From patchwork Wed Nov 21 17:27:42 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Loic Poulain X-Patchwork-Id: 10692865 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8AC6516B1 for ; Wed, 21 Nov 2018 17:27:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6D57A2C4C3 for ; Wed, 21 Nov 2018 17:27:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6105B2C4FD; Wed, 21 Nov 2018 17:27:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 88CB62C1E5 for ; Wed, 21 Nov 2018 17:27:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729345AbeKVEDI (ORCPT ); Wed, 21 Nov 2018 23:03:08 -0500 Received: from mail-wr1-f65.google.com ([209.85.221.65]:46180 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726711AbeKVEDH (ORCPT ); Wed, 21 Nov 2018 23:03:07 -0500 Received: by mail-wr1-f65.google.com with SMTP id l9so6532842wrt.13 for ; Wed, 21 Nov 2018 09:27:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id; bh=vsEVAuCJqisBLnMToAfhLNb1xx9/iiDtNEJ/5YSBYXg=; b=I/9JkXwd4CTStZVgs2QffYZ80nHHXM32KlFfxN1T13rsrAYiwPCAqAgn837FKBCSGa C9P4BttVzrCKNDu2HIapfe86wyMdj0VDtouiM9r0CbVzYEQB4nJ8VWLmML5wG5fiZuFP /UUrU4ettnbsSHtRxkzXc/4gmnGQcUo5h8gLE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=vsEVAuCJqisBLnMToAfhLNb1xx9/iiDtNEJ/5YSBYXg=; b=Zas8ao5yvP5NhjaJvh9LzL+79x7dP192v7yKtlpnsJc272bFEcnkZz9KZjqSbrmJCe 97Sfjy3FutpHMdvJ7GSB07BuFon/gyhBm5DWOOuZPDUeTg4oR38T7tphNQIdMGYLZf39 aqgjcMhnhTFcXK87NUqZmE1ldVoXy3aMMzaiwZL0EwntgJ00ZJZtjs9pbEgaAQp2e5Ea /EBakNMvRPaBjWmyHPSmmm/n0C+XPc+2ndy6ZYcJlPRidqFKFshZMOghJM2ykU3M5Ull gqh9VmYbmTwtjYgaQcMPdx1ysM/yXDfI4+nP89goUorXFOdIBApRHpUtt+EtDKNAJeH8 zi1w== X-Gm-Message-State: AA+aEWa8LXQAEPLA23/8lWI30em94dWijldZ0yCNUj9+fVac4wqkat0g wvWwXu5gmViZPzG6XhomjW0F9w== X-Google-Smtp-Source: AFSGD/UwmKMdg2nPnO8l0EUsyI6njKhcGz+iifm35gaVzCFm6IDgqrReJ2YZg9krkFsWcFpkLoMF5Q== X-Received: by 2002:a5d:4d11:: with SMTP id z17mr6457303wrt.209.1542821267485; Wed, 21 Nov 2018 09:27:47 -0800 (PST) Received: from lpoulain-ThinkPad-T470p.home (atoulouse-654-1-394-222.w90-55.abo.wanadoo.fr. [90.55.193.222]) by smtp.gmail.com with ESMTPSA id f15sm1065423wrt.10.2018.11.21.09.27.46 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 21 Nov 2018 09:27:46 -0800 (PST) From: Loic Poulain To: wim@linux-watchdog.org, linux@roeck-us.net, robh+dt@kernel.org Cc: linux-arm-msm@vger.kernel.org, linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, andy.gross@linaro.org, Loic Poulain Subject: [PATCH v2 1/3] watchdog: Add pm8916 watchdog driver Date: Wed, 21 Nov 2018 18:27:42 +0100 Message-Id: <1542821264-9200-1-git-send-email-loic.poulain@linaro.org> X-Mailer: git-send-email 2.7.4 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The PM816 module is a versatile PMIC with many diverse functions integrated, including, a watchdog. This watchdog is subcomponent of the PON (Power On) peripheral, in the same way as pwrkey/resin buttons. It works with two timers (2-stages), the first one