From patchwork Sat Mar 11 10:58:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nishanth Menon X-Patchwork-Id: 13170729 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 31474C6FD1F for ; Sat, 11 Mar 2023 11:00:22 +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=xc1ZK0ZWmtj9Qy5HGGaHC8BPvEIxX4xBIHw8bYXBk1o=; b=wOjB+Ah7PcVwjO kOEWU0p/8pF5pP6MrRL7ANqBEVrFbMcNq20UU6LXxbG4emxRr6fzF3LcwQYfpnIRNzwG279wF2cNX nUBPBBZfBtnGQIPr196d4Z7Fsqxv9tc1jG6HYxUww4x6dwNjveWVdyAyaVM1Bk0CrCMdsKV98cRWs y0qQ1x/XubFBTE/e0u53fBHjfQE8MzXCt1hEjC5zryF9MAsJpf1VzC9Qm0jYS/6DJjqv2lUI8MR2e ctsL7yR1JM6j5XdTz+D6D8szilxARl/R7y//y4JOu3aD0tTzoRk9Dd7xEeMRipur9tJfC5iRW1P6+ mD2iDnWRwYhXqrixeXYg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pawwj-000CQ5-N3; Sat, 11 Mar 2023 10:59:29 +0000 Received: from lelv0142.ext.ti.com ([198.47.23.249]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pawwR-000CMd-7c for linux-arm-kernel@lists.infradead.org; Sat, 11 Mar 2023 10:59:14 +0000 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 32BAwwm6124392; Sat, 11 Mar 2023 04:58:58 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1678532338; bh=tqErNGN8GCxnj7ouBJQFYk0KzOZEy3ERGkSm9RoMdfQ=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=KoI8mNG5VezjAK17iHrUl5D7/Rtrx2b4sVSVPabq1BtdVctltEzpsIrNwQgenKYG4 /Rmdlzx8nrUW7TwIaLyr2JfpdjMeRYO30nGGUkwxrvSF8RuB27CWDDCHw0ymoYf604 kNdqnetHz8Z353+MR1wtt1tirJ8Hfzvt32cDtJlM= Received: from DFLE109.ent.ti.com (dfle109.ent.ti.com [10.64.6.30]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 32BAwwEH102711 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Sat, 11 Mar 2023 04:58:58 -0600 Received: from DFLE104.ent.ti.com (10.64.6.25) by DFLE109.ent.ti.com (10.64.6.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16; Sat, 11 Mar 2023 04:58:58 -0600 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE104.ent.ti.com (10.64.6.25) 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; Sat, 11 Mar 2023 04:58:58 -0600 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 32BAwwol028037; Sat, 11 Mar 2023 04:58:58 -0600 From: Nishanth Menon To: Krzysztof Kozlowski , Rob Herring CC: , , , Tero Kristo , Vignesh Raghavendra , Nishanth Menon , Julien Panis , Bryan Brattlof Subject: [PATCH 2/2] arm64: dts: ti: k3-am62: Add watchdog nodes Date: Sat, 11 Mar 2023 04:58:50 -0600 Message-ID: <20230311105850.21811-3-nm@ti.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20230311105850.21811-1-nm@ti.com> References: <20230311105850.21811-1-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-20230311_025911_400275_2ECB35C9 X-CRM114-Status: UNSURE ( 9.33 ) 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 From: Julien Panis Add nodes for watchdogs : - 5 in main domain - 1 in MCU domain - 1 in wakeup domain Signed-off-by: Julien Panis Signed-off-by: Nishanth Menon --- Changes since V3: - Dropped the board level wdt reservation, do that with overlays based on modifiable firmware dependencies. V3: https://lore.kernel.org/all/20221109093026.103790-2-jpanis@baylibre.com/ arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 45 ++++++++++++++++++++++ arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi | 9 +++++ arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi | 11 ++++++ 3 files changed, 65 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi index ea683fd77d6a..90d5f145de4f 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi @@ -758,6 +758,51 @@ main_mcan0: can@20701000 { status = "disabled"; }; + main_rti0: watchdog@e000000 { + compatible = "ti,j7-rti-wdt"; + reg = <0x00 0x0e000000 0x00 0x100>; + clocks = <&k3_clks 125 0>; + power-domains = <&k3_pds 125 TI_SCI_PD_EXCLUSIVE>; + assigned-clocks = <&k3_clks 125 0>; + assigned-clock-parents = <&k3_clks 125 2>; + }; + + main_rti1: watchdog@e010000 { + compatible = "ti,j7-rti-wdt"; + reg = <0x00 0x0e010000 0x00 0x100>; + clocks = <&k3_clks 126 0>; + power-domains = <&k3_pds 126 TI_SCI_PD_EXCLUSIVE>; + assigned-clocks = <&k3_clks 126 0>; + assigned-clock-parents = <&k3_clks 126 2>; + }; + + main_rti2: watchdog@e020000 { + compatible = "ti,j7-rti-wdt"; + reg = <0x00 0x0e020000 0x00 0x100>; + clocks = <&k3_clks 127 0>; + power-domains = <&k3_pds 127 TI_SCI_PD_EXCLUSIVE>; + assigned-clocks = <&k3_clks 127 0>; + assigned-clock-parents = <&k3_clks 127 2>; + }; + + main_rti3: watchdog@e030000 { + compatible = "ti,j7-rti-wdt"; + reg = <0x00 0x0e030000 0x00 0x100>; + clocks = <&k3_clks 128 0>; + power-domains = <&k3_pds 128 TI_SCI_PD_EXCLUSIVE>; + assigned-clocks = <&k3_clks 128 0>; + assigned-clock-parents = <&k3_clks 128 2>; + }; + + main_rti4: watchdog@e0f0000 { + compatible = "ti,j7-rti-wdt"; + reg = <0x00 0x0e0f0000 0x00 0x100>; + clocks = <&k3_clks 130 0>; + power-domains = <&k3_pds 130 TI_SCI_PD_EXCLUSIVE>; + assigned-clocks = <&k3_clks 130 0>; + assigned-clock-parents = <&k3_clks 130 2>; + }; + epwm0: pwm@23000000 { compatible = "ti,am64-epwm", "ti,am3352-ehrpwm"; #pwm-cells = <3>; diff --git a/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi index a427231527c3..bec118921c4c 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi @@ -130,4 +130,13 @@ mcu_gpio0: gpio@4201000 { clocks = <&k3_clks 79 0>; clock-names = "gpio"; }; + + mcu_rti0: watchdog@4880000 { + compatible = "ti,j7-rti-wdt"; + reg = <0x00 0x04880000 0x00 0x100>; + clocks = <&k3_clks 131 0>; + power-domains = <&k3_pds 131 TI_SCI_PD_EXCLUSIVE>; + assigned-clocks = <&k3_clks 131 0>; + assigned-clock-parents = <&k3_clks 131 2>; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi index fec81546fbbd..7726ebae2539 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi @@ -50,4 +50,15 @@ wkup_rtc0: rtc@2b1f0000 { power-domains = <&k3_pds 117 TI_SCI_PD_EXCLUSIVE>; wakeup-source; }; + + wkup_rti0: watchdog@2b000000 { + compatible = "ti,j7-rti-wdt"; + reg = <0x00 0x2b000000 0x00 0x100>; + clocks = <&k3_clks 132 0>; + power-domains = <&k3_pds 132 TI_SCI_PD_EXCLUSIVE>; + assigned-clocks = <&k3_clks 132 0>; + assigned-clock-parents = <&k3_clks 132 2>; + /* Used by DM firmware */ + status = "reserved"; + }; };