From patchwork Sat Feb 22 00:08:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11397707 X-Patchwork-Delegate: daniel.lezcano@linaro.org 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 D467917EF for ; Sat, 22 Feb 2020 00:15:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B37E124672 for ; Sat, 22 Feb 2020 00:15:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726697AbgBVAPM (ORCPT ); Fri, 21 Feb 2020 19:15:12 -0500 Received: from inva021.nxp.com ([92.121.34.21]:38572 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726613AbgBVAPL (ORCPT ); Fri, 21 Feb 2020 19:15:11 -0500 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 7AA602084BB; Sat, 22 Feb 2020 01:15:09 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 6661F200E2F; Sat, 22 Feb 2020 01:14:53 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id DA4A5402B0; Sat, 22 Feb 2020 08:14:39 +0800 (SGT) From: Anson Huang To: robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, catalin.marinas@arm.com, will@kernel.org, rui.zhang@intel.com, daniel.lezcano@linaro.org, amit.kucheria@verdurent.com, aisheng.dong@nxp.com, linux@roeck-us.net, srinivas.kandagatla@linaro.org, krzk@kernel.org, fugang.duan@nxp.com, peng.fan@nxp.com, daniel.baluta@nxp.com, bjorn.andersson@linaro.org, olof@lixom.net, dinguyen@kernel.org, leonard.crestez@nxp.com, marcin.juszkiewicz@linaro.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Cc: Linux-imx@nxp.com Subject: [PATCH V16 1/5] dt-bindings: fsl: scu: add thermal binding Date: Sat, 22 Feb 2020 08:08:48 +0800 Message-Id: <1582330132-13461-1-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org NXP i.MX8QXP is an ARMv8 SoC with a Cortex-M4 core inside as system controller, the system controller is in charge of system power, clock and thermal sensors etc. management, Linux kernel has to communicate with system controller via MU (message unit) IPC to get temperature from thermal sensors, this patch adds binding doc for i.MX system controller thermal driver. Signed-off-by: Anson Huang Reviewed-by: Rob Herring Reviewed-by: Dong Aisheng --- No change. --- .../devicetree/bindings/arm/freescale/fsl,scu.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt index e07735a8..7f42cc3 100644 --- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt +++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt @@ -166,6 +166,17 @@ Required properties: followed by "fsl,imx-sc-key"; - linux,keycodes: See Documentation/devicetree/bindings/input/keys.txt +Thermal bindings based on SCU Message Protocol +------------------------------------------------------------ + +Required properties: +- compatible: Should be : + "fsl,imx8qxp-sc-thermal" + followed by "fsl,imx-sc-thermal"; + +- #thermal-sensor-cells: See Documentation/devicetree/bindings/thermal/thermal.txt + for a description. + Example (imx8qxp): ------------- aliases { @@ -238,6 +249,11 @@ firmware { compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt"; timeout-sec = <60>; }; + + tsens: thermal-sensor { + compatible = "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-thermal"; + #thermal-sensor-cells = <1>; + }; }; }; From patchwork Sat Feb 22 00:08:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11397711 X-Patchwork-Delegate: daniel.lezcano@linaro.org 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 007DC1395 for ; Sat, 22 Feb 2020 00:15:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D3C41207FD for ; Sat, 22 Feb 2020 00:15:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726891AbgBVAPP (ORCPT ); Fri, 21 Feb 2020 19:15:15 -0500 Received: from inva021.nxp.com ([92.121.34.21]:38638 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726045AbgBVAPO (ORCPT ); Fri, 21 Feb 2020 19:15:14 -0500 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 80C2F200E2F; Sat, 22 Feb 2020 01:15:11 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 6D44C200E74; Sat, 22 Feb 2020 01:14:55 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id E1794402DD; Sat, 22 Feb 2020 08:14:41 +0800 (SGT) From: Anson Huang To: robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, catalin.marinas@arm.com, will@kernel.org, rui.zhang@intel.com, daniel.lezcano@linaro.org, amit.kucheria@verdurent.com, aisheng.dong@nxp.com, linux@roeck-us.net, srinivas.kandagatla@linaro.org, krzk@kernel.org, fugang.duan@nxp.com, peng.fan@nxp.com, daniel.baluta@nxp.com, bjorn.andersson@linaro.org, olof@lixom.net, dinguyen@kernel.org, leonard.crestez@nxp.com, marcin.juszkiewicz@linaro.