[PATCH v6 06/15] mfd: input: bd71828: Add power-key support
From: Matti Vaittinen <hidden>
Date: 2019-12-11 09:43:36
Also in:
linux-clk, linux-devicetree, linux-gpio, linux-leds, linux-rtc, lkml
Subsystem:
multifunction devices (mfd), rohm power management ic device drivers, the rest · Maintainers:
Lee Jones, Matti Vaittinen, Linus Torvalds
Use gpio_keys to send power input-event to user-space when power button (short) press is detected. Acked-for-MFD-by: Lee Jones [off-list ref] Signed-off-by: Matti Vaittinen <redacted> --- No changes since v5 drivers/mfd/rohm-bd71828.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)
diff --git a/drivers/mfd/rohm-bd71828.c b/drivers/mfd/rohm-bd71828.c
index 7f445d699fd9..b892b50ec555 100644
--- a/drivers/mfd/rohm-bd71828.c
+++ b/drivers/mfd/rohm-bd71828.c@@ -4,7 +4,9 @@ // // ROHM BD71828 PMIC driver +#include <linux/gpio_keys.h> #include <linux/i2c.h> +#include <linux/input.h> #include <linux/interrupt.h> #include <linux/ioport.h> #include <linux/irq.h>
@@ -15,6 +17,18 @@ #include <linux/regmap.h> #include <linux/types.h> +static struct gpio_keys_button button = { + .code = KEY_POWER, + .gpio = -1, + .type = EV_KEY, +}; + +static struct gpio_keys_platform_data bd71828_powerkey_data = { + .buttons = &button, + .nbuttons = 1, + .name = "bd71828-pwrkey", +}; + static const struct resource rtc_irqs[] = { DEFINE_RES_IRQ_NAMED(BD71828_INT_RTC0, "bd71828-rtc-alm-0"), DEFINE_RES_IRQ_NAMED(BD71828_INT_RTC1, "bd71828-rtc-alm-1"),
@@ -35,6 +49,10 @@ static struct mfd_cell bd71828_mfd_cells[] = { .name = "bd71828-rtc", .resources = rtc_irqs, .num_resources = ARRAY_SIZE(rtc_irqs), + }, { + .name = "gpio-keys", + .platform_data = &bd71828_powerkey_data, + .pdata_size = sizeof(bd71828_powerkey_data), }, };
@@ -288,6 +306,14 @@ static int bd71828_i2c_probe(struct i2c_client *i2c) dev_dbg(&i2c->dev, "Registered %d IRQs for chip\n", bd71828_irq_chip.num_irqs); + ret = regmap_irq_get_virq(irq_data, BD71828_INT_SHORTPUSH); + if (ret < 0) { + dev_err(&i2c->dev, "Failed to get the power-key IRQ\n"); + return ret; + } + + button.irq = ret; + ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_AUTO, bd71828_mfd_cells, ARRAY_SIZE(bd71828_mfd_cells), NULL, 0,
--
2.21.0
--
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND
~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
Simon says - in Latin please.
~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
Thanks to Simon Glass for the translation =]