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-rw-r--r--drivers/input/keyboard/davinci_keyscan.c4
-rw-r--r--drivers/input/keyboard/imx_keypad.c4
-rw-r--r--drivers/input/misc/Kconfig20
-rw-r--r--drivers/input/misc/Makefile3
-rw-r--r--drivers/input/misc/da9063_onkey.c22
-rw-r--r--drivers/input/misc/hp_sdc_rtc.c8
-rw-r--r--drivers/input/misc/max77650-onkey.c121
-rw-r--r--drivers/input/misc/stpmic1_onkey.c198
-rw-r--r--drivers/input/serio/gscps2.c4
-rw-r--r--drivers/input/serio/hp_sdc.c4
-rw-r--r--drivers/input/serio/olpc_apsp.c14
-rw-r--r--drivers/input/touchscreen/eeti_ts.c71
-rw-r--r--drivers/input/touchscreen/imx6ul_tsc.c8
-rw-r--r--drivers/input/touchscreen/iqs5xx.c2
-rw-r--r--drivers/input/touchscreen/raspberrypi-ts.c4
-rw-r--r--drivers/input/touchscreen/stmpe-ts.c66
16 files changed, 428 insertions, 125 deletions
diff --git a/drivers/input/keyboard/davinci_keyscan.c b/drivers/input/keyboard/davinci_keyscan.c
index b20a5d044caa..b4db72f833ca 100644
--- a/drivers/input/keyboard/davinci_keyscan.c
+++ b/drivers/input/keyboard/davinci_keyscan.c
@@ -32,10 +32,6 @@
#include <linux/errno.h>
#include <linux/slab.h>
-#include <asm/irq.h>
-
-#include <mach/hardware.h>
-#include <mach/irqs.h>
#include <linux/platform_data/keyscan-davinci.h>
/* Key scan registers */
diff --git a/drivers/input/keyboard/imx_keypad.c b/drivers/input/keyboard/imx_keypad.c
index 539cb670de41..cf08f4acb191 100644
--- a/drivers/input/keyboard/imx_keypad.c
+++ b/drivers/input/keyboard/imx_keypad.c
@@ -422,7 +422,6 @@ static int imx_keypad_probe(struct platform_device *pdev)
dev_get_platdata(&pdev->dev);
struct imx_keypad *keypad;
struct input_dev *input_dev;
- struct resource *res;
int irq, error, i, row, col;
if (!keymap_data && !pdev->dev.of_node) {
@@ -455,8 +454,7 @@ static int imx_keypad_probe(struct platform_device *pdev)
timer_setup(&keypad->check_matrix_timer,
imx_keypad_check_for_events, 0);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- keypad->mmio_base = devm_ioremap_resource(&pdev->dev, res);
+ keypad->mmio_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(keypad->mmio_base))
return PTR_ERR(keypad->mmio_base);
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 16f41eece6d2..54d36f98b426 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -190,6 +190,15 @@ config INPUT_M68K_BEEP
tristate "M68k Beeper support"
depends on M68K
+config INPUT_MAX77650_ONKEY
+ tristate "Maxim MAX77650 ONKEY support"
+ depends on MFD_MAX77650
+ help
+ Support the ONKEY of the MAX77650 PMIC as an input device.
+
+ To compile this driver as a module, choose M here: the module
+ will be called max77650-onkey.
+
config INPUT_MAX77693_HAPTIC
tristate "MAXIM MAX77693/MAX77843 haptic controller support"
depends on (MFD_MAX77693 || MFD_MAX77843) && PWM
@@ -873,4 +882,15 @@ config INPUT_SC27XX_VIBRA
To compile this driver as a module, choose M here. The module will
be called sc27xx_vibra.
+config INPUT_STPMIC1_ONKEY
+ tristate "STPMIC1 PMIC Onkey support"
+ depends on MFD_STPMIC1
+ help
+ Say Y to enable support of onkey embedded into STPMIC1 PMIC. onkey
+ can be used to wakeup from low power modes and force a shut-down on
+ long press.
+
+ To compile this driver as a module, choose M here: the
+ module will be called stpmic1_onkey.