generates an IRQ to the main SoC (APQ8016/MSM8916), the second one performs the reset. This driver expects the following device hierarchy: [pm8916]->[pm8916-pon]->[pm8916-wdt] It uses the pm8916 regmap to access PM8916 registers. Signed-off-by: Loic Poulain --- v2: SPDX license headers ordering coding styles / tabs / multi-line comments pretimeout / bark interrupt WDIOF_MAGICCLOSE flag timeout init via fdt devm usage drivers/watchdog/Kconfig | 8 ++ drivers/watchdog/Makefile | 1 + drivers/watchdog/pm8916_wdt.c | 214 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 223 insertions(+) create mode 100644 drivers/watchdog/pm8916_wdt.c diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 2d64333..ef2c2b5 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -847,6 +847,14 @@ config SPRD_WATCHDOG Say Y here to include watchdog timer supported by Spreadtrum system. +config PM8916_WATCHDOG + tristate "QCOM PM8916 pmic watchdog" + depends on OF && MFD_SPMI_PMIC + select WATCHDOG_CORE + help + Say Y here to include support watchdog timer embedded into the + pm8916 module. + # X86 (i386 + ia64 + x86_64) Architecture config ACQUIRE_WDT diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index f69cdff..cc90e72 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -92,6 +92,7 @@ obj-$(CONFIG_STM32_WATCHDOG) += stm32_iwdg.o obj-$(CONFIG_UNIPHIER_WATCHDOG) += uniphier_wdt.o obj-$(CONFIG_RTD119X_WATCHDOG) += rtd119x_wdt.o obj-$(CONFIG_SPRD_WATCHDOG) += sprd_wdt.o +obj-$(CONFIG_PM8916_WATCHDOG) += pm8916_wdt.o # X86 (i386 + ia64 + x86_64) Architecture obj-$(CONFIG_ACQUIRE_WDT) += acquirewdt.o diff --git a/drivers/watchdog/pm8916_wdt.c b/drivers/watchdog/pm8916_wdt.c new file mode 100644 index 0000000..25d1110 --- /dev/null +++ b/drivers/watchdog/pm8916_wdt.c @@ -0,0 +1,214 @@ +// SPDX-License-Identifier: GPL-2.0 +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define PON_INT_RT_STS 0x10 +#define PMIC_WD_BARK_STS_BIT BIT(6) + +#define PON_PMIC_WD_RESET_S1_TIMER 0x54 +#define PON_PMIC_WD_RESET_S2_TIMER 0x55 + +#define PON_PMIC_WD_RESET_S2_CTL 0x56 +#define RESET_TYPE_WARM 0x01 +#define RESET_TYPE_SHUTDOWN 0x04 +#define RESET_TYPE_HARD 0x07 + +#define PON_PMIC_WD_RESET_S2_CTL2 0x57 +#define S2_RESET_EN_BIT BIT(7) + +#define PON_PMIC_WD_RESET_PET 0x58 +#define WATCHDOG_PET_BIT BIT(0) + +#define PM8916_WDT_DEFAULT_TIMEOUT 32 +#define PM8916_WDT_MIN_TIMEOUT 1 +#define PM8916_WDT_MAX_TIMEOUT 127 + +struct pm8916_wdt { + struct device *dev; + struct regmap *regmap; + struct watchdog_device wdev; + u32 baseaddr; + int irq; +}; + +static int pm8916_wdt_start(struct watchdog_device *wdev) +{ + struct pm8916_wdt *wdt = watchdog_get_drvdata(wdev); + + return regmap_update_bits(wdt->regmap, + wdt->baseaddr + PON_PMIC_WD_RESET_S2_CTL2, + S2_RESET_EN_BIT, S2_RESET_EN_BIT); +} + +static int pm8916_wdt_stop(struct watchdog_device *wdev) +{ + struct pm8916_wdt *wdt = watchdog_get_drvdata(wdev); + + return