Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/net/macb.txt b/Documentation/devicetree/bindings/net/macb.txt
new file mode 100644
index 000000000..3e17ac1d5
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/macb.txt
@@ -0,0 +1,49 @@
+* Cadence MACB/GEM Ethernet controller
+
+Required properties:
+- compatible: Should be "cdns,[<chip>-]{macb|gem}"
+  Use "cdns,at91rm9200-emac" Atmel at91rm9200 SoC.
+  Use "cdns,at91sam9260-macb" for Atmel at91sam9 SoCs or the 10/100Mbit IP
+  available on sama5d3 SoCs.
+  Use "cdns,np4-macb" for NP4 SoC devices.
+  Use "cdns,at32ap7000-macb" for other 10/100 usage or use the generic form: "cdns,macb".
+  Use "cdns,pc302-gem" for Picochip picoXcell pc302 and later devices based on
+  the Cadence GEM, or the generic form: "cdns,gem".
+  Use "atmel,sama5d2-gem" for the GEM IP (10/100) available on Atmel sama5d2 SoCs.
+  Use "atmel,sama5d3-macb" for the 10/100Mbit IP available on Atmel sama5d3 SoCs.
+  Use "atmel,sama5d3-gem" for the Gigabit IP available on Atmel sama5d3 SoCs.
+  Use "atmel,sama5d4-gem" for the GEM IP (10/100) available on Atmel sama5d4 SoCs.
+  Use "cdns,zynq-gem" Xilinx Zynq-7xxx SoC.
+  Use "cdns,zynqmp-gem" for Zynq Ultrascale+ MPSoC.
+  Or the generic form: "cdns,emac".
+- reg: Address and length of the register set for the device
+- interrupts: Should contain macb interrupt
+- phy-mode: See ethernet.txt file in the same directory.
+- clock-names: Tuple listing input clock names.
+	Required elements: 'pclk', 'hclk'
+	Optional elements: 'tx_clk'
+	Optional elements: 'rx_clk' applies to cdns,zynqmp-gem
+	Optional elements: 'tsu_clk'
+- clocks: Phandles to input clocks.
+
+Optional properties for PHY child node:
+- reset-gpios : Should specify the gpio for phy reset
+- magic-packet : If present, indicates that the hardware supports waking
+  up via magic packet.
+- phy-handle : see ethernet.txt file in the same directory
+
+Examples:
+
+	macb0: ethernet@fffc4000 {
+		compatible = "cdns,at32ap7000-macb";
+		reg = <0xfffc4000 0x4000>;
+		interrupts = <21>;
+		phy-mode = "rmii";
+		local-mac-address = [3a 0e 03 04 05 06];
+		clock-names = "pclk", "hclk", "tx_clk";
+		clocks = <&clkc 30>, <&clkc 30>, <&clkc 13>;
+		ethernet-phy@1 {
+			reg = <0x1>;
+			reset-gpios = <&pioE 6 1>;
+		};
+	};