mfd: bd71828: Add power-key support (e795bf72) · Commits · 戴 / test

drivers/mfd/rohm-bd71828.c

+26 −0

Original line number	Diff line number	Diff line
		@@ -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,