From patchwork Mon Jan 6 03:11:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiaxin Yu X-Patchwork-Id: 11318687 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5D2E31395 for ; Mon, 6 Jan 2020 03:19:45 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 37F1721582 for ; Mon, 6 Jan 2020 03:19:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="WxUPL5wj"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="MRwFI+vD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 37F1721582 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=iiJ0a3n7SDiVWNSYd6Cx9eZxeQ76NWeLmKo0ygHvHL0=; b=WxUPL5wjToEtio blbJgxri1oc/7MDZm0QJUmO+yuUo/eD9K85EU8IPzHrhql4D7oysF1aXpYBnWjaMkJYYOnKOJdqPe HD1U6QNyrZL1UlLGngJuU8kX1xzE5az5Y11Ep8xicPZiQYpnsexKkzuq2PTl8avkBvI2zUSo5Oy+D xGLaLm7n83k5B59+StLvK/79TYp2k5Sm+Go/rHQVgUpf82kzemr/C7qrLo5i324C87Emfwb73I82Y RBbUTfB1NMwHO++d/5nVokMOBRAXiViJn28+sglejGPjNhQ4IB+CAc1KB/kfliXP0jDqf4JBIcz3q nmktx8ilMEMocdPDlshg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ioIve-0003qq-Vs; Mon, 06 Jan 2020 03:19:42 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ioIvS-0003dM-1a; Mon, 06 Jan 2020 03:19:31 +0000 X-UUID: 592524e2ab614c23a09f47861006380f-20200105 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=WwB4AGrud03Fgqpfaaa07NUMCVAw+pbHOjpMxql0HRM=; b=MRwFI+vD143WVaSCieA4ukYY9P4aSfRSkIu9yvmgA9ZiwwV0gBUE35Lswosw3kM0FZk5zOK1OLcZ688lVz9ZEHnv4sFwm0UfaQ6ZzYSBoTzzOnnzBUzePR2k9HRgY+0qHryg7YDrkkG90ZJqfM3o/7IXTIKkU4WGoNLCjKMDCMQ=; X-UUID: 592524e2ab614c23a09f47861006380f-20200105 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 993227797; Sun, 05 Jan 2020 19:19:26 -0800 Received: from mtkmbs05n2.mediatek.inc (172.21.101.140) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sun, 5 Jan 2020 19:11:43 -0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 6 Jan 2020 11:11:09 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Mon, 6 Jan 2020 11:10:11 +0800 From: Jiaxin Yu To: , , , , , , , , , , , Subject: [PATCH v10 1/2] dt-bindings: mediatek: mt8183: Add #reset-cells Date: Mon, 6 Jan 2020 11:11:35 +0800 Message-ID: <1578280296-18946-2-git-send-email-jiaxin.yu@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1578280296-18946-1-git-send-email-jiaxin.yu@mediatek.com> References: <1578280296-18946-1-git-send-email-jiaxin.yu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200105_191930_086620_FFA91CA8 X-CRM114-Status: GOOD ( 10.69 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: sboyd@kernel.org, yingjoe.chen@mediatek.com, Jiaxin Yu Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org Add #reset-cells property and update example Signed-off-by: yong.liang Signed-off-by: Jiaxin Yu Reviewed-by: Yingjoe Chen Reviewed-by: Philipp Zabel --- .../devicetree/bindings/watchdog/mtk-wdt.txt | 10 ++++++--- .../reset-controller/mt2712-resets.h | 22 +++++++++++++++++++ .../reset-controller/mt8183-resets.h | 17 ++++++++++++++ 3 files changed, 46 insertions(+), 3 deletions(-) create mode 100644 include/dt-bindings/reset-controller/mt2712-resets.h diff --git a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt index 92181b648f52..5a76ac262f8d 100644 --- a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt @@ -4,6 +4,7 @@ Required properties: - compatible should contain: "mediatek,mt2701-wdt", "mediatek,mt6589-wdt": for MT2701 + "mediatek,mt2712-wdt", "mediatek,mt6589-wdt": for MT2712 "mediatek,mt6589-wdt": for MT6589 "mediatek,mt6797-wdt", "mediatek,mt6589-wdt": for MT6797 "mediatek,mt7622-wdt", "mediatek,mt6589-wdt": for MT7622 @@ -14,11 +15,14 @@ Required properties: Optional properties: - timeout-sec: contains the watchdog timeout in seconds. +- #reset-cells: Should be 1. Example: -wdt: watchdog@10000000 { - compatible = "mediatek,mt6589-wdt"; - reg = <0x10000000 0x18>; +watchdog: watchdog@10007000 { + compatible = "mediatek,mt8183-wdt", + "mediatek,mt6589-wdt"; + reg = <0 0x10007000 0 0x100>; timeout-sec = <10>; + #reset-cells = <1>; }; diff --git a/include/dt-bindings/reset-controller/mt2712-resets.h b/include/dt-bindings/reset-controller/mt2712-resets.h new file mode 100644 index 000000000000..9e7ee762f076 --- /dev/null +++ b/include/dt-bindings/reset-controller/mt2712-resets.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2019 MediaTek Inc. + * Author: Yong Liang + */ + +#ifndef _DT_BINDINGS_RESET_CONTROLLER_MT2712 +#define _DT_BINDINGS_RESET_CONTROLLER_MT2712 + +#define MT2712_TOPRGU_INFRA_SW_RST 0 +#define MT2712_TOPRGU_MM_SW_RST 1 +#define MT2712_TOPRGU_MFG_SW_RST 2 +#define MT2712_TOPRGU_VENC_SW_RST 3 +#define MT2712_TOPRGU_VDEC_SW_RST 4 +#define MT2712_TOPRGU_IMG_SW_RST 5 +#define MT2712_TOPRGU_INFRA_AO_SW_RST 8 +#define MT2712_TOPRGU_USB_SW_RST 9 +#define MT2712_TOPRGU_APMIXED_SW_RST 10 + +#define MT2712_TOPRGU_SW_RST_NUM 11 + +#endif /* _DT_BINDINGS_RESET_CONTROLLER_MT2712 */ diff --git a/include/dt-bindings/reset-controller/mt8183-resets.h b/include/dt-bindings/reset-controller/mt8183-resets.h index 8804e34ebdd4..a1bbd41e0d12 100644 --- a/include/dt-bindings/reset-controller/mt8183-resets.h +++ b/include/dt-bindings/reset-controller/mt8183-resets.h @@ -78,4 +78,21 @@ #define MT8183_INFRACFG_AO_I2C7_SW_RST 126 #define MT8183_INFRACFG_AO_I2C8_SW_RST 127 +#define MT8183_INFRACFG_SW_RST_NUM 128 + +#define MT8183_TOPRGU_MM_SW_RST 1 +#define MT8183_TOPRGU_MFG_SW_RST 2 +#define MT8183_TOPRGU_VENC_SW_RST 3 +#define MT8183_TOPRGU_VDEC_SW_RST 4 +#define MT8183_TOPRGU_IMG_SW_RST 5 +#define MT8183_TOPRGU_MD_SW_RST 7 +#define MT8183_TOPRGU_CONN_SW_RST 9 +#define MT8183_TOPRGU_CONN_MCU_SW_RST 12 +#define MT8183_TOPRGU_IPU0_SW_RST 14 +#define MT8183_TOPRGU_IPU1_SW_RST 15 +#define MT8183_TOPRGU_AUDIO_SW_RST 17 +#define MT8183_TOPRGU_CAMSYS_SW_RST 18 + +#define MT8183_TOPRGU_SW_RST_NUM 19 + #endif /* _DT_BINDINGS_RESET_CONTROLLER_MT8183 */ From patchwork Mon Jan 6 03:11:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiaxin Yu X-Patchwork-Id: 11318673 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4C61F1580 for ; Mon, 6 Jan 2020 03:11:53 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 0C55621775 for ; Mon, 6 Jan 2020 03:11:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Lpl1gBXp"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="YoMBSsOT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0C55621775 