[PATCH 01/10] dt-bindings: riscv: add Zca, Zcf, Zcd and Zcb ISA extension description

From: "Clément Léger" <cleger@rivosinc.com>
To: Jonathan Corbet <corbet@lwn.net>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Conor Dooley <conor@kernel.org>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Anup Patel <anup@brainfault.org>, Shuah Khan <shuah@kernel.org>
Cc: "Clément Léger" <cleger@rivosinc.com>,
	"Atish Patra" <atishp@atishpatra.org>,
	linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	kvm@vger.kernel.org, kvm-riscv@lists.infradead.org,
	linux-kselftest@vger.kernel.org
Subject: [PATCH 01/10] dt-bindings: riscv: add Zca, Zcf, Zcd and Zcb ISA extension description
Date: Wed, 10 Apr 2024 11:10:54 +0200	[thread overview]
Message-ID: <20240410091106.749233-2-cleger@rivosinc.com> (raw)
In-Reply-To: <20240410091106.749233-1-cleger@rivosinc.com>

Add description for Zca, Zcf, Zcd and Zcb extensions which are part the
Zc* standard extensions for code size reduction.

Signed-off-by: Clément Léger <cleger@rivosinc.com>
---
 .../devicetree/bindings/riscv/extensions.yaml | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 616370318a66..516f57bdfeeb 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -220,6 +220,38 @@ properties:
             instructions as ratified at commit 6d33919 ("Merge pull request #158
             from hirooih/clmul-fix-loop-end-condition") of riscv-bitmanip.
 
+        - const: zca
+          description: |
+            The Zca extension part of Zc* standard extensions for code size
+            reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on
+            RV64 as it contains no instructions") of riscv-code-size-reduction,
+            merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed
+            of zc.adoc to src tree.").
+
+        - const: zcb
+          description: |
+            The Zcb extension part of Zc* standard extensions for code size
+            reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on
+            RV64 as it contains no instructions") of riscv-code-size-reduction,
+            merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed
+            of zc.adoc to src tree.").
+
+        - const: zcd
+          description: |
+            The Zcd extension part of Zc* standard extensions for code size
+            reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on
+            RV64 as it contains no instructions") of riscv-code-size-reduction,
+            merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed
+            of zc.adoc to src tree.").
+
+        - const: zcf
+          description: |
+            The Zcf extension part of Zc* standard extensions for code size
+            reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on
+            RV64 as it contains no instructions") of riscv-code-size-reduction,
+            merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed
+            of zc.adoc to src tree.").
+
         - const: zfa
           description:
             The standard Zfa extension for additional floating point
-- 
2.43.0

