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Message-Id: <20220610004308.1903626-2-heiko@sntech.de>
Date:   Fri, 10 Jun 2022 02:43:06 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     palmer@...belt.com, paul.walmsley@...ive.com
Cc:     linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        wefu@...hat.com, guoren@...nel.org, cmuellner@...ux.com,
        philipp.tomsich@...ll.eu, hch@....de, samuel@...lland.org,
        atishp@...shpatra.org, anup@...infault.org, mick@....forth.gr,
        robh+dt@...nel.org, krzk+dt@...nel.org, devicetree@...r.kernel.org,
        drew@...gleboard.org, Heiko Stuebner <heiko@...ech.de>
Subject: [PATCH 1/3] dt-bindings: riscv: document cbom-block-size

The Zicbom operates on a block-size defined for the cpu-core,
which does not necessarily match other cache-sizes used.

So add the necessary property for the system to know the core's
block-size.

Signed-off-by: Heiko Stuebner <heiko@...ech.de>
Reviewed-by: Anup Patel <anup@...infault.org>
---
 Documentation/devicetree/bindings/riscv/cpus.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
index d632ac76532e..873dd12f6e89 100644
--- a/Documentation/devicetree/bindings/riscv/cpus.yaml
+++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
@@ -63,6 +63,11 @@ properties:
       - riscv,sv48
       - riscv,none
 
+  riscv,cbom-block-size:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      The blocksize in bytes for the Zicbom cache operations.
+
   riscv,isa:
     description:
       Identifies the specific RISC-V instruction set architecture
-- 
2.35.1

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