+
endif
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index d871991c2eee..8fd187f314bd 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -44,6 +44,7 @@ obj-$(CONFIG_INPUT_IXP4XX_BEEPER) += ixp4xx-beeper.o
obj-$(CONFIG_INPUT_KEYSPAN_REMOTE) += keyspan_remote.o
obj-$(CONFIG_INPUT_KXTJ9) += kxtj9.o
obj-$(CONFIG_INPUT_M68K_BEEP) += m68kspkr.o
+obj-$(CONFIG_INPUT_MAX77650_ONKEY) += max77650-onkey.o
obj-$(CONFIG_INPUT_MAX77693_HAPTIC) += max77693-haptic.o
obj-$(CONFIG_INPUT_MAX8925_ONKEY) += max8925_onkey.o
obj-$(CONFIG_INPUT_MAX8997_HAPTIC) += max8997_haptic.o
@@ -73,6 +74,7 @@ obj-$(CONFIG_INPUT_SGI_BTNS) += sgi_btns.o
obj-$(CONFIG_INPUT_SIRFSOC_ONKEY) += sirfsoc-onkey.o
obj-$(CONFIG_INPUT_SOC_BUTTON_ARRAY) += soc_button_array.o
obj-$(CONFIG_INPUT_SPARCSPKR) += sparcspkr.o
+obj-$(CONFIG_INPUT_STPMIC1_ONKEY) += stpmic1_onkey.o
obj-$(CONFIG_INPUT_TPS65218_PWRBUTTON) += tps65218-pwrbutton.o
obj-$(CONFIG_INPUT_TWL4030_PWRBUTTON) += twl4030-pwrbutton.o
obj-$(CONFIG_INPUT_TWL4030_VIBRA) += twl4030-vibra.o
@@ -83,3 +85,4 @@ obj-$(CONFIG_INPUT_WM831X_ON) += wm831x-on.o
obj-$(CONFIG_INPUT_XEN_KBDDEV_FRONTEND) += xen-kbdfront.o
obj-$(CONFIG_INPUT_YEALINK) += yealink.o
obj-$(CONFIG_INPUT_IDEAPAD_SLIDEBAR) += ideapad_slidebar.o
+
diff --git a/drivers/input/misc/da9063_onkey.c b/drivers/input/misc/da9063_onkey.c
index 3e9c353d82ef..c06e067bd627 100644
--- a/drivers/input/misc/da9063_onkey.c
+++ b/drivers/input/misc/da9063_onkey.c
@@ -1,16 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* OnKey device driver for DA9063, DA9062 and DA9061 PMICs
* Copyright (C) 2015 Dialog Semiconductor Ltd.
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/module.h>
@@ -22,7 +13,6 @@
#include <linux/regmap.h>
#include <linux/of.h>
#include <linux/mfd/da9063/core.h>
-#include <linux/mfd/da9063/pdata.h>
#include <linux/mfd/da9063/registers.h>
#include <linux/mfd/da9062/core.h>
#include <linux/mfd/da9062/registers.h>
@@ -201,8 +191,6 @@ static void da9063_cancel_poll(void *data)
static int da9063_onkey_probe(struct platform_device *pdev)
{
- struct da9063 *da9063 = dev_get_drvdata(pdev->dev.parent);
- struct da9063_pdata *pdata = dev_get_platdata(da9063->dev);
struct da9063_onkey *onkey;
const struct of_device_id *match;
int irq;
@@ -229,12 +217,8 @@ static int da9063_onkey_probe(struct platform_device *pdev)
return -ENXIO;
}
- if (pdata)
- onkey->key_power = pdata->key_power;
- else
- onkey->key_power =
- !of_property_read_bool(pdev->dev.of_node,
- "dlg,disable-key-power");
+ onkey->key_power = !of_property_read_bool(pdev->dev.of_node,
+ "dlg,disable-key-power");
onkey->input = devm_input_allocate_device(&pdev->dev);
if (!onkey->input) {
diff --git a/drivers/input/misc/hp_sdc_rtc.c b/drivers/input/misc/hp_sdc_rtc.c
index 47eb8ca729fe..abca895a6156 100644
--- a/drivers/input/misc/hp_sdc_rtc.c
+++ b/drivers/input/misc/hp_sdc_rtc.c
@@ -441,12 +441,10 @@ static int hp_sdc_rtc_proc_show(struct seq_file *m, void *v)
seq_puts(m, "BBRTC\t\t: READ FAILED!\n");
} else {
seq_printf(m,
- "rtc_time\t: %02d:%02d:%02d\n"
- "rtc_date\t: %04d-%02d-%02d\n"
+ "rtc_time\t: %ptRt\n"
+ "rtc_date\t: %ptRd\n"
"rtc_epoch\t: %04lu\n",
- tm.tm_hour, tm.tm_min, tm.tm_sec,
- tm.tm_year + 1900, tm.tm_mon + 1,
- tm.tm_mday, epoch);
+ &tm, &tm, epoch);
}
if (hp_sdc_rtc_read_rt(&tv)) {
diff --git a/drivers/input/misc/max77650-onkey.c b/drivers/input/misc/max77650-onkey.c
new file mode 100644
index 000000000000..fbf6caab7217
--- /dev/null
+++ b/drivers/input/misc/max77650-onkey.c
@@ -0,0 +1,121 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright (C) 2018 BayLibre SAS
+// Author: Bartosz Golaszewski <bgolaszewski@baylibre.com>
+//
+// ONKEY driver for MAXIM 77650/77651 charger/power-supply.
