From: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
To: matti.vaittinen@fi.rohmeurope.com, mazziesaccount@gmail.com
Cc: Lee Jones <lee.jones@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>,
Linus Walleij <linus.walleij@linaro.org>,
Bartosz Golaszewski <bgolaszewski@baylibre.com>,
Jacek Anaszewski <jacek.anaszewski@gmail.com>,
Pavel Machek <pavel@ucw.cz>, Dan Murphy <dmurphy@ti.com>,
Alessandro Zummo <a.zummo@towertech.it>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org,
linux-leds@vger.kernel.org, linux-rtc@vger.kernel.org,
Dmitry Torokhov <dmitry.torokhov@gmail.com>
Subject: [RFC PATCH v2 04/13] mfd: input: bd71828: Add power-key support
Date: Thu, 24 Oct 2019 14:44:05 +0300 [thread overview]
Message-ID: <e965f34b6cb1b79d5dc7d41e1cbf5fc63f582774.1571915550.git.matti.vaittinen@fi.rohmeurope.com> (raw)
In-Reply-To: <cover.1571915550.git.matti.vaittinen@fi.rohmeurope.com>
Use gpio_keys to send power input-event to user-space when power
button (short) press is detected.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
---
No changes since v1
drivers/mfd/rohm-bd71828.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/drivers/mfd/rohm-bd71828.c b/drivers/mfd/rohm-bd71828.c
index b7de79e1fcdb..f77ba1ec3e99 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"),
@@ -36,6 +50,10 @@ static struct mfd_cell bd71828_mfd_cells[] = {
.name = "bd70528-rtc",
.resources = rtc_irqs,
.num_resources = ARRAY_SIZE(rtc_irqs),
+ }, {
+ .name = "gpio-keys",
+ .platform_data = &bd71828_powerkey_data,
+ .pdata_size = sizeof(bd71828_powerkey_data),
},
};
@@ -288,9 +306,19 @@ static int bd71828_i2c_probe(struct i2c_client *i2c,
dev_err(&i2c->dev, "Failed to add IRQ chip\n");
return ret;
}
+
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 =]
next prev parent reply other threads:[~2019-10-24 11:44 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-24 11:40 [RFC PATCH v2 00/13] Support ROHM BD71828 PMIC Matti Vaittinen
2019-10-24 11:41 ` [RFC PATCH v2 01/13] mfd: bd71828: Support ROHM BD71828 PMIC - core Matti Vaittinen
2019-10-24 11:41 ` [RFC PATCH v2 02/13] dt-bindings: mfd: Document ROHM BD71828 bindings Matti Vaittinen
2019-10-24 19:35 ` Dan Murphy
2019-10-25 5:49 ` Vaittinen, Matti
2019-10-29 12:08 ` Lee Jones
2019-10-29 19:34 ` Rob Herring
2019-10-30 8:26 ` Vaittinen, Matti
2019-10-30 19:22 ` Rob Herring
2019-10-31 12:54 ` Vaittinen, Matti
2019-10-31 17:50 ` Rob Herring
2019-11-01 12:52 ` Vaittinen, Matti
2019-11-04 19:28 ` Rob Herring
2019-10-24 11:42 ` [RFC PATCH v2 03/13] dt-bindings: regulator: Document ROHM BD71282 regulator bindings Matti Vaittinen
2019-10-24 11:44 ` Matti Vaittinen [this message]
2019-10-24 11:44 ` [RFC PATCH v2 05/13] clk: bd718x7: Support ROHM BD71828 clk block Matti Vaittinen
2019-10-28 23:32 ` Stephen Boyd
2019-10-29 6:28 ` Vaittinen, Matti
[not found] ` <20191105005541.7913220717@mail.kernel.org>
2019-11-05 8:11 ` Vaittinen, Matti
2019-10-24 11:45 ` [RFC PATCH v2 06/13] regulator: bd718x7: Split driver to common and bd718x7 specific parts Matti Vaittinen
2019-10-24 11:46 ` [RFC PATCH v2 07/13] regulator: bd71828: Basic support for ROHM bd71828 PMIC regulators Matti Vaittinen
2019-10-24 11:46 ` [RFC PATCH v2 08/13] regulator: bd71828: Add GPIO based run-level control for regulators Matti Vaittinen
2019-10-24 11:47 ` [RFC PATCH v2 09/13] regulator: bd71828: enhanced run-level support Matti Vaittinen
2019-10-24 11:47 ` [RFC PATCH v2 10/13] regulator: bd71828: Support in-kernel APIs to change run-level Matti Vaittinen
2019-10-24 11:50 ` [RFC PATCH v2 11/13] rtc: bd70528 add BD71828 support Matti Vaittinen
2019-10-24 11:50 ` [RFC PATCH v2 12/13] gpio: bd71828: Initial support for ROHM BD71828 PMIC GPIOs Matti Vaittinen
2019-10-24 11:59 ` Linus Walleij
2019-10-24 13:34 ` Vaittinen, Matti
2019-10-24 11:52 ` [RFC PATCH v2 13/13] led: bd71828: Support LED outputs on ROHM BD71828 PMIC Matti Vaittinen
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