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[209.132.180.67]) by mx.google.com with ESMTP id o10-v6si11097303pgp.153.2018.06.24.23.39.19 for ; Sun, 24 Jun 2018 23:39:19 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-input-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@linaro.org header.s=google header.b="krrAUO/P"; spf=pass (google.com: best guess record for domain of linux-input-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-input-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752329AbeFYGjR (ORCPT ); Mon, 25 Jun 2018 02:39:17 -0400 Received: from mail-pf0-f196.google.com ([209.85.192.196]:36587 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752300AbeFYGjP (ORCPT ); Mon, 25 Jun 2018 02:39:15 -0400 Received: by mail-pf0-f196.google.com with SMTP id u16-v6so2231288pfh.3 for ; Sun, 24 Jun 2018 23:39:15 -0700 (PDT) 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=OvZC+iAk90+3pa9pj8b6XSCL3EwRDiVMa/jXFWEGz1I=; b=krrAUO/P2syTCSsyLurJPSrtKDwP0wDMU0LoO9YkqxmlBw+Frw2GV8h1TK0oeHB7G1 zUXhs3iwjHmg05ZAzNjSa91+VQ+eBqpyT+5ZPX2tX25dNALBuzSYb14SChsqxQg0TFhY Job8/QNuDwMo1WUuev4TdPd9xqsNG2LuIzRNA= 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=OvZC+iAk90+3pa9pj8b6XSCL3EwRDiVMa/jXFWEGz1I=; b=ABqXdYqoFiVZXtycXzzw2LA9sfdGohVFWAiaQzqfDE/olvWy4kfHQdmZSeAeyOp/3I YkEM8Zv8lVL3lPr2vCu7HJyC0eVch7I8oYvASQTZnYWyDPdAPGTAXmsXleEDR2dNDJeD fvHLokFgQ3gKYUmJBizUeO6B7eD03iRi2lJIpk+yE87xGR7V+o0iGYP48mnYGcd9mFN/ Ryiaou2JXW5+De0ELq7Hu2CfbVqZRIQuZ4J7J7It8GsedWk87Gpq4mkbpfnrMu3lDxr6 OBo1v09rQfZRCg5yGHacWxcTSrcoCe2OGLtzbcpAJHxYeIRKqtTegXjhldUho9viCzCO irRQ== X-Gm-Message-State: APt69E1/JsrNVGuJ43eiNnwetaeO4g02bAajphPZ3S60Z3/0NkNd5M9P gYhdvxHIjT/jAw+m58ehtJpTlZVKC14= X-Received: by 2002:a65:43cb:: with SMTP id n11-v6mr9470297pgp.234.1529908754883; Sun, 24 Jun 2018 23:39:14 -0700 (PDT) Received: from localhost.localdomain ([223.226.41.70]) by smtp.gmail.com with ESMTPSA id a10-v6sm18271742pgw.90.2018.06.24.23.39.12 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sun, 24 Jun 2018 23:39:14 -0700 (PDT) From: Vinod Koul X-Google-Original-From: Vinod Koul To: linux-input@vger.kernel.org, linux-pm@vger.kernel.org Cc: Bjorn Andersson , Dmitry Torokhov , Rob Herring , Sebastian Reichel , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, Vinod Koul Subject: [PATCH v3 2/5] power: reset: qcom-pon: Add Qcom PON driver Date: Mon, 25 Jun 2018 12:08:37 +0530 Message-Id: <20180625063840.30173-3-vkoul@kernel.org> X-Mailer: git-send-email 2.14.4 In-Reply-To: <20180625063840.30173-1-vkoul@kernel.org> References: <20180625063840.30173-1-vkoul@kernel.org> Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Add support Qualcomm PM8xxx PON which is responsible for reboot mode support. Co-developed-by: Bjorn Andersson Signed-off-by: Bjorn Andersson Signed-off-by: Vinod Koul --- drivers/power/reset/Kconfig | 8 ++++ drivers/power/reset/Makefile | 1 + drivers/power/reset/qcom-pon.c | 91 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 100 insertions(+) create mode 100644 drivers/power/reset/qcom-pon.c -- 2.14.4 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig index df58fc878b3e..1572b2d3ad3d 100644 --- a/drivers/power/reset/Kconfig +++ b/drivers/power/reset/Kconfig @@ -104,6 +104,14 @@ config POWER_RESET_MSM help Power off and restart support for Qualcomm boards. +config POWER_RESET_QCOM_PON + bool "Qualcomm power-on driver" + depends on ARCH_QCOM + depends on MFD_SPMI_PMIC + select REBOOT_MODE + help + Power On support for Qualcomm boards. + config POWER_RESET_OCELOT_RESET bool "Microsemi Ocelot reset driver" depends on MSCC_OCELOT || COMPILE_TEST diff --git a/drivers/power/reset/Makefile b/drivers/power/reset/Makefile index 7778c7485cf1..0aebee954ac1 100644 --- a/drivers/power/reset/Makefile +++ b/drivers/power/reset/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_POWER_RESET_GPIO) += gpio-poweroff.o obj-$(CONFIG_POWER_RESET_GPIO_RESTART) += gpio-restart.o obj-$(CONFIG_POWER_RESET_HISI) += hisi-reboot.o obj-$(CONFIG_POWER_RESET_MSM) += msm-poweroff.o +obj-$(CONFIG_POWER_RESET_QCOM_PON) += qcom-pon.o obj-$(CONFIG_POWER_RESET_OCELOT_RESET) += ocelot-reset.o obj-$(CONFIG_POWER_RESET_PIIX4_POWEROFF) += piix4-poweroff.o obj-$(CONFIG_POWER_RESET_LTC2952) += ltc2952-poweroff.o diff --git a/drivers/power/reset/qcom-pon.c b/drivers/power/reset/qcom-pon.c new file mode 100644 index 000000000000..0c4caaa7e88f --- /dev/null +++ b/drivers/power/reset/qcom-pon.c @@ -0,0 +1,91 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2017-18 Linaro Limited + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define PON_SOFT_RB_SPARE 0x8f + +struct pm8916_pon { + struct device *dev; + struct regmap *regmap; + u32 baseaddr; + struct reboot_mode_driver reboot_mode; +}; + +static int pm8916_reboot_mode_write(struct reboot_mode_driver *reboot, + unsigned int magic) +{ + struct pm8916_pon *pon = container_of + (reboot, struct pm8916_pon, reboot_mode); + int ret; + + ret = regmap_update_bits(pon->regmap, + pon->baseaddr + PON_SOFT_RB_SPARE, + 0xfc, magic << 2); + if (ret < 0) + dev_err(pon->dev, "update reboot mode bits failed\n"); + + return ret; +} + +static int pm8916_pon_probe(struct platform_device *pdev) +{ + struct pm8916_pon *pon; + int error; + + pon = devm_kzalloc(&pdev->dev, sizeof(*pon), GFP_KERNEL); + if (!pon) + return -ENOMEM; + + pon->dev = &pdev->dev; + + pon->regmap = dev_get_regmap(pdev->dev.parent, NULL); + if (!pon->regmap) { + dev_err(&pdev->dev, "failed to locate regmap\n"); + return -ENODEV; + } + + error = of_property_read_u32(pdev->dev.of_node, "reg", + &pon->baseaddr); + if (error) + return error; + + pon->reboot_mode.dev = &pdev->dev; + pon->reboot_mode.write = pm8916_reboot_mode_write; + error = devm_reboot_mode_register(&pdev->dev, &pon->reboot_mode); + if (error) { + dev_err(&pdev->dev, "can't register reboot mode\n"); + return error; + } + + platform_set_drvdata(pdev, pon); + + return devm_of_platform_populate(&pdev->dev); +} + +static const struct of_device_id pm8916_pon_id_table[] = { + { .compatible = "qcom,pm8916-pon" }, + { } +}; +MODULE_DEVICE_TABLE(of, pm8916_pon_id_table); + +static struct platform_driver pm8916_pon_driver = { + .probe = pm8916_pon_probe, + .driver = { + .name = "pm8916-pon", + .of_match_table = of_match_ptr(pm8916_pon_id_table), + }, +}; +module_platform_driver(pm8916_pon_driver); + +MODULE_DESCRIPTION("pm8916 Power On driver"); +MODULE_LICENSE("GPL v2");