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([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2e9a5fd3c65sm9176678a91.35.2024.11.11.15.34.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 11 Nov 2024 15:34:05 -0800 (PST) Message-ID: <47f113db-162e-4476-984a-52a81e915009@roeck-us.net> Date: Mon, 11 Nov 2024 15:34:03 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 4/5] hwmon: tmp108: Add support for I3C device To: Frank Li , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Cameron , Lars-Peter Clausen , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Jean Delvare Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Krzysztof Kozlowski , linux-hwmon@vger.kernel.org References: <20241111-p3t1085-v3-0-bff511550aad@nxp.com> <20241111-p3t1085-v3-4-bff511550aad@nxp.com> Content-Language: en-US From: Guenter Roeck Autocrypt: addr=linux@roeck-us.net; keydata= xsFNBE6H1WcBEACu6jIcw5kZ5dGeJ7E7B2uweQR/4FGxH10/H1O1+ApmcQ9i87XdZQiB9cpN RYHA7RCEK2dh6dDccykQk3bC90xXMPg+O3R+C/SkwcnUak1UZaeK/SwQbq/t0tkMzYDRxfJ7 nyFiKxUehbNF3r9qlJgPqONwX5vJy4/GvDHdddSCxV41P/ejsZ8PykxyJs98UWhF54tGRWFl 7i1xvaDB9lN5WTLRKSO7wICuLiSz5WZHXMkyF4d+/O5ll7yz/o/JxK5vO/sduYDIlFTvBZDh gzaEtNf5tQjsjG4io8E0Yq0ViobLkS2RTNZT8ICq/Jmvl0SpbHRvYwa2DhNsK0YjHFQBB0FX IdhdUEzNefcNcYvqigJpdICoP2e4yJSyflHFO4dr0OrdnGLe1Zi/8Xo/2+M1dSSEt196rXaC kwu2KgIgmkRBb3cp2vIBBIIowU8W3qC1+w+RdMUrZxKGWJ3juwcgveJlzMpMZNyM1jobSXZ0 VHGMNJ3MwXlrEFPXaYJgibcg6brM6wGfX/LBvc/haWw4yO24lT5eitm4UBdIy9pKkKmHHh7s jfZJkB5fWKVdoCv/omy6UyH6ykLOPFugl+hVL2Prf8xrXuZe1CMS7ID9Lc8FaL1ROIN/W8Vk BIsJMaWOhks//7d92Uf3EArDlDShwR2+D+AMon8NULuLBHiEUQARAQABzTJHdWVudGVyIFJv ZWNrIChMaW51eCBhY2NvdW50KSA8bGludXhAcm9lY2stdXMubmV0PsLBgQQTAQIAKwIbAwYL CQgHAwIGFQgCCQoLBBYCAwECHgECF4ACGQEFAlVcphcFCRmg06EACgkQyx8mb86fmYFg0RAA nzXJzuPkLJaOmSIzPAqqnutACchT/meCOgMEpS5oLf6xn5ySZkl23OxuhpMZTVX+49c9pvBx hpvl5bCWFu5qC1jC2eWRYU+aZZE4sxMaAGeWenQJsiG9lP8wkfCJP3ockNu0ZXXAXwIbY1O1 c+l11zQkZw89zNgWgKobKzrDMBFOYtAh0pAInZ9TSn7oA4Ctejouo5wUugmk8MrDtUVXmEA9 7f9fgKYSwl/H7dfKKsS1bDOpyJlqhEAH94BHJdK/b1tzwJCFAXFhMlmlbYEk8kWjcxQgDWMu GAthQzSuAyhqyZwFcOlMCNbAcTSQawSo3B9yM9mHJne5RrAbVz4TWLnEaX8gA5xK3uCNCeyI sqYuzA4OzcMwnnTASvzsGZoYHTFP3DQwf2nzxD6yBGCfwNGIYfS0i8YN8XcBgEcDFMWpOQhT Pu3HeztMnF3HXrc0t7e5rDW9zCh3k2PA6D2NV4fews9KDFhLlTfCVzf0PS1dRVVWM+4jVl6l HRIAgWp+2/f8dx5vPc4Ycp4IsZN0l1h9uT7qm1KTwz+sSl1zOqKD/BpfGNZfLRRxrXthvvY8 BltcuZ4+PGFTcRkMytUbMDFMF9Cjd2W9dXD35PEtvj8wnEyzIos8bbgtLrGTv/SYhmPpahJA l8hPhYvmAvpOmusUUyB30StsHIU2LLccUPPOwU0ETofVZwEQALlLbQeBDTDbwQYrj0gbx3bq 7kpKABxN2MqeuqGr02DpS9883d/t7ontxasXoEz2GTioevvRmllJlPQERVxM8gQoNg22twF7 pB/zsrIjxkE9heE4wYfN1AyzT+AxgYN6f8hVQ7Nrc9XgZZe+8IkuW/Nf64KzNJXnSH4u6nJM J2+Dt274YoFcXR1nG76Q259mKwzbCukKbd6piL+VsT/qBrLhZe9Ivbjq5WMdkQKnP7gYKCAi pNVJC4enWfivZsYupMd9qn7Uv/oCZDYoBTdMSBUblaLMwlcjnPpOYK5rfHvC4opxl+P/Vzyz 6WC2TLkPtKvYvXmdsI6rnEI4Uucg0Au/Ulg7aqqKhzGPIbVaL+U0Wk82nz6hz+WP2ggTrY1w ZlPlRt8WM9w6WfLf2j+PuGklj37m+KvaOEfLsF1v464dSpy1tQVHhhp8LFTxh/6RWkRIR2uF I4v3Xu/k5D0LhaZHpQ4C+xKsQxpTGuYh2tnRaRL14YMW1dlI3HfeB2gj7Yc8XdHh9vkpPyuT nY/ZsFbnvBtiw7GchKKri2gDhRb2QNNDyBnQn5mRFw7CyuFclAksOdV/sdpQnYlYcRQWOUGY HhQ5eqTRZjm9z+qQe/T0HQpmiPTqQcIaG/edgKVTUjITfA7AJMKLQHgp04Vylb+G6jocnQQX JqvvP09whbqrABEBAAHCwWUEGAECAA8CGwwFAlVcpi8FCRmg08MACgkQyx8mb86fmYHNRQ/+ J0OZsBYP4leJvQF8lx9zif+v4ZY/6C9tTcUv/KNAE5leyrD4IKbnV4PnbrVhjq861it/zRQW cFpWQszZyWRwNPWUUz7ejmm9lAwPbr8xWT4qMSA43VKQ7ZCeTQJ4TC8kjqtcbw41SjkjrcTG