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([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-720bc1b9ceasm8179677b3a.28.2024.11.04.17.20.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 04 Nov 2024 17:20:31 -0800 (PST) Sender: Guenter Roeck Message-ID: <0f855c81-ce0e-41e8-ae08-5f653d3ca8b0@roeck-us.net> Date: Mon, 4 Nov 2024 17:20:30 -0800 Precedence: bulk X-Mailing-List: linux-hwmon@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 2/2] dt-bindings: hwmon: isl68137: add bindings to support voltage dividers To: Rob Herring , Grant Peltier Cc: geert+renesas@glider.be, magnus.damm@gmail.com, grant.peltier.jg@renesas.com, brandon.howell.jg@renesas.com, linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org References: <1dff1f63a2e122788e2c17f192472705491aa5b8.1730326916.git.grantpeltier93@gmail.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: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 11/4/24 07:08, Rob Herring wrote: > On Wed, Oct 30, 2024 at 5:41 PM Grant Peltier wrote: >> >> Add devicetree bindings to support declaring optional voltage dividers to >> the rail outputs of supported digital multiphase regulators. Some >> applications require Vout to exceed the voltage range that the Vsense pin >> can detect. This binding definition allows users to define the >> characteristics of a voltage divider placed between Vout and the Vsense >> pin for any rail powered by the device. >> >> These bindings copy the vout-voltage-divider property defined in the >> maxim,max20730 bindings schema since it is the best fit for the use case >> of scaling hwmon PMBus telemetry. The generic voltage-divider property >> used by many iio drivers was determined to be a poor fit because that >> schema is tied directly to iio for the purpose of scaling io-channel >> voltages and the isl68137 driver is not an iio driver. >> >> Signed-off-by: Grant Peltier >> --- >> .../hwmon/pmbus/renesas,isl68137.yaml | 147 ++++++++++++++++++ >> 1 file changed, 147 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/hwmon/pmbus/renesas,isl68137.yaml >> >> diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/renesas,isl68137.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/renesas,isl68137.yaml >> new file mode 100644 >> index 000000000000..ed659c2baadf >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/hwmon/pmbus/renesas,isl68137.yaml >> @@ -0,0 +1,147 @@ >> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> + >> +$id: http://devicetree.org/schemas/hwmon/pmbus/renesas,isl68137.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: Renesas Digital Multiphase Voltage Regulators with PMBus >> + >> +maintainers: >> + - Grant Peltier >> + >> +description: | >> + Renesas digital multiphase voltage regulators with PMBus. >> + https://www.renesas.com/en/products/power-management/multiphase-power/multiphase-dcdc-switching-controllers >> + >> +properties: >> + compatible: >> + enum: > > Somehow "isl68137" is missing from your list. "make > dt_compatible_check" reports it as not documented. > Turns out it is also documented as "isil,isl68137" in trivial-devices.yaml (together with isil,isl69260). Both are referenced in .dts files. How should that be handled ? Thanks, Guenter >> + - renesas,isl68220 >> + - renesas,isl68221 >> + - renesas,isl68222 >> + - renesas,isl68223 >> + - renesas,isl68224 >> + - renesas,isl68225 >> + - renesas,isl68226 >> + - renesas,isl68227 >> + - renesas,isl68229 >> + - renesas,isl68233 >> + - renesas,isl68239 >> + - renesas,isl69222 >> + - renesas,isl69223 >> + - renesas,isl69224 >> + - renesas,isl69225 >> + - renesas,isl69227 >> + - renesas,isl69228 >> + - renesas,isl69234 >> + - renesas,isl69236 >> + - renesas,isl69239 >> + - renesas,isl69242 >> + - renesas,isl69243 >> + - renesas,isl69247 >> + - renesas,isl69248 >> + - renesas,isl69254 >> + - renesas,isl69255 >> + - renesas,isl69256 >> + - renesas,isl69259 >> + - renesas,isl69260 >> + - renesas,isl69268 >> + - renesas,isl69269 >> + - renesas,isl69298 >> + - renesas,raa228000 >> + - renesas,raa228004 >> + - renesas,raa228006 >> + - renesas,raa228228 >> + - renesas,raa229001 >> + - renesas,raa229004