From patchwork Wed Nov 28 05:58:15 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 10701975 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 4C80914BD for ; Wed, 28 Nov 2018 05:58:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3BC0B2CCDA for ; Wed, 28 Nov 2018 05:58:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 301AB2CCC6; Wed, 28 Nov 2018 05:58:25 +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 48BFE2CCC2 for ; 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Wed, 28 Nov 2018 05:58:15 +0000 Received: from DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::adf8:f49d:deb4:58fd]) by DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::adf8:f49d:deb4:58fd%2]) with mapi id 15.20.1361.019; Wed, 28 Nov 2018 05:58:15 +0000 From: Anson Huang To: "rui.zhang@intel.com" , "edubezval@gmail.com" , "daniel.lezcano@linaro.org" , "robh+dt@kernel.org" , "mark.rutland@arm.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" , Aisheng DONG , Andy Gross , "heiko@sntech.de" , "horms+renesas@verge.net.au" , "arnd@arndb.de" , "amit.kucheria@linaro.org" , "enric.balletbo@collabora.com" , "ezequiel@collabora.com" , "olof@lixom.net" , "bjorn.andersson@linaro.org" , "linux-pm@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "shawnguo@kernel.org" CC: dl-linux-imx Subject: [PATCH V2 1/4] dt-bindings: thermal: add binding doc for i.MX system controller thermal driver Thread-Topic: [PATCH V2 1/4] dt-bindings: thermal: add binding doc for i.MX system controller thermal driver Thread-Index: AQHUht9a1xKkI1Q6d0KcGLr3GltEUQ== Date: Wed, 28 Nov 2018 05:58:15 +0000 Message-ID: <1543384349-2851-2-git-send-email-Anson.Huang@nxp.com> References: <1543384349-2851-1-git-send-email-Anson.Huang@nxp.com> In-Reply-To: <1543384349-2851-1-git-send-email-Anson.Huang@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK0PR03CA0010.apcprd03.prod.outlook.com (2603:1096:203:2e::22) To DB3PR0402MB3916.eurprd04.prod.outlook.com (2603:10a6:8:10::18) authentication-results: spf=none (sender IP is ) smtp.mailfrom=anson.huang@nxp.com; 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received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: V87dKD8tcf43kPgQZEYAEya+urV9rbBgOlcAOvXlRwkLNColTCaKmPhEQCt3sapaRQrofCXNsqn4eLcTpnkVAfWPTfcFL2HiG54dB5SUnMZ51uthLb9yfYtY5+0Hf22lwsvQA9wpU7TGmoqd71eupTWAhdM+dSgFDSsrr9GO2P9Nye+EoEo+FudCQqHEAvGCT4IIk4H2kd2KiXH1P2n+BluhUh9jQ20iBv8xEM279GbObkLdODtTYGj/onCOZDSX6KJ9h1xdBBe9J2sZz4aHt5dslwpET6ooGdax+8aWlbPExhBZzmGQ7DmSW1Y69TWmxx2SLyevvo0jHS607Gf7fEhjMc/rHFRPe9Lf85Tq43Q= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: a2ae827b-320d-4907-e6a6-08d654f67cbf X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Nov 2018 05:58:15.3486 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR0402MB3691 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 --- no change since V1. .../devicetree/bindings/thermal/imx-sc-thermal.txt | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/thermal/imx-sc-thermal.txt diff --git a/Documentation/devicetree/bindings/thermal/imx-sc-thermal.txt b/Documentation/devicetree/bindings/thermal/imx-sc-thermal.txt new file mode 100644 index 0000000..2f5b0a2 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/imx-sc-thermal.txt @@ -0,0 +1,33 @@ +* Temperature Monitor (TEMPMON) on NXP i.MX SoCs with System Controller + +Required properties: +- compatible : Must be "nxp,imx8qxp-sc-thermal"; +- tsens-num : Total number of thermal sensors supported; +- #thermal-sensor-cells : Should be 1. See ./thermal.txt for a description. + +Example: +tsens: thermal-sensor { + compatible = "nxp,imx8qxp-sc-thermal"; + tsens-num = <1>; + #thermal-sensor-cells = <1>; +}; + +thermal_zones: thermal-zones { + cpu-thermal0 { + polling-delay-passive = <250>; + polling-delay = <2000>; + thermal-sensors = <&tsens 355>; + trips { + cpu_alert0: trip0 { + temperature = <107000>; + hysteresis = <2000>; + type = "passive"; + }; + cpu_crit0: trip1 { + temperature = <127000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + }; +}; From patchwork Wed Nov 28 05:58:22 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 10701977 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 2325F13A4 for ; Wed, 28 Nov 2018 05:58:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 09A112BCE9 for ; Wed, 28 Nov 2018 05:58:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EC2642C1CB; Wed, 28 Nov 2018 05:58:35 +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 041A12C238 for ; Wed, 28 Nov 2018 05:58:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727501AbeK1Q6z (ORCPT ); Wed, 28 Nov 2018 11:58:55 -0500 