From: Joseph Chen <chenjh@rock-chips.com>
To: gnurou@gmail.com, linus.walleij@linaro.org, dmitry.torokhov@gmail.com
Cc: linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
huangtao@rock-chips.com, tony.xie@rock-chips.com,
zhangqing@rock-chips.com, wdc@rock-chips.com,
devicetree@vger.kernel.org, w.egorov@phytec.de,
lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org,
mark.rutland@arm.com, linux-gpio@vger.kernel.org,
linux-input@vger.kernel.org, Joseph Chen <chenjh@rock-chips.com>
Subject: [PATCH v8 09/12] Input: Add power key driver for Rockchip RK805 PMIC
Date: Thu, 3 Aug 2017 20:25:47 +0800 [thread overview]
Message-ID: <1501763147-20537-1-git-send-email-chenjh@rock-chips.com> (raw)
In-Reply-To: <1501762841-20262-1-git-send-email-chenjh@rock-chips.com>
This driver provides a input driver for the power
key on the Rockchip RK805 PMIC.
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
---
drivers/input/misc/Kconfig | 6 +++
drivers/input/misc/Makefile | 1 +
drivers/input/misc/rk805-pwrkey.c | 111 ++++++++++++++++++++++++++++++++++++++
3 files changed, 118 insertions(+)
create mode 100644 drivers/input/misc/rk805-pwrkey.c
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 5b6c522..72dc4f5 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -571,6 +571,12 @@ config INPUT_PWM_BEEPER
To compile this driver as a module, choose M here: the module will be
called pwm-beeper.
+config INPUT_RK805_PWRKEY
+ tristate "Rockchip RK805 PMIC power key support"
+ depends on MFD_RK808
+ help
+ Select this option to enable power key driver for RK805.
+
config INPUT_GPIO_ROTARY_ENCODER
tristate "Rotary encoders connected to GPIO pins"
depends on GPIOLIB || COMPILE_TEST
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index b10523f..c27052a 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -63,6 +63,7 @@ obj-$(CONFIG_INPUT_REGULATOR_HAPTIC) += regulator-haptic.o
obj-$(CONFIG_INPUT_RETU_PWRBUTTON) += retu-pwrbutton.o
obj-$(CONFIG_INPUT_AXP20X_PEK) += axp20x-pek.o
obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER) += rotary_encoder.o
+obj-$(CONFIG_INPUT_RK805_PWRKEY) += rk805-pwrkey.o
obj-$(CONFIG_INPUT_SGI_BTNS) += sgi_btns.o
obj-$(CONFIG_INPUT_SIRFSOC_ONKEY) += sirfsoc-onkey.o
obj-$(CONFIG_INPUT_SOC_BUTTON_ARRAY) += soc_button_array.o
diff --git a/drivers/input/misc/rk805-pwrkey.c b/drivers/input/misc/rk805-pwrkey.c
new file mode 100644
index 0000000..e0fc66e
--- /dev/null
+++ b/drivers/input/misc/rk805-pwrkey.c
@@ -0,0 +1,111 @@
+/*
+ * Rockchip RK805 PMIC Power Key driver
+ *
+ * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * Author: Joseph Chen <chenjh@rock-chips.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+static irqreturn_t pwrkey_fall_irq(int irq, void *_pwr)
+{
+ struct input_dev *pwr = _pwr;
+
+ input_report_key(pwr, KEY_POWER, 1);
+ input_sync(pwr);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t pwrkey_rise_irq(int irq, void *_pwr)
+{
+ struct input_dev *pwr = _pwr;
+
+ input_report_key(pwr, KEY_POWER, 0);
+ input_sync(pwr);
+
+ return IRQ_HANDLED;
+}
+
+static int rk805_pwrkey_probe(struct platform_device *pdev)
+{
+ struct input_dev *pwr;
+ int fall_irq, rise_irq;
