Re: [PATCH v8 0/8] Add VIM4 MCU/FAN support
Daniel Lezcano <[email protected]>
| Newsgroups | org.infradead.lists.linux-amlogic,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-i2c,org.kernel.vger.linux-kernel,org.kernel.vger.linux-pm |
|---|---|
| Message-ID | <[email protected]> |
On 7/2/26 11:55, Ronald Claveau via B4 Relay wrote: > The Khadas VIM4 board features a different MCU variant compared to > previous VIM boards. > While it shares the same I2C-based communication model, > it differs in some ways: > > - A distinct register map with its own volatile/writeable register set > - A fan control with 0–100 levels instead of the 0–3 levels previously That means for a eg. 100 ms polling, the first one takes 10s to reach the max speed, while the second takes 300ms, right ? > - A fan power supply gated through a regulator > > This series adds support for this new variant by: > > 1. Refactoring the khadas-mcu MFD driver to use per-variant data > structures (regmap config, cells, fan platform data), > and adding the khadas,vim4-mcu compatible string. > > 2. Extending the fan thermal driver to retrieve the fan register > and maximum level from platform_data, > and to optionally manage a power regulator for the fan supply. Through which tree do you expect patch 5/8 to go ? _______________________________________________ linux-amlogic mailing list [email protected] http://lists.infradead.org/mailman/listinfo/linux-amlogic