From patchwork Tue Aug 16 05:49:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Patrick Rudolph X-Patchwork-Id: 598316 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F28CBC2BB41 for ; Tue, 16 Aug 2022 08:31:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233119AbiHPIbv (ORCPT ); Tue, 16 Aug 2022 04:31:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51568 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233500AbiHPIbF (ORCPT ); Tue, 16 Aug 2022 04:31:05 -0400 Received: from mail-ed1-x530.google.com (mail-ed1-x530.google.com [IPv6:2a00:1450:4864:20::530]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 61714130699 for ; Mon, 15 Aug 2022 22:50:00 -0700 (PDT) Received: by mail-ed1-x530.google.com with SMTP id x21so12130850edd.3 for ; Mon, 15 Aug 2022 22:50:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=9elements.com; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=trB9S8T+KgdYhPfdv0HfyIY4/SfNn10XdtOWdUC1yDs=; b=UAlp0Irs2g7qrsPqTelRHKeEmnyfl71dz1+p5NexkBBOBX2lX7ERloR80cU+Obz0r2 0Fn6buvZZROE6Pp8NEh4b3NiF0vQhGWloZGyINKtk+tEBJmi+8l1ifOVQVMDLt/b8jnn rqhGgKts5Ze5i/e/wAHZ4mamcZzcnLGl8B0op1dWw3PYx944dL6/YCg0Btv1HkmJst1H Iisc0cdWCXulxQNXeFwFKbiHSPR5BTi+6WID35lDl2iz+S77tMjLcOBgfGzT4Xsej8in Go6nLNMa2m0w1zjg3EsCPtvA6RenqqfJZaFhN5BXdLuqEgkeZ0apyPge3HRfsdYATshm 2JQw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=trB9S8T+KgdYhPfdv0HfyIY4/SfNn10XdtOWdUC1yDs=; b=rCNci+xd71LS4HGbdGsWGEXGrv9wBoIO0kP0JNQu7tUTg+x+2IXmywrE2q+r1Ngnne czHvKdIxjo7IvG2uP8p/AOnOFKTBhvQJECI9V6ayL1smdWHeXTPNGBWtnrgSdUlLg/yH eU6Mfcs94xPFaL0umYSZqhbb3iqf9LquHILFZkzbt7cLJQgnDK8ssrNV3aAH9ljpnc1x bulQVXO3td+QMPzqM2uRAeGm0W5Ya4qKNRXrGjvvhPrAcYyj/axvPqpPCyNkMWcb5NT3 ENO2bopXqKdzcUBf2ljuTKNryquyG26MJLpW4YS00WxgRmqqvsT1GYowuYMntk6k8bk+ Jojg== X-Gm-Message-State: ACgBeo0Wf6tgMeSpxCYYjTrfeZdGuK39mzzBndpuCHQjXTbOwijQaCSI zn3oUCS4eQiBv/AEt0cxlFHBSw== X-Google-Smtp-Source: AA6agR7NS6yUIm7CAoXHFJTb+skSCz38PsVUZjCN87A1vUJVeoUMe8EHGdUJ6j4dkwQOG/sOl54vRQ== X-Received: by 2002:a50:fd83:0:b0:43c:bca0:bdd1 with SMTP id o3-20020a50fd83000000b0043cbca0bdd1mr17150256edt.360.1660628998932; Mon, 15 Aug 2022 22:49:58 -0700 (PDT) Received: from fedora.sec.9e.network (ip-088-153-019-247.um27.pools.vodafone-ip.de. [88.153.19.247]) by smtp.gmail.com with ESMTPSA id d20-20020aa7d5d4000000b0043c92c44c53sm7797054eds.93.2022.08.15.22.49.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Aug 2022 22:49:57 -0700 (PDT) From: Patrick Rudolph To: Linus Walleij , Patrick Rudolph Cc: Rob Herring , Krzysztof Kozlowski , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 1/2] dt-binding: pinctrl: Add cypress,cy8c95x0 Date: Tue, 16 Aug 2022 07:49:14 +0200 Message-Id: <20220816054917.7893-2-patrick.rudolph@9elements.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220816054917.7893-1-patrick.rudolph@9elements.com> References: <20220816054917.7893-1-patrick.rudolph@9elements.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Added device tree binding documentation for Cypress CY8C95x0 I2C pin-controller. Signed-off-by: Patrick Rudolph --- .../bindings/pinctrl/cypress,cy8c95x0.yaml | 134 ++++++++++++++++++ 1 file changed, 134 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/cypress,cy8c95x0.yaml diff --git a/Documentation/devicetree/bindings/pinctrl/cypress,cy8c95x0.yaml b/Documentation/devicetree/bindings/pinctrl/cypress,cy8c95x0.yaml new file mode 100644 index 000000000000..915cbbcc3555 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/cypress,cy8c95x0.yaml @@ -0,0 +1,134 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/cypress,cy8c95x0.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cypress CY8C95X0 I2C GPIO expander + +maintainers: + - Patrick Rudolph + +description: | + This supports the 20/40/60 pin Cypress CYC95x0 GPIO I2C expanders. + Pin function configuration is performed on a per-pin basis. + +properties: + compatible: + enum: + - cypress,cy8c9520 + - cypress,cy8c9540 + - cypress,cy8c9560 + + reg: + maxItems: 1 + + gpio-controller: true + + '#gpio-cells': + description: + The first cell is the GPIO number and the second cell specifies GPIO + flags, as defined in . + const: 2 + + interrupts: + maxItems: 1 + + interrupt-controller: true + + '#interrupt-cells': + const: 2 + + gpio-line-names: true + + gpio-ranges: + maxItems: 1 + + gpio-reserved-ranges: + maxItems: 1 + + vdd-supply: + description: + Optional power supply. + +patternProperties: + '-pins$': + type: object + description: + Pinctrl node's client devices use subnodes for desired pin configuration. + Client device subnodes use below standard properties. + $ref: pincfg-node.yaml# + + properties: + pins: + description: + List of gpio pins affected by the properties specified in this + subnode. + items: + pattern: '^gp([0-7][0-7])$' + minItems: 1 + maxItems: 60 + + function: + description: + Specify the alternative function to be configured for the specified + pins. + enum: [ gpio, pwm ] + + bias-pull-down: true + + bias-pull-up: true + + bias-disable: true + + output-high: true + + output-low: true + + drive-push-pull: true + + drive-open-drain: true + + drive-open-source: true + + required: + - pins + - function + + additionalProperties: false + +required: + - compatible + - reg + - interrupts + - interrupt-controller + - '#interrupt-cells' + - gpio-controller + - '#gpio-cells' + +additionalProperties: false + +allOf: + - $ref: "pinctrl.yaml#" + +examples: + - | + #include + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pinctrl@20 { + compatible = "cypress,cy8c9520"; + reg = <0x20>; + gpio-controller; + #gpio-cells = <2>; + #interrupt-cells = <2>; + interrupts = ; + interrupt-controller; + vdd-supply = <&p3v3>; + gpio-reserved-ranges = <5 1>; + }; + };