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| author |   Frank Oltmanns <frank@oltmanns.dev> | 2023-08-07 14:43:42 +0200 |
|---|---|---|
| committer |   Chen-Yu Tsai <wens@csie.org> | 2023-08-09 23:33:59 +0800 |
| commit | 253795abdb04bdc762a9c2dd842ad6e549a9e2d7 (patch) | |
| tree | cb07ee1231a7bd8a5c4064f87f377d63c699ac6f /drivers/clk/sunxi-ng | |
| parent | clk: sunxi-ng: mux: Support finding closest rate (diff) | |
| download | wireguard-linux-253795abdb04bdc762a9c2dd842ad6e549a9e2d7.tar.xz wireguard-linux-253795abdb04bdc762a9c2dd842ad6e549a9e2d7.zip | |
clk: sunxi-ng: div: Support finding closest rate
Add initalization macros for divisor clocks with mux
(SUNXI_CCU_M_WITH_MUX) to support finding the closest rate. This clock
type requires the appropriate flags to be set in the .common structure
(for the mux part of the clock) and the .div part.
Acked-by: Maxime Ripard <mripard@kernel.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Frank Oltmanns <frank@oltmanns.dev>
Link: https://lore.kernel.org/r/20230807-pll-mipi_set_rate_parent-v6-9-f173239a4b59@oltmanns.dev
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Diffstat (limited to 'drivers/clk/sunxi-ng')
| -rw-r--r-- | drivers/clk/sunxi-ng/ccu_div.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/clk/sunxi-ng/ccu_div.h b/drivers/clk/sunxi-ng/ccu_div.h index 948e2b0c0c3b..90d49ee8e0cc 100644 --- a/drivers/clk/sunxi-ng/ccu_div.h +++ b/drivers/clk/sunxi-ng/ccu_div.h @@ -143,6 +143,26 @@ struct ccu_div { }, \ } +#define SUNXI_CCU_M_WITH_MUX_TABLE_GATE_CLOSEST(_struct, _name, \ + _parents, _table, \ + _reg, \ + _mshift, _mwidth, \ + _muxshift, _muxwidth, \ + _gate, _flags) \ + struct ccu_div _struct = { \ + .enable = _gate, \ + .div = _SUNXI_CCU_DIV_FLAGS(_mshift, _mwidth, CLK_DIVIDER_ROUND_CLOSEST), \ + .mux = _SUNXI_CCU_MUX_TABLE(_muxshift, _muxwidth, _table), \ + .common = { \ + .reg = _reg, \ + .hw.init = CLK_HW_INIT_PARENTS(_name, \ + _parents, \ + &ccu_div_ops, \ + _flags), \ + .features = CCU_FEATURE_CLOSEST_RATE, \ + }, \ + } + #define SUNXI_CCU_M_WITH_MUX_GATE(_struct, _name, _parents, _reg, \ _mshift, _mwidth, _muxshift, _muxwidth, \ _gate, _flags) \ @@ -152,6 +172,16 @@ struct ccu_div { _muxshift, _muxwidth, \ _gate, _flags) +#define SUNXI_CCU_M_WITH_MUX_GATE_CLOSEST(_struct, _name, _parents, \ + _reg, _mshift, _mwidth, \ + _muxshift, _muxwidth, \ + _gate, _flags) \ + SUNXI_CCU_M_WITH_MUX_TABLE_GATE_CLOSEST(_struct, _name, \ + _parents, NULL, \ + _reg, _mshift, _mwidth, \ + _muxshift, _muxwidth, \ + _gate, _flags) + #define SUNXI_CCU_M_WITH_MUX(_struct, _name, _parents, _reg, \ _mshift, _mwidth, _muxshift, _muxwidth, \ _flags) \ |