From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chia-Wei Wang Date: Thu, 2 Sep 2021 10:18:14 +0800 Subject: [PATCH v2 1/3] dt-bindings: aspeed-lpc: Add UART routing compatible string In-Reply-To: <20210902021817.17506-1-chiawei_wang@aspeedtech.com> References: <20210902021817.17506-1-chiawei_wang@aspeedtech.com> Message-ID: <20210902021817.17506-2-chiawei_wang@aspeedtech.com> List-Id: To: linux-aspeed@lists.ozlabs.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Add the compatible string and the device tree description for the Aspeed AST25xx/AST26xx UART routing control. Signed-off-by: Chia-Wei Wang --- .../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 at 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 at 98 { + compatible = "aspeed,ast2600-uart-routing"; + reg = <0x98 0x8>; +}; -- 2.17.1