linux-kernel - [PATCH v3 1/8] dt-bindings: tegra186-hsp: Add shared interrupts

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Message-ID: <20180702114033.15654-2-mperttunen@nvidia.com>
Date:   Mon, 2 Jul 2018 14:40:26 +0300
From:   Mikko Perttunen <mperttunen@...dia.com>
To:     <jassisinghbrar@...il.com>, <gregkh@...uxfoundation.org>,
        <thierry.reding@...il.com>, <jonathanh@...dia.com>
CC:     <devicetree@...r.kernel.org>, <linux-serial@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Mikko Perttunen <mperttunen@...dia.com>
Subject: [PATCH v3 1/8] dt-bindings: tegra186-hsp: Add shared interrupts

HSP interrupts can be routed through exposed "shared interrupts". These
interrupts can be mapped to various internal interrupt lines. Add
interrupt properties for shared interrupts to the tegra186-hsp device
tree bindings.

Signed-off-by: Mikko Perttunen <mperttunen@...dia.com>
Acked-by: Jon Hunter <jonathanh@...dia.com>
Reviewed-by: Rob Herring <robh@...nel.org>
---

Notes:
    v2:
    - Edited commit message to not say that doorbell interrupts cannot be
      routed to shared interrupts.
    - Added tegra194 compatibility string.
    
    v3:
    - Added Jon's A-b and Rob's R-b

 Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.txt b/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.txt
index b99d25fc2f26..620c249363ca 100644
--- a/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.txt
+++ b/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.txt
@@ -15,12 +15,15 @@ Required properties:
     Array of strings.
     one of:
     - "nvidia,tegra186-hsp"
+    - "nvidia,tegra194-hsp", "nvidia,tegra186-hsp"
 - reg : Offset and length of the register set for the device.
 - interrupt-names
     Array of strings.
     Contains a list of names for the interrupts described by the interrupt
     property. May contain the following entries, in any order:
     - "doorbell"
+    - "sharedN", where 'N' is a number from zero up to the number of
+      external interrupts supported by the HSP instance minus one.
     Users of this binding MUST look up entries in the interrupt property
     by name, using this interrupt-names property to do so.
 - interrupts
-- 
2.16.1