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=LnOiyhaKMnxZD9OQ1ZTg/eZ2ivH6b9uJFifg2l9bHd8=; b=Lpl1gBXpoZxyBa /2gd1JaGZqjsQ892SxXJ+6AKx7t9y82Od1Aw74qT0SrdT9xamAkszrDjZuO4YY3oKSWP2+1nTwYdK 2Z87Hw5lqKXOmgDrGc3P9CRBIl5BshetjW4mXyqhNB5JhGHDj2K/1icHbVK0U1fBr9elfTxuqX+vQ ZSd6Ej2vDQ4Nc9bBTYCmZjqNXhUcMeAGg7eXaCSOHVvhg0vJXH0Z5XJIZjbgFh2P3M0j6I3hxAR/x Aerra2uInpByRnyBbnKS/ZCPFA29x9eVVDlF9/m8/q3WvVFfwAekHSXTvu15PJM/FS/M1/LmYR0kD +Tc6Pw7AcgpV5o509sxw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ioIo2-0001k6-SU; Mon, 06 Jan 2020 03:11:50 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ioInz-0001jI-Tp; Mon, 06 Jan 2020 03:11:49 +0000 X-UUID: 97356b9308454a66a258e2387176379c-20200105 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=Y8MUPyC/ZeIcdNeYJ07CcnnrMIKAUoQo7YdWMkGcUn0=; b=YoMBSsOTLc0Kn2kvhQx2vMw/TaInDt75P99QhD0STSwQ4kMaojjIuIQMZSU1tIYArhgzUBqQH7XXlbcB1GhyrkNtGTnUPpBGOlBOY4/tof8HpR1pXozqpP+E2BPnDK5oDEMi+D9mW0EegFtAaCOy5HsLiweFnTzpWuy9XNor5gs=; X-UUID: 97356b9308454a66a258e2387176379c-20200105 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 598184263; Sun, 05 Jan 2020 19:11:45 -0800 Received: from mtkmbs05n1.mediatek.inc (172.21.101.15) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sun, 5 Jan 2020 19:12:13 -0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 6 Jan 2020 11:11:14 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Mon, 6 Jan 2020 11:10:12 +0800 From: Jiaxin Yu To: , , , , , , , , , , , Subject: [PATCH v10 2/2] watchdog: mtk_wdt: mt8183: Add reset controller Date: Mon, 6 Jan 2020 11:11:36 +0800 Message-ID: <1578280296-18946-3-git-send-email-jiaxin.yu@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1578280296-18946-1-git-send-email-jiaxin.yu@mediatek.com> References: <1578280296-18946-1-git-send-email-jiaxin.yu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200105_191147_973582_7FE94AE8 X-CRM114-Status: GOOD ( 12.18 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: sboyd@kernel.org, yingjoe.chen@mediatek.com, Jiaxin Yu Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org Add reset controller API in watchdog driver. Besides watchdog, MTK toprgu module alsa provide sub-system (eg, audio, camera, codec and connectivity) software reset functionality. Signed-off-by: yong.liang Signed-off-by: Jiaxin Yu Reviewed-by: Yingjoe Chen Reviewed-by: Philipp Zabel --- drivers/watchdog/mtk_wdt.c | 105 ++++++++++++++++++++++++++++++++++++- 1 file changed, 104 insertions(+), 1 deletion(-) diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c index 9c3d0033260d..d6a6393f609d 100644 --- a/drivers/watchdog/mtk_wdt.c +++ b/drivers/watchdog/mtk_wdt.c @@ -9,6 +9,9 @@ * Based on sunxi_wdt.c */ +#include +#include +#include #include #include #include @@ -16,10 +19,11 @@ #include #include #include +#include #include +#include #include #include -#include #define WDT_MAX_TIMEOUT 31 #define WDT_MIN_TIMEOUT 1 @@ -44,6 +48,9 @@ #define WDT_SWRST 0x14 #define WDT_SWRST_KEY 0x1209 +#define WDT_SWSYSRST 0x18U +#define WDT_SWSYS_RST_KEY 0x88000000 + #define DRV_NAME "mtk-wdt" #define DRV_VERSION "1.0" @@ -53,8 +60,94 @@ static unsigned int timeout; struct mtk_wdt_dev { struct watchdog_device