From patchwork Tue Feb 28 09:05:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marco Felsch X-Patchwork-Id: 657585 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 67C8DC64EC7 for ; Tue, 28 Feb 2023 09:05:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230299AbjB1JFe (ORCPT ); Tue, 28 Feb 2023 04:05:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47176 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230183AbjB1JFd (ORCPT ); Tue, 28 Feb 2023 04:05:33 -0500 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4C0BC166CA for ; Tue, 28 Feb 2023 01:05:31 -0800 (PST) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pWvvF-0002s8-V3; Tue, 28 Feb 2023 10:05:21 +0100 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1pWvvE-000poD-HB; Tue, 28 Feb 2023 10:05:20 +0100 Received: from mfe by dude02.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pWvvD-002DrR-GG; Tue, 28 Feb 2023 10:05:19 +0100 From: Marco Felsch To: puranjay12@gmail.com, jic23@kernel.org, lars@metafoo.de, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH v6 4/5] iio: temperature: tmp117: add TI TMP116 support Date: Tue, 28 Feb 2023 10:05:17 +0100 Message-Id: <20230228090518.529811-5-m.felsch@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230228090518.529811-1-m.felsch@pengutronix.de> References: <20230228090518.529811-1-m.felsch@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: mfe@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: devicetree@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The TMP116 is the predecessor of the TMP117. The TMP116 don't support custom offset calibration data, instead this register is used as generic EEPROM storage as well. Signed-off-by: Marco Felsch --- v6: - fix compiling v5: - no changes v4: - split into two patches - 1st) handle fallback (Jonathan) - 2nd) this one, adding the support for tmp116 v3: - use switch case within probe() as well - don't hide smbus_read error within tmp117_identify() - add dedicated compatible v2: - no changes drivers/iio/temperature/tmp117.c | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/drivers/iio/temperature/tmp117.c b/drivers/iio/temperature/tmp117.c index 8a3992d9ee937..9bfb818c3bf1d 100644 --- a/drivers/iio/temperature/tmp117.c +++ b/drivers/iio/temperature/tmp117.c @@ -32,9 +32,11 @@ #define TMP117_REG_DEVICE_ID 0xF #define TMP117_RESOLUTION_10UC 78125 -#define TMP117_DEVICE_ID 0x0117 #define MICRODEGREE_PER_10MILLIDEGREE 10000 +#define TMP116_DEVICE_ID 0x1116 +#define TMP117_DEVICE_ID 0x0117 + struct tmp117_data { struct i2c_client *client; s16 calibbias; @@ -109,6 +111,14 @@ static const struct iio_chan_spec tmp117_channels[] = { }, }; +static const struct iio_chan_spec tmp116_channels[] = { + { + .type = IIO_TEMP, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE), + }, +}; + static const struct iio_info tmp117_info = { .read_raw = tmp117_read_raw, .write_raw = tmp117_write_raw, @@ -125,6 +135,7 @@ static int tmp117_identify(struct i2c_client *client) return dev_id; switch (dev_id) { + case TMP116_DEVICE_ID: case TMP117_DEVICE_ID: return dev_id; } @@ -172,6 +183,11 @@ static int tmp117_probe(struct i2c_client *client) indio_dev->info = &tmp117_info; switch (dev_id) { + case TMP116_DEVICE_ID: + indio_dev->channels = tmp116_channels; + indio_dev->num_channels = ARRAY_SIZE(tmp116_channels); + indio_dev->name = "tmp116"; + break; case TMP117_DEVICE_ID: indio_dev->channels = tmp117_channels; indio_dev->num_channels = ARRAY_SIZE(tmp117_channels); @@ -183,12 +199,14 @@ static int tmp117_probe(struct i2c_client *client) } static const struct of_device_id tmp117_of_match[] = { + { .compatible = "ti,tmp116", .data = (void *)TMP116_DEVICE_ID }, { .compatible = "ti,tmp117", .data = (void *)TMP117_DEVICE_ID }, { } }; MODULE_DEVICE_TABLE(of, tmp117_of_match); static const struct i2c_device_id tmp117_id[] = { + { "tmp116", TMP116_DEVICE_ID }, { "tmp117", TMP117_DEVICE_ID }, { } };