From patchwork Tue May 21 01:24:46 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacky Huang X-Patchwork-Id: 13668772 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DDAE5C25B77 for ; Tue, 21 May 2024 01:25:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=FeIo4h4zCuqFtkR48g9lIKmFIEXZnQJiUHvqqaNShJQ=; b=jbQ/v2/UMM11GW 42pq1Bf9d4ugL0idmEn8r2sBPLcNDj3SyU95NhvekwU+q78WUGE8sjOYayVmX1ZTmxbZBlKM9yTCz lWLgnPZ/833ycCGJkpmIxkFIC0nIXC6/49e0R/K6D6602wWPPILd4n2JaJuRfiagg+qYw0vZjQGgt xGyh0822N36enW0w9GWzie6/FVgo4fA1fVvjjmMExXv11nCH/d7QjHMkkGCg+XHVLQa3k65k9uRHr ArdbIjIy2dhxcE8tzzpNMbCsZG36569S/jfIGyFkb3JEHruevC1vRQ9adxqvdDI/JkIPyidzfiHeR JB2bGIDxFo/2Orl0sTAA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s9EFZ-0000000FytH-2WjM; Tue, 21 May 2024 01:25:09 +0000 Received: from mail-oo1-xc2a.google.com ([2607:f8b0:4864:20::c2a]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1s9EFS-0000000FypI-264Y for linux-arm-kernel@lists.infradead.org; Tue, 21 May 2024 01:25:04 +0000 Received: by mail-oo1-xc2a.google.com with SMTP id 006d021491bc7-5b278cdfad6so1342965eaf.3 for ; Mon, 20 May 2024 18:25:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1716254700; x=1716859500; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=VdRAuvJPzDOFmcmDaL4P+X32ok4kuqJZRpeCq1BZFBg=; b=G5dE5G8gp8hoh8mhsGP7K9jor6pUhsTH6wlmFam14kELtXPrDOn5EfVC/nVysRPwIf 2FHjOzTFWU7rRFD+Lw3T+bq3khQoSSjKGoq80AgLVNcId5HGrcf/QMxoFsom1/p3YY8R lqU/2gqLEvdD1I10XX7Jq6sGbIGwZG+j78TaIjdyoXwsMeBoHX2D5j4xHmfHSpw467i9 9zXTJfkzfN3j5oOp8XoqW5DVvOerYiWKFKS1WuAuwuU4tVqDzx0aMz2sCU1/ZQP+Vi9N fn1HD+z255Vp4/7xvhM5zAg8/nr0u84So6SL7KC6DdgdzIRDw3U7uE6aP9i3MxRwN8j1 FNTA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1716254700; x=1716859500; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=VdRAuvJPzDOFmcmDaL4P+X32ok4kuqJZRpeCq1BZFBg=; b=CRlV7OeZrGSL+KfiyDSx68p8xv2oQkzpxbSXH+jFOLa5TI7I3x2CS+vvTuZ3tT36Rs d+UYEDo01HU9MdQlhydKGWDbYlDsLMfChAAstUYNtdiO9A7xAa0+z6kFcQehGFoIuMrz 6xX686gz78sj62kOZy/K2L+2+re1sFLW0LgteCInbMN3SgMKQb6SWEl5/ujtAI/yhzfM y68MYJJg2wCafMiZmGmvWW6Xjc5a/FGi3EsDn8Ezkmu8m7lONA9Zf607Bj4De4/QVc1m eylUWs2ghxjMwCv3lVaZuxJPJUF/uGLN5JN2kZHTeKLUpdVgSNbGrpNwtu8ZiIqN3se6 p7bQ== X-Gm-Message-State: AOJu0YxWv9Q+O5HQEUfgpv2HdZVbgGfYtlmfOi4YVoOEDqwtEspv7Qa4 FK9uxAOzKrSGwA2RQXVJbRoBqKdPsZzKqPjnh5iPsvb4pBVRG1CJ X-Google-Smtp-Source: AGHT+IHPcfzJcWQiq1E+secdKFkWNB2WjHG3/RItAnrxWXGy89HFnHGzso1KiNeMDhjg0mQNr8qaGA== X-Received: by 2002:a05:6358:431c:b0:17e:8e7f:59f9 with SMTP id e5c5f4694b2df-193bcfc5b63mr3300298055d.26.1716254699701; Mon, 20 May 2024 18:24:59 -0700 (PDT) Received: from a28aa0606c51.. (60-250-192-107.hinet-ip.hinet.net. [60.250.192.107]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-65e149dd925sm6477563a12.58.2024.05.20.18.24.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 May 2024 18:24:59 -0700 (PDT) From: Jacky Huang To: linus.walleij@linaro.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, p.zabel@pengutronix.de Cc: linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ychuang3@nuvoton.com, schung@nuvoton.com, Krzysztof Kozlowski Subject: [PATCH v9 2/3] dt-bindings: pinctrl: Document nuvoton ma35d1 pin control Date: Tue, 21 May 2024 01:24:46 +0000 Message-Id: <20240521012447.42211-3-ychuang570808@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240521012447.42211-1-ychuang570808@gmail.com> References: <20240521012447.42211-1-ychuang570808@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240520_182502_648530_150C5516 X-CRM114-Status: GOOD ( 15.