+
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/mfd/max77650.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#define MAX77650_ONKEY_MODE_MASK BIT(3)
+#define MAX77650_ONKEY_MODE_PUSH 0x00
+#define MAX77650_ONKEY_MODE_SLIDE BIT(3)
+
+struct max77650_onkey {
+ struct input_dev *input;
+ unsigned int code;
+};
+
+static irqreturn_t max77650_onkey_falling(int irq, void *data)
+{
+ struct max77650_onkey *onkey = data;
+
+ input_report_key(onkey->input, onkey->code, 0);
+ input_sync(onkey->input);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t max77650_onkey_rising(int irq, void *data)
+{
+ struct max77650_onkey *onkey = data;
+
+ input_report_key(onkey->input, onkey->code, 1);
+ input_sync(onkey->input);
+
+ return IRQ_HANDLED;
+}
+
+static int max77650_onkey_probe(struct platform_device *pdev)
+{
+ int irq_r, irq_f, error, mode;
+ struct max77650_onkey *onkey;
+ struct device *dev, *parent;
+ struct regmap *map;
+ unsigned int type;
+
+ dev = &pdev->dev;
+ parent = dev->parent;
+
+ map = dev_get_regmap(parent, NULL);
+ if (!map)
+ return -ENODEV;
+
+ onkey = devm_kzalloc(dev, sizeof(*onkey), GFP_KERNEL);
+ if (!onkey)
+ return -ENOMEM;
+
+ error = device_property_read_u32(dev, "linux,code", &onkey->code);
+ if (error)
+ onkey->code = KEY_POWER;
+
+ if (device_property_read_bool(dev, "maxim,onkey-slide")) {
+ mode = MAX77650_ONKEY_MODE_SLIDE;
+ type = EV_SW;
+ } else {
+ mode = MAX77650_ONKEY_MODE_PUSH;
+ type = EV_KEY;
+ }
+
+ error = regmap_update_bits(map, MAX77650_REG_CNFG_GLBL,
+ MAX77650_ONKEY_MODE_MASK, mode);
+ if (error)
+ return error;
+
+ irq_f = platform_get_irq_byname(pdev, "nEN_F");
+ if (irq_f < 0)
+ return irq_f;
+
+ irq_r = platform_get_irq_byname(pdev, "nEN_R");
+ if (irq_r < 0)
+ return irq_r;
+
+ onkey->input = devm_input_allocate_device(dev);
+ if (!onkey->input)
+ return -ENOMEM;
+
+ onkey->input->name = "max77650_onkey";
+ onkey->input->phys = "max77650_onkey/input0";
+ onkey->input->id.bustype = BUS_I2C;
+ input_set_capability(onkey->input, type, onkey->code);
+
+ error = devm_request_any_context_irq(dev, irq_f, max77650_onkey_falling,
+ IRQF_ONESHOT, "onkey-down", onkey);
+ if (error < 0)
+ return error;
+
+ error = devm_request_any_context_irq(dev, irq_r, max77650_onkey_rising,
+ IRQF_ONESHOT, "onkey-up", onkey);
+ if (error < 0)
+ return error;
+
+ return input_register_device(onkey->input);
+}
+
+static struct platform_driver max77650_onkey_driver = {
+ .driver = {
+ .name = "max77650-onkey",
+ },
+ .probe = max77650_onkey_probe,
+};
+module_platform_driver(max77650_onkey_driver);
+
+MODULE_DESCRIPTION("MAXIM 77650/77651 ONKEY driver");
+MODULE_AUTHOR("Bartosz Golaszewski <bgolaszewski@baylibre.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/input/misc/stpmic1_onkey.c b/drivers/input/misc/stpmic1_onkey.c
new file mode 100644
index 000000000000..7b49c9997df7
--- /dev/null
+++ b/drivers/input/misc/stpmic1_onkey.c
@@ -0,0 +1,198 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) STMicroelectronics 2018
+// Author: Pascal Paillet <p.paillet@st.com> for STMicroelectronics.
