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| author | Chen-Yu Tsai <wens@csie.org> | 2016-08-25 14:21:56 +0800 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2016-08-25 22:26:44 +0200 |
| commit | 2b9c875c56f0bec92b301061fe3c2adb5e098b36 (patch) | |
| tree | 8dd42f812d70db69bbcfef42a99cf154e8cdd47d /drivers/clk/sunxi-ng/ccu_mux.h | |
| parent | 89af85253c32b67898c0f8bb06fe6e790e62846f (diff) | |
| download | talos-obmc-linux-2b9c875c56f0bec92b301061fe3c2adb5e098b36.tar.gz talos-obmc-linux-2b9c875c56f0bec92b301061fe3c2adb5e098b36.zip | |
clk: sunxi-ng: mux: Add support for mux tables
Some clock muxes have holes, i.e. invalid or unconnected inputs,
between parent mux values.
Add support for specifying a mux table to map clock parents to
mux values.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Diffstat (limited to 'drivers/clk/sunxi-ng/ccu_mux.h')
| -rw-r--r-- | drivers/clk/sunxi-ng/ccu_mux.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/clk/sunxi-ng/ccu_mux.h b/drivers/clk/sunxi-ng/ccu_mux.h index 83737c2facd4..b1e085612e5e 100644 --- a/drivers/clk/sunxi-ng/ccu_mux.h +++ b/drivers/clk/sunxi-ng/ccu_mux.h @@ -6,8 +6,9 @@ #include "ccu_common.h" struct ccu_mux_internal { - u8 shift; - u8 width; + u8 shift; + u8 width; + const u8 *table; struct { u8 index; @@ -21,12 +22,16 @@ struct ccu_mux_internal { } variable_prediv; }; -#define _SUNXI_CCU_MUX(_shift, _width) \ - { \ - .shift = _shift, \ - .width = _width, \ +#define _SUNXI_CCU_MUX_TABLE(_shift, _width, _table) \ + { \ + .shift = _shift, \ + .width = _width, \ + .table = _table, \ } +#define _SUNXI_CCU_MUX(_shift, _width) \ + _SUNXI_CCU_MUX_TABLE(_shift, _width, NULL) + struct ccu_mux { u16 reg; u32 enable; |