Received: from mail-eopbgr10046.outbound.protection.outlook.com ([40.107.1.46]:18518 "EHLO EUR02-HE1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727150AbeK1Q6y (ORCPT ); Wed, 28 Nov 2018 11:58:54 -0500 DKIM-Signature: v=1; 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received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: pCgQvC4HJHYka9TP20bhAYgyt57lvAhEgIziAXld8YJ47WWL/mcpJyDMYLugrzksvJHXDqsuLO8GF0gYhG7Z9okO8jpR2QzckIFJg4up114QcFZq1c3WzQJiPHo+RPa0zQoEp1LbL5dC7taE7wgq0bxoig3i3DR3BytX5nzGmI4IAhuuq0kLWTWUftYdSPH2TKWb+HyajAnCDC23GvEpTly+CYg4fj1zJ7B2U3jFg07a4jjnNlDuAajXfIcg8b8Nx6KjPp183C15PBDG2FGThsF4vJSVWKvBQYvPlWWleCZ6O+yCSvqhtUgJTW3N8o8t2Kbn/+jMm5+PHcak+No8ceQksKS/ra1Vyxp3BgrX5w8= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: fc6f2ee4-839d-4c50-3ecd-08d654f68106 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Nov 2018 05:58:22.5362 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR0402MB3691 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 V1: remove boiler plate license text; remove unnecessary kfree during probe; remove build warning of comparing unsigned int with < 0; drivers/thermal/Kconfig | 11 +++ drivers/thermal/Makefile | 1 + drivers/thermal/imx_sc_thermal.c | 201 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 213 insertions(+) create mode 100644 drivers/thermal/imx_sc_thermal.c diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index 0e69edc..84e850c 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -222,6 +222,17 @@ 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 ARCH_MXC || 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 610344e..1b13f6a 100644 --- a/drivers/thermal/Makefile +++ b/drivers/thermal/Makefile @@ -41,6 +41,7 @@ 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..890537f --- /dev/null +++ b/drivers/thermal/imx_sc_thermal.c @@ -0,0 +1,201 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2018 NXP. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "thermal_core.h" + +#define IMX_SC_MISC_FUNC_GET_TEMP 13 +#define IMX_SC_C_TEMP 0 + +struct imx_sc_ipc *thermal_ipc_handle; + +struct imx_sc_sensor { + struct thermal_zone_device *tzd; + u32 resource_id; +}; + +struct imx_sc_thermal_data { + struct imx_sc_sensor *sensor; +}; + +struct imx_sc_msg_req_misc_get_temp { + struct imx_sc_rpc_msg hdr; + u16 resource_id; + u8 type; +} __packed; + +struct imx_sc_msg_resp_misc_get_temp { + struct imx_sc_rpc_msg hdr; + u16 celsius; + u8 tenths; +} __packed; + +static int imx_sc_thermal_get_temp(void *data, int *temp) +{ + struct imx_sc_msg_resp_misc_get_temp *resp; + struct imx_sc_msg_req_misc_get_temp msg; + struct imx_sc_rpc_msg *hdr = &msg.hdr; + struct imx_sc_sensor *sensor = data; + int ret; + + msg.resource_id = sensor->resource_id; + msg.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) { + pr_err("read temp sensor %d failed, ret %d\n", + sensor->resource_id, ret); + return ret; + } + + resp = (struct imx_sc_msg_resp_misc_get_temp *)&msg; + *temp = resp->celsius * 1000 + 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_register_sensor(struct platform_device *pdev, + struct imx_sc_sensor *sensor) +{ + struct thermal_zone_device *tzd; + + tzd = devm_thermal_zone_of_sensor_register(&pdev->dev, + sensor->resource_id, + sensor, + &imx_sc_thermal_ops); + if (IS_ERR(tzd)) { + dev_err(&pdev->dev, "failed to register sensor: %d\n", + sensor->resource_id); + return -EINVAL; + } + + sensor->tzd = tzd; + + return 0; +} + +static int imx_sc_thermal_get_sensor_id(struct device_node *sensor_np, u32 *id) +{ + struct of_phandle_args sensor_specs; + int ret; + + ret = of_parse_phandle_with_args(sensor_np, "thermal-sensors", + "#thermal-sensor-cells", + 0, &sensor_specs); + if (ret) + return ret; + + 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 { + return -EINVAL; + } + + return 0; +} + +static int imx_sc_thermal_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + struct device_node *sensor_np = NULL; + struct imx_sc_thermal_data *data; + struct imx_sc_sensor *sensors; + u32 sensor_num; + int ret, i; + + ret = imx_scu_get_handle(&thermal_ipc_handle); + if (ret) { + if (ret == -EPROBE_DEFER) + return ret; + + dev_err(&pdev->dev, "failed to get ipc handle: %d!\n", ret); + return ret; + } + + data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + ret = of_property_read_u32(np, "tsens-num", &sensor_num); + if (ret || !sensor_num) { + dev_err(&pdev->dev, "failed to get valid temp sensor number!