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Signed-off-by: Peter Rosin --- Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt index c3b9c4cfe8df..37f18d684f6a 100644 --- a/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt +++ b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt @@ -4,6 +4,7 @@ NTC Thermistor hwmon sensors Requires node properties: - "compatible" value : one of "epcos,b57330v2103" + "epcos,b57891s0103" "murata,ncp15wb473" "murata,ncp18wb473" "murata,ncp21wb473" From patchwork Sat Nov 17 12:13:00 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Rosin X-Patchwork-Id: 10687455 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 E9B441709 for ; 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Sat, 17 Nov 2018 17:29:35 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=axentia.se; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=nIZW3NZeg7Jg7n2w5PFd1g7Bhoq/EgQWMT7zJnKH7ls=; b=Ul4zFqvv7amLjddJlIvmwwv0xlBY4VAeVS6vcLUv/THx6c/e29tpScJG60I1lLQ8epI4/TrOA7zilcePrqkYaM3q+ZTJfSAjUtp11LJ4MSytgb1DVhJ28kUhLaL8TjQWYB2NkDkOE6yXbCRM0uz/jDZO7RyC4fNoN4G+8yexwUQ= Received: from AM5PR0201MB2451.eurprd02.prod.outlook.com (10.169.244.8) by AM5PR0201MB2355.eurprd02.prod.outlook.com (10.169.243.18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1294.28; Sat, 17 Nov 2018 12:13:00 +0000 Received: from AM5PR0201MB2451.eurprd02.prod.outlook.com ([fe80::7d9b:e9c1:14e6:b72a]) by AM5PR0201MB2451.eurprd02.prod.outlook.com ([fe80::7d9b:e9c1:14e6:b72a%3]) with mapi id 15.20.1294.045; Sat, 17 Nov 2018 12:13:00 +0000 From: Peter Rosin To: "linux-kernel@vger.kernel.org" CC: Peter Rosin , Jean Delvare , Guenter Roeck , Rob Herring , Mark Rutland , "linux-hwmon@vger.kernel.org" , "devicetree@vger.kernel.org" Subject: [PATCH 2/2] hwmon: (ntc_thermistor): add support for B57891S0103 from Epcos Thread-Topic: [PATCH 2/2] hwmon: (ntc_thermistor): add support for B57891S0103 from Epcos Thread-Index: AQHUfm7h4Hg8oMasp0Wh5BsbVRWt0w== Date: Sat, 17 Nov 2018 12:13:00 +0000 Message-ID: <20181117121248.32143-2-peda@axentia.se> References: <20181117121248.32143-1-peda@axentia.se> In-Reply-To: <20181117121248.32143-1-peda@axentia.se> Accept-Language: en-US, sv-SE Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.11.0 x-originating-ip: [85.226.244.23] x-clientproxiedby: HE1PR05CA0211.eurprd05.prod.outlook.com (2603:10a6:3:fa::11) To AM5PR0201MB2451.eurprd02.prod.outlook.com (2603:10a6:203:35::8) authentication-results: spf=none (sender IP is ) smtp.mailfrom=peda@axentia.se; 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Signed-off-by: Peter Rosin --- drivers/hwmon/Kconfig | 3 +- drivers/hwmon/ntc_thermistor.c | 57 +++++++++++++++++++++++++++- include/linux/platform_data/ntc_thermistor.h | 1 + 3 files changed, 58 insertions(+), 3 deletions(-) diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index f10840ad465c..5438cecace22 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -1206,7 +1206,8 @@ config SENSORS_NTC_THERMISTOR Currently, this driver supports NCP15WB473, NCP18WB473, NCP21WB473, NCP03WB473, NCP15WL333, - NCP03WF104 and NCP15XH103 from Murata and B57330V2103 from EPCOS. + NCP03WF104 and NCP15XH103 from Murata and B57330V2103 and + B57891S0103 from EPCOS. This driver can also be built as a module. If so, the module will be called ntc-thermistor. diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c index c52d07c6b49f..e0c6b2f244a6 100644 --- a/drivers/hwmon/ntc_thermistor.c +++ b/drivers/hwmon/ntc_thermistor.c @@ -55,6 +55,7 @@ static const struct platform_device_id ntc_thermistor_id[] = { { "b57330v2103", TYPE_B57330V2103}, { "ncp03wf104", TYPE_NCPXXWF104 }, { "ncp15xh103", TYPE_NCPXXXH103 }, + { "b57891s0103", TYPE_B57891S0103 }, { }, }; @@ -212,8 +213,8 @@ static const struct ntc_compensation ncpXXxh103[] = { }; /* - * The following compensation table is from the specification of EPCOS NTC - * Thermistors Datasheet + * The following compensation tables are from the specifications in EPCOS NTC + * Thermistors Datasheets */ static const struct ntc_compensation b57330v2103[] = { { .temp_c = -40, .ohm = 190030 }, @@ -252,6 +253,52 @@ static const struct ntc_compensation b57330v2103[] = { { .temp_c = 125, .ohm = 531 }, }; +static const struct ntc_compensation b57891s0103[] = { + { .temp_c = -55.0, .ohm = 878900 }, + { .temp_c = -50.0, .ohm = 617590 }, + { .temp_c = -45.0, .ohm = 439340 }, + { .temp_c = -40.0, .ohm = 316180 }, + { .temp_c = -35.0, .ohm = 230060 }, + { .temp_c = -30.0, .ohm = 169150 }, + { .temp_c = -25.0, .ohm = 125550 }, + { .temp_c = -20.0, .ohm = 94143 }, + { .temp_c = -15.0, .ohm = 71172 }, + { .temp_c = -10.0, .ohm = 54308 }, + { .temp_c = -5.0, .ohm = 41505 }, + { .temp_c = 0.0, .ohm = 32014 }, + { .temp_c = 5.0, .ohm = 25011 }, + { .temp_c = 10.0, .ohm = 19691 }, + { .temp_c = 15.0, .ohm = 15618 }, + { .temp_c = 20.0, .ohm = 12474 }, + { .temp_c = 25.0, .ohm = 10000 }, + { .temp_c = 30.0, .ohm = 8080 }, + { .temp_c = 35.0, .ohm = 6569 }, + { .temp_c = 40.0, .ohm = 5372 }, + { .temp_c = 45.0, .ohm = 4424 }, + { .temp_c = 50.0, .ohm = 3661 }, + { .temp_c = 55.0, .ohm = 3039 }, + { .temp_c = 60.0, .ohm = 2536 }, + { .temp_c = 65.0, .ohm = 2128 }, + { .temp_c = 70.0, .ohm = 1794 }, + { .temp_c = 75.0, .ohm = 1518 }, + { .temp_c = 80.0, .ohm = 1290 }, + { .temp_c = 85.0, .ohm = 1100 }, + { .temp_c = 90.0, .ohm = 942 }, + { .temp_c = 95.0, .ohm = 809 }, + { .temp_c = 100.0, .ohm = 697 }, + { .temp_c = 105.0, .ohm = 604 }, + { .temp_c = 110.0, .ohm = 525 }, + { .temp_c = 115.0, .ohm = 457 }, + { .temp_c = 120.0, .ohm = 400 }, + { .temp_c = 125.0, .ohm = 351 }, + { .temp_c = 130.0, .ohm = 308 }, + { .temp_c = 135.0, .ohm = 272 }, + { .temp_c = 140.0, .ohm = 240 }, + { .temp_c = 145.0, .ohm = 213 }, + { .temp_c = 150.0, .ohm = 189 }, + { .temp_c = 155.0, .ohm = 168 }, +}; + struct ntc_data { struct ntc_thermistor_platform_data *pdata; const struct ntc_compensation *comp; @@ -296,6 +343,8 @@ static const struct of_device_id ntc_match[] = { .data = &ntc_thermistor_id[6] }, { .compatible = "murata,ncp15xh103", .data = &ntc_thermistor_id[7] }, + { .compatible = "epcos,b57891s0103", + .data = &ntc_thermistor_id[8] }, /* Usage of vendor name "ntc" is deprecated */ { .compatible = "ntc,ncp15wb473", @@ -627,6 +676,10 @@ static int ntc_thermistor_probe(struct platform_device *pdev) data->comp = ncpXXxh103; data->n_comp = ARRAY_SIZE(ncpXXxh103); break; + case TYPE_B57891S0103: + data->comp = b57891s0103; + data->n_comp = ARRAY_SIZE(b57891s0103); + break; default: dev_err(dev, "Unknown device type: %lu(%s)\n", pdev_id->driver_data, pdev_id->name); diff --git a/include/linux/platform_data/ntc_thermistor.h b/include/linux/platform_data/ntc_thermistor.h index 698d0d59db76..231a27c302ec 100644 --- a/include/linux/platform_data/ntc_thermistor.h +++ b/include/linux/platform_data/ntc_thermistor.h @@ -29,6 +29,7 @@ enum ntc_thermistor_type { TYPE_B57330V2103, TYPE_NCPXXWF104, TYPE_NCPXXXH103, + TYPE_B57891S0103, }; struct ntc_thermistor_platform_data {