+
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/mfd/stpmic1.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/property.h>
+#include <linux/regmap.h>
+
+/**
+ * struct stpmic1_onkey - OnKey data
+ * @input_dev: pointer to input device
+ * @irq_falling: irq that we are hooked on to
+ * @irq_rising: irq that we are hooked on to
+ */
+struct stpmic1_onkey {
+ struct input_dev *input_dev;
+ int irq_falling;
+ int irq_rising;
+};
+
+static irqreturn_t onkey_falling_irq(int irq, void *ponkey)
+{
+ struct stpmic1_onkey *onkey = ponkey;
+ struct input_dev *input_dev = onkey->input_dev;
+
+ input_report_key(input_dev, KEY_POWER, 1);
+ pm_wakeup_event(input_dev->dev.parent, 0);
+ input_sync(input_dev);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t onkey_rising_irq(int irq, void *ponkey)
+{
+ struct stpmic1_onkey *onkey = ponkey;
+ struct input_dev *input_dev = onkey->input_dev;
+
+ input_report_key(input_dev, KEY_POWER, 0);
+ pm_wakeup_event(input_dev->dev.parent, 0);
+ input_sync(input_dev);
+
+ return IRQ_HANDLED;
+}
+
+static int stpmic1_onkey_probe(struct platform_device *pdev)
+{
+ struct stpmic1 *pmic = dev_get_drvdata(pdev->dev.parent);
+ struct device *dev = &pdev->dev;
+ struct input_dev *input_dev;
+ struct stpmic1_onkey *onkey;
+ unsigned int val, reg = 0;
+ int error;
+
+ onkey = devm_kzalloc(dev, sizeof(*onkey), GFP_KERNEL);
+ if (!onkey)
+ return -ENOMEM;
+
+ onkey->irq_falling = platform_get_irq_byname(pdev, "onkey-falling");
+ if (onkey->irq_falling < 0) {
+ dev_err(dev, "failed: request IRQ onkey-falling %d\n",
+ onkey->irq_falling);
+ return onkey->irq_falling;
+ }
+
+ onkey->irq_rising = platform_get_irq_byname(pdev, "onkey-rising");
+ if (onkey->irq_rising < 0) {
+ dev_err(dev, "failed: request IRQ onkey-rising %d\n",
+ onkey->irq_rising);
+ return onkey->irq_rising;
+ }
+
+ if (!device_property_read_u32(dev, "power-off-time-sec", &val)) {
+ if (val > 0 && val <= 16) {
+ dev_dbg(dev, "power-off-time=%d seconds\n", val);
+ reg |= PONKEY_PWR_OFF;
+ reg |= ((16 - val) & PONKEY_TURNOFF_TIMER_MASK);
+ } else {
+ dev_err(dev, "power-off-time-sec out of range\n");
+ return -EINVAL;
+ }
+ }
+
+ if (device_property_present(dev, "st,onkey-clear-cc-flag"))
+ reg |= PONKEY_CC_FLAG_CLEAR;
+
+ error = regmap_update_bits(pmic->regmap, PKEY_TURNOFF_CR,
+ PONKEY_TURNOFF_MASK, reg);
+ if (error) {
+ dev_err(dev, "PKEY_TURNOFF_CR write failed: %d\n", error);
+ return error;
+ }
+
+ if (device_property_present(dev, "st,onkey-pu-inactive")) {
+ error = regmap_update_bits(pmic->regmap, PADS_PULL_CR,
+ PONKEY_PU_INACTIVE,
+ PONKEY_PU_INACTIVE);
+ if (error) {
+ dev_err(dev, "ONKEY Pads configuration failed: %d\n",
+ error);
+ return error;
+ }
+ }
+
+ input_dev = devm_input_allocate_device(dev);
+ if (!input_dev) {
+ dev_err(dev, "Can't allocate Pwr Onkey Input Device\n");
+ return -ENOMEM;
+ }
+
+ input_dev->name = "pmic_onkey";
+ input_dev->phys = "pmic_onkey/input0";
+
+ input_set_capability(input_dev, EV_KEY, KEY_POWER);
+
+ onkey->input_dev = input_dev;
