[PATCH v2] arm64: dts: rockchip: use cs-gpios for spi1 on ringneck

[Heiko Stuebner]

On Fri, 27 Jun 2025 15:17:12 +0200, Jakob Unterwurzacher wrote:
> Hardware CS has a very slow rise time of about 6us,
> causing transmission errors when CS does not reach
> high between transaction.
> 
> It looks like it's not driven actively when transitioning
> from low to high but switched to input, so only the CPU
> pull-up pulls it high, slowly. Transitions from high to low
> are fast. On the oscilloscope, CS looks like an irregular sawtooth
> pattern like this:
>                          _____
>               ^         /     |
>       ^      /|        /      |
>      /|     / |       /       |
>     / |    /  |      /        |
> ___/  |___/   |_____/         |___
> 
> [...]

Applied, thanks!

[1/1] arm64: dts: rockchip: use cs-gpios for spi1 on ringneck
      commit: 53b6445ad08f07b6f4a84f1434f543196009ed89

Best regards,
-- 
Heiko Stuebner <heiko at sntech.de>