[PATCH v9 3/6] clk: spacemit: set up reset auxiliary devices

[Haylen Chu]

On Mon, May 12, 2025 at 01:32:08PM -0500, Alex Elder wrote:
> Add a new reset_name field to the spacemit_ccu_data structure.  If it is
> non-null, the CCU implements a reset controller, and the name will be
> used in the name for the auxiliary device that implements it.
> 
> Define a new type to hold an auxiliary device as well as the regmap
> pointer that will be needed by CCU reset controllers.  Set up code to
> initialize and add an auxiliary device for any CCU that implements reset
> functionality.
> 
> Make it optional for a CCU to implement a clock controller.  This
> doesn't apply to any of the existing CCUs but will for some new ones
> that will be added soon.
> 
> Signed-off-by: Alex Elder <elder at riscstar.com>
> ---
> v9: Use ida_alloc() to assign the unique auxiliary device ID
> 
>  drivers/clk/spacemit/Kconfig     |   1 +
>  drivers/clk/spacemit/ccu-k1.c    | 104 ++++++++++++++++++++++++++++---
>  include/soc/spacemit/k1-syscon.h |  12 ++++
>  3 files changed, 107 insertions(+), 10 deletions(-)

Reviewed-by: Haylen Chu <heylenay at 4d2.org>