diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2025-04-17 23:23:28 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2025-04-26 02:17:36 +0100 |
| commit | 0cc88846cbfb3018c036a20390acb1e35de03e1d (patch) | |
| tree | 095992a30465aedec396f44e83c953c97170862c | |
| parent | a714b31225bce9ce2732f6193f28f371093492f0 (diff) | |
ASoC: renesas: rsnd: enable to use "adg" clock
ADG needs its MSTP to use it, and it was handled as "clk_i" before.
R-Car Gen2/Gen3 are using it, but Gen4 doesn't have it.
"clk_i" is not intuitive for ADG MSTP.
Let's enable to use "adg" clock. It can keep compatible with R-Car
Gen2/Gen3 and Gen4.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87sem62x00.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/renesas/rcar/adg.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sound/soc/renesas/rcar/adg.c b/sound/soc/renesas/rcar/adg.c index e6b7273b27ad..8641b73d1f77 100644 --- a/sound/soc/renesas/rcar/adg.c +++ b/sound/soc/renesas/rcar/adg.c @@ -31,6 +31,7 @@ static struct rsnd_mod_ops adg_ops = { #define ADG_HZ_SIZE 2 struct rsnd_adg { + struct clk *adg; struct clk *clkin[CLKINMAX]; struct clk *clkout[CLKOUTMAX]; struct clk *null_clk; @@ -386,6 +387,10 @@ int rsnd_adg_clk_control(struct rsnd_priv *priv, int enable) int ret = 0, i; if (enable) { + ret = clk_prepare_enable(adg->adg); + if (ret < 0) + return ret; + rsnd_mod_bset(adg_mod, BRGCKR, 0x80770000, adg->ckr); rsnd_mod_write(adg_mod, BRRA, adg->brga); rsnd_mod_write(adg_mod, BRRB, adg->brgb); @@ -419,6 +424,10 @@ int rsnd_adg_clk_control(struct rsnd_priv *priv, int enable) if (ret < 0) rsnd_adg_clk_disable(priv); + /* disable adg */ + if (!enable) + clk_disable_unprepare(adg->adg); + return ret; } @@ -475,6 +484,16 @@ static int rsnd_adg_get_clkin(struct rsnd_priv *priv) clkin_size = ARRAY_SIZE(clkin_name_gen4); } + /* + * get adg + * No "adg" is not error + */ + clk = devm_clk_get(dev, "adg"); + if (IS_ERR_OR_NULL(clk)) + clk = rsnd_adg_null_clk_get(priv); + adg->adg = clk; + + /* get clkin */ for (i = 0; i < clkin_size; i++) { clk = devm_clk_get(dev, clkin_name[i]); |