linux-kernel - [PATCH 1/1] dt-bindings: sp804: add support for Hisilicon sp804 timer

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Date:   Sat, 19 Sep 2020 20:44:12 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     devicetree <devicetree@...r.kernel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Haojian Zhuang" <haojian.zhuang@...aro.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Catalin Marinas <catalin.marinas@....com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.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>
Subject: [PATCH 1/1] 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 | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/timer/arm,sp804.yaml b/Documentation/devicetree/bindings/timer/arm,sp804.yaml
index ba0945cf799ee0b..e35d3053250a557 100644
--- a/Documentation/devicetree/bindings/timer/arm,sp804.yaml
+++ b/Documentation/devicetree/bindings/timer/arm,sp804.yaml
@@ -15,19 +15,26 @@ 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:
     compatible:
       contains:
-        const: arm,sp804
+        oneOf:
+          - const: arm,sp804
+          - const: hisilicon,sp804
   required:
     - compatible
 
 properties:
   compatible:
     items:
-      - const: arm,sp804
+      - enum:
+        - arm,sp804
+        - hisilicon,sp804
       - const: arm,primecell
 
   interrupts:
-- 
1.8.3