diff options
| author | Frank Oltmanns <frank@oltmanns.dev> | 2024-03-10 16:21:13 +0300 |
|---|---|---|
| committer | Jernej Skrabec <jernej.skrabec@gmail.com> | 2024-04-16 00:23:09 +0300 |
| commit | 5723879c145255d2502a3f8f3a21a16332b24366 (patch) | |
| tree | b3876ce829aed94cda7ac3c70066a0306010af89 /drivers/clk/sunxi-ng/ccu_nkm.h | |
| parent | 4cece764965020c22cff7665b18a012006359095 (diff) | |
| download | linux-5723879c145255d2502a3f8f3a21a16332b24366.tar.xz | |
clk: sunxi-ng: nkm: Support constraints on m/n ratio and parent rate
The Allwinner A64 manual lists the following constraints for the
PLL-MIPI clock:
- M/N <= 3
- (PLL_VIDEO0)/M >= 24MHz
The PLL-MIPI clock is implemented as ccu_nkm. Therefore, add support for
these constraints.
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Frank Oltmanns <frank@oltmanns.dev>
Link: https://lore.kernel.org/r/20240310-pinephone-pll-fixes-v4-3-46fc80c83637@oltmanns.dev
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Diffstat (limited to 'drivers/clk/sunxi-ng/ccu_nkm.h')
| -rw-r--r-- | drivers/clk/sunxi-ng/ccu_nkm.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/clk/sunxi-ng/ccu_nkm.h b/drivers/clk/sunxi-ng/ccu_nkm.h index 6601defb3f38..c409212ee40e 100644 --- a/drivers/clk/sunxi-ng/ccu_nkm.h +++ b/drivers/clk/sunxi-ng/ccu_nkm.h @@ -27,6 +27,8 @@ struct ccu_nkm { struct ccu_mux_internal mux; unsigned int fixed_post_div; + unsigned long max_m_n_ratio; + unsigned long min_parent_m_ratio; struct ccu_common common; }; |