wdt_dev; void __iomem *wdt_base; + spinlock_t lock; /* protects WDT_SWSYSRST reg */ + struct reset_controller_dev rcdev; +}; + +struct mtk_wdt_data { + int toprgu_sw_rst_num; }; +static const struct mtk_wdt_data mt2712_data = { + .toprgu_sw_rst_num = MT2712_TOPRGU_SW_RST_NUM, +}; + +static const struct mtk_wdt_data mt8183_data = { + .toprgu_sw_rst_num = MT8183_TOPRGU_SW_RST_NUM, +}; + +static int toprgu_reset_update(struct reset_controller_dev *rcdev, + unsigned long id, bool assert) +{ + unsigned int tmp; + unsigned long flags; + struct mtk_wdt_dev *data = + container_of(rcdev, struct mtk_wdt_dev, rcdev); + + spin_lock_irqsave(&data->lock, flags); + + tmp = readl(data->wdt_base + WDT_SWSYSRST); + if (assert) + tmp |= BIT(id); + else + tmp &= ~BIT(id); + tmp |= WDT_SWSYS_RST_KEY; + writel(tmp, data->wdt_base + WDT_SWSYSRST); + + spin_unlock_irqrestore(&data->lock, flags); + + return 0; +} + +static int toprgu_reset_assert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + return toprgu_reset_update(rcdev, id, true); +} + +static int toprgu_reset_deassert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + return toprgu_reset_update(rcdev, id, false); +} + +static int toprgu_reset(struct reset_controller_dev *rcdev, + unsigned long id) +{ + int ret; + + ret = toprgu_reset_assert(rcdev, id); + if (ret) + return ret; + + return toprgu_reset_deassert(rcdev, id); +} + +static const struct reset_control_ops toprgu_reset_ops = { + .assert = toprgu_reset_assert, + .deassert = toprgu_reset_deassert, + .reset = toprgu_reset, +}; + +static int toprgu_register_reset_controller(struct platform_device *pdev, + int rst_num) +{ + int ret; + struct mtk_wdt_dev *mtk_wdt = platform_get_drvdata(pdev); + + spin_lock_init(&mtk_wdt->lock); + + mtk_wdt->rcdev.owner = THIS_MODULE; + mtk_wdt->rcdev.nr_resets = rst_num; + mtk_wdt->rcdev.ops = &toprgu_reset_ops; + mtk_wdt->rcdev.of_node = pdev->dev.of_node; + ret = devm_reset_controller_register(&pdev->dev, &mtk_wdt->rcdev); + if (ret != 0) + dev_err(&pdev->dev, + "couldn't register wdt reset controller: %d\n", ret); + return ret; +} + static int mtk_wdt_restart(struct watchdog_device *wdt_dev, unsigned long action, void *data) { @@ -155,6 +248,7 @@ static int mtk_wdt_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct mtk_wdt_dev *mtk_wdt; + const struct mtk_wdt_data *wdt_data; int err; mtk_wdt = devm_kzalloc(dev, sizeof(*mtk_wdt), GFP_KERNEL); @@ -190,6 +284,13 @@ static int mtk_wdt_probe(struct platform_device *pdev) dev_info(dev, "Watchdog enabled (timeout=%d sec, nowayout=%d)\n", mtk_wdt->wdt_dev.timeout, nowayout); + wdt_data = of_device_get_match_data(dev); + if (wdt_data) { + err = toprgu_register_reset_controller(pdev, + wdt_data->toprgu_sw_rst_num); + if (err) + return err; + } return 0; } @@ -218,7 +319,9 @@ static int mtk_wdt_resume(struct device *dev) #endif static const struct of_device_id mtk_wdt_dt_ids[] = { + { .compatible = "mediatek,mt2712-wdt", .data = &mt2712_data }, { .compatible = "mediatek,mt6589-wdt" }, + { .compatible = "mediatek,mt8183-wdt", .data = &mt8183_data }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, mtk_wdt_dt_ids);