From patchwork Sat May 8 14:19:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Kettenis X-Patchwork-Id: 432911 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=-21.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 14C28C433B4 for ; Sat, 8 May 2021 14:27:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E61FD61426 for ; Sat, 8 May 2021 14:27:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229645AbhEHO2l (ORCPT ); Sat, 8 May 2021 10:28:41 -0400 Received: from lb3-smtp-cloud7.xs4all.net ([194.109.24.31]:49577 "EHLO lb3-smtp-cloud7.xs4all.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229500AbhEHO2l (ORCPT ); Sat, 8 May 2021 10:28:41 -0400 X-Greylist: delayed 428 seconds by postgrey-1.27 at vger.kernel.org; Sat, 08 May 2021 10:28:35 EDT Received: from copland.sibelius.xs4all.nl ([83.163.83.176]) by smtp-cloud7.xs4all.net with ESMTP id fNoalDe3DyEWwfNomlAKKF; Sat, 08 May 2021 16:20:33 +0200 From: Mark Kettenis To: devicetree@vger.kernel.org Cc: Mark Kettenis , Hector Martin , Linus Walleij , Rob Herring , linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] dt-bindings: pinctrl: Add DT bindings for apple, pinctrl Date: Sat, 8 May 2021 16:19:55 +0200 Message-Id: <20210508142000.85116-2-kettenis@openbsd.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210508142000.85116-1-kettenis@openbsd.org> References: <20210508142000.85116-1-kettenis@openbsd.org> MIME-Version: 1.0 X-CMAE-Envelope: MS4xfJbBo0WR8jeK3a86fYGKdaBC75+g5JT/G3Gl4amapTK5Rr69w2wT+p6ejBp4gUyFHR3/l1QzJvmajoCcEyLsti4apB2M7k5sE7uzuy4oT9ooKUTBkg6I y8HeKLApG382pioLX6mQSGlaKhPxOqZbMHDRIaqklb7tpwvqF9blqa1VPH71rB3XpoIfEk8lNhT94vTIwmHCBcc4fFlVjPcqOJeH5SWNDQcbGIzFwHitXMVJ oOMZrr3BG+Fev5SVpL7Sq1xmDg44HKyBbGV+EaEINs8OR9yYoR7OczbyqbJc97KVPVGfWdhf4OQLiLaIiuali5nncRn1GMeEhGI3yUBqX4O8yCBZEjW+XJ4U F1ZbzAjvAZB2xOxRVLpSotJe9IduDSuoH7josdzpfIwhy8/Ggi6wMP6XOI0Ex6EOiEpceUhozirV725DMsU5/tMjVXCVh01sBH3igCuf4ojhAnmAhCKRkSCh wvxdHtXQqsruqm8k Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org The Apple GPIO controller is a simple combined pin and GPIO conroller present on Apple ARM SoC platforms, including various iPhone and iPad devices and the "Apple Silicon" Macs. Signed-off-by: Mark Kettenis --- .../bindings/pinctrl/apple,pinctrl.yaml | 103 ++++++++++++++++++ MAINTAINERS | 2 + include/dt-bindings/pinctrl/apple.h | 13 +++ 3 files changed, 118 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/apple,pinctrl.yaml create mode 100644 include/dt-bindings/pinctrl/apple.h diff --git a/Documentation/devicetree/bindings/pinctrl/apple,pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/apple,pinctrl.yaml new file mode 100644 index 000000000000..cc7805ca6ba1 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/apple,pinctrl.yaml @@ -0,0 +1,103 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/apple,pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Apple GPIO controller + +maintainers: + - Mark Kettenis + +description: | + The Apple GPIO controller is a simple combined pin and GPIO conroller + present on Apple ARM SoC platforms, including various iPhone and iPad + devices and the "Apple Silicon" Macs. + +properties: + compatible: + items: + - const: apple,t8103-pinctrl + - const: apple,pinctrl + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + gpio-controller: true + + '#gpio-cells': + const: 2 + + gpio-ranges: + maxItems: 1 + + interrupts: + minItems: 1 + maxItems: 7 + + interrupt-controller: true + +patternProperties: + '-pins$': + type: object + $ref: pinmux-node.yaml# + + properties: + pinmux: + description: + Values are constructed from pin number and alternate function + configuration number using the APPLE_PINMUX() helper macro + defined in include/dt-bindings/pinctrl/apple.h. + + required: + - pinmux + + additionalProperties: false + +required: + - compatible + - reg + - gpio-controller + - '#gpio-cells' + - gpio-ranges + +additionalProperties: false + +examples: + - | + #include + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + pinctrl: pinctrl@23c100000 { + compatible = "apple,t8103-pinctrl", "apple,pinctrl"; + reg = <0x2 0x3c100000 0x0 0x100000>; + clocks = <&gpio_clk>; + + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl 0 0 212>; + + interrupt-controller; + interrupt-parent = <&aic>; + interrupts = , + , + , + , + , + , + ; + + pcie_pins: pcie-pins { + pinmux = , + , + ; + }; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index ad0e9be66885..7327c9b778f1 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1654,9 +1654,11 @@ C: irc://chat.freenode.net/asahi-dev T: git https://github.com/AsahiLinux/linux.git F: Documentation/devicetree/bindings/arm/apple.yaml F: Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml +F: Documentation/devicetree/bindings/pinctrl/apple,pinctrl.yaml F: arch/arm64/boot/dts/apple/ F: drivers/irqchip/irq-apple-aic.c F: include/dt-bindings/interrupt-controller/apple-aic.h +F: include/dt-bindings/pinctrl/apple.h ARM/ARTPEC MACHINE SUPPORT M: Jesper Nilsson diff --git a/include/dt-bindings/pinctrl/apple.h b/include/dt-bindings/pinctrl/apple.h new file mode 100644 index 000000000000..ea0a6f466592 --- /dev/null +++ b/include/dt-bindings/pinctrl/apple.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0+ OR MIT */ +/* + * This header provides constants for Apple pinctrl bindings. + */ + +#ifndef _DT_BINDINGS_PINCTRL_APPLE_H +#define _DT_BINDINGS_PINCTRL_APPLE_H + +#define APPLE_PINMUX(pin, func) ((pin) | ((func) << 16)) +#define APPLE_PIN(pinmux) ((pinmux) & 0xffff) +#define APPLE_FUNC(pinmux) ((pinmux) >> 16) + +#endif /* _DT_BINDINGS_PINCTRL_APPLE_H */