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From:   "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
To:     gregkh@linuxfoundation.org, robh+dt@kernel.org
Cc:     linux-serial@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, Peng Fan <peng.fan@nxp.com>
Subject: [PATCH] dt-bindings: serial: fsl-lpuart: Add imx93 compatible string
Date:   Tue, 15 Feb 2022 16:13:34 +0800
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From: Peng Fan <peng.fan@nxp.com>

The lpuart on i.MX93 is derived from i.MX8ULP with some industrial
enhancements, it uses three compatible strings, so update the
compatible string for i.MX93. But for a few instants,
DTR_B, DSR_B, DCD_B and RIN_B pins are supported, so use one compatible
string fsl,imx93-lpuart-v2

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 Documentation/devicetree/bindings/serial/fsl-lpuart.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml b/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml
index 6e04e3848261..d7805f31ccc2 100644
--- a/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml
+++ b/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml
@@ -24,6 +24,8 @@ properties:
           - fsl,imxrt1050-lpuart
       - items:
           - enum:
+              - fsl,imx93-lpuart
+              - fsl,imx93-lpuart-v2
               - fsl,imx8qxp-lpuart
               - fsl,imx8ulp-lpuart
           - const: fsl,imx7ulp-lpuart
-- 
2.25.1