linux-kernel - [PATCH v3 9/9] dt-bindings: sp804: add support for Hisilicon sp804 timer

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Date:   Fri, 18 Sep 2020 21:22:37 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     Rob Herring <robh+dt@...nel.org>,
        devicetree <devicetree@...r.kernel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Haojian Zhuang <haojian.zhuang@...aro.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
CC:     Zhen Lei <thunder.leizhen@...wei.com>,
        Libin <huawei.libin@...wei.com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        Jianguo Chen <chenjianguo3@...wei.com>
Subject: [PATCH v3 9/9] dt-bindings: sp804: add support for Hisilicon sp804 timer

Some Hisilicon SoCs, such as Hi1212, use the Hisilicon extended sp804
timer.

Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
---
 Documentation/devicetree/bindings/timer/arm,sp804.yaml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/timer/arm,sp804.yaml b/Documentation/devicetree/bindings/timer/arm,sp804.yaml
index ba0945cf799ee0b..06dfcbcc7b24255 100644
--- a/Documentation/devicetree/bindings/timer/arm,sp804.yaml
+++ b/Documentation/devicetree/bindings/timer/arm,sp804.yaml
@@ -15,6 +15,9 @@ description: |+
   free-running mode. The input clock is shared, but can be gated and prescaled
   independently for each timer.
 
+  There is a viriant of Arm SP804: Hisilicon 64-bit SP804 timer. Some Hisilicon
+  SoCs, such as Hi1212, should use the dedicated compatible: "hisilicon,sp804".
+
 # Need a custom select here or 'arm,primecell' will match on lots of nodes
 select:
   properties:
@@ -27,7 +30,9 @@ select:
 properties:
   compatible:
     items:
-      - const: arm,sp804
+      - enum:
+        - arm,sp804
+        - hisilicon,sp804
       - const: arm,primecell
 
   interrupts:
-- 
1.8.3