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rtc: at91sam9: drop platform_data support

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ARCH_AT91 is DT only for a while, drop platform data support.

Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2019-03-20 13:40:37 +01:00
parent beee05dfbe
commit 1a76a77c88
2 changed files with 9 additions and 37 deletions
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2
drivers/rtc/Kconfig
View file

@ -1432,7 +1432,7 @@ config RTC_DRV_AT91RM9200
config RTC_DRV_AT91SAM9
tristate "AT91SAM9 RTT as RTC"
depends on ARCH_AT91 || COMPILE_TEST
depends on HAS_IOMEM
depends on OF && HAS_IOMEM
select MFD_SYSCON
help
Some AT91SAM9 SoCs provide an RTT (Real Time Timer) block which

44
drivers/rtc/rtc-at91sam9.c
View file

@ -340,13 +340,6 @@ static const struct rtc_class_ops at91_rtc_ops = {
.alarm_irq_enable = at91_rtc_alarm_irq_enable,
};
static const struct regmap_config gpbr_regmap_config = {
.name = "gpbr",
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
};
/*
* Initialize and install RTC driver
*/
@ -357,6 +350,7 @@ static int at91_rtc_probe(struct platform_device *pdev)
int ret, irq;
u32 mr;
unsigned int sclk_rate;
struct of_phandle_args args;
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
@ -382,34 +376,14 @@ static int at91_rtc_probe(struct platform_device *pdev)
if (IS_ERR(rtc->rtt))
return PTR_ERR(rtc->rtt);
if (!pdev->dev.of_node) {
/*
* TODO: Remove this code chunk when removing non DT board
* support. Remember to remove the gpbr_regmap_config
* variable too.
*/
void __iomem *gpbr;
r = platform_get_resource(pdev, IORESOURCE_MEM, 1);
gpbr = devm_ioremap_resource(&pdev->dev, r);
if (IS_ERR(gpbr))
return PTR_ERR(gpbr);
rtc->gpbr = regmap_init_mmio(NULL, gpbr,
&gpbr_regmap_config);
} else {
struct of_phandle_args args;
ret = of_parse_phandle_with_fixed_args(pdev->dev.of_node,
"atmel,rtt-rtc-time-reg", 1, 0,
&args);
if (ret)
return ret;
rtc->gpbr = syscon_node_to_regmap(args.np);
rtc->gpbr_offset = args.args[0];
}
ret = of_parse_phandle_with_fixed_args(pdev->dev.of_node,
"atmel,rtt-rtc-time-reg", 1, 0,
&args);
if (ret)
return ret;
rtc->gpbr = syscon_node_to_regmap(args.np);
rtc->gpbr_offset = args.args[0];
if (IS_ERR(rtc->gpbr)) {
dev_err(&pdev->dev, "failed to retrieve gpbr regmap, aborting.\n");
return -ENOMEM;
@ -561,13 +535,11 @@ static int at91_rtc_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(at91_rtc_pm_ops, at91_rtc_suspend, at91_rtc_resume);
#ifdef CONFIG_OF
static const struct of_device_id at91_rtc_dt_ids[] = {
{ .compatible = "atmel,at91sam9260-rtt" },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, at91_rtc_dt_ids);
#endif
static struct platform_driver at91_rtc_driver = {
.probe = at91_rtc_probe,