From mboxrd@z Thu Jan 1 00:00:00 1970 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 628B0C43217 for ; Fri, 18 Nov 2022 01:11:38 +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=uzHburz0utDUbZ5ZLrrho6LERLHLR7C2ul6TVKIgr8I=; b=rLXFSSC+RO/0X4 R2SEDkI6ixJSIDSxjXmzFWzRe9Y5G0qgm17RsAk0w9C8h+iv7yRXsVMHcknSiVXD06hbGIHSnwerp JMNqGkFAzeOc2W5zhjqW0SbhsfT5bdkZettPekD/Xn7W4G1aJ3mnH0UJelE8hUrg3CgH1H6R72mzh sPmeGGchVl9Z/yS8Fg8LXC5lgG7iaUkBGdxz43A0TTKDmo1PyyNJN9zfxF7EAKbKLeNwbD7+HpSjv bYAqZ/usoTKlhEn7LCzK/59FE7UBQ07dWJvULGiFHHFGJos8OB3DwHAs4kUQZozdmoHn0QhHja2MK xMfB425twm9aN2mgAc1w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ovpuj-0018qT-RS; Fri, 18 Nov 2022 01:11:29 +0000 Received: from ex01.ufhost.com ([61.152.239.75]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ovpud-0018oZ-An for linux-riscv@lists.infradead.org; Fri, 18 Nov 2022 01:11:26 +0000 Received: from EXMBX165.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX165", Issuer "EXMBX165" (not verified)) by ex01.ufhost.com (Postfix) with ESMTP id 84EFA24E1F5; Fri, 18 Nov 2022 09:11:12 +0800 (CST) Received: from EXMBX072.cuchost.com (172.16.6.82) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 18 Nov 2022 09:11:12 +0800 Received: from ubuntu.localdomain (183.27.96.116) by EXMBX072.cuchost.com (172.16.6.82) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 18 Nov 2022 09:11:11 +0800 From: Hal Feng To: , , CC: Conor Dooley , Palmer Dabbelt , "Rob Herring" , Krzysztof Kozlowski , Linus Walleij , Emil Renner Berthing , Hal Feng , Jianlong Huang , Subject: [PATCH v2 2/5] dt-bindings: pinctrl: Add StarFive JH7110 sys pinctrl Date: Fri, 18 Nov 2022 09:11:05 +0800 Message-ID: <20221118011108.70715-3-hal.feng@starfivetech.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221118011108.70715-1-hal.feng@starfivetech.com> References: <20221118011108.70715-1-hal.feng@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [183.27.96.116] X-ClientProxiedBy: EXCAS064.cuchost.com (172.16.6.24) To EXMBX072.cuchost.com (172.16.6.82) X-YovoleRuleAgent: yovoleflag X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221117_171123_765889_A105BFD3 X-CRM114-Status: GOOD ( 14.86 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Jianlong Huang Add pinctrl bindings for StarFive JH7110 SoC sys pinctrl controller. Signed-off-by: Jianlong Huang Signed-off-by: Hal Feng --- .../pinctrl/starfive,jh7110-sys-pinctrl.yaml | 165 ++++++++++++++++++ 1 file changed, 165 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/starfive,jh7110-sys-pinctrl.yaml diff --git a/Documentation/devicetree/bindings/pinctrl/starfive,jh7110-sys-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/starfive,jh7110-sys-pinctrl.yaml new file mode 100644 index 000000000000..79623f884a9c --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/starfive,jh7110-sys-pinctrl.yaml @@ -0,0 +1,165 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/starfive,jh7110-sys-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH7110 Sys Pin Controller + +description: | + Bindings for the JH7110 RISC-V SoC from StarFive Technology Ltd. + + Out of the SoC's many pins only the ones named PAD_GPIO0 to PAD_GPIO63 + can be multiplexed and have configurable bias, drive strength, + schmitt trigger etc. + Some peripherals have their I/O go through the 64 "GPIOs". This also + includes a number of other UARTs, I2Cs, SPIs, PWMs etc. + All these peripherals are connected to all 64 GPIOs such that + any GPIO can be set up to be controlled by any of the peripherals. + +maintainers: + - Jianlong Huang + +properties: + compatible: + const: starfive,jh7110-sys-pinctrl + + reg: + maxItems: 1 + + reg-names: + items: + - const: control + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + gpio-controller: true + + "#gpio-cells": + const: 2 + + interrupts: + maxItems: 1 + description: The GPIO parent interrupt. + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + +required: + - compatible + - reg + - reg-names + - clocks + - gpio-controller + - "#gpio-cells" + - interrupts + - interrupt-controller + - "#interrupt-cells" + +patternProperties: + '-[0-9]+$': + type: object + patternProperties: + '-pins$': + type: object + description: | + A pinctrl node should contain at least one subnode 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, system signal configuration, pin groups for + vin/vout module, pin voltage, mux functions for output, mux functions + for output enable, mux functions for input. + + properties: + pinmux: + description: | + The list of GPIOs and their mux settings that properties in the + node apply to. This should be set using the GPIOMUX macro. + $ref: "/schemas/pinctrl/pinmux-node.yaml#/properties/pinmux" + + bias-disable: true + + bias-pull-up: + type: boolean + + bias-pull-down: + type: boolean + + drive-strength: + enum: [ 2, 4, 8, 12 ] + + input-enable: true + + input-disable: true + + input-schmitt-enable: true + + input-schmitt-disable: true + + slew-rate: + maximum: 1 + + additionalProperties: false + + additionalProperties: false + +additionalProperties: false + +examples: + - | + #include + #include + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + gpio: gpio@13040000 { + compatible = "starfive,jh7110-sys-pinctrl"; + reg = <0x0 0x13040000 0x0 0x10000>; + reg-names = "control"; + clocks = <&syscrg_clk JH7110_SYSCLK_IOMUX>; + resets = <&syscrg_rst JH7110_SYSRST_IOMUX>; + interrupts = <86>; + interrupt-controller; + #interrupt-cells = <2>; + #gpio-cells = <2>; + gpio-controller; + status = "okay"; + + uart0_pins: uart0-0 { + tx-pins { + pinmux = ; + bias-disable; + drive-strength = <12>; + input-disable; + input-schmitt-disable; + slew-rate = <0>; + }; + + rx-pins { + pinmux = ; + bias-pull-up; + drive-strength = <2>; + input-enable; + input-schmitt-enable; + slew-rate = <0>; + }; + }; + }; + + uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins>; + status = "okay"; + }; + }; + +... -- 2.38.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv