On 17/11/2022 20:05, Lin, Meng-Bo wrote: > The Samsung touchscreen controllers are often used with external pull-up Samsung or Cypress? > for the interrupt line and the I2C lines, so we might need to enable > a regulator to bring the lines into usable state. Otherwise, this might > cause spurious interrupts and reading from I2C will fail. > > Document support for a "vddio-supply" that is enabled by the cyttsp5 > driver so that the regulator gets enabled when needed. > Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Best regards, Krzysztof