regmap_update_bits(wdt->regmap, + wdt->baseaddr + PON_PMIC_WD_RESET_S2_CTL2, + S2_RESET_EN_BIT, 0); +} + +static int pm8916_wdt_ping(struct watchdog_device *wdev) +{ + struct pm8916_wdt *wdt = watchdog_get_drvdata(wdev); + + return regmap_update_bits(wdt->regmap, + wdt->baseaddr + PON_PMIC_WD_RESET_PET, + WATCHDOG_PET_BIT, WATCHDOG_PET_BIT); +} + +static int pm8916_wdt_configure_timers(struct watchdog_device *wdev) +{ + struct pm8916_wdt *wdt = watchdog_get_drvdata(wdev); + int err; + + err = regmap_write(wdt->regmap, + wdt->baseaddr + PON_PMIC_WD_RESET_S1_TIMER, + wdev->timeout - wdev->pretimeout); + if (err) + return err; + + return regmap_write(wdt->regmap, + wdt->baseaddr + PON_PMIC_WD_RESET_S2_TIMER, + wdev->pretimeout); +} + +static int pm8916_wdt_set_timeout(struct watchdog_device *wdev, + unsigned int timeout) +{ + wdev->timeout = timeout; + + return pm8916_wdt_configure_timers(wdev); +} + +static int pm8916_wdt_set_pretimeout(struct watchdog_device *wdev, + unsigned int pretimeout) +{ + wdev->pretimeout = pretimeout; + + return pm8916_wdt_configure_timers(wdev); +} + +static irqreturn_t pm8916_wdt_isr(int irq, void *arg) +{ + struct pm8916_wdt *wdt = arg; + int err, sts; + + err = regmap_read(wdt->regmap, wdt->baseaddr + PON_INT_RT_STS, &sts); + if (err) + return IRQ_HANDLED; + + if (sts & PMIC_WD_BARK_STS_BIT) + watchdog_notify_pretimeout(&wdt->wdev); + + return IRQ_HANDLED; +} + +static const struct watchdog_info pm8916_wdt_ident = { + .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE, + .identity = "QCOM PM8916 PON WDT", +}; + +static const struct watchdog_info pm8916_wdt_pt_ident = { + .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE | + WDIOF_PRETIMEOUT, + .identity = "QCOM PM8916 PON WDT", +}; + +static const struct watchdog_ops pm8916_wdt_ops = { + .owner = THIS_MODULE, + .start = pm8916_wdt_start, + .stop = pm8916_wdt_stop, + .ping = pm8916_wdt_ping, + .set_timeout = pm8916_wdt_set_timeout, + .set_pretimeout = pm8916_wdt_set_pretimeout, +}; + +static int pm8916_wdt_probe(struct platform_device *pdev) +{ + struct pm8916_wdt *wdt; + struct device *parent; + int err, irq; + + wdt = devm_kzalloc(&pdev->dev, sizeof(*wdt), GFP_KERNEL); + if (!wdt) + return -ENOMEM; + + wdt->dev = &pdev->dev; + parent = pdev->dev.parent; + + /* + * The pm8916-pon-wdt is a child of the pon device, which is a child + * of the pm8916 mfd device. We want access to the pm8916 registers. + * Retrieve regmap from pm8916 (parent->parent) and base address + * from pm8916-pon (pon). + */ + wdt->regmap = dev_get_regmap(parent->parent, NULL); + if (!wdt->regmap) { + dev_err(&pdev->dev, "failed to locate regmap\n"); + return -ENODEV; + } + + err = device_property_read_u32(parent, "reg", &wdt->baseaddr); + if (err) { + dev_err(&pdev->dev, "failed to get pm8916-pon address\n"); + return err; + } + + irq = platform_get_irq(pdev, 0); + if (irq > 0) { + if (!devm_request_irq(&pdev->dev, irq, pm8916_wdt_isr, 0, + "pm8916_wdt", wdt)) + wdt->irq = irq; + } + + /* Configure watchdog to hard-reset mode */ + err = regmap_write(wdt->regmap, + wdt->baseaddr + PON_PMIC_WD_RESET_S2_CTL, + RESET_TYPE_HARD); + if (err) { + dev_err(&pdev->dev, "failed configure watchdog\n"); + return err; + } + + wdt->wdev.info = wdt->irq ? &pm8916_wdt_pt_ident : &pm8916_wdt_ident, + wdt->wdev.ops = &pm8916_wdt_ops, + wdt->wdev.parent = &pdev->dev; + wdt->wdev.min_timeout = PM8916_WDT_MIN_TIMEOUT; + wdt->wdev.max_timeout = PM8916_WDT_MAX_TIMEOUT; + wdt->wdev.timeout = PM8916_WDT_DEFAULT_TIMEOUT; + wdt->wdev.pretimeout = 0; + watchdog_set_drvdata(&wdt->wdev, wdt); + + watchdog_init_timeout(&wdt->wdev, 0, &pdev->dev); + pm8916_wdt_configure_timers(&wdt->wdev); + + return devm_watchdog_register_device(&pdev->dev, &wdt->wdev); +} + +static const struct of_device_id pm8916_wdt_id_table[] = { + { .compatible = "qcom,pm8916-wdt" }, + { } +}; +MODULE_DEVICE_TABLE(of, pm8916_wdt_id_table); + +static struct platform_driver pm8916_wdt_driver = { + .probe = pm8916_wdt_probe, + .driver = { + .name = "pm8916-wdt", + .of_match_table = of_match_ptr(pm8916_wdt_id_table), + }, +}; +module_platform_driver(pm8916_wdt_driver); + +MODULE_AUTHOR("Loic Poulain "); +MODULE_DESCRIPTION("Qualcomm pm8916 watchdog driver"); +MODULE_LICENSE("GPL v2"); From patchwork Wed Nov 21 17:27:43 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Loic Poulain X-Patchwork-Id: 10692867 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A27A717FE for ; Wed, 21 Nov 2018 17:27:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 86C8A2C1E5 for ; Wed, 21 Nov 2018 17:27:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7AA902C503; Wed, 21 Nov 2018 17:27:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1BD1D2C2E1 for ; Wed, 21 Nov 2018 17:27:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729651AbeKVEDI (ORCPT ); Wed, 21 Nov 2018 23:03:08 -0500 Received: from mail-wm1-f68.google.com ([209.85.128.68]:39181 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729303AbeKVEDI (ORCPT ); Wed, 21 Nov 2018 23:03:08 -0500 Received: by mail-wm1-f68.google.com with SMTP id u13-v6so6587776wmc.4 for ; Wed, 21 Nov 2018 09:27:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=p5l6i/iQQTVQZRXcGWIjj6XB1A/847V8QkxrdF6kDZI=; b=Zetk12bFkZbM7r3E03tlGMVRZcKn1LMJZpsVVgu7xXudLcJTUfh2P2cPULdA5RvfDg uXNOMBiBdXq1xBNSdsV4S80D7zhthe30IgFA7XzlnkCSnJzibsfwVN+Ad8ky29jrhlHI bVuDdAPmAOccHULVoPxSIUw1pANVa6jf9Ij2M= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=p5l6i/iQQTVQZRXcGWIjj6XB1A/847V8QkxrdF6kDZI=; b=QzxIQ8ez1qSRqeHeq42sErRls9E8omHyckYM3Nhxr52hKKC+NVeOgrvdsjE3Jz+yyM +I3tL0PbQnH1mU7qyPJ4YJze1YUl/sfyrgkAIdaHQwNNjHdUMglUnpUM9ySNaAQXtC3w r+vi9JDI24tH22GAbCTt9Uk6KFY2YUYNQ0ZFiYsufcSyIE48F2KYDzuBM8SwCr1GLD0O y4e/XJmIfP7QubjydeDUVzDTJ2lfxKTVLHulppbCLPF5DPB6zvayC9DoWg+vQMDOyTcN iIZBYtJv10gQCjChmh+vSY7bUn/fB0Q1vmSp2gWMblcAczBKF4Od7NYgX0UtEhR7T8hz