[PATCH 00/12] clk: mediatek: add OPs to support OF_UPSTREAM

[Christian Marangi]

On Fri, Jun 28, 2024 at 07:40:45PM +0200, Christian Marangi wrote:
> This series doesn't currently change anything and it does add all the
> additional OPs to make support of OF_UPSTREAM.
> 
> While converting the mt7681/7686/7688/7623/7622 it was notice lots of
> discrepancy between the downstream dtsi and the upstream one and the
> clock ID between downstream clock ID and upstream clock ID.
> 
> Upstream reference clock by names and clock are handled by the
> CCF (Common Clock Framework). The same can't be used here as we would
> quickly reach the max space allocated before relocation.
> 
> The current mediatek clock driver reference all the parents and clocks
> with offset from the clk ID related to the different tables.
> 
> Discrepancy between clock ID and the order in the clocks table cause
> one clock referenced for another or even crash for trying to access
> a clock at an offset that doesn't exist.
> 
> To handle this and permit use of OF_UPSTREAM, various measure and
> changes are done to the mediatek clock driver to support it.
> 
> This series have all the generic clock changes. Once this is merged,
> series for each SoC will came that will just change files in their
> dedicated clock driver. This is to prevent massive patch and to
> permit to split series, one for each SoC.
> 
> As said at the start, these changes doesn't cause regression and are
> just expansion to the current API. Current behaviour is saved in every
> possible way (aside from the first 2 patch that fixes latent bugs)
> 
> World compile tested in Azure Pipeline test
> 
> Christian Marangi (12):
>   clk: mediatek: return XTAL rate directly for gates with XTAL parent
>   clk: mediatek: return XTAL rate for infrasys get_mux_rate
>   clk: mediatek: add support for gates in clk_tree for infrasys
>   clk: mediatek: add support for gate ID at offset
>   clk: mediatek: add support for parent mux from different source
>   clk: mediatek: add support for parent mux from different source for
>     topckgen
>   clk: mediatek: add support for gate clock to reference topckgen clock
>   clk: mediatek: provide common clk init function for infrasys
>   clk: mediatek: add support for remapping clock ID
>   clk: mediatek: implement MUX_FLAGS and MUX_MIXED_FLAGS macro
>   clk: mediatek: add support for GATEs for APMIXED OPs
>   clk: mediatek: add support for APMIXED parent in infra MUX
> 
>  drivers/clk/mediatek/clk-mtk.c | 433 ++++++++++++++++++++++++---------
>  drivers/clk/mediatek/clk-mtk.h |  74 +++++-
>  2 files changed, 392 insertions(+), 115 deletions(-)
>

Any news for this? Notice the driver changes got merged. This is
currently blocking 4 more series to convert all the mediatek soc to of
upstream.

-- 
	Ansuel