\n"); + return -EINVAL; + } + + sensors = devm_kzalloc(&pdev->dev, sizeof(*data->sensor) * sensor_num, + GFP_KERNEL); + if (!sensors) + return -ENOMEM; + + data->sensor = sensors; + + np = of_find_node_by_name(NULL, "thermal-zones"); + if (!np) + return -ENODEV; + + for (i = 0; i < sensor_num; i++) { + struct imx_sc_sensor *sensor = &data->sensor[i]; + + sensor_np = of_get_next_child(np, sensor_np); + ret = imx_sc_thermal_get_sensor_id(sensor_np, &sensor->resource_id); + if (ret < 0) { + dev_err(&pdev->dev, + "failed to get valid sensor resource id: %d\n", + ret); + break; + } + + ret = imx_sc_thermal_register_sensor(pdev, sensor); + if (ret) { + dev_err(&pdev->dev, "failed to register thermal sensor: %d\n", + ret); + break; + } + } + + of_node_put(np); + of_node_put(sensor_np); + + return ret; +} + +static const struct of_device_id imx_sc_thermal_table[] = { + { .compatible = "nxp,imx8qxp-sc-thermal", }, + {}, +}; +MODULE_DEVICE_TABLE(of, imx_sc_thermal_table); + +static struct platform_driver imx_sc_thermal_driver = { + .probe = imx_sc_thermal_probe, + .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 Wed Nov 28 05:58:29 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 10701981 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 D569A14BD for ; Wed, 28 Nov 2018 05:58:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C5C2E2C27F for ; Wed, 28 Nov 2018 05:58:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B8DD92C38F; Wed, 28 Nov 2018 05:58:40 +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 61C5D2C27F for ; 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Wed, 28 Nov 2018 05:58:29 +0000 Received: from DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::adf8:f49d:deb4:58fd]) by DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::adf8:f49d:deb4:58fd%2]) with mapi id 15.20.1361.019; Wed, 28 Nov 2018 05:58:29 +0000 From: Anson Huang To: "rui.zhang@intel.com" , "edubezval@gmail.com" , "daniel.lezcano@linaro.org" , "robh+dt@kernel.org" , "mark.rutland@arm.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" , Aisheng DONG , Andy Gross , "heiko@sntech.de" , "horms+renesas@verge.net.au" , "arnd@arndb.de" , "amit.kucheria@linaro.org" , "enric.balletbo@collabora.com" , "ezequiel@collabora.com" , "olof@lixom.net" , "bjorn.andersson@linaro.org" , "linux-pm@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "shawnguo@kernel.org" CC: dl-linux-imx Subject: [PATCH V2 3/4] defconfig: arm64: add i.MX system controller thermal support Thread-Topic: [PATCH V2 3/4] defconfig: arm64: add i.MX system controller thermal support Thread-Index: AQHUht9jLUta/RsnpkWkiU5k9aqvsg== Date: Wed, 28 Nov 2018 05:58:29 +0000 Message-ID: <1543384349-2851-4-git-send-email-Anson.Huang@nxp.com> References: <1543384349-2851-1-git-send-email-Anson.Huang@nxp.com> In-Reply-To: <1543384349-2851-1-git-send-email-Anson.Huang@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK0PR03CA0010.apcprd03.prod.outlook.com (2603:1096:203:2e::22) To DB3PR0402MB3916.eurprd04.prod.outlook.com (2603:10a6:8:10::18) authentication-results: spf=none (sender IP is ) smtp.mailfrom=anson.huang@nxp.com; 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Signed-off-by: Anson Huang --- arch/arm64/configs/defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index abd80c5..9f12324 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -376,6 +376,7 @@ CONFIG_SENSORS_RASPBERRYPI_HWMON=m CONFIG_THERMAL_GOV_POWER_ALLOCATOR=y CONFIG_CPU_THERMAL=y CONFIG_THERMAL_EMULATION=y +CONFIG_IMX_SC_THERMAL=m CONFIG_ROCKCHIP_THERMAL=m CONFIG_RCAR_GEN3_THERMAL=y CONFIG_ARMADA_THERMAL=y From patchwork Wed Nov 28 05:58:37 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 10701985 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 01E8F14BD for ; Wed, 28 Nov 2018 05:59:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E62052CB94 for ; 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Signed-off-by: Anson Huang --- arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi index 5e8b554..ef57db6 100644 --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi @@ -9,6 +9,7 @@ #include #include #include +#include #include "imx8-ca35.dtsi" @@ -85,6 +86,32 @@ }; }; + tsens: thermal-sensor { + compatible = "nxp,imx8qxp-sc-thermal"; + tsens-num = <1>; + #thermal-sensor-cells = <1>; + }; + + thermal_zones: thermal-zones { + cpu-thermal0 { + polling-delay-passive = <250>; + polling-delay = <2000>; + thermal-sensors = <&tsens 355>; + trips { + cpu_alert0: trip0 { + temperature = <107000>; + hysteresis = <2000>; + type = "passive"; + }; + cpu_crit0: trip1 { + temperature = <127000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + }; + }; + adma_subsys: bus@59000000 { compatible = "simple-bus"; #address-cells = <1>;