From patchwork Fri May 3 16:15:00 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Iker Perez X-Patchwork-Id: 10928971 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 78EFC912 for ; Fri, 3 May 2019 16:15:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 65D7027F89 for ; Fri, 3 May 2019 16:15:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 574B828535; Fri, 3 May 2019 16:15:08 +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=-7.9 required=2.0 tests=BAYES_00,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 CD41227F89 for ; Fri, 3 May 2019 16:15:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726789AbfECQPH (ORCPT ); Fri, 3 May 2019 12:15:07 -0400 Received: from imap1.codethink.co.uk ([176.9.8.82]:34379 "EHLO imap1.codethink.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726495AbfECQPH (ORCPT ); Fri, 3 May 2019 12:15:07 -0400 Received: from [167.98.27.226] (helo=ct-lt-765.unassigned) by imap1.codethink.co.uk with esmtpsa (Exim 4.84_2 #1 (Debian)) id 1hMaq0-0003gY-OZ; Fri, 03 May 2019 17:15:04 +0100 Received: from ikerpalomar by ct-lt-765.unassigned with local (Exim 4.89) (envelope-from ) id 1hMaq0-0007kZ-Br; Fri, 03 May 2019 17:15:04 +0100 From: Iker Perez To: linux-hwmon@vger.kernel.org Cc: linux@roeck-us.net, devicetree@vger.kernel.org, Iker Perez del Palomar Sustatxa Subject: [PATCH v4 1/2] hwmon: (lm75) Add support for TMP75B Date: Fri, 3 May 2019 17:15:00 +0100 Message-Id: <20190503161501.29489-2-iker.perez@codethink.co.uk> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20190503161501.29489-1-iker.perez@codethink.co.uk> References: <20190503161501.29489-1-iker.perez@codethink.co.uk> Sender: linux-hwmon-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Iker Perez del Palomar Sustatxa The TMP75B has a different control register, supports 12-bit resolution and the default conversion rate is 37 Hz. Signed-off-by: Iker Perez del Palomar Sustatxa --- Documentation/hwmon/lm75 | 7 +++++-- drivers/hwmon/lm75.c | 11 +++++++++++ 2 files changed, 16 insertions(+), 2 deletions(-) Version log: - v4: - Correct the sample time to 37 ms. - v3: - Bad assignment, missing spaces before and after "=". - Divide in two lines longer than 80 characters. - Separate dt-bindings and driver-documentation into different commits. - V2: - Delete empty lines. - Restore replaced tabs by spaces diff --git a/Documentation/hwmon/lm75 b/Documentation/hwmon/lm75 index 010583608f12..0cff924cdbba 100644 --- a/Documentation/hwmon/lm75 +++ b/Documentation/hwmon/lm75 @@ -47,8 +47,10 @@ Supported chips: Addresses scanned: none Datasheet: Publicly available at the ST website https://www.st.com/resource/en/datasheet/stlm75.pdf - * Texas Instruments TMP100, TMP101, TMP105, TMP112, TMP75, TMP75C, TMP175, TMP275 - Prefixes: 'tmp100', 'tmp101', 'tmp105', 'tmp112', 'tmp175', 'tmp75', 'tmp75c', 'tmp275' + * Texas Instruments TMP100, TMP101, TMP105, TMP112, TMP75, TMP75B, TMP75C, + TMP175, TMP275 + Prefixes: 'tmp100', 'tmp101', 'tmp105', 'tmp112', 'tmp175', 'tmp75', + 'tmp75b', 'tmp75c', 'tmp275' Addresses scanned: none Datasheet: Publicly available at the Texas Instruments website http://www.ti.com/product/tmp100 @@ -56,6 +58,7 @@ Supported chips: http://www.ti.com/product/tmp105 http://www.ti.com/product/tmp112 http://www.ti.com/product/tmp75 + http://www.ti.com/product/tmp75b http://www.ti.com/product/tmp75c http://www.ti.com/product/tmp175 http://www.ti.com/product/tmp275 diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index 447af07450f1..5673fa541f16 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -59,6 +59,7 @@ enum lm75_type { /* keep sorted in alphabetical order */ tmp175, tmp275, tmp75, + tmp75b, tmp75c, }; @@ -378,6 +379,11 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id) data->resolution = 12; data->sample_time = MSEC_PER_SEC / 2; break; + case tmp75b: /* not one-shot mode, Conversion rate 37Hz */ + clr_mask |= 1 << 15 | 0x3 << 13; + data->resolution = 12; + data->sample_time = MSEC_PER_SEC / 37; + break; case tmp75c: clr_mask |= 1 << 5; /* not one-shot mode */ data->resolution = 12; @@ -438,6 +444,7 @@ static const struct i2c_device_id lm75_ids[] = { { "tmp175", tmp175, }, { "tmp275", tmp275, }, { "tmp75", tmp75, }, + { "tmp75b", tmp75b, }, { "tmp75c", tmp75c, }, { /* LIST END */ } }; @@ -537,6 +544,10 @@ static const struct of_device_id lm75_of_match[] = { .data = (void *)tmp75 }, { + .compatible = "ti,tmp75b", + .data = (void *)tmp75b + }, + { .compatible = "ti,tmp75c", .data = (void *)tmp75c },