linux-kernel - [PATCH v2 03/17] dt-bindings: riscv: Add vendorid

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Message-Id: <20240415-dev-charlie-support_thead_vector_6_9-v2-3-c7d68c603268@rivosinc.com>
Date: Mon, 15 Apr 2024 21:12:00 -0700
From: Charlie Jenkins <charlie@...osinc.com>
To: Conor Dooley <conor@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Paul Walmsley <paul.walmsley@...ive.com>, 
 Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
 Guo Ren <guoren@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
 Chen-Yu Tsai <wens@...e.org>, Jernej Skrabec <jernej.skrabec@...il.com>, 
 Samuel Holland <samuel@...lland.org>, 
 Conor Dooley <conor.dooley@...rochip.com>, Evan Green <evan@...osinc.com>, 
 Clément Léger <cleger@...osinc.com>, 
 Jonathan Corbet <corbet@....net>, Shuah Khan <shuah@...nel.org>
Cc: linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Palmer Dabbelt <palmer@...osinc.com>, 
 linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev, 
 linux-doc@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 Charlie Jenkins <charlie@...osinc.com>
Subject: [PATCH v2 03/17] dt-bindings: riscv: Add vendorid

vendorid are required during DT parsing to determine known hardware
capabilities. This parsing happens before the whole system has booted,
so only the boot hart is online and able to report the value of its
vendorid.

Signed-off-by: Charlie Jenkins <charlie@...osinc.com>
---
 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 d87dd50f1a4b..030c7697d3b7 100644
--- a/Documentation/devicetree/bindings/riscv/cpus.yaml
+++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
@@ -94,6 +94,11 @@ properties:
     description:
       The blocksize in bytes for the Zicboz cache operations.
 
+  riscv,vendorid:
+    $ref: /schemas/types.yaml#/definitions/uint64
+    description:
+      Same value as the mvendorid CSR.
+
   # RISC-V has multiple properties for cache op block sizes as the sizes
   # differ between individual CBO extensions
   cache-op-block-size: false

-- 
2.44.0