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Mon, 09 Mar 2026 01:23:34 -0700 (PDT) Received: from fedora ([2401:4900:1f32:2ea1:a1a7:f2aa:545b:3c1e]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-829a4657445sm9804383b3a.17.2026.03.09.01.23.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Mar 2026 01:23:34 -0700 (PDT) From: Shi Hao To: linusw@kernel.org Cc: brgl@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, i.shihao.999@gmail.com Subject: [PATCH] dt-bindings: gpio: convert Cavium ThunderX GPIO binding to YAML Date: Mon, 9 Mar 2026 13:52:52 +0530 Message-ID: <20260309082252.34384-1-i.shihao.999@gmail.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Convert Cavium ThunderX GPIO text based device tree node to YAML schema format, ensuring validation and consistency across Device Tree. Signed-off-by: Shi Hao --- .../gpio/cavium-thunder-8890-gpio.yaml | 52 +++++++++++++++++++ .../bindings/gpio/gpio-thunderx.txt | 27 ---------- 2 files changed, 52 insertions(+), 27 deletions(-) create mode 100644 Documentation/devicetree/bindings/gpio/cavium-thunder-8890-gpio.yaml delete mode 100644 Documentation/devicetree/bindings/gpio/gpio-thunderx.txt diff --git a/Documentation/devicetree/bindings/gpio/cavium-thunder-8890-gpio.yaml b/Documentation/devicetree/bindings/gpio/cavium-thunder-8890-gpio.yaml new file mode 100644 index 000000000000..16d7c347f913 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/cavium-thunder-8890-gpio.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/cavium-thunder-8890-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cavium ThunderX GPIO controller + +description: | + Device Tree binding for the GPIO controller found in + Cavium ThunderX and OCTEON-TX SoCs. + +maintainers: + - Linus Walleij + - Rob Herring + +properties: + compatible: + enum: + - cavium,thunder-8890-gpio + + reg: + maxItems: 1 + + gpio-controller: true + + "#gpio-cells": + const: 2 + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + +required: + - compatible + - reg + - gpio-controller + - '#gpio-cells' + +additionalProperties: false + +examples: + - | + gpio_6_0: gpio@6,0 { + compatible = "cavium,thunder-8890-gpio"; + reg = <0x3000 0x100>; /* DEVFN = 0x30 (6:0) */ + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; diff --git a/Documentation/devicetree/bindings/gpio/gpio-thunderx.txt b/Documentation/devicetree/bindings/gpio/gpio-thunderx.txt deleted file mode 100644 index 3f883ae29d11..000000000000 --- a/Documentation/devicetree/bindings/gpio/gpio-thunderx.txt +++ /dev/null @@ -1,27 +0,0 @@ -Cavium ThunderX/OCTEON-TX GPIO controller bindings - -Required Properties: -- reg: The controller bus address. -- gpio-controller: Marks the device node as a GPIO controller. -- #gpio-cells: Must be 2. - - First cell is the GPIO pin number relative to the controller. - - Second cell is a standard generic flag bitfield as described in gpio.txt. - -Optional Properties: -- compatible: "cavium,thunder-8890-gpio", unused as PCI driver binding is used. -- interrupt-controller: Marks the device node as an interrupt controller. -- #interrupt-cells: Must be present and have value of 2 if - "interrupt-controller" is present. - - First cell is the GPIO pin number relative to the controller. - - Second cell is triggering flags as defined in interrupts.txt. - -Example: - -gpio_6_0: gpio@6,0 { - compatible = "cavium,thunder-8890-gpio"; - reg = <0x3000 0 0 0 0>; /* DEVFN = 0x30 (6:0) */ - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; -}; -- 2.53.0