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arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730489208; cv=none; b=n+ZFeRSZDqFH86yyDQeou7j427wwZqMwcjDCxli7xZRp2c4hLJxL5o1E1aZKlCo8IqgSVjo1srNF3RMXVQAKde0QeEgHYhxDesbsL7NeOuCTyAwjgm7ItFpJiU8W1q4yd1Zek2EA2j42Lp3A532cV7co4JQ0WqEePB9H07T6Y4A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730489208; c=relaxed/simple; bh=2+61SXeXGIVwV2Py0mMH4Lf6SswQfF2F/Q38nkoG8tk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=PBcgp7h9bIU53B6kuEcHTEsK7Xuc+Ma6HDkvqRYC855NnN1ZIpwklkOlrFvy6KJzDaUuDjQrZirXHSxkSCLzEJn98pgk5e3TOvNjw7JC7TNcr+NSBxILj46S+r7vJ2DyC9LLHoNpjVQvfQ6NZOSM8MLiPA8S2mCoV3l7y9ws4FQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GnphfbFd; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPS id 4FED1C4CED5; Fri, 1 Nov 2024 19:26:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1730489208; bh=2+61SXeXGIVwV2Py0mMH4Lf6SswQfF2F/Q38nkoG8tk=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=GnphfbFdWjKqXyeoQ0fXrKGyXutOeBtasholt8bTjaEBbuXFjUMFr2ApVGt2v8ufz t0xrn4NsqAGSUmF3pSuTkjrB2SOaaWm9Q6jCnbwgJpJyA+88bYaqrrJwF6Wu3mfns2 B2N++Ge3Nmwv94i5v9gONluT4BIhnOzhnfUeMr9IMyPF9jQQux1cYY+IVS0NCz3ICI yfbgXHoptYIbEOeTzAJNd/5/bcaFVHjzenf3AkViFWH5sDP33Iz7T01McEZgiJNO/s zKY0wOV0rARKJMNsPeKSgIj1t29vSzHkgYD1d864zE6Vd6qHTZunXCEv5LwyWw8jP5 uRG/3or9veVzw== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3B892E6F086; Fri, 1 Nov 2024 19:26:48 +0000 (UTC) From: Janne Grunau via B4 Relay Date: Fri, 01 Nov 2024 20:26:12 +0100 Subject: [PATCH v3 1/3] dt-bindings: spi: apple,spi: Add binding for Apple SPI controllers Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241101-asahi-spi-v3-1-3b411c5fb8e5@jannau.net> References: <20241101-asahi-spi-v3-0-3b411c5fb8e5@jannau.net> In-Reply-To: <20241101-asahi-spi-v3-0-3b411c5fb8e5@jannau.net> To: Hector Martin , Sven Peter , Alyssa Rosenzweig , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Janne Grunau X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2077; i=j@jannau.net; s=yk2024; h=from:subject:message-id; bh=TsW7zwdUd7DpJxv+e2Rjl4FSQ1yenKbJUaCwJVIeRgk=; b=owGbwMvMwCW2UNrmdq9+ahrjabUkhnRV7bK+lzuPJp1PrtvwrTfuwVU/Tst+lvM/3UsuNsusv 6V83Ci+o5SFQYyLQVZMkSVJ+2UHw+oaxZjaB2Ewc1iZQIYwcHEKwETEJjAyXNXsm612RTNCOJb/ zPaqfaz8i/d4aIdeFQxVOyhc8/5oMcN/37Z3KYcFUvfsufS9JszvVmSJTfflF2eWh8zL8lz4oW8 /EwA= X-Developer-Key: i=j@jannau.net; a=openpgp; fpr=8B336A6BE4E5695E89B8532B81E806F586338419 X-Endpoint-Received: by B4 Relay for j@jannau.net/yk2024 with auth_id=264 X-Original-From: Janne Grunau Reply-To: j@jannau.net From: Hector Martin The Apple SPI controller is present in SoCs such as the M1 (t8103) and M1 Pro/Max (t600x). This controller uses one IRQ and one clock, and doesn't need any special properties, so the binding is trivial. Signed-off-by: Hector Martin Signed-off-by: Janne Grunau Acked-by: Nick Chan Reviewed-by: Conor Dooley --- .../devicetree/bindings/spi/apple,spi.yaml | 62 ++++++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/Documentation/devicetree/bindings/spi/apple,spi.yaml b/Documentation/devicetree/bindings/spi/apple,spi.yaml new file mode 100644 index 0000000000000000000000000000000000000000..8b4f974faa23bcf9a1ea0a0eb52ad17ca196b341 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/apple,spi.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/apple,spi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Apple ARM SoC SPI controller + +allOf: + - $ref: spi-controller.yaml# + +maintainers: + - Hector Martin + +properties: + compatible: + items: + - enum: + - apple,t8103-spi + - apple,t8112-spi + - apple,t6000-spi + - const: apple,spi + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + interrupts: + maxItems: 1 + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - interrupts + +unevaluatedProperties: false + +examples: + - | + #include + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + spi: spi@39b104000 { + compatible = "apple,t6000-spi", "apple,spi"; + reg = <0x3 0x9b104000 0x0 0x4000>; + interrupt-parent = <&aic>; + interrupts = ; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&clk>; + }; + };