From patchwork Sat May 3 10:06:50 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sven Peter via B4 Relay X-Patchwork-Id: 887044 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 4677C1A8403; Sat, 3 May 2025 10:07:16 +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=1746266836; cv=none; b=MAUUSVmC1O1greFSA4HRlwOKxkhWfAFDrZIKmv16wesTuUK4DWnMIiTE2qsmCNx5KkJ4LwFEKXzqWtbmpyZPRx4cf2hcyvQEaYiekhZnXdPkqA4/pttMQ65aOQf0GXp04Yx8k7ZpFRJJi6AmQjLoaoNOHeZibiXKp7QffFF2x5o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746266836; c=relaxed/simple; bh=FCj41YuS83lubvQ4sTVq20svbkJeutFtiBUdO/qgxJc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=m1Utqyv4ag5+ZfLxnMswNx8Y5COi2UYoWadMo9tSYuZFpmwHw8z1XLiTEV0jokzsxqtE5/IIshBhopBYN5jynt/l0v3Ma3j/wKsjA/wX7/2PO3agb7f3w2Yoczg1TuQklAKBh7WNy+zxmjGRtjctydzI8op3gcMegzKr9lIKN5s= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aYVtCN7W; 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="aYVtCN7W" Received: by smtp.kernel.org (Postfix) with ESMTPS id D1EF5C4CEF2; Sat, 3 May 2025 10:07:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746266835; bh=FCj41YuS83lubvQ4sTVq20svbkJeutFtiBUdO/qgxJc=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=aYVtCN7W4K++duwoGczZfIvcv4H17huF7MKXqW1kDVi9fJnbFYZ8w4bljXz1YPxY1 OTBwYeHV27gprbXlS0gQHZzBx0Pat35veBQG0tyzq1OlfQOnm+pmxpyMt0Q7jB2FSk NS1j+yp1QP3wTdm+s2tQgJFHfjboxb+SiJXHgoZzpXrOB/C9+01e/q08j6b5Dk3RPX HZIcNaRl9bL2oIhPybTCUkJzUxSteFZKAX2sz7QnJSnv8VZJF6zY4ffVlZ1iolH/2h hNs8ebMj4xwDLCPX7cuCwgmw0Kl7s5IVChTQZHulYQ3BJa1z1+5EVOUxM/AcvCMAII PLLFj3tA8EVTQ== 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 C429BC3ABB8; Sat, 3 May 2025 10:07:15 +0000 (UTC) From: Sven Peter via B4 Relay Date: Sat, 03 May 2025 10:06:50 +0000 Subject: [PATCH v4 3/9] dt-bindings: mfd: Add Apple Mac System Management Controller Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250503-smc-6-15-v4-3-500b9b6546fc@svenpeter.dev> References: <20250503-smc-6-15-v4-0-500b9b6546fc@svenpeter.dev> In-Reply-To: <20250503-smc-6-15-v4-0-500b9b6546fc@svenpeter.dev> To: Sven Peter , Janne Grunau , Alyssa Rosenzweig , Neal Gompa , Hector Martin , Linus Walleij , Bartosz Golaszewski , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sebastian Reichel , Lee Jones , Marc Zyngier , "Russell King (Oracle)" Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=3091; i=sven@svenpeter.dev; h=from:subject:message-id; bh=g5ICObcHrqmqje6IzUss8WgmYFLH5P7pKOHUdmrLAhA=; b=owGbwMvMwCHmIlirolUq95LxtFoSQ4boq+PztK3ON3yI529a18uZtTXwzw2+Mw6x5kFGX19Pe PFun+TLjlIWBjEOBlkxRZbt++1Nnzx8I7h006X3MHNYmUCGMHBxCsBElDQZGR5/+8p24hhjemWO 9ws5gxnaS5vnipilxe/ZwsBQ+Wz3z30M/5Pr9aU2bgx1WtEfdO5JwmOr+BN//y//pZK7LyBofea 1BRwA X-Developer-Key: i=sven@svenpeter.dev; a=openpgp; fpr=A1E3E34A2B3C820DBC4955E5993B08092F131F93 X-Endpoint-Received: by B4 Relay for sven@svenpeter.dev/default with auth_id=167 X-Original-From: Sven Peter Reply-To: sven@svenpeter.dev From: "Russell King (Oracle)" Add a DT binding for the Apple Mac System Management Controller. Signed-off-by: Russell King (Oracle) Reviewed-by: Linus Walleij Reviewed-by: Krzysztof Kozlowski Signed-off-by: Sven Peter --- .../devicetree/bindings/mfd/apple,smc.yaml | 71 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 72 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/apple,smc.yaml b/Documentation/devicetree/bindings/mfd/apple,smc.yaml new file mode 100644 index 0000000000000000000000000000000000000000..9f1058c15bbf62d84f8a72fdaa354909b02e2801 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/apple,smc.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/apple,smc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Apple Mac System Management Controller + +maintainers: + - Sven Peter + +description: + Apple Mac System Management Controller implements various functions + such as GPIO, RTC, power, reboot. + +properties: + compatible: + items: + - enum: + - apple,t6000-smc + - apple,t8103-smc + - apple,t8112-smc + - const: apple,smc + + reg: + items: + - description: SMC area + - description: SRAM area + + reg-names: + items: + - const: smc + - const: sram + + mboxes: + maxItems: 1 + + gpio: + $ref: /schemas/gpio/apple,smc-gpio.yaml + + reboot: + $ref: /schemas/power/reset/apple,smc-reboot.yaml + +additionalProperties: false + +required: + - compatible + - reg + - reg-names + - mboxes + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <2>; + + smc@23e400000 { + compatible = "apple,t8103-smc", "apple,smc"; + reg = <0x2 0x3e400000 0x0 0x4000>, + <0x2 0x3fe00000 0x0 0x100000>; + reg-names = "smc", "sram"; + mboxes = <&smc_mbox>; + + smc_gpio: gpio { + compatible = "apple,smc-gpio"; + gpio-controller; + #gpio-cells = <2>; + }; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index d85d9d9065db4dc5869788f8a81d9d9a425d7ce3..2c16b2fc3fec76104967530f487123485af1e777 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2275,6 +2275,7 @@ F: Documentation/devicetree/bindings/iommu/apple,dart.yaml F: Documentation/devicetree/bindings/iommu/apple,sart.yaml F: Documentation/devicetree/bindings/leds/backlight/apple,dwi-bl.yaml F: Documentation/devicetree/bindings/mailbox/apple,mailbox.yaml +F: Documentation/devicetree/bindings/mfd/apple,smc.yaml F: Documentation/devicetree/bindings/net/bluetooth/brcm,bcm4377-bluetooth.yaml F: Documentation/devicetree/bindings/nvme/apple,nvme-ans.yaml F: Documentation/devicetree/bindings/nvmem/apple,efuses.yaml