{"id":2223124,"url":"http://patchwork.ozlabs.org/api/patches/2223124/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-gpio/patch/20260414-axiado-ax3000-sgpio-controller-v1-1-b5c7e4c2e69b@axiado.com/","project":{"id":42,"url":"http://patchwork.ozlabs.org/api/projects/42/?format=json","name":"Linux GPIO development","link_name":"linux-gpio","list_id":"linux-gpio.vger.kernel.org","list_email":"linux-gpio@vger.kernel.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260414-axiado-ax3000-sgpio-controller-v1-1-b5c7e4c2e69b@axiado.com>","list_archive_url":null,"date":"2026-04-14T13:48:32","name":"[1/3] dt-bindings: gpio: add Axiado SGPIO controller","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"5712a6628eb7f3197d1373819d01430449041b00","submitter":{"id":93145,"url":"http://patchwork.ozlabs.org/api/people/93145/?format=json","name":"Petar Stepanovic","email":"pstepanovic@axiado.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-gpio/patch/20260414-axiado-ax3000-sgpio-controller-v1-1-b5c7e4c2e69b@axiado.com/mbox/","series":[{"id":499848,"url":"http://patchwork.ozlabs.org/api/series/499848/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-gpio/list/?series=499848","date":"2026-04-14T13:48:34","name":"Subject: [PATCH 0/3] gpio: add support for Axiado SGPIO controller","version":1,"mbox":"http://patchwork.ozlabs.org/series/499848/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2223124/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2223124/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-gpio@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=axiado.com header.i=@axiado.com header.a=rsa-sha256\n header.s=selector1 header.b=pl6kX1PA;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; 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It supports configurable data direction and\ninterrupt handling.\n\nThe binding describes the properties required to instantiate\nthe controller and register it as a GPIO provider.\n\nSigned-off-by: Petar Stepanovic \n---\n .../devicetree/bindings/gpio/axiado,sgpio.yaml | 98 ++++++++++++++++++++++\n 1 file changed, 98 insertions(+)","diff":"diff --git a/Documentation/devicetree/bindings/gpio/axiado,sgpio.yaml b/Documentation/devicetree/bindings/gpio/axiado,sgpio.yaml\nnew file mode 100644\nindex 000000000000..1533446d69f1\n--- /dev/null\n+++ b/Documentation/devicetree/bindings/gpio/axiado,sgpio.yaml\n@@ -0,0 +1,98 @@\n+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)\n+%YAML 1.2\n+---\n+$id: http://devicetree.org/schemas/gpio/axiado,sgpio.yaml#\n+$schema: http://devicetree.org/meta-schemas/core.yaml#\n+\n+title: Axiado SGPIO Controller\n+\n+maintainers:\n+ - Petar Stepanovic \n+ - SriNavmani A \n+ - Prasad Bolisetty \n+\n+description: |\n+ The SGPIO controller provides a serialized interface for controlling\n+ multiple GPIO signals over a limited number of physical lines.\n+ It supports configurable data direction and interrupt handling.\n+\n+properties:\n+ compatible:\n+ enum:\n+ - axiado,sgpio\n+\n+ reg:\n+ maxItems: 1\n+\n+ gpio-controller: true\n+\n+ '#gpio-cells':\n+ const: 2\n+\n+ interrupts:\n+ maxItems: 1\n+\n+ interrupt-controller: true\n+\n+ '#interrupt-cells':\n+ const: 2\n+\n+ design-variant:\n+ description: SGPIO design variant size in bits (e.g. 128 or 512).\n+ enum: [128, 512]\n+ $ref: /schemas/types.yaml#/definitions/uint32\n+\n+ ngpios:\n+ description: The number of gpios this controller has.\n+ $ref: /schemas/types.yaml#/definitions/uint32\n+\n+ bus-frequency:\n+ description: The SGPIO shift clock frequency in Hz.\n+ $ref: /schemas/types.yaml#/definitions/uint32\n+\n+ apb-frequency:\n+ description: The APB bus frequency in Hz.\n+ $ref: /schemas/types.yaml#/definitions/uint32\n+\n+ dout-init:\n+ description: Initial values for the dout registers.\n+ $ref: /schemas/types.yaml#/definitions/uint32-array\n+ minItems: 4\n+ maxItems: 4\n+\n+required:\n+ - compatible\n+ - reg\n+ - gpio-controller\n+ - '#gpio-cells'\n+ - interrupts\n+ - interrupt-controller\n+ - '#interrupt-cells'\n+ - design-variant\n+ - ngpios\n+ - bus-frequency\n+ - apb-frequency\n+ - dout-init\n+\n+additionalProperties: false\n+\n+examples:\n+ - |\n+ #include \n+\n+ sgpio@a000 {\n+ compatible = \"axiado,sgpio\";\n+ reg = <0xa000 0x800>;\n+ gpio-controller;\n+ #gpio-cells = <2>;\n+\n+ interrupt-controller;\n+ #interrupt-cells = <2>;\n+ interrupt-parent = <&gpio6>;\n+ interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;\n+ design-variant = <128>;\n+ ngpios = <128>;\n+ bus-frequency = <1000000>;\n+ apb-frequency = <100000000>;\n+ dout-init = <0x00300000 0x00006371 0x00003800 0x00000000>;\n+ };\n","prefixes":["1/3"]}