linux-kernel - [PATCH v2 1/2] dt-bindings: serial: snps-dw-apb-uart: Add Sophgo SG2044 uarts

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Message-ID: <20241021072606.585878-2-inochiama@gmail.com>
Date: Mon, 21 Oct 2024 15:26:05 +0800
From: Inochi Amaoto <inochiama@...il.com>
To: Chen Wang <unicorn_wang@...look.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Inochi Amaoto <inochiama@...look.com>
Cc: Yixun Lan <dlan@...too.org>,
	Inochi Amaoto <inochiama@...il.com>,
	linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-riscv@...ts.infradead.org
Subject: [PATCH v2 1/2] dt-bindings: serial: snps-dw-apb-uart: Add Sophgo SG2044 uarts

The UART of SG2044 is modified version of the standard Synopsys
DesignWare UART. The UART on SG2044 relys on the internal divisor
and can not set right clock rate for the common bitrates.

Add compatibles string for the Sophgo SG2044 uarts.

Signed-off-by: Inochi Amaoto <inochiama@...il.com>
---
 .../devicetree/bindings/serial/snps-dw-apb-uart.yaml          | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
index 4cdb0dcaccf3..6963f89a1848 100644
--- a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
+++ b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
@@ -58,6 +58,10 @@ properties:
               - brcm,bcm11351-dw-apb-uart
               - brcm,bcm21664-dw-apb-uart
           - const: snps,dw-apb-uart
+      - items:
+          - enum:
+              - sophgo,sg2044-uart
+          - const: snps,dw-apb-uart
       - items:
           - enum:
               - starfive,jh7100-hsuart
-- 
2.47.0