Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
[cascardo/linux.git] / Documentation / devicetree / bindings / net / meson-dwmac.txt
index ec633d7..89e62dd 100644 (file)
@@ -1,18 +1,32 @@
 * Amlogic Meson DWMAC Ethernet controller
 
 The device inherits all the properties of the dwmac/stmmac devices
-described in the file net/stmmac.txt with the following changes.
+described in the file stmmac.txt in the current directory with the
+following changes.
 
-Required properties:
+Required properties on all platforms:
 
-- compatible: should be "amlogic,meson6-dwmac" along with "snps,dwmac"
-             and any applicable more detailed version number
-             described in net/stmmac.txt
+- compatible:  Depending on the platform this should be one of:
+                       - "amlogic,meson6-dwmac"
+                       - "amlogic,meson8b-dwmac"
+                       - "amlogic,meson-gxbb-dwmac"
+               Additionally "snps,dwmac" and any applicable more
+               detailed version number described in net/stmmac.txt
+               should be used.
 
-- reg: should contain a register range for the dwmac controller and
-       another one for the Amlogic specific configuration
+- 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)
 
-Example:
+Required properties on Meson8b 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
+
+
+Example for Meson6:
 
        ethmac: ethernet@c9410000 {
                compatible = "amlogic,meson6-dwmac", "snps,dwmac";
@@ -23,3 +37,18 @@ Example:
                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";
+               status = "disabled";
+       };