[PATCH v2 1/3] dt-bindings: aspeed-lpc: Add UART routing compatible string
From: Chia-Wei Wang <hidden>
Date: 2021-09-02 02:20:21
Also in:
linux-aspeed, linux-devicetree, lkml, openbmc
Subsystem:
multifunction devices (mfd), open firmware and flattened device tree bindings, the rest · Maintainers:
Lee Jones, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add the compatible string and the device tree description for the Aspeed AST25xx/AST26xx UART routing control. Signed-off-by: Chia-Wei Wang <redacted> --- .../devicetree/bindings/mfd/aspeed-lpc.txt | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+)
diff --git a/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt b/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt
index 936aa108eab4..45d44f812e5e 100644
--- a/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt
+++ b/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt@@ -155,3 +155,25 @@ lpc_reset: reset-controller@98 { reg = <0x98 0x4>; #reset-cells = <1>; }; + +UART routing control +-------------------- + +The UART routing control manages the RX muxes among the UART controllers +and the I/O pins. This is typicall used for the Serial-Over-Lan (SOL) +service. + +Required properties: + + - compatible: One of: + "aspeed,ast2500-uart-routing"; + "aspeed,ast2600-uart-routing"; + + - reg: offset and length of the IP in the LPC memory region + +Example: + +uart_routing: uart-routing@98 { + compatible = "aspeed,ast2600-uart-routing"; + reg = <0x98 0x8>; +};
--
2.17.1
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