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| author | Biju Das <biju.das.jz@bp.renesas.com> | 2021-09-22 16:51:44 +0100 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2021-09-24 15:11:05 +0200 |
| commit | 32897e6fff196a5de4981030466ae391dfe56c7b (patch) | |
| tree | eb20f75de0e391ec47e7d16143910ea6f56e1ff5 /drivers/clk/renesas/rzg2l-cpg.h | |
| parent | 70a4af3662e073768a68a7ed5a82f49677cbde0c (diff) | |
| download | linux-stable-32897e6fff196a5de4981030466ae391dfe56c7b.tar.gz linux-stable-32897e6fff196a5de4981030466ae391dfe56c7b.tar.bz2 linux-stable-32897e6fff196a5de4981030466ae391dfe56c7b.zip | |
clk: renesas: rzg2l: Add support to handle coupled clocks
The AXI and CHI clocks use the same register bit for controlling clock
output. Add a new clock type for coupled clocks, which sets the
CPG_CLKON_ETH.CLK[01]_ON bit when at least one clock is enabled, and
clears the bit only when both clocks are disabled.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210922155145.28156-4-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'drivers/clk/renesas/rzg2l-cpg.h')
| -rw-r--r-- | drivers/clk/renesas/rzg2l-cpg.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/clk/renesas/rzg2l-cpg.h b/drivers/clk/renesas/rzg2l-cpg.h index 5202c0512483..191c403aa52f 100644 --- a/drivers/clk/renesas/rzg2l-cpg.h +++ b/drivers/clk/renesas/rzg2l-cpg.h @@ -93,6 +93,7 @@ enum clk_types { * @parent: id of parent clock * @off: register offset * @bit: ON/MON bit + * @is_coupled: flag to indicate coupled clock */ struct rzg2l_mod_clk { const char *name; @@ -100,17 +101,25 @@ struct rzg2l_mod_clk { unsigned int parent; u16 off; u8 bit; + bool is_coupled; }; -#define DEF_MOD(_name, _id, _parent, _off, _bit) \ +#define DEF_MOD_BASE(_name, _id, _parent, _off, _bit, _is_coupled) \ { \ .name = _name, \ .id = MOD_CLK_BASE + (_id), \ .parent = (_parent), \ .off = (_off), \ .bit = (_bit), \ + .is_coupled = (_is_coupled), \ } +#define DEF_MOD(_name, _id, _parent, _off, _bit) \ + DEF_MOD_BASE(_name, _id, _parent, _off, _bit, false) + +#define DEF_COUPLED(_name, _id, _parent, _off, _bit) \ + DEF_MOD_BASE(_name, _id, _parent, _off, _bit, true) + /** * struct rzg2l_reset - Reset definitions * |