linux-kernel - [PATCH 3/6] dt-bindings: serial: fsl-lpuart: add i.MX7ULP support

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Date:   Tue, 9 May 2017 15:50:45 +0800
From:   Dong Aisheng <aisheng.dong@....com>
To:     <linux-serial@...r.kernel.org>
CC:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <gregkh@...uxfoundation.org>, <jslaby@...e.com>,
        <fugang.duan@....com>, <stefan@...er.ch>, <Mingkai.Hu@....com>,
        <yangbo.lu@....com>, Dong Aisheng <aisheng.dong@....com>,
        <devicetree@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>
Subject: [PATCH 3/6] dt-bindings: serial: fsl-lpuart: add i.MX7ULP support

The lpuart of imx7ulp is basically the same as ls1021a. It's also
32 bit width register, but unlike ls1021a, it's little endian.
Besides that, imx7ulp lpuart has a minor different register layout
from ls1021a.

Cc: devicetree@...r.kernel.org
Cc: Rob Herring <robh+dt@...nel.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Jiri Slaby <jslaby@...e.com>
Cc: Fugang Duan <fugang.duan@....com>
Cc: Stefan Agner <stefan@...er.ch>
Cc: Mingkai Hu <Mingkai.Hu@....com>
Cc: Yangbo Lu <yangbo.lu@....com>
Signed-off-by: Dong Aisheng <aisheng.dong@....com>
---
 Documentation/devicetree/bindings/serial/fsl-lpuart.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/serial/fsl-lpuart.txt b/Documentation/devicetree/bindings/serial/fsl-lpuart.txt
index c95005e..a1252a0 100644
--- a/Documentation/devicetree/bindings/serial/fsl-lpuart.txt
+++ b/Documentation/devicetree/bindings/serial/fsl-lpuart.txt
@@ -6,6 +6,8 @@ Required properties:
     on Vybrid vf610 SoC with 8-bit register organization
   - "fsl,ls1021a-lpuart" for lpuart compatible with the one integrated
     on LS1021A SoC with 32-bit big-endian register organization
+  - "fsl,imx7ulp-lpuart" for lpuart compatible with the one integrated
+    on i.MX7ULP SoC with 32-bit little-endian register organization
 - reg : Address and length of the register set for the device
 - interrupts : Should contain uart interrupt
 - clocks : phandle + clock specifier pairs, one for each entry in clock-names
-- 
2.7.4