From patchwork Tue Jan 12 23:12:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 361341 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D55BCC433E0 for ; Tue, 12 Jan 2021 23:13:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 83E9123130 for ; Tue, 12 Jan 2021 23:13:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726698AbhALXNV (ORCPT ); Tue, 12 Jan 2021 18:13:21 -0500 Received: from relay02.th.seeweb.it ([5.144.164.163]:38721 "EHLO relay02.th.seeweb.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726475AbhALXNU (ORCPT ); Tue, 12 Jan 2021 18:13:20 -0500 Received: from IcarusMOD.eternityproject.eu (unknown [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by m-r1.th.seeweb.it (Postfix) with ESMTPSA id 133FB1F698; Wed, 13 Jan 2021 00:12:38 +0100 (CET) From: AngeloGioacchino Del Regno To: linus.walleij@linaro.org Cc: linux-kernel@vger.kernel.org, konrad.dybcio@somainline.org, marijn.suijten@somainline.org, martin.botka@somainline.org, phone-devel@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, robh+dt@kernel.org, AngeloGioacchino Del Regno Subject: [PATCH v3 2/2] dt-bindings: pinctrl: Add bindings for Awinic AW9523/AW9523B Date: Wed, 13 Jan 2021 00:12:36 +0100 Message-Id: <20210112231236.585632-2-angelogioacchino.delregno@somainline.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210112231236.585632-1-angelogioacchino.delregno@somainline.org> References: <20210112231236.585632-1-angelogioacchino.delregno@somainline.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add bindings for the Awinic AW9523/AW9523B I2C GPIO Expander driver. Signed-off-by: AngeloGioacchino Del Regno --- .../pinctrl/awinic,aw9523-pinctrl.yaml | 115 ++++++++++++++++++ 1 file changed, 115 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/awinic,aw9523-pinctrl.yaml diff --git a/Documentation/devicetree/bindings/pinctrl/awinic,aw9523-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/awinic,aw9523-pinctrl.yaml new file mode 100644 index 000000000000..3c14e7f55726 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/awinic,aw9523-pinctrl.yaml @@ -0,0 +1,115 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/awinic,aw9523-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Awinic AW9523/AW9523B I2C GPIO Expander + +maintainers: + - AngeloGioacchino Del Regno + +description: | + The Awinic AW9523/AW9523B I2C GPIO Expander featuring 16 multi-function + I/O, 256 steps PWM mode and interrupt support. + +properties: + compatible: + const: awinic,aw9523-pinctrl + + reg: + maxItems: 1 + + '#gpio-cells': + description: | + Specifying the pin number and flags, as defined in + include/dt-bindings/gpio/gpio.h + const: 2 + + gpio-controller: true + + gpio-ranges: + maxItems: 1 + + interrupt-controller: true + + interrupts: + maxItems: 1 + description: Specifies the INTN pin IRQ. + + '#interrupt-cells': + description: + Specifies the PIN numbers and Flags, as defined in defined in + include/dt-bindings/interrupt-controller/irq.h + const: 2 + +#PIN CONFIGURATION NODES +patternProperties: + '^.*$': + if: + type: object + $ref: "/schemas/pinctrl/pincfg-node.yaml" + then: + properties: + pins: + description: + List of gpio pins affected by the properties specified in + this subnode. + items: + pattern: "^gpio([0-9]|1[0-5])$" + minItems: 1 + maxItems: 16 + + function: + description: + Specify the alternative function to be configured for the + specified pins. + + enum: [ gpio, pwm ] + + bias-disable: true + bias-pull-down: true + bias-pull-up: true + drive-open-drain: true + drive-push-pull: true + input-enable: true + output-high: true + output-low: true + + required: + - pins + - function + + additionalProperties: false + +required: + - compatible + - reg + - gpio-controller + - '#gpio-cells' + - gpio-ranges + +additionalProperties: false + +examples: + - | + #include + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + aw9523: gpio-expander@58 { + compatible = "awinic,aw9523-pinctrl"; + reg = <0x58>; + interrupt-parent = <&tlmm>; + interrupts = <50 IRQ_TYPE_EDGE_FALLING>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&tlmm 0 0 16>; + interrupt-controller; + #interrupt-cells = <2>; + reset-gpios = <&tlmm 51 GPIO_ACTIVE_HIGH>; + }; + };