From patchwork Wed Mar 15 17:07:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nishanth Menon X-Patchwork-Id: 13176390 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 421D8C6FD1D for ; Wed, 15 Mar 2023 17:08:30 +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=yxjrhds1K7Yzde72JTeue/8K25f0N4rMPvTRrAbBc8w=; b=1ItGngeNBQXNA4 xRZA/czJn8QTTxTZOGDUsBq06z3sGOYy0beJ3UlDYzRVmu1ZnEVt0JFGENVZM1Ap7pO3WwMq14dqs 8G/rEJiEOqH2f/sbtKTqQVzlD4/5pggiT0eQxOAgIOE5xikWKSg6oVtJLOdCUAgY+oKqxEhLQO48k psklEK07teDlzH9+UfQ/iOzDpTdTXCjfzU1JamVeg4Be3wsxH/MdRmyedDe9l65l+vXkFiPOxGgJk fEXEDfFeJuJBUevw6lEfvVdlwIJhXAztJmFq0Tnw7cpxJoKrZsnvpQZARR4/340mkl30rcmRO88u/ sY7C8dHtuszmq6GDEAoQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pcUbE-00E74S-1D; Wed, 15 Mar 2023 17:07:40 +0000 Received: from fllv0016.ext.ti.com ([198.47.19.142]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pcUb3-00E72K-1I for linux-arm-kernel@lists.infradead.org; Wed, 15 Mar 2023 17:07:30 +0000 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 32FH7GCr106986; Wed, 15 Mar 2023 12:07:16 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1678900036; bh=5HQ/jxW1vGlIh1c3UfouxfrEApBZGhzKHOJeZQNT5KQ=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=q7vDGAQZgFFBQ2iDu9NOeSw5rIp3C7QC0aOwpQRjlLqXdrQoo6zG+X5TnNE2vAiSC AH2OPmW5xSlKc236zttMYvXS/b0KXF2qogoqCH5MUsVhn86awGGktCxt8TxRBhbWzm fu6u6x/LlKh9Gegei5pwaU4n3HreCFXRZKxDFnGc= Received: from DLEE112.ent.ti.com (dlee112.ent.ti.com [157.170.170.23]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 32FH7GJC100627 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 15 Mar 2023 12:07:16 -0500 Received: from DLEE112.ent.ti.com (157.170.170.23) by DLEE112.ent.ti.com (157.170.170.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16; Wed, 15 Mar 2023 12:07:16 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DLEE112.ent.ti.com (157.170.170.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16 via Frontend Transport; Wed, 15 Mar 2023 12:07:16 -0500 Received: from localhost (ileaxei01-snat2.itg.ti.com [10.180.69.6]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 32FH7GTg029485; Wed, 15 Mar 2023 12:07:16 -0500 From: Nishanth Menon To: Krzysztof Kozlowski , Rob Herring CC: , , , Tero Kristo , Vignesh Raghavendra , Nishanth Menon Subject: [PATCH V2 1/2] arm64: dts: ti: k3-am62-wakeup: Introduce RTC node Date: Wed, 15 Mar 2023 12:07:05 -0500 Message-ID: <20230315170706.1598977-2-nm@ti.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230315170706.1598977-1-nm@ti.com> References: <20230315170706.1598977-1-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-20230315_100729_475565_9327BD64 X-CRM114-Status: UNSURE ( 9.00 ) X-CRM114-Notice: Please train this message. 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 Introduce digital RTC node in wakeup domain. Even though this has no specific battery backup supply, this on-chip RTC is used in cost-optimized board designs as a wakeup source. Signed-off-by: Nishanth Menon Reviewed-by: Dhruva Gole --- No changes since V1 V1: https://lore.kernel.org/all/20230311105850.21811-2-nm@ti.com/ arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi index 38dced6b4fef..fec81546fbbd 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi @@ -40,4 +40,14 @@ wkup_i2c0: i2c@2b200000 { clock-names = "fck"; status = "disabled"; }; + + wkup_rtc0: rtc@2b1f0000 { + compatible = "ti,am62-rtc"; + reg = <0x00 0x2b1f0000 0x00 0x100>; + interrupts = ; + clocks = <&k3_clks 117 6> , <&k3_clks 117 0>; + clock-names = "vbus", "osc32k"; + power-domains = <&k3_pds 117 TI_SCI_PD_EXCLUSIVE>; + wakeup-source; + }; };