From patchwork Wed May 11 00:25:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nishanth Menon X-Patchwork-Id: 12845655 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DFB5CC433F5 for ; Wed, 11 May 2022 00:27:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=JG4hkyQfCs0ERPFuyTRGGflSU0ieZmdOJG207BwkMHw=; b=WHHIYd/0FQPpPL z8B3xmiwQ2HOzaL5KaiPev0SsjnY07oetKcnJr2hEBd7UlJ8pKCfIIxzvF7p0tL2KzHt88HTi5Alw bLgLqR994DlSQjaQXDTHUKgkBN6kIeCdg5gTiq6durfSXugiVRIqZJgBeJ2MbBbxCJsO/gTZoxHIp quNu0XdfHe2J60F5V1uU2jOxYoBNP6VP8nIg7dyD7S64ZdEYUXueizNmwCz5xxUfoZCZdUvC968d6 2dB3/HAPkzE1+SqV4bntGHwET7G9Km64/+ZBKQvcbiAKeBtPyy0yma+OP1BaPGcBdpPVvW88lMIAq J2sRxbtgu4cjRhzrF+Qg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1noaBK-004VaY-U8; Wed, 11 May 2022 00:26:23 +0000 Received: from fllv0015.ext.ti.com ([198.47.19.141]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1noaB9-004VYk-IM for linux-arm-kernel@lists.infradead.org; Wed, 11 May 2022 00:26:13 +0000 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 24B0Q1NA088298; Tue, 10 May 2022 19:26:01 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1652228761; bh=AlYirRfjI9pXG85C1Hrc3SgTsPlWG7ZZ+sbpHiMv+lU=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=saqWaUlRXTvyvDvyXz+YiRKYDAFK7luoRsTVNFwn2cUti1amIX9VHwYhAnEcuCKKB +7pUg7vjh+f5z6rCY9a9EdKlTrMDInt6iXb9lfpSCerlpPHQYoVQObOICOquZYLcNR aAhz92EYe5C9b0EJIWP+EFuGDX7B0EJYREq5xW/g= Received: from DFLE113.ent.ti.com (dfle113.ent.ti.com [10.64.6.34]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 24B0Q1lG130623 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 10 May 2022 19:26:01 -0500 Received: from DFLE111.ent.ti.com (10.64.6.32) by DFLE113.ent.ti.com (10.64.6.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Tue, 10 May 2022 19:26:01 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE111.ent.ti.com (10.64.6.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14 via Frontend Transport; Tue, 10 May 2022 19:26:01 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 24B0Q1XK108673; Tue, 10 May 2022 19:26:01 -0500 From: Nishanth Menon To: Krzysztof Kozlowski , Rob Herring , Alexandre Belloni , Alessandro Zummo CC: , , , , Vignesh Raghavendra , Andrew Davis , Nishanth Menon Subject: [PATCH V2 1/2] dt-bindings: rtc: Add TI K3 RTC description Date: Tue, 10 May 2022 19:25:58 -0500 Message-ID: <20220511002600.27964-2-nm@ti.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220511002600.27964-1-nm@ti.com> References: <20220511002600.27964-1-nm@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220510_172611_702569_C6606DC9 X-CRM114-Status: GOOD ( 13.36 ) 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 This adds the documentation for the devicetree bindings of the Texas Instruments RTC modules on K3 family of SoCs such as AM62x SoCs or newer. Signed-off-by: Nishanth Menon --- Changes since V1: Krzysztof's comments addressed: * $subject updated * assigned-clocks* dropped * Dropped the un-necessary quotes * Dropped the extra example, which serves no purpose now. * compatible is just an enum now. V1: https://lore.kernel.org/all/20220412073138.25027-2-nm@ti.com/ .../devicetree/bindings/rtc/ti,k3-rtc.yaml | 61 +++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/ti,k3-rtc.yaml diff --git a/Documentation/devicetree/bindings/rtc/ti,k3-rtc.yaml b/Documentation/devicetree/bindings/rtc/ti,k3-rtc.yaml new file mode 100644 index 000000000000..444e18df6231 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/ti,k3-rtc.yaml @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/ti,k3-rtc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments K3 Real Time Clock + +maintainers: + - Nishanth Menon + +description: | + This RTC appears in the AM62x family of SoCs. + +properties: + compatible: + enum: + - ti,am62-rtc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: VBUS Interface clock + - description: 32k Clock source (external or internal). + + clock-names: + items: + - const: vbus + - const: osc32k + + power-domains: + maxItems: 1 + + wakeup-source: true + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include + rtc@2b1f0000 { + compatible = "ti,am62-rtc"; + reg = <0x2b1f0000 0x100>; + interrupts = ; + power-domains = <&bar 0>; + clocks = <&foo 0>, <&foo 1>; + clock-names = "vbus", "osc32k"; + wakeup-source; + };