[PATCH v9 3/3] clk: wpcm450: Add Nuvoton WPCM450 clock/reset controller driver

[J. Neuschäfer]

On Sat, Sep 23, 2023 at 04:34:38PM +0200, Jonathan Neuschäfer wrote:
> This driver implements the following features w.r.t. the clock and reset
> controller in the WPCM450 SoC:
> 
> - It calculates the rates for all clocks managed by the clock controller
> - It leaves the clock tree mostly unchanged, except that it enables/
>   disables clock gates based on usage.
> - It exposes the reset lines managed by the controller using the
>   Generic Reset Controller subsystem
> 
> NOTE: If the driver and the corresponding devicetree node are present,
>       the driver will disable "unused" clocks. This is problem until
>       the clock relations are properly declared in the devicetree (in a
>       later patch). Until then, the clk_ignore_unused kernel parameter
>       can be used as a workaround.
> 
> Signed-off-by: Jonathan Neuschäfer <j.neuschaefer at gmx.net>
> Reviewed-by: Joel Stanley <joel at jms.id.au>
> ---
[...]
> +config CLK_WPCM450
> +	bool "Nuvoton WPCM450 clock/reset controller support"
> +	default y
> +	help
> +	  Build the clock and reset controller driver for the WPCM450 SoC.
> +
[...]
>  config RESET_SIMPLE
>  	bool "Simple Reset Controller Driver" if COMPILE_TEST || EXPERT
> -	default ARCH_ASPEED || ARCH_BCMBCA || ARCH_BITMAIN || ARCH_REALTEK || ARCH_STM32 || (ARCH_INTEL_SOCFPGA && ARM64) || ARCH_SUNXI || ARC
> +	default ARCH_ASPEED || ARCH_BCMBCA || ARCH_BITMAIN || ARCH_REALTEK || ARCH_STM32 || (ARCH_INTEL_SOCFPGA && ARM64) || ARCH_SUNXI || ARC || ARCH_WPCM450

Considering the build bot failures and the fragility of adding tons of
platforms to this "default" line, I think I'll just select RESET_CONTROLLER
and RESET_SIMPLE from CLK_WPCM450.

Jonathan
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