+ int err;
+
+ pwr = devm_input_allocate_device(&pdev->dev);
+ if (!pwr) {
+ dev_err(&pdev->dev, "Can't allocate power button\n");
+ return -ENOMEM;
+ }
+
+ pwr->name = "rk805 pwrkey";
+ pwr->phys = "rk805_pwrkey/input0";
+ pwr->dev.parent = &pdev->dev;
+ input_set_capability(pwr, EV_KEY, KEY_POWER);
+
+ fall_irq = platform_get_irq(pdev, 0);
+ if (fall_irq < 0) {
+ dev_err(&pdev->dev, "Can't get fall irq: %d\n", fall_irq);
+ return fall_irq;
+ }
+
+ rise_irq = platform_get_irq(pdev, 1);
+ if (rise_irq < 0) {
+ dev_err(&pdev->dev, "Can't get rise irq: %d\n", rise_irq);
+ return rise_irq;
+ }
+
+ err = devm_request_any_context_irq(&pwr->dev, fall_irq,
+ pwrkey_fall_irq,
+ IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ "rk805_pwrkey_fall", pwr);
+ if (err < 0) {
+ dev_err(&pdev->dev, "Can't register fall irq: %d\n", err);
+ return err;
+ }
+
+ err = devm_request_any_context_irq(&pwr->dev, rise_irq,
+ pwrkey_rise_irq,
+ IRQF_TRIGGER_RISING | IRQF_ONESHOT,
+ "rk805_pwrkey_rise", pwr);
+ if (err < 0) {
+ dev_err(&pdev->dev, "Can't register rise irq: %d\n", err);
+ return err;
+ }
+
+ err = input_register_device(pwr);
+ if (err) {
+ dev_err(&pdev->dev, "Can't register power button: %d\n", err);
+ return err;
+ }
+
+ platform_set_drvdata(pdev, pwr);
+ device_init_wakeup(&pdev->dev, true);
+
+ return 0;
+}
+
+static struct platform_driver rk805_pwrkey_driver = {
+ .probe = rk805_pwrkey_probe,
+ .driver = {
+ .name = "rk805-pwrkey",
+ },
+};
+module_platform_driver(rk805_pwrkey_driver);
+
+MODULE_AUTHOR("Joseph Chen <chenjh@rock-chips.com>");
+MODULE_DESCRIPTION("RK805 PMIC Power Key driver");
+MODULE_LICENSE("GPL v2");
--
1.9.1
next prev parent reply other threads:[~2017-08-03 12:26 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-03 12:20 [PATCH v8 00/12] rk808: Add RK805 support Joseph Chen
2017-08-03 12:20 ` [PATCH v8 01/12] mfd: rk808: fix up the chip id get failed Joseph Chen
2017-08-08 10:45 ` Lee Jones
2017-08-03 12:20 ` [PATCH v8 02/12] mfd: rk808: add rk805 regs addr and ID Joseph Chen
2017-08-08 10:39 ` Lee Jones
2017-08-03 12:20 ` [PATCH v8 03/12] regulator: rk808: Add regulator driver for RK805 Joseph Chen
2017-08-03 12:20 ` [PATCH v8 04/12] mfd: rk808: Add RK805 support Joseph Chen
2017-08-08 10:48 ` Lee Jones
2017-08-03 12:24 ` [PATCH v8 05/12] clk: Kconfig: Name RK805 in Kconfig for COMMON_CLK_RK808 Joseph Chen
2017-08-03 12:24 ` [PATCH v8 06/12] rtc: Kconfig: Name RK805 in Kconfig for RTC_DRV_RK808 Joseph Chen
2017-08-03 12:25 ` [PATCH v8 07/12] mfd: dt-bindings: Add RK805 device tree bindings document Joseph Chen
2017-08-08 10:48 ` Lee Jones
2017-08-03 12:25 ` [PATCH v8 08/12] pinctrl: Add pinctrl driver for the RK805 PMIC Joseph Chen
2017-08-07 12:49 ` Linus Walleij
2017-08-03 12:25 ` Joseph Chen [this message]
2017-08-03 12:25 ` [PATCH v8 10/12] mfd: rk808: Add RK805 pinctrl support Joseph Chen
2017-08-08 10:49 ` Lee Jones
2017-08-03 12:26 ` [PATCH v8 11/12] mfd: rk808: Add RK805 power key support Joseph Chen
2017-08-08 10:50 ` Lee Jones
2017-08-03 12:26 ` [PATCH v8 12/12] pinctrl: dt-bindings: add bindings for Rockchip RK805 PMIC Joseph Chen
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