linux-kernel - [PATCH 2/4] dt-bindings: irq: imx-irqsteer: add multi output interrupts support

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Message-ID: <1547797668-30342-3-git-send-email-aisheng.dong@nxp.com>
Date:   Fri, 18 Jan 2019 07:53:49 +0000
From:   Aisheng Dong <aisheng.dong@....com>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        dl-linux-imx <linux-imx@....com>,
        "l.stach@...gutronix.de" <l.stach@...gutronix.de>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        Aisheng Dong <aisheng.dong@....com>,
        Marc Zyngier <marc.zyngier@....com>
Subject: [PATCH 2/4] dt-bindings: irq: imx-irqsteer: add multi output
 interrupts support

One irqsteer channel can support up to 8 output interrupts.

Cc: Marc Zyngier <marc.zyngier@....com>
Cc: Rob Herring <robh+dt@...nel.org>
Cc: Lucas Stach <l.stach@...gutronix.de>
Cc: Shawn Guo <shawnguo@...nel.org>
Cc: devicetree@...r.kernel.org
Signed-off-by: Dong Aisheng <aisheng.dong@....com>
---
 .../devicetree/bindings/interrupt-controller/fsl,irqsteer.txt        | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt b/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt
index eaabcda..beeed4a 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt
@@ -6,8 +6,9 @@ Required properties:
 	- "fsl,imx8m-irqsteer"
 	- "fsl,imx-irqsteer"
 - reg: Physical base address and size of registers.
-- interrupts: Should contain the parent interrupt line used to multiplex the
-  input interrupts.
+- interrupts: Should contain the up to 8 parent interrupt lines used to
+  multiplex the input interrupts. They should be sepcified seqencially
+  from output 0 to 7. NOTE at least one output interrupt has to be specified.
 - clocks: Should contain one clock for entry in clock-names
   see Documentation/devicetree/bindings/clock/clock-bindings.txt
 - clock-names:
-- 
2.7.4