wF52zFO4bOWyovVAPncvV9eGA/vtnd3xEZXQiSt91kBSqK28yjxAqK/c3G6i7IX2rg6pzgqh hiH3/1qM2M/LSuqAv0Rwrt/k+pZXE+B4Ud42hwmMr0TfhNxG+X7YKvjKC+SjPjqp0CaztQ0H nsDLSLElVROxCd9m8CAUuHplgmR3seYCOrT4jriMFBtKNPtj2EE4DNV4s7k0Zy+6iRQ8G8ng QjsSqYJx8iAR8JRB7Gm2rQOMv8lSRdjva++GT0VLXtHULdlzg8VjDnFZ3lfz5PWEOeIMk7Rj trjv82EZtrhLuLjHRCaG50OOm0hwPSk1J64R8O3HjSLdertmw7eyAYOo4RuWJguYMg5DRnBk WkRwrSuCn7UG+qVWZeKEsFKFOkynOs3pVbcbq1pxbhk3TRWCGRU5JolI4ohy/7JV1TVbjiDI HP/aVnm6NC8of26P40Pg8EdAhajZnHHjA7FrJXsy3cyIGqvg9os4rNkUWmrCfLLsZDHD8FnU mDW4+i+XlNFUPUYMrIKi9joBhu18ssf5i5Q= In-Reply-To: <20241111-p3t1085-v3-4-bff511550aad@nxp.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241111_233412_354697_9751F6AC X-CRM114-Status: GOOD ( 24.41 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 11/11/24 09:32, Frank Li wrote: > Add support for I3C device in the tmp108 driver to handle the P3T1085 > sensor. Register the I3C device driver to enable I3C functionality for the > sensor. > > Signed-off-by: Frank Li > --- > change from v2 to v3 > - change kconfig to select REGMAP_I3C if enable i3c > - remove i3c/master.h > - remove , after {} > - use #ifdef CONFIG_I3C about i3c register code > > I2C I3C > Y Y support both > Y N i3c part code will not be compiled > N Y whole TPM108 will not be compiled > N N whole TPM108 will not be compiled > --- > drivers/hwmon/Kconfig | 1 + > drivers/hwmon/tmp108.c | 31 +++++++++++++++++++++++++++++++ > 2 files changed, 32 insertions(+) > > diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig > index d43ca7aa4a548..9579db7849e1f 100644 > --- a/drivers/hwmon/Kconfig > +++ b/drivers/hwmon/Kconfig > @@ -2298,6 +2298,7 @@ config SENSORS_TMP108 > tristate "Texas Instruments TMP108" > depends on I2C > select REGMAP_I2C > + select REGMAP_I3C if I3C > help > If you say yes here you get support for Texas Instruments TMP108 > sensor chips and NXP P3T1085. > diff --git a/drivers/hwmon/tmp108.c b/drivers/hwmon/tmp108.c > index bfbea6349a95f..deb1505321335 100644 > --- a/drivers/hwmon/tmp108.c > +++ b/drivers/hwmon/tmp108.c > @@ -13,6 +13,7 @@ > #include > #include > #include > +#include > #include > #include > #include > @@ -442,6 +443,36 @@ static struct i2c_driver tmp108_driver = { > > module_i2c_driver(tmp108_driver); > > +#ifdef CONFIG_I3C > +static const struct i3c_device_id p3t1085_i3c_ids[] = { > + I3C_DEVICE(0x011b, 0x1529, NULL), > + {} > +}; > +MODULE_DEVICE_TABLE(i3c, p3t1085_i3c_ids); > + > +static int p3t1085_i3c_probe(struct i3c_device *i3cdev) > +{ > + struct device *dev = i3cdev_to_dev(i3cdev); > + struct regmap *regmap; > + > + regmap = devm_regmap_init_i3c(i3cdev, &tmp108_regmap_config); It is a bit kludgy, but maybe #ifdef REGMAP_I3C regmap = devm_regmap_init_i3c(i3cdev, &tmp108_regmap_config); #else regmap = ERR_PTR(-ENODEV); #endif and then using module_i3c_i2c_driver() would work. Guenter > + if (IS_ERR(regmap)) > + return dev_err_probe(dev, PTR_ERR(regmap), > + "Failed to register i3c regmap\n"); > + > + return tmp108_common_probe(dev, regmap, "p3t1085_i3c"); > +} > + > +static struct i3c_driver p3t1085_driver = { > + .driver = { > + .name = "p3t1085_i3c", > + }, > + .probe = p3t1085_i3c_probe, > + .id_table = p3t1085_i3c_ids, > +}; > +module_i3c_driver(p3t1085_driver); > +#endif > + > MODULE_AUTHOR("John Muir "); > MODULE_DESCRIPTION("Texas Instruments TMP108 temperature sensor driver"); > MODULE_LICENSE("GPL"); >