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reset: imx8mp-audiomix: Extend the driver usage

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Switch to per-device reset map to allow reusing the driver for other NXP
block control IPs.

Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Laurentiu Mihalcea
2025-11-26 04:42:16 -08:00
committed by Philipp Zabel
parent 6d6818abec
commit cc3b1245cd
1 changed files with 19 additions and 2 deletions
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21
drivers/reset/reset-imx8mp-audiomix.c
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@@ -24,7 +24,12 @@ struct imx8mp_reset_map {
bool active_low;
};
static const struct imx8mp_reset_map reset_map[] = {
struct imx8mp_reset_info {
const struct imx8mp_reset_map *map;
int num_lines;
};
static const struct imx8mp_reset_map imx8mp_reset_map[] = {
[IMX8MP_AUDIOMIX_EARC_RESET] = {
.offset = IMX8MP_AUDIOMIX_EARC_RESET_OFFSET,
.mask = BIT(0),
@@ -42,9 +47,15 @@ static const struct imx8mp_reset_map reset_map[] = {
},
};
static const struct imx8mp_reset_info imx8mp_reset_info = {
.map = imx8mp_reset_map,
.num_lines = ARRAY_SIZE(imx8mp_reset_map),
};
struct imx8mp_audiomix_reset {
struct reset_controller_dev rcdev;
struct regmap *regmap;
const struct imx8mp_reset_map *map;
};
static struct imx8mp_audiomix_reset *to_imx8mp_audiomix_reset(struct reset_controller_dev *rcdev)
@@ -56,6 +67,7 @@ static int imx8mp_audiomix_update(struct reset_controller_dev *rcdev,
unsigned long id, bool assert)
{
struct imx8mp_audiomix_reset *priv = to_imx8mp_audiomix_reset(rcdev);
const struct imx8mp_reset_map *reset_map = priv->map;
unsigned int mask, offset, active_low, val;
mask = reset_map[id].mask;
@@ -132,16 +144,20 @@ static int imx8mp_audiomix_reset_get_regmap(struct imx8mp_audiomix_reset *priv)
static int imx8mp_audiomix_reset_probe(struct auxiliary_device *adev,
const struct auxiliary_device_id *id)
{
const struct imx8mp_reset_info *rinfo;
struct imx8mp_audiomix_reset *priv;
struct device *dev = &adev->dev;
int ret;
rinfo = (void *)id->driver_data;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
priv->rcdev.owner = THIS_MODULE;
priv->rcdev.nr_resets = ARRAY_SIZE(reset_map);
priv->map = rinfo->map;
priv->rcdev.nr_resets = rinfo->num_lines;
priv->rcdev.ops = &imx8mp_audiomix_reset_ops;
priv->rcdev.of_node = dev->parent->of_node;
priv->rcdev.dev = dev;
@@ -164,6 +180,7 @@ static int imx8mp_audiomix_reset_probe(struct auxiliary_device *adev,
static const struct auxiliary_device_id imx8mp_audiomix_reset_ids[] = {
{
.name = "clk_imx8mp_audiomix.reset",
.driver_data = (kernel_ulong_t)&imx8mp_reset_info,
},
{ }
};