[PATCH 6/9] riscv: dts: spacemit: Add pinctrl configurations for PWM0-PWM19

[Samuel Holland]

Hi Inochi,

On 2025-04-11 5:50 PM, Inochi Amaoto wrote:
> On Fri, Apr 11, 2025 at 09:14:20PM +0800, Guodong Xu wrote:
>> Add pinctrl configurations for PWM0 to PWM19 in the SpacemiT K1
>> device tree source file. Each PWM instance is assigned multiple
>> pinmux configurations corresponding to different GPIOs and
>> function modes.
>>
>> Configurations include:
>> - Mapping GPIOs to appropriate pinctrl nodes for PWM functionality
>> - Specifying bias-pull-up and drive-strength attributes
>>
>> These updates ensure proper pin multiplexing and drive strength
>> settings for PWM signals on the SpacemiT K1 SoC when selected.
>>
>> Signed-off-by: Guodong Xu <guodong at riscstar.com>
>> ---
>>  arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi | 315 +++++++++++++++++++
>>  1 file changed, 315 insertions(+)
>>
> 
> I think this is too much, I think it is necessary to leave
> already used one.

If your concern is about compiled DTB size, you can use /omit-if-no-ref/ for
each of these nodes, so only the pinmux nodes actually referenced by a
controller are included in the DTB.

Regards,
Samuel