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ASoC: rsnd: Add ADG reset support for RZ/G3E

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RZ/G3E requires the ADG reset line to be deasserted for the audio
subsystem to operate. The ADG module clock is already managed via
rsnd_adg_clk_enable/disable() through adg->adg, so no additional
clock handling is needed.

Add support for the optional "adg" reset control on Renesas RZ/G3E SoC.

Signed-off-by: John Madieu <john.madieu.xa@bp.renesas.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/20260525110230.4014435-13-john.madieu.xa@bp.renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
John Madieu 2026-05-25 11:02:24 +00:00 committed by Mark Brown
parent 692f03422f
commit 9267b89985
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GPG Key ID: 24D68B725D5487D0
1 changed files with 6 additions and 2 deletions
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8
sound/soc/renesas/rcar/adg.c
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@ -771,6 +771,7 @@ void rsnd_adg_clk_dbg_info(struct rsnd_priv *priv, struct seq_file *m)
int rsnd_adg_probe(struct rsnd_priv *priv)
{
struct reset_control *rstc;
struct rsnd_adg *adg;
struct device *dev = rsnd_priv_to_dev(priv);
int ret;
@ -779,8 +780,11 @@ int rsnd_adg_probe(struct rsnd_priv *priv)
if (!adg)
return -ENOMEM;
ret = rsnd_mod_init(priv, &adg->mod, &adg_ops,
NULL, NULL, 0, 0);
rstc = devm_reset_control_get_optional_exclusive(dev, "adg");
if (IS_ERR(rstc))
return dev_err_probe(dev, PTR_ERR(rstc), "failed to get adg reset\n");
ret = rsnd_mod_init(priv, &adg->mod, &adg_ops, NULL, rstc, 0, 0);
if (ret)
return ret;