Commit cc3b1245 authored by Laurentiu Mihalcea's avatar Laurentiu Mihalcea Committed by Philipp Zabel
Browse files

reset: imx8mp-audiomix: Extend the driver usage 



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

Reviewed-by: default avatarDaniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: default avatarFrank Li <Frank.Li@nxp.com>
Signed-off-by: default avatarLaurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Reviewed-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
parent 6d6818ab

drivers/reset/reset-imx8mp-audiomix.c

+19 −2
Original line number Diff line number Diff line
@@ -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,

	},

	{ }

};