac.txt b/Documentation/devicetree/bindings/net/meson-dwmac.txt deleted file mode 100644 index 1321bb194ed9..000000000000 --- a/Documentation/devicetree/bindings/net/meson-dwmac.txt +++ /dev/null @@ -1,71 +0,0 @@ -* Amlogic Meson DWMAC Ethernet controller - -The device inherits all the properties of the dwmac/stmmac devices -described in the file stmmac.txt in the current directory with the -following changes. - -Required properties on all platforms: - -- compatible: Depending on the platform this should be one of: - - "amlogic,meson6-dwmac" - - "amlogic,meson8b-dwmac" - - "amlogic,meson8m2-dwmac" - - "amlogic,meson-gxbb-dwmac" - - "amlogic,meson-axg-dwmac" - Additionally "snps,dwmac" and any applicable more - detailed version number described in net/stmmac.txt - should be used. - -- reg: The first register range should be the one of the DWMAC - controller. The second range is is for the Amlogic specific - configuration (for example the PRG_ETHERNET register range - on Meson8b and newer) - -Required properties on Meson8b, Meson8m2, GXBB and newer: -- clock-names: Should contain the following: - - "stmmaceth" - see stmmac.txt - - "clkin0" - first parent clock of the internal mux - - "clkin1" - second parent clock of the internal mux - -Optional properties on Meson8b, Meson8m2, GXBB and newer: -- amlogic,tx-delay-ns: The internal RGMII TX clock delay (provided - by this driver) in nanoseconds. Allowed values - are: 0ns, 2ns, 4ns, 6ns. - When phy-mode is set to "rgmii" then the TX - delay should be explicitly configured. When - not configured a fallback of 2ns is used. - When the phy-mode is set to either "rgmii-id" - or "rgmii-txid" the TX clock delay is already - provided by the PHY. In that case this - property should be set to 0ns (which disables - the TX clock delay in the MAC to prevent the - clock from going off because both PHY and MAC - are adding a delay). - Any configuration is ignored when the phy-mode - is set to "rmii". - -Example for Meson6: - - ethmac: ethernet@c9410000 { - compatible = "amlogic,meson6-dwmac", "snps,dwmac"; - reg = <0xc9410000 0x10000 - 0xc1108108 0x4>; - interrupts = <0 8 1>; - interrupt-names = "macirq"; - clocks = <&clk81>; - clock-names = "stmmaceth"; - } - -Example for GXBB: - ethmac: ethernet@c9410000 { - compatible = "amlogic,meson-gxbb-dwmac", "snps,dwmac"; - reg = <0x0 0xc9410000 0x0 0x10000>, - <0x0 0xc8834540 0x0 0x8>; - interrupts = <0 8 1>; - interrupt-names = "macirq"; - clocks = <&clkc CLKID_ETH>, - <&clkc CLKID_FCLK_DIV2>, - <&clkc CLKID_MPLL2>; - clock-names = "stmmaceth", "clkin0", "clkin1"; - phy-mode = "rgmii"; - }; |