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Jacky Huang Add documentation to describe nuvoton ma35d1 pin control and GPIO. Signed-off-by: Jacky Huang Reviewed-by: Krzysztof Kozlowski --- .../pinctrl/nuvoton,ma35d1-pinctrl.yaml | 178 ++++++++++++++++++ 1 file changed, 178 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/nuvoton,ma35d1-pinctrl.yaml diff --git a/Documentation/devicetree/bindings/pinctrl/nuvoton,ma35d1-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/nuvoton,ma35d1-pinctrl.yaml new file mode 100644 index 000000000000..763a49bd07dc --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/nuvoton,ma35d1-pinctrl.yaml @@ -0,0 +1,178 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/nuvoton,ma35d1-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton MA35D1 pin control and GPIO + +maintainers: + - Shan-Chun Hung + - Jacky Huang + +allOf: + - $ref: pinctrl.yaml# + +properties: + compatible: + enum: + - nuvoton,ma35d1-pinctrl + + reg: + maxItems: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 1 + + nuvoton,sys: + $ref: /schemas/types.yaml#/definitions/phandle + description: + phandle of the system-management node. + + ranges: true + +patternProperties: + "^gpio@[0-9a-f]+$": + type: object + properties: + gpio-controller: true + + '#gpio-cells': + const: 2 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + interrupt-controller: true + + '#interrupt-cells': + const: 2 + + interrupts: + description: + The interrupt outputs to sysirq. + maxItems: 1 + + required: + - gpio-controller + - '#gpio-cells' + - reg + - clocks + - interrupt-controller + - '#interrupt-cells' + - interrupts + + additionalProperties: false + + "-grp$": + type: object + description: + Pinctrl node's client devices use subnodes for desired pin configuration. + Client device subnodes use below standard properties. + patternProperties: + "-pins$": + type: object + description: + A pinctrl node should contain at least one subnodes representing the + pinctrl groups available on the machine. Each subnode will list the + pins it needs, and how they should be configured, with regard to muxer + configuration, pullups, drive strength, input enable/disable and input + schmitt. + $ref: /schemas/pinctrl/pincfg-node.yaml + + properties: + nuvoton,pins: + description: + Each entry consists of 4 parameters and represents the mux and config + setting for one pin. + $ref: /schemas/types.yaml#/definitions/uint32-matrix + minItems: 1 + items: + items: + - minimum: 0 + maximum: 13 + description: + Pin bank. + - minimum: 0 + maximum: 15 + description: + Pin bank index. + - minimum: 0 + maximum: 15 + description: + Mux 0 means GPIO and mux 1 to 15 means the specific device function. + + power-source: + description: | + Valid arguments are described as below: + 0: power supply of 1.8V + 1: power supply of 3.3V + enum: [0, 1] + + drive-strength-microamp: + oneOf: + - enum: [ 2900, 4400, 5800, 7300, 8600, 10100, 11500, 13000 ] + description: 1.8V I/O driving strength + - enum: [ 17100, 25600, 34100, 42800, 48000, 56000, 77000, 82000 ] + description: 3.3V I/O driving strength + + bias-disable: true + + bias-pull-up: true + + bias-pull-down: true + + input-schmitt-disable: true + + additionalProperties: false + + additionalProperties: false + +required: + - compatible + - reg + - nuvoton,sys + +additionalProperties: false + +examples: + - | + #include + #include + #include + + pinctrl@40040000 { + compatible = "nuvoton,ma35d1-pinctrl"; + reg = <0x40040000 0xc00>; + #address-cells = <1>; + #size-cells = <1>; + nuvoton,sys = <&sys>; + ranges = <0x0 0x40040000 0x400>; + + gpio@0 { + reg = <0x0 0x40>; + interrupts = ; + clocks = <&clk GPA_GATE>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + uart-grp { + uart11-pins { + nuvoton,pins = <11 0 2>, + <11 1 2>, + <11 2 2>, + <11 3 2>; + power-source = <1>; + bias-disable; + }; + }; + };