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Cc: Linux-imx@nxp.com Subject: [PATCH V16 2/5] thermal: of-thermal: add API for getting sensor ID from DT Date: Sat, 22 Feb 2020 08:08:49 +0800 Message-Id: <1582330132-13461-2-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1582330132-13461-1-git-send-email-Anson.Huang@nxp.com> References: <1582330132-13461-1-git-send-email-Anson.Huang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org This patch adds new API thermal_zone_of_get_sensor_id() to provide the feature of getting sensor ID from DT thermal zone's node. It's useful for thermal driver to register the specific thermal zone devices from DT in a common way. Signed-off-by: Anson Huang Reviewed-by: Dong Aisheng --- Changes since V15: - Improve the logic of *id initializtion from sensor_specs.args_count. --- drivers/thermal/of-thermal.c | 62 ++++++++++++++++++++++++++++++++------------ include/linux/thermal.h | 10 +++++++ 2 files changed, 56 insertions(+), 16 deletions(-) diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c index ef0baa9..874a47d 100644 --- a/drivers/thermal/of-thermal.c +++ b/drivers/thermal/of-thermal.c @@ -449,6 +449,50 @@ thermal_zone_of_add_sensor(struct device_node *zone, } /** + * thermal_zone_of_get_sensor_id - get sensor ID from a DT thermal zone + * @tz_np: a valid thermal zone device node. + * @sensor_np: a sensor node of a valid sensor device. + * @id: the sensor ID returned if success. + * + * This function will get sensor ID from a given thermal zone node and + * the sensor node must match the temperature provider @sensor_np. + * + * Return: 0 on success, proper error code otherwise. + */ + +int thermal_zone_of_get_sensor_id(struct device_node *tz_np, + struct device_node *sensor_np, + u32 *id) +{ + struct of_phandle_args sensor_specs; + int ret; + + ret = of_parse_phandle_with_args(tz_np, + "thermal-sensors", + "#thermal-sensor-cells", + 0, + &sensor_specs); + if (ret) + return ret; + + if (sensor_specs.np != sensor_np) { + of_node_put(sensor_specs.np); + return -ENODEV; + } + + if (sensor_specs.args_count > 1) + pr_warn("%pOFn: too many cells in sensor specifier %d\n", + sensor_specs.np, sensor_specs.args_count); + + *id = sensor_specs.args_count ? sensor_specs.args[0] : 0; + + of_node_put(sensor_specs.np); + + return 0; +} +EXPORT_SYMBOL_GPL(thermal_zone_of_get_sensor_id); + +/** * thermal_zone_of_sensor_register - registers a sensor to a DT thermal zone * @dev: a valid struct device pointer of a sensor device. Must contain * a valid .of_node, for the sensor node. @@ -499,36 +543,22 @@ thermal_zone_of_sensor_register(struct device *dev, int sensor_id, void *data, sensor_np = of_node_get(dev->of_node); for_each_available_child_of_node(np, child) { - struct of_phandle_args sensor_specs; int ret, id; /* For now, thermal framework supports only 1 sensor per zone */ - ret = of_parse_phandle_with_args(child, "thermal-sensors", - "#thermal-sensor-cells", - 0, &sensor_specs); + ret = thermal_zone_of_get_sensor_id(child, sensor_np, &id); if (ret) continue; - if (sensor_specs.args_count >= 1) { - id = sensor_specs.args[0]; - WARN(sensor_specs.args_count > 1, - "%pOFn: too many cells in sensor specifier %d\n", - sensor_specs.np, sensor_specs.args_count); - } else { - id = 0; - } - - if (sensor_specs.np == sensor_np && id == sensor_id) { + if (id == sensor_id) { tzd = thermal_zone_of_add_sensor(child, sensor_np, data, ops); if (!IS_ERR(tzd)) tzd->ops->set_mode(tzd, THERMAL_DEVICE_ENABLED); - of_node_put(sensor_specs.np); of_node_put(child); goto exit; } - of_node_put(sensor_specs.np); } exit: of_node_put(sensor_np); diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 126913c6..53e6f67 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -364,6 +364,9 @@ struct thermal_trip { /* Function declarations */ #ifdef CONFIG_THERMAL_OF +int thermal_zone_of_get_sensor_id(struct device_node *tz_np, + struct device_node *sensor_np, + u32 *id); struct thermal_zone_device * thermal_zone_of_sensor_register(struct device *dev, int id, void *data, const struct thermal_zone_of_device_ops *ops); @@ -375,6 +378,13 @@ struct thermal_zone_device *devm_thermal_zone_of_sensor_register( void devm_thermal_zone_of_sensor_unregister(struct device *dev, struct thermal_zone_device *tz); #else + +static int thermal_zone_of_get_sensor_id(struct device_node *tz_np, + struct device_node *sensor_np, + u32 *id) +{ + return -ENOENT; +} static inline struct thermal_zone_device * thermal_zone_of_sensor_register(struct device *dev, int id, void *data, const struct thermal_zone_of_device_ops *ops) From patchwork Sat Feb 22 00:08:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11397719 X-Patchwork-Delegate: daniel.lezcano@linaro.org 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 7D41B1395 for ; Sat, 22 Feb 2020 00:15:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5DC422465D for ; Sat, 22 Feb 2020 00:15:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727312AbgBVAP2 (ORCPT ); Fri, 21 Feb 2020 19:15:28 -0500 Received: from inva021.nxp.com ([92.121.34.21]:38904 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727213AbgBVAP1 (ORCPT ); Fri, 21 Feb 2020 19:15:27 -0500 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 1CAC7200E74; Sat, 22 Feb 2020 01:15:25 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 6B42C201B3A; Sat, 22 Feb 2020 01:15:09 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id E6996402E0; Sat, 22 Feb 2020 08:14:43 +0800 (SGT) From: Anson Huang To: robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, catalin.marinas@arm.com, will@kernel.org, rui.zhang@intel.com, daniel.lezcano@linaro.org, amit.kucheria@verdurent.com, aisheng.dong@nxp.com, linux@roeck-us.net, srinivas.kandagatla@linaro.org, krzk@kernel.org, fugang.duan@nxp.com, peng.fan@nxp.com, daniel.baluta@nxp.com, bjorn.andersson@linaro.org, olof@lixom.net, dinguyen@kernel.org, leonard.crestez@nxp.com, marcin.juszkiewicz@linaro.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Cc: Linux-imx@nxp.com Subject: [PATCH V16 3/5] thermal: imx_sc: add i.MX system controller thermal support Date: Sat, 22 Feb 2020 08:08:50 +0800 Message-Id: <1582330132-13461-3-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1582330132-13461-1-git-send-email-Anson.Huang@nxp.com> References: <1582330132-13461-1-git-send-email-Anson.Huang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org i.MX8QXP is an ARMv8 SoC which has a Cortex-M4 system controller inside, the system controller is in charge of controlling power, clock and thermal sensors etc.. This patch adds i.MX system controller thermal driver support, Linux kernel has to communicate with system controller via MU (message unit) IPC to get each thermal sensor's temperature, it supports multiple sensors which are passed from device tree, please see the binding doc for details. Signed-off-by: Anson Huang --- Changes since V15: - Improve the compile dependency; - Fix the copyright year; - Add .remove callback. --- drivers/thermal/Kconfig | 11 +++ drivers/thermal/Makefile | 1 + drivers/thermal/imx_sc_thermal.c | 148 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 160 insertions(+) create mode 100644 drivers/thermal/imx_sc_thermal.c diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index 5a05db5..3502ee8 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -251,6 +251,17 @@ config IMX_THERMAL cpufreq is used as the cooling device to throttle CPUs when the passive trip is crossed. +config IMX_SC_THERMAL + tristate "Temperature sensor driver for NXP i.MX SoCs with System Controller" + depends on IMX_SCU || COMPILE_TEST + depends on OF + help + Support for Temperature Monitor (TEMPMON) found on NXP i.MX SoCs with + system controller inside, Linux kernel has to communicate with system + controller via MU (message unit) IPC to get temperature from thermal + sensor. It supports one critical trip point and one + passive trip point for each thermal sensor. + config MAX77620_THERMAL tristate "Temperature sensor driver for Maxim MAX77620 PMIC" depends on MFD_MAX77620 diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile index 9fb88e2..a11a6d8 100644 --- a/drivers/thermal/Makefile +++ b/drivers/thermal/Makefile @@ -43,6 +43,7 @@ obj-$(CONFIG_DB8500_THERMAL) += db8500_thermal.o obj-$(CONFIG_ARMADA_THERMAL) += armada_thermal.o obj-$(CONFIG_TANGO_THERMAL) += tango_thermal.o obj-$(CONFIG_IMX_THERMAL) += imx_thermal.o +obj-$(CONFIG_IMX_SC_THERMAL) += imx_sc_thermal.o obj-$(CONFIG_MAX77620_THERMAL) += max77620_thermal.o obj-$(CONFIG_QORIQ_THERMAL) += qoriq_thermal.o obj-$(CONFIG_DA9062_THERMAL) += da9062-thermal.o diff --git a/drivers/thermal/imx_sc_thermal.c b/drivers/thermal/imx_sc_thermal.c new file mode 100644 index 0000000..4955dfd --- /dev/null +++ b/drivers/thermal/imx_sc_thermal.c @@ -0,0 +1,148 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2018-2020 NXP. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "thermal_core.h" + +#define IMX_SC_MISC_FUNC_GET_TEMP 13 + +static struct imx_sc_ipc *thermal_ipc_handle; + +struct imx_sc_sensor { + struct thermal_zone_device *tzd; + u32 resource_id; +}; + +struct req_get_temp { + u16 resource_id; + u8 type; +} __packed; + +struct resp_get_temp { + u16 celsius; + u8 tenths; +} __packed; + +struct imx_sc_msg_misc_get_temp { + struct imx_sc_rpc_msg hdr; + union { + struct req_get_temp req; + struct resp_get_temp resp; + } data; +}; + +static int imx_sc_thermal_get_temp(void *data, int *temp) +{ + struct imx_sc_msg_misc_get_temp msg; + struct imx_sc_rpc_msg *hdr = &msg.hdr; + struct imx_sc_sensor *sensor = data; + int ret; + + msg.data.req.resource_id = sensor->resource_id; + msg.data.req.type = IMX_SC_C_TEMP; + + hdr->ver = IMX_SC_RPC_VERSION; + hdr->svc = IMX_SC_RPC_SVC_MISC; + hdr->func = IMX_SC_MISC_FUNC_GET_TEMP; + hdr->size = 2; + + ret = imx_scu_call_rpc(thermal_ipc_handle, &msg, true); + if (ret) { + dev_err(&sensor->tzd->device, "read temp sensor %d failed, ret %d\n", + sensor->resource_id, ret); + return ret; + } + + *temp = msg.data.resp.celsius * 1000 + msg.data.resp.tenths * 100; + + return 0; +} + +static const struct thermal_zone_of_device_ops imx_sc_thermal_ops = { + .get_temp = imx_sc_thermal_get_temp, +}; + +static int imx_sc_thermal_probe(struct platform_device *pdev) +{ + struct device_node *np, *child, *sensor_np; + struct imx_sc_sensor *sensor; + int ret; + + ret = imx_scu_get_handle(&thermal_ipc_handle); + if (ret) + return ret; + + np = of_find_node_by_name(NULL, "thermal-zones"); + if (!np) + return -ENODEV; + + sensor_np = of_node_get(pdev->dev.of_node); + + for_each_available_child_of_node(np, child) { + sensor = devm_kzalloc(&pdev->dev, sizeof(*sensor), GFP_KERNEL); + if (!sensor) { + of_node_put(sensor_np); + return -ENOMEM; + } + + ret = thermal_zone_of_get_sensor_id(child, + sensor_np, + &sensor->resource_id); + if (ret < 0) { + dev_err(&pdev->dev, + "failed to get valid sensor resource id: %d\n", + ret); + break; + } + + sensor->tzd = devm_thermal_zone_of_sensor_register(&pdev->dev, + sensor->resource_id, + sensor, + &imx_sc_thermal_ops); + if (IS_ERR(sensor->tzd)) { + dev_err(&pdev->dev, "failed to register thermal zone\n"); + ret = PTR_ERR(sensor->tzd); + break; + } + } + + of_node_put(sensor_np); + + return ret; +} + +static int imx_sc_thermal_remove(struct platform_device *pdev) +{ + return 0; +} + +static const struct of_device_id imx_sc_thermal_table[] = { + { .compatible = "fsl,imx-sc-thermal", }, + {} +}; +MODULE_DEVICE_TABLE(of, imx_sc_thermal_table); + +static struct platform_driver imx_sc_thermal_driver = { + .probe = imx_sc_thermal_probe, + .remove = imx_sc_thermal_remove, + .driver = { + .name = "imx-sc-thermal", + .of_match_table = imx_sc_thermal_table, + }, +}; +module_platform_driver(imx_sc_thermal_driver); + +MODULE_AUTHOR("Anson Huang "); +MODULE_DESCRIPTION("Thermal driver for NXP i.MX SoCs with system controller"); +MODULE_LICENSE("GPL v2"); From patchwork Sat Feb 22 00:08:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11397713 X-Patchwork-Delegate: daniel.lezcano@linaro.org 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 803EA1395 for ; Sat, 22 Feb 2020 00:15:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5EFB12072C for ; Sat, 22 Feb 2020 00:15:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727027AbgBVAPU (ORCPT ); Fri, 21 Feb 2020 19:15:20 -0500 Received: from inva021.nxp.com ([92.121.34.21]:38736 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727039AbgBVAPS (ORCPT ); Fri, 21 Feb 2020 19:15:18 -0500 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id D728A2018CF; Sat, 22 Feb 2020 01:15:16 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 73C0320196F; Sat, 22 Feb 2020 01:15:01 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id EBB67402E3; Sat, 22 Feb 2020 08:14:45 +0800 (SGT) From: Anson Huang To: robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, catalin.marinas@arm.com, will@kernel.org, rui.zhang@intel.com, daniel.lezcano@linaro.org, amit.kucheria@verdurent.com, aisheng.dong@nxp.com, linux@roeck-us.net, srinivas.kandagatla@linaro.org, krzk@kernel.org, fugang.duan@nxp.com, peng.fan@nxp.com, daniel.baluta@nxp.com, bjorn.andersson@linaro.org, olof@lixom.net, dinguyen@kernel.org, leonard.crestez@nxp.com, marcin.juszkiewicz@linaro.