On 28/07/2024 14:56, Alex Lanzano wrote: >>>>> + >>>>> + spi-cs-high: true >>>> >>>> You can drop it. >>>> >>> >>> This is a required property in order for the display to function correctly. >>> But I have no issues removing it if there's a better place to document it. >> >> The sharp LCD device or the board (e.g. via some inversion)? >> > > The sharp LCD device itself. > > https://cdn.sparkfun.com/assets/d/e/8/9/7/LS013B7DH03_datasheet.pdf > Page 16 of the PDF below shows the timing chart for it if interested OK, so you enforce chip select as always high and then someone comes with a board which has a inversion and expect the SoC to drive it low, as usually? In such system this would not work, would it? IOW, I think this is the first case where you require specific CS high and this should make you think why... Best regards, Krzysztof
