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power: reset: at91-reset: introduce struct at91_reset_data

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Introduce struct at91_reset_data to be able to provide per SoC
data. At the moment this being only notifier callback.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Claudiu.Beznea@microchip.com 2020-01-21 10:03:32 +00:00 committed by Sebastian Reichel
parent 583ef884c8
commit a5bbad258a
1 changed files with 44 additions and 6 deletions
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50
drivers/power/reset/at91-reset.c
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@ -49,6 +49,11 @@ enum reset_type {
RESET_TYPE_ULP2 = 8,
};
struct at91_reset_data {
int (*notifier_call)(struct notifier_block *this, unsigned long mode,
void *cmd);
};
struct at91_reset {
void __iomem *rstc_base;
void __iomem *ramc_base[2];
@ -203,18 +208,50 @@ static const struct of_device_id at91_ramc_of_match[] = {
{ /* sentinel */ }
};
static const struct at91_reset_data at91sam9260_reset_data = {
.notifier_call = at91sam9260_restart,
};
static const struct at91_reset_data at91sam9g45_reset_data = {
.notifier_call = at91sam9g45_restart,
};
static const struct at91_reset_data sama5d3_reset_data = {
.notifier_call = sama5d3_restart,
};
static const struct at91_reset_data samx7_reset_data = {
.notifier_call = samx7_restart,
};
static const struct of_device_id at91_reset_of_match[] = {
{ .compatible = "atmel,at91sam9260-rstc", .data = at91sam9260_restart },
{ .compatible = "atmel,at91sam9g45-rstc", .data = at91sam9g45_restart },
{ .compatible = "atmel,sama5d3-rstc", .data = sama5d3_restart },
{ .compatible = "atmel,samx7-rstc", .data = samx7_restart },
{ .compatible = "microchip,sam9x60-rstc", .data = samx7_restart },
{
.compatible = "atmel,at91sam9260-rstc",
.data = &at91sam9260_reset_data
},
{
.compatible = "atmel,at91sam9g45-rstc",
.data = &at91sam9g45_reset_data
},
{
.compatible = "atmel,sama5d3-rstc",
.data = &sama5d3_reset_data
},
{
.compatible = "atmel,samx7-rstc",
.data = &samx7_reset_data
},
{
.compatible = "microchip,sam9x60-rstc",
.data = &samx7_reset_data
},
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, at91_reset_of_match);
static int __init at91_reset_probe(struct platform_device *pdev)
{
const struct at91_reset_data *reset_data;
const struct of_device_id *match;
struct at91_reset *reset;
struct device_node *np;
@ -244,7 +281,8 @@ static int __init at91_reset_probe(struct platform_device *pdev)
}
match = of_match_node(at91_reset_of_match, pdev->dev.of_node);
reset->nb.notifier_call = match->data;
reset_data = match->data;
reset->nb.notifier_call = reset_data->notifier_call;
reset->nb.priority = 192;
reset->sclk = devm_clk_get(&pdev->dev, NULL);