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Mon, 16 Dec 2024 14:52:04 -0800 (PST) Content-Type: text/plain; charset=utf-8 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.200.121\)) Subject: Re: [PATCH v3 1/3] dt-bindings: riscv: add bfloat16 ISA extension description From: Jessica Clarke In-Reply-To: <5e878b5b-b49d-4757-8f7e-4b323a4998b3@sifive.com> Date: Mon, 16 Dec 2024 22:51:53 +0000 Cc: Inochi Amaoto , linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Yixun Lan , Longbin Li , Conor Dooley , Chen Wang , Jonathan Corbet , Paul Walmsley , Palmer Dabbelt , Albert Ou , Rob Herring , Krzysztof Kozlowski , Conor Dooley , =?utf-8?B?Q2zDqW1lbnQgTMOpZ2Vy?= , Evan Green , Charlie Jenkins , Andrew Jones , Jesse Taube , Andy Chiu , Alexandre Ghiti , Yong-Xuan Wang Content-Transfer-Encoding: quoted-printable Message-Id: References: <20241206055829.1059293-1-inochiama@gmail.com> <20241206055829.1059293-2-inochiama@gmail.com> <5e878b5b-b49d-4757-8f7e-4b323a4998b3@sifive.com> To: Samuel Holland X-Mailer: Apple Mail (2.3826.200.121) On 16 Dec 2024, at 22:00, Samuel Holland = wrote: >=20 > On 2024-12-05 11:58 PM, Inochi Amaoto wrote: >> Add description for the BFloat16 precision Floating-Point ISA = extension, >> (Zfbfmin, Zvfbfmin, Zvfbfwma). which was ratified in commit 4dc23d62 >> ("Added Chapter title to BF16") of the riscv-isa-manual. >>=20 >> Signed-off-by: Inochi Amaoto >> Acked-by: Conor Dooley >> --- >> .../devicetree/bindings/riscv/extensions.yaml | 45 = +++++++++++++++++++ >> 1 file changed, 45 insertions(+) >>=20 >> diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml = b/Documentation/devicetree/bindings/riscv/extensions.yaml >> index 9c7dd7e75e0c..0a1f1a76d129 100644 >> --- a/Documentation/devicetree/bindings/riscv/extensions.yaml >> +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml >> @@ -329,6 +329,12 @@ properties: >> instructions, as ratified in commit 056b6ff ("Zfa is = ratified") of >> riscv-isa-manual. >>=20 >> + - const: zfbfmin >> + description: >> + The standard Zfbfmin extension which provides minimal = support for >> + 16-bit half-precision brain floating-point instructions, = as ratified >=20 > I think you mean "binary" here and in the entries below, not = "brain=E2=80=9D. No, that=E2=80=99s Zfhmin / FP16 / binary16, not Zfbfmin / BF16 / = BFloat16? The B is for Brain as it came out of Google Brain. https://en.wikipedia.org/wiki/Bfloat16_floating-point_format Jess