y+bw== X-Gm-Message-State: AA+aEWb3Vq2VaUrfeSiTsn8UUYrqdhITfJMaHrBruJ9meSwOuS9AQpNG Yqj6aZOwxw3//tMM9IFz5QDNfQ== X-Google-Smtp-Source: AJdET5dcriPG+JtMlrNk0xBQKYtoa4HDD7cPexTJBPk8bAAccqwMhRw9Fn6WbMeYjNsJW0AP0+EbLQ== X-Received: by 2002:a1c:18c:: with SMTP id 134mr6346848wmb.94.1542821269671; Wed, 21 Nov 2018 09:27:49 -0800 (PST) Received: from lpoulain-ThinkPad-T470p.home (atoulouse-654-1-394-222.w90-55.abo.wanadoo.fr. [90.55.193.222]) by smtp.gmail.com with ESMTPSA id f15sm1065423wrt.10.2018.11.21.09.27.48 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 21 Nov 2018 09:27:49 -0800 (PST) From: Loic Poulain To: wim@linux-watchdog.org, linux@roeck-us.net, robh+dt@kernel.org Cc: linux-arm-msm@vger.kernel.org, linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, andy.gross@linaro.org, Loic Poulain Subject: [PATCH v2 2/3] dt-bindings: watchdog: Add Qualcomm PM8916 watchdog Date: Wed, 21 Nov 2018 18:27:43 +0100 Message-Id: <1542821264-9200-2-git-send-email-loic.poulain@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1542821264-9200-1-git-send-email-loic.poulain@linaro.org> References: <1542821264-9200-1-git-send-email-loic.poulain@linaro.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Document support for the Watchdog Timer (WDT) Controller in the Qualcomm PM8916 PMIC module. Signed-off-by: Loic Poulain --- v2: Add interrupts and timeout-sec props .../bindings/watchdog/qcom,pm8916-wdt.txt | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/qcom,pm8916-wdt.txt diff --git a/Documentation/devicetree/bindings/watchdog/qcom,pm8916-wdt.txt b/Documentation/devicetree/bindings/watchdog/qcom,pm8916-wdt.txt new file mode 100644 index 0000000..8a0d304 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/qcom,pm8916-wdt.txt @@ -0,0 +1,29 @@ +QCOM PM8916 watchdog timer controller + +This pm8916 watchdog timer controller must be under pm8916-pon node. + +Required properties: +- compatible: should be "qcom,pm8916-wdt" + +Optional properties : +- interrupts : interrupt for pre-timeout (bark) +- timeout-sec : shall contain the default watchdog timeout in seconds, + if unset, the default timeout is 30 seconds + +Example: + + pm8916_0: pm8916@0 { + compatible = "qcom,pm8916", "qcom,spmi-pmic"; + reg = <0x0 SPMI_USID>; + + pon@800 { + compatible = "qcom,pm8916-pon"; + reg = <0x800>; + + watchdog { + compatible = "qcom,pm8916-wdt"; + interrupts = <0x0 0x8 6 IRQ_TYPE_EDGE_RISING>; + timeout-sec = <10>; + }; + }; + }; From patchwork Wed Nov 21 17:27:44 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Loic Poulain X-Patchwork-Id: 10692869 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 517DA5A4 for ; Wed, 21 Nov 2018 17:27:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 32C882C1E5 for ; Wed, 21 Nov 2018 17:27:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 272912C4C3; Wed, 21 Nov 2018 17:27:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BA0682C1E5 