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Received: from lb2-smtp-cloud9.xs4all.net ([194.109.24.26]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1ljmEh-00GXGZ-Vf for linux-arm-kernel@lists.infradead.org; Thu, 20 May 2021 17:13:29 +0000 Received: from copland.sibelius.xs4all.nl ([83.163.83.176]) by smtp-cloud9.xs4all.net with ESMTP id jmEWllugRVN4kjmEglB7cu; Thu, 20 May 2021 19:13:26 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xs4all.nl; s=s2; t=1621530806; bh=dZYL73bE1sVxLAH5jVtwDZkLnk4atcpM5ukFIe57fp4=; h=From:To:Subject:Date:Message-Id:MIME-Version:From:Subject; b=Q/fOYQos9F+ts1pq9p94jWkdhbo1hBFjgR1IKYkTRFjNcy8XkqSi4QIdc9/OthRSa 8xV/pGNs5fepAArHV6iv+2ffC4nyblCL7w/0gTHb94d9x1otvG5VSISmugAs839fK/ wkZ3zVf48gxJ5LqxHUqdlmV2n19POxwMctMnyn7KpZ9mCZoZ6+iNfB2C9AnvFim0fw WYcDEGjCLAA+IDZCOjHl497b+FibSVhdurIUXE4+fhhSIarBoj8Jzq9cZOWYRiTFIE xLa62bpsqbzbrx+g2Tu0I8ttTrRZstRapxsEpAVZLFHkuEbmOuJ46yXgt33zYToWXJ x4pZxMsKs0yoQ== 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 v3 1/2] dt-bindings: pinctrl: Add DT bindings for apple, pinctrl Date: Thu, 20 May 2021 19:13:06 +0200 Message-Id: <20210520171310.772-2-mark.kettenis@xs4all.nl> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210520171310.772-1-mark.kettenis@xs4all.nl> References: <20210520171310.772-1-mark.kettenis@xs4all.nl> MIME-Version: 1.0 X-CMAE-Envelope: MS4xfL3ekawXDDW3d/hI4clRYkTxKfeAaF3GjpPUN9rQVXC+U+KFjja8Wtu6yb8dGDKirHL3L0qgToaSmDaU9bXQXqcTGHd0Y1eN/QXk4JMquZi+ykDxMBm2 PU6g0hUCTKJZ4DlbRsh18o5YOiw05uyAzJFmcDToapfyVCp8kl7Hsrt+BXq5f60ir5Ks4R2huuDZi2xiNTysA9aLwInoMZKuiICafvu/bcY1osfZiQymw6dC vWuAFMIHDMaG3M+PyiyCmjaFuw2HWyT7qJwZ9JtffnBYi7uiTtHHsbrsVKgb1t1Ak8YQmIXz5vuNIKjNY28C3Tt6eP8zLy80MlE/wzajKwORQFmRf4VWnw+b apLed56mf+HOgU9Yaw56bDkprWuKiG4s6i233QWgNX8pM8RT57UujFXT/a+rKrICEoh2TgNZ9wGtONC81hRN+tnoL5InlGEW/0HfXUCtE1hHgekyhHfkYG8k Hf3vRzt8rhHZQZfw X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210520_101328_193940_BF596585 X-CRM114-Status: GOOD ( 17.35 ) 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: Mark Kettenis 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 | 106 ++++++++++++++++++ MAINTAINERS | 2 + include/dt-bindings/pinctrl/apple.h | 13 +++ 3 files changed, 121 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..d50571affd1f --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/apple,pinctrl.yaml @@ -0,0 +1,106 @@ +# 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 + controller 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: + description: One interrupt for each of the (up to 7) interrupt + groups supported by the controller sorted by interrupt group + number in ascending order. + 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 */