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mfd: sec: Add rtc alarm IRQ as platform device resource 

By adding the RTC alarm IRQ to the MFD cell as a resource, the child
driver (rtc) can simply query that IRQ, instead of having a lookup
table itself.

This change therefore allows the child driver to be simplified with
regards to determining the alarm IRQ.

Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20260113-s5m-alarm-v3-1-855a19db1277@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
master
André Draszik 2026-01-13 14:03:11 +00:00 committed by Lee Jones
parent 8f0b4cce44
commit 153ae5c52b
1 changed files with 29 additions and 9 deletions
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38
drivers/mfd/sec-common.c
View File

@ -23,9 +23,13 @@
#include <linux/regmap.h>
#include "sec-core.h"
static const struct resource s5m8767_rtc_resources[] = {
DEFINE_RES_IRQ_NAMED(S5M8767_IRQ_RTCA1, "alarm"),
};
static const struct mfd_cell s5m8767_devs[] = {
MFD_CELL_NAME("s5m8767-pmic"),
MFD_CELL_NAME("s5m-rtc"),
MFD_CELL_RES("s5m-rtc", s5m8767_rtc_resources),
MFD_CELL_OF("s5m8767-clk", NULL, NULL, 0, 0, "samsung,s5m8767-clk"),
};
@ -33,50 +37,66 @@ static const struct mfd_cell s2dos05_devs[] = {
MFD_CELL_NAME("s2dos05-regulator"),
};
static const struct resource s2mpg10_rtc_resources[] = {
DEFINE_RES_IRQ_NAMED(S2MPG10_IRQ_RTCA0, "alarm"),
};
static const struct mfd_cell s2mpg10_devs[] = {
MFD_CELL_NAME("s2mpg10-meter"),
MFD_CELL_NAME("s2mpg10-regulator"),
MFD_CELL_NAME("s2mpg10-rtc"),
MFD_CELL_RES("s2mpg10-rtc", s2mpg10_rtc_resources),
MFD_CELL_OF("s2mpg10-clk", NULL, NULL, 0, 0, "samsung,s2mpg10-clk"),
MFD_CELL_OF("s2mpg10-gpio", NULL, NULL, 0, 0, "samsung,s2mpg10-gpio"),
};
static const struct resource s2mps11_rtc_resources[] = {
DEFINE_RES_IRQ_NAMED(S2MPS11_IRQ_RTCA0, "alarm"),
};
static const struct mfd_cell s2mps11_devs[] = {
MFD_CELL_NAME("s2mps11-regulator"),
MFD_CELL_NAME("s2mps14-rtc"),
MFD_CELL_RES("s2mps14-rtc", s2mps11_rtc_resources),
MFD_CELL_OF("s2mps11-clk", NULL, NULL, 0, 0, "samsung,s2mps11-clk"),
};
static const struct resource s2mps14_rtc_resources[] = {
DEFINE_RES_IRQ_NAMED(S2MPS14_IRQ_RTCA0, "alarm"),
};
static const struct mfd_cell s2mps13_devs[] = {
MFD_CELL_NAME("s2mps13-regulator"),
MFD_CELL_NAME("s2mps13-rtc"),
MFD_CELL_RES("s2mps13-rtc", s2mps14_rtc_resources),
MFD_CELL_OF("s2mps13-clk", NULL, NULL, 0, 0, "samsung,s2mps13-clk"),
};
static const struct mfd_cell s2mps14_devs[] = {
MFD_CELL_NAME("s2mps14-regulator"),
MFD_CELL_NAME("s2mps14-rtc"),
MFD_CELL_RES("s2mps14-rtc", s2mps14_rtc_resources),
MFD_CELL_OF("s2mps14-clk", NULL, NULL, 0, 0, "samsung,s2mps14-clk"),
};
static const struct mfd_cell s2mps15_devs[] = {
MFD_CELL_NAME("s2mps15-regulator"),
MFD_CELL_NAME("s2mps15-rtc"),
MFD_CELL_RES("s2mps15-rtc", s2mps14_rtc_resources),
MFD_CELL_OF("s2mps13-clk", NULL, NULL, 0, 0, "samsung,s2mps13-clk"),
};
static const struct mfd_cell s2mpa01_devs[] = {
MFD_CELL_NAME("s2mpa01-pmic"),
MFD_CELL_NAME("s2mps14-rtc"),
MFD_CELL_RES("s2mps14-rtc", s2mps14_rtc_resources),
};
static const struct mfd_cell s2mpu02_devs[] = {
MFD_CELL_NAME("s2mpu02-regulator"),
};
static const struct resource s2mpu05_rtc_resources[] = {
DEFINE_RES_IRQ_NAMED(S2MPU05_IRQ_RTCA0, "alarm"),
};
static const struct mfd_cell s2mpu05_devs[] = {
MFD_CELL_NAME("s2mpu05-regulator"),
MFD_CELL_NAME("s2mps15-rtc"),
MFD_CELL_RES("s2mps15-rtc", s2mpu05_rtc_resources),
};
static void sec_pmic_dump_rev(struct sec_pmic_dev *sec_pmic)
@ -220,7 +240,7 @@ int sec_pmic_probe(struct device *dev, int device_type, unsigned int irq,
sec_pmic->device_type);
}
ret = devm_mfd_add_devices(sec_pmic->dev, -1, sec_devs, num_sec_devs,
NULL, 0, NULL);
NULL, 0, regmap_irq_get_domain(sec_pmic->irq_data));
if (ret)
return ret;