linux-kernel - [PATCH 2/6] dt-bindings: serial: 8250_omap: Add compatible for J721E UART controller

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Date:   Wed, 22 May 2019 11:19:17 -0500
From:   Nishanth Menon <nm@...com>
To:     Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        Will Deacon <will.deacon@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>
CC:     <linux-serial@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Tony Lindgren <tony@...mide.com>,
        Russell King <linux@...linux.org.uk>,
        Tero Kristo <t-kristo@...com>, Nishanth Menon <nm@...com>,
        Sekhar Nori <nsekhar@...com>, Vignesh R <vigneshr@...com>
Subject: [PATCH 2/6] dt-bindings: serial: 8250_omap: Add compatible for J721E UART controller

J721e uses a UART controller that is compatible with AM654 UART.
Introduce a specific compatible to help handle the differences if
necessary.

Cc: Sekhar Nori <nsekhar@...com>
Cc: Vignesh R <vigneshr@...com>
Signed-off-by: Nishanth Menon <nm@...com>
---
NOTE:
 - If Greg is ok, we can pick up the uart compatibility via the k3 tree,
   else, I can spawn it off the series into it's own patch, but it
   seemed better in a logical order.

 Documentation/devicetree/bindings/serial/omap_serial.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/serial/omap_serial.txt b/Documentation/devicetree/bindings/serial/omap_serial.txt
index 0a9b5444f4e6..dcba86b0a0d0 100644
--- a/Documentation/devicetree/bindings/serial/omap_serial.txt
+++ b/Documentation/devicetree/bindings/serial/omap_serial.txt
@@ -1,6 +1,7 @@
 OMAP UART controller
 
 Required properties:
+- compatible : should be "ti,j721e-uart", "ti,am654-uart" for J721E controllers
 - compatible : should be "ti,am654-uart" for AM654 controllers
 - compatible : should be "ti,omap2-uart" for OMAP2 controllers
 - compatible : should be "ti,omap3-uart" for OMAP3 controllers
-- 
2.21.0.777.g83232e38648b