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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=1731045290; cv=none; b=NWfMNAoU7nIwLCP1Uv8a4lKkEB1BA0euEexDBR2UywlYLMZrAQRxJGe4ccCvQzZGm0ULD+CWd89ekgI9otxrpBmiAnq4xJ4EXi7fndWBri4vDKCpMj5n/iUUvf8Ggct3Dd+zWcSPV5VkIQS4yKCtKph2Nz9xzlAwKJZB9vjlNW0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731045290; c=relaxed/simple; bh=HJE0pA+74tCzliJNJXQ3Kg9jGHLW4xMEmX5HYgB7ZDs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Knsh7GD2TxODFt3ISCKsGozufdnL2nKzvJvh/ndEol05sTgmdTF0Q808tzdz+pY1J/9JgCb8jVj2RRCRU2l+iYZvz7DXy9nXkgg7vKtXIXy9l7XKOm8mIzMGb+YZn35UKq3ksrqZZEeFLO35jn3h5AJgZElkkeZkPVr2NM1J2B8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FH1CyNy6; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPS id 17B40C4CED0; Fri, 8 Nov 2024 05:54:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1731045290; bh=HJE0pA+74tCzliJNJXQ3Kg9jGHLW4xMEmX5HYgB7ZDs=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=FH1CyNy6+oSMCp4UOvd7VFGlx1KI0R+Wk/Mqo+xEgXrNwAkz1emwPxg0wWqn2KmzK rcslwDzvK+DkI/3uj7wRwN/e6F6c1HLXYRgRgvY+0F+DjFz8EK4RXNHpuITVf74VI8 MxxGnlPhT3tqC0apACAL/p1IBSVGUbWUxF63V9HeUxaVZETmpWz4TJc0BC3E4/Z1e3 rARoP0P4ClExve+wKWNSW2kv081KQux9vVIHClEWl2CDNd0R26q5zLbkJFxbkoHN/d Be87x6iBbQ/hlNkikCrh5jKwe6O+GNsePjbPFor7RgNPtn/Ua4KbPr1okSKUJGeZ4q JnalI64EZsNCg== 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 079A0D5E134; Fri, 8 Nov 2024 05:54:50 +0000 (UTC) From: Xianwei Zhao via B4 Relay Date: Fri, 08 Nov 2024 13:54:41 +0800 Subject: [PATCH v5 1/3] dt-bindings: rtc: Add Amlogic A4 and A5 RTC Precedence: bulk X-Mailing-List: linux-rtc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241108-rtc-v5-1-0194727c778b@amlogic.com> References: <20241108-rtc-v5-0-0194727c778b@amlogic.com> In-Reply-To: <20241108-rtc-v5-0-0194727c778b@amlogic.com> To: Yiting Deng , Alexandre Belloni , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-amlogic@lists.infradead.org, linux-rtc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Xianwei Zhao , Krzysztof Kozlowski X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=ed25519-sha256; t=1731045288; l=2146; i=xianwei.zhao@amlogic.com; s=20231208; h=from:subject:message-id; bh=SnfWHSIVk7X6HuExSpIoFJO0hQjcCpxtc5dtKXQKyis=; b=Q3892j42P21hB6EVcwdsGEr7eXmMcm8B7queUI3trZjJlX45iLaJOla/ummE+cV031mLJvHU+ hUmZxgIURvzBl+8ln3Jf+15w92/71nCbmmUkrAoEVb0FHcoV4734Pjp X-Developer-Key: i=xianwei.zhao@amlogic.com; a=ed25519; pk=o4fDH8ZXL6xQg5h17eNzRljf6pwZHWWjqcOSsj3dW24= X-Endpoint-Received: by B4 Relay for xianwei.zhao@amlogic.com/20231208 with auth_id=107 X-Original-From: Xianwei Zhao Reply-To: xianwei.zhao@amlogic.com From: Yiting Deng Add documentation describing the Amlogic A4(A113L2) and A5(A113X2) RTC. Signed-off-by: Yiting Deng Reviewed-by: Krzysztof Kozlowski Signed-off-by: Xianwei Zhao --- .../devicetree/bindings/rtc/amlogic,a4-rtc.yaml | 63 ++++++++++++++++++++++ 1 file changed, 63 insertions(+) diff --git a/Documentation/devicetree/bindings/rtc/amlogic,a4-rtc.yaml b/Documentation/devicetree/bindings/rtc/amlogic,a4-rtc.yaml new file mode 100644 index 000000000000..5d3ac737abcb --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/amlogic,a4-rtc.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2024 Amlogic, Inc. All rights reserved +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/amlogic,a4-rtc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic A4 and A5 RTC + +maintainers: + - Yiting Deng + - Xianwei Zhao + +allOf: + - $ref: rtc.yaml# + +properties: + compatible: + enum: + - amlogic,a4-rtc + - amlogic,a5-rtc + + reg: + maxItems: 1 + + clocks: + items: + - description: RTC clock source, available 24M or 32K crystal + oscillator source. when using 24M, need to divide 24M into 32K. + - description: RTC module accesses the clock of the apb bus. + + clock-names: + items: + - const: osc + - const: sys + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + +additionalProperties: false + +examples: + - | + #include + apb { + #address-cells = <2>; + #size-cells = <2>; + + rtc@8e600 { + compatible = "amlogic,a4-rtc"; + reg = <0x0 0x8e600 0x0 0x38>; + clocks = <&xtal_32k>, <&clkc_periphs 1>; + clock-names = "osc", "sys"; + interrupts = ; + }; + };