for ; Wed, 21 Nov 2018 17:27:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732238AbeKVEDK (ORCPT ); Wed, 21 Nov 2018 23:03:10 -0500 Received: from mail-wm1-f68.google.com ([209.85.128.68]:54901 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729665AbeKVEDK (ORCPT ); Wed, 21 Nov 2018 23:03:10 -0500 Received: by mail-wm1-f68.google.com with SMTP id r63-v6so6365632wma.4 for ; Wed, 21 Nov 2018 09:27:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=0GF47o1RZ6FumYGmsfb2MBxaOSgeiCBGqUODrEGpVNQ=; b=fLh6uhWJESvaCJlbuNCQh4IsPTjL0zyBKK05Gkv/h+lvGMEpiqaaIwrX4LwG5YjpbU 2tzCyxsz8LtQ/A8YNqh9MrIAm8jcUe+1QNoRMVE6HfhHSlALyomM11XNjRk8ryhag34Y Sj3ZI2sepGA/1Nxs9NUCwbfP3zV4zLPvbvqs4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=0GF47o1RZ6FumYGmsfb2MBxaOSgeiCBGqUODrEGpVNQ=; b=ZFuEH65agK41aQ8v7J403gFOiLh8XKqA7P4ZmO0NwM/pJ4Yklit6HA2oVmAXORqX/O X7poJmw00FFHazxj1KaTBEB4lldA7V7e1FXPcgF26PV+vF1hcsfxy7BGicABEQ06SzmF xy+NpRcnOe+LjC6RmlKeeR2NJ+xtlYzc33yy+ncXLwoaBxvh3O6exRzDzPJhkZaxfrWE R+84nlZ/7D9s0gYhm5H4r2Iy1YuQCo7v7L5m+hFu0nbRxWEmpN0UG/z4nQKQqlCiYONb Ap3My9Rl/JghygEWz96Uk5pXDN5aEf73d5HAgKBgEHnLr/guPay8jKjQluJlVr4c6l7R cocw== X-Gm-Message-State: AA+aEWalQYOwj2hzC4NfNT3gt7lARqgUG5+UMm5UzvAewYtfmlu/vzet cN816tsDyijuiyvGAAf+gOtUbQ== X-Google-Smtp-Source: AFSGD/V2nFjbv52sLN9gZhfMQXGzbo9hdkOo7em1VT/Jf0hEir5F0Cbm2HkVzSA4ydgZOndLO8Fq5w== X-Received: by 2002:a7b:c34b:: with SMTP id l11mr7080844wmj.30.1542821271402; Wed, 21 Nov 2018 09:27:51 -0800 (PST) Received: from lpoulain-ThinkPad-T470p.home (atoulouse-654-1-394-222.w90-55.abo.wanadoo.fr. [90.55.193.222]) by smtp.gmail.com with ESMTPSA id f15sm1065423wrt.10.2018.11.21.09.27.50 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 21 Nov 2018 09:27:50 -0800 (PST) From: Loic Poulain To: wim@linux-watchdog.org, linux@roeck-us.net, robh+dt@kernel.org Cc: linux-arm-msm@vger.kernel.org, linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, andy.gross@linaro.org, Loic Poulain Subject: [PATCH v2 3/3] arm64: dts: qcom: pm8916: Add PON watchdog node Date: Wed, 21 Nov 2018 18:27:44 +0100 Message-Id: <1542821264-9200-3-git-send-email-loic.poulain@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1542821264-9200-1-git-send-email-loic.poulain@linaro.org> References: <1542821264-9200-1-git-send-email-loic.poulain@linaro.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add watchdog child node to the PM8916 PON device. Signed-off-by: Loic Poulain --- v2: add timeout and interrupts arch/arm64/boot/dts/qcom/pm8916.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/pm8916.dtsi b/arch/arm64/boot/dts/qcom/pm8916.dtsi index a05ebaf..3230b88 100644 --- a/arch/arm64/boot/dts/qcom/pm8916.dtsi +++ b/arch/arm64/boot/dts/qcom/pm8916.dtsi @@ -32,6 +32,12 @@ bias-pull-up; linux,code = ; }; + + watchdog { + compatible = "qcom,pm8916-wdt"; + interrupts = <0x0 0x8 6 IRQ_TYPE_EDGE_RISING>; + timeout-sec = <60>; + }; }; pm8916_gpios: gpios@c000 {