[PATCH v2 0/2] clk: add a stub clock driver

[Neil Armstrong]

On 27/05/2024 19:12, Caleb Connolly wrote:
> As U-Boot works to align itself with upstream devicetrees, there are
> some common issues we start to run into, that of hardware blocks which
> might be important for an OS like Linux, but which aren't useful in
> U-Boot.
> 
> For example, the Resource Power Manager found on Qualcomm platforms
> includes clock controllers and power domains which are only useful for
> managing power consumption and enabling low power states.
> 
> As this is not at all relevant for U-Boot, we can safely ignore these
> devices, but we don't have a good way to communicate that to U-Boot.
> 
> As an initial step, implement a "stub" clock driver which can be bound
> to these devices so that drivers will work as expected. Make the
> Qualcomm SM6115 RPMCC the first user of this, and enable the driver for
> Qualcomm platforms.
> 
> To: Tom Rini <trini at konsulko.com>
> To: Lukasz Majewski <lukma at denx.de>
> To: Sean Anderson <seanga2 at gmail.com>
> To: Caleb Connolly <caleb.connolly at linaro.org>
> To: Neil Armstrong <neil.armstrong at linaro.org>
> To: Sumit Garg <sumit.garg at linaro.org>
> Cc: Heinrich Schuchardt <xypron.glpk at gmx.de>
> Cc: Ilias Apalodimas <ilias.apalodimas at linaro.org>
> Cc: u-boot at lists.denx.de
> Cc: u-boot-qcom at groups.io
> 
> Changes in v2:
> - Take the other discussed approach of just implementing a stub driver.
> - Link to v1: https://lore.kernel.org/r/20240410-b4-stub-drivers-v1-0-6935bd2c07d1@linaro.org
> 
> ---
> Caleb Connolly (2):
>        clk: add stub clock driver
>        qcom_defconfig: enable stub clock
> 
>   configs/qcom_defconfig |  1 +
>   drivers/clk/Kconfig    |  7 ++++++
>   drivers/clk/Makefile   |  1 +
>   drivers/clk/clk-stub.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++
>   4 files changed, 72 insertions(+)
> ---
> change-id: 20240527-b4-clk-stub-9698797a65ef
> base-commit: 7e52d6ccfb76e2afc2d183b357abe2a2e2f948cf
> 
> // Caleb (they/them)
> 

LGTM

Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>