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[94.175.9.129]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-42fb7118267sm16191030f8f.27.2025.12.14.10.02.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 14 Dec 2025 10:02:13 -0800 (PST) From: Stafford Horne To: LKML Cc: Linux OpenRISC , Stafford Horne , Linus Walleij , Bartosz Golaszewski , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH 1/5] dt-bindings: Add compatible string opencores,gpio to gpio-mmio Date: Sun, 14 Dec 2025 18:01:41 +0000 Message-ID: <20251214180158.3955285-2-shorne@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251214180158.3955285-1-shorne@gmail.com> References: <20251214180158.3955285-1-shorne@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In FPGA Development boards with GPIOs we use the opencores gpio verilog rtl. This is compatible with the gpio-mmio. Add the compatible string to allow as below. Example: gpio0: gpio@91000000 { compatible =3D "opencores,gpio", "brcm,bcm6345-gpio"; reg =3D <0x91000000 0x1>, <0x91000001 0x1>; reg-names =3D "dat", "dirout"; gpio-controller; #gpio-cells =3D <2>; status =3D "okay"; }; Link: https://opencores.org/projects/gpio Signed-off-by: Stafford Horne --- Documentation/devicetree/bindings/gpio/gpio-mmio.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/gpio/gpio-mmio.yaml b/Docume= ntation/devicetree/bindings/gpio/gpio-mmio.yaml index b4d55bf6a285..0490580df19e 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-mmio.yaml +++ b/Documentation/devicetree/bindings/gpio/gpio-mmio.yaml @@ -23,6 +23,7 @@ properties: - ni,169445-nand-gpio - wd,mbl-gpio # Western Digital MyBook Live memory-mapped GPIO contr= oller - intel,ixp4xx-expansion-bus-mmio-gpio + - opencores,gpio =20 big-endian: true =20 --=20 2.51.0