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From: Charlie Jenkins <charlie@rivosinc.com>
Date: Thu, 11 Apr 2024 21:11:09 -0700
Subject: [PATCH 03/19] dt-bindings: riscv: Add xtheadvector ISA extension
 description
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To: Conor Dooley <conor@kernel.org>, Rob Herring <robh@kernel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, 
 Paul Walmsley <paul.walmsley@sifive.com>, 
 Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, 
 Guo Ren <guoren@kernel.org>, Conor Dooley <conor+dt@kernel.org>, 
 Chen-Yu Tsai <wens@csie.org>, Jernej Skrabec <jernej.skrabec@gmail.com>, 
 Samuel Holland <samuel@sholland.org>, 
 Conor Dooley <conor.dooley@microchip.com>, Evan Green <evan@rivosinc.com>, 
 =?utf-8?q?Cl=C3=A9ment_L=C3=A9ger?= <cleger@rivosinc.com>, 
 Jonathan Corbet <corbet@lwn.net>, Shuah Khan <shuah@kernel.org>
Cc: linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, 
 linux-kernel@vger.kernel.org, Palmer Dabbelt <palmer@rivosinc.com>, 
 linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, 
 linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, 
 Charlie Jenkins <charlie@rivosinc.com>

The xtheadvector ISA extension is described on the T-Head extension spec
Github page [1].

[1] https://github.com/T-head-Semi/thead-extension-spec/blob/master/xtheadvector.adoc

Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
---
 Documentation/devicetree/bindings/riscv/extensions.yaml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 468c646247aa..3fd9dcf70662 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -477,6 +477,10 @@ properties:
             latency, as ratified in commit 56ed795 ("Update
             riscv-crypto-spec-vector.adoc") of riscv-crypto.
 
+        # vendor extensions, each extension sorted alphanumerically under the
+        # vendor they belong to. Vendors are sorted alphanumerically as well.
+
+        # Andes
         - const: xandespmu
           description:
             The Andes Technology performance monitor extension for counter overflow
@@ -484,5 +488,10 @@ properties:
             Registers in the AX45MP datasheet.
             https://www.andestech.com/wp-content/uploads/AX45MP-1C-Rev.-5.0.0-Datasheet.pdf
 
+        # T-HEAD
+        - const: xtheadvector
+          description:
+            The T-HEAD specific 0.7.1 vector implementation.
+
 additionalProperties: true
 ...

-- 
2.44.0