linux-kernel - [PATCH 1/2] dt-bindings: timer: thead,c900-aclint-mtimer: separate mtime and mtimecmp regs

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Date:   Mon, 13 Nov 2023 10:23:59 +0800
From:   Inochi Amaoto <inochiama@...look.com>
To:     Guo Ren <guoren@...nel.org>, Jisheng Zhang <jszhang@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Inochi Amaoto <inochiama@...look.com>,
        Chen Wang <unicorn_wang@...look.com>
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-riscv@...ts.infradead.org
Subject: [PATCH 1/2] dt-bindings: timer: thead,c900-aclint-mtimer: separate mtime and mtimecmp regs

To make thead aclint timer more closer to the aclint spec, use two regs
to represent the mtime and mtimecmp.

Signed-off-by: Inochi Amaoto <inochiama@...look.com>
Fixes: 4734449f7311 ("dt-bindings: timer: Add Sophgo sg2042 CLINT timer")
Link: https://lists.infradead.org/pipermail/opensbi/2023-October/005693.html
Link: https://lists.infradead.org/pipermail/opensbi/2023-October/005738.html
Link: https://github.com/riscv/riscv-aclint/blob/main/riscv-aclint.adoc
---
 .../devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml  | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml b/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml
index fbd235650e52..c3080962d902 100644
--- a/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml
+++ b/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml
@@ -17,7 +17,7 @@ properties:
       - const: thead,c900-aclint-mtimer

   reg:
-    maxItems: 1
+    maxItems: 2

   interrupts-extended:
     minItems: 1
@@ -38,6 +38,7 @@ examples:
                             <&cpu2intc 7>,
                             <&cpu3intc 7>,
                             <&cpu4intc 7>;
-      reg = <0xac000000 0x00010000>;
+      reg = <0xac000000 0x00000000>,
+            <0xac000000 0x0000c000>;
     };
 ...
--
2.42.1