From patchwork Wed Nov 6 07:54:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Janne Grunau via B4 Relay X-Patchwork-Id: 841319 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3B17C1CF2AE; Wed, 6 Nov 2024 07:54:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730879665; cv=none; b=s/rBjzD4SnjcoqNhgTD+SDAbJ4Buo8lkmI9kzWT6znGrgbwsXyMR4y/ZJUC4nOKjx6MCI0uCcJIej9XFH8FzD4wBmJvRnPulwbo4pnY9+6JCG5akjXMSr3FtS+cdHt0aTOV2uhw6Mb28rjz5+u/1MMdiXVfSwSkoAYp1b6iDHn4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730879665; c=relaxed/simple; bh=4CxI9hvqy+T0MQp7ejsVaS+wjhKMAoO93q+j3nHoUH0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Xwcb0vCrAqLw9A+x2eSjwv+lkM8+8hM+u42ilR/1ESgMGbJuCthV0uhEiCHb3Td54K72jkKnTR9gKA4XvcFplnuYCqmPfWAse9Q6SeDjgc5QwzPHcn8x3o1Veg1Y1Ff9x917o8b/5DQPLMMvI2B34F6cQ+QVUa7EPWBlilhBmpA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=W0+vbyNt; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="W0+vbyNt" Received: by smtp.kernel.org (Postfix) with ESMTPS id D32E1C4CED3; Wed, 6 Nov 2024 07:54:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1730879664; bh=4CxI9hvqy+T0MQp7ejsVaS+wjhKMAoO93q+j3nHoUH0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=W0+vbyNtK0fmXOzDVhfAGCF0Ic+GhcetALnCsK/b1vlS/Qcio+fYGqhglIvRu12GU +YEVjIQHpvNor3WRoqavLw+qTuSBhWZRjWeBV6tTj/mFSA2lVr5Ord743Bvg4CUwoR gBpz9t5NA+DBRm4c/aiaduiNYJQtlbdk/ZjCfVfomKUpFZiewM899gW05TLhP2gi8K 1JKM6AeVfXEBnIxbhvk+RxcyHu7f6MBjTpV/1euFyAopJ2/amZLQbTnwi9vOVnNP2r i46qC/KPB+8C6SGhRYZz/N5pqHDrG9dXUzMQ2MnADVgViD1ucVvElu5e6Wr4otvefw u+3zLywlzkqTA== 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 BDD6CD29FB3; Wed, 6 Nov 2024 07:54:24 +0000 (UTC) From: Janne Grunau via B4 Relay Date: Wed, 06 Nov 2024 08:54:00 +0100 Subject: [PATCH v5 1/3] spi: dt-bindings: apple,spi: Add binding for Apple SPI controllers Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241106-asahi-spi-v5-1-e81a4f3a8e19@jannau.net> References: <20241106-asahi-spi-v5-0-e81a4f3a8e19@jannau.net> In-Reply-To: <20241106-asahi-spi-v5-0-e81a4f3a8e19@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 , Nick Chan , Conor Dooley X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2217; i=j@jannau.net; s=yk2024; h=from:subject:message-id; bh=O9OlA0s3DQ4s9BDbe1rexPnrtmgzE8wHs1clsQ1vxYw=; b=owGbwMvMwCW2UNrmdq9+ahrjabUkhnRthfVLjea1h21MsuPzsJYXPcTB//xyaH9ikdqMJc6zZ f7tPfyxo5SFQYyLQVZMkSVJ+2UHw+oaxZjaB2Ewc1iZQIYwcHEKwEQCWhj+yvp692/VeRPIIDP5 L7OVWARfz9bksjPC7rOYCu/630lYzvCLaZJ279Fp2ornv6uZKT/9Em/0VPaDdsMNzuUMSqtLGCO ZAA== 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 Reviewed-by: Rob Herring Acked-by: Nick Chan Reviewed-by: Conor Dooley Signed-off-by: Janne Grunau --- .../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..7bef605a296353a62252282af4ba45a71b20b7b6 --- /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@39b104000 { + compatible = "apple,t6000-spi", "apple,spi"; + reg = <0x3 0x9b104000 0x0 0x4000>; + interrupt-parent = <&aic>; + interrupts = ; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&clk>; + }; + };