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authorAlexandre Belloni2019-03-20 13:40:37 +0100
committerAlexandre Belloni2019-04-04 10:07:09 +0200
commit1a76a77c8800a50b98bd38b7b1ffec32fe107bc1 (patch)
treef26eb5bfee3345aa13784709ea715d64d2554101
parentbeee05dfbead2331a3183dee8ddcf10066278355 (diff)
rtc: at91sam9: drop platform_data support
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>
-rw-r--r--drivers/rtc/Kconfig2
-rw-r--r--drivers/rtc/rtc-at91sam9.c44
2 files changed, 9 insertions, 37 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 805e4ace30ca..dc0d66e80038 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -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
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index 1d31c0ae6334..7ec114b59513 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -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,