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Cc: Linux-imx@nxp.com Subject: [PATCH V16 4/5] defconfig: arm64: add i.MX system controller thermal support Date: Sat, 22 Feb 2020 08:08:51 +0800 Message-Id: <1582330132-13461-4-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1582330132-13461-1-git-send-email-Anson.Huang@nxp.com> References: <1582330132-13461-1-git-send-email-Anson.Huang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org This patch enables CONFIG_IMX_SC_THERMAL as module. Signed-off-by: Anson Huang --- No change. --- arch/arm64/configs/defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 1c74437..1ff479c 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -453,6 +453,7 @@ CONFIG_THERMAL_GOV_POWER_ALLOCATOR=y CONFIG_CPU_THERMAL=y CONFIG_THERMAL_EMULATION=y CONFIG_QORIQ_THERMAL=m +CONFIG_IMX_SC_THERMAL=m CONFIG_ROCKCHIP_THERMAL=m CONFIG_RCAR_THERMAL=y CONFIG_RCAR_GEN3_THERMAL=y From patchwork Sat Feb 22 00:08:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11397717 X-Patchwork-Delegate: daniel.lezcano@linaro.org 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 6691B17F0 for ; Sat, 22 Feb 2020 00:15:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4FF3D24656 for ; Sat, 22 Feb 2020 00:15:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727086AbgBVAPV (ORCPT ); Fri, 21 Feb 2020 19:15:21 -0500 Received: from inva021.nxp.com ([92.121.34.21]:38768 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726045AbgBVAPT (ORCPT ); Fri, 21 Feb 2020 19:15:19 -0500 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id A2722201B49; Sat, 22 Feb 2020 01:15:17 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 8392F201AF4; Sat, 22 Feb 2020 01:15:01 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 05562402E6; Sat, 22 Feb 2020 08:14:47 +0800 (SGT) From: Anson Huang To: robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, catalin.marinas@arm.com, will@kernel.org, rui.zhang@intel.com, daniel.lezcano@linaro.org, amit.kucheria@verdurent.com, aisheng.dong@nxp.com, linux@roeck-us.net, srinivas.kandagatla@linaro.org, krzk@kernel.org, fugang.duan@nxp.com, peng.fan@nxp.com, daniel.baluta@nxp.com, bjorn.andersson@linaro.org, olof@lixom.net, dinguyen@kernel.org, leonard.crestez@nxp.com, marcin.juszkiewicz@linaro.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Cc: Linux-imx@nxp.com Subject: [PATCH V16 5/5] arm64: dts: imx: add i.MX8QXP thermal support Date: Sat, 22 Feb 2020 08:08:52 +0800 Message-Id: <1582330132-13461-5-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1582330132-13461-1-git-send-email-Anson.Huang@nxp.com> References: <1582330132-13461-1-git-send-email-Anson.Huang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add i.MX8QXP CPU thermal zone support. Signed-off-by: Anson Huang --- No change. --- arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 36 ++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi index fb5f752..0a14fe4 100644 --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi @@ -11,6 +11,7 @@ #include #include #include +#include / { interrupt-parent = <&gic>; @@ -189,6 +190,11 @@ compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt"; timeout-sec = <60>; }; + + tsens: thermal-sensor { + compatible = "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-thermal"; + #thermal-sensor-cells = <1>; + }; }; timer { @@ -586,4 +592,34 @@ #clock-cells = <1>; }; }; + + thermal_zones: thermal-zones { + cpu-thermal0 { + polling-delay-passive = <250>; + polling-delay = <2000>; + thermal-sensors = <&tsens IMX_SC_R_SYSTEM>; + trips { + cpu_alert0: trip0 { + temperature = <107000>; + hysteresis = <2000>; + type = "passive"; + }; + cpu_crit0: trip1 { + temperature = <127000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + cooling-maps { + map0 { + trip = <&cpu_alert0>; + cooling-device = + <&A35_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&A35_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&A35_2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&A35_3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; + }; };