+
+ /* interrupt is nested in a thread */
+ error = devm_request_threaded_irq(dev, onkey->irq_falling, NULL,
+ onkey_falling_irq, IRQF_ONESHOT,
+ dev_name(dev), onkey);
+ if (error) {
+ dev_err(dev, "Can't get IRQ Onkey Falling: %d\n", error);
+ return error;
+ }
+
+ error = devm_request_threaded_irq(dev, onkey->irq_rising, NULL,
+ onkey_rising_irq, IRQF_ONESHOT,
+ dev_name(dev), onkey);
+ if (error) {
+ dev_err(dev, "Can't get IRQ Onkey Rising: %d\n", error);
+ return error;
+ }
+
+ error = input_register_device(input_dev);
+ if (error) {
+ dev_err(dev, "Can't register power button: %d\n", error);
+ return error;
+ }
+
+ platform_set_drvdata(pdev, onkey);
+ device_init_wakeup(dev, true);
+
+ return 0;
+}
+
+static int __maybe_unused stpmic1_onkey_suspend(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct stpmic1_onkey *onkey = platform_get_drvdata(pdev);
+
+ if (device_may_wakeup(dev)) {
+ enable_irq_wake(onkey->irq_falling);
+ enable_irq_wake(onkey->irq_rising);
+ }
+ return 0;
+}
+
+static int __maybe_unused stpmic1_onkey_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct stpmic1_onkey *onkey = platform_get_drvdata(pdev);
+
+ if (device_may_wakeup(dev)) {
+ disable_irq_wake(onkey->irq_falling);
+ disable_irq_wake(onkey->irq_rising);
+ }
+ return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(stpmic1_onkey_pm,
+ stpmic1_onkey_suspend,
+ stpmic1_onkey_resume);
+
+static const struct of_device_id of_stpmic1_onkey_match[] = {
+ { .compatible = "st,stpmic1-onkey" },
+ { },
+};
+
+MODULE_DEVICE_TABLE(of, of_stpmic1_onkey_match);
+
+static struct platform_driver stpmic1_onkey_driver = {
+ .probe = stpmic1_onkey_probe,
+ .driver = {
+ .name = "stpmic1_onkey",
+ .of_match_table = of_match_ptr(of_stpmic1_onkey_match),
+ .pm = &stpmic1_onkey_pm,
+ },
+};
+module_platform_driver(stpmic1_onkey_driver);
+
+MODULE_DESCRIPTION("Onkey driver for STPMIC1");
+MODULE_AUTHOR("Pascal Paillet <p.paillet@st.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/input/serio/gscps2.c b/drivers/input/serio/gscps2.c
index 49d8d53e50b7..96f9b5397367 100644
--- a/drivers/input/serio/gscps2.c
+++ b/drivers/input/serio/gscps2.c
@@ -381,9 +381,9 @@ static int __init gscps2_probe(struct parisc_device *dev)
goto fail;
#endif
- printk(KERN_INFO "serio: %s port at 0x%p irq %d @ %s\n",
+ pr_info("serio: %s port at 0x%08lx irq %d @ %s\n",
ps2port->port->name,
- ps2port->addr,
+ hpa,
ps2port->padev->irq,
ps2port->port->phys);
diff --git a/drivers/input/serio/hp_sdc.c b/drivers/input/serio/hp_sdc.c
index 0b8a25c58d02..654252361653 100644
--- a/drivers/input/serio/hp_sdc.c
+++ b/drivers/input/serio/hp_sdc.c
@@ -884,8 +884,8 @@ static int __init hp_sdc_init(void)
"HP SDC NMI", &hp_sdc))
goto err2;
- printk(KERN_INFO PREFIX "HP SDC at 0x%p, IRQ %d (NMI IRQ %d)\n",
- (void *)hp_sdc.base_io, hp_sdc.irq, hp_sdc.nmi);
+ pr_info(PREFIX "HP SDC at 0x%08lx, IRQ %d (NMI IRQ %d)\n",
+ hp_sdc.base_io, hp_sdc.irq, hp_sdc.nmi);
hp_sdc_status_in8();
hp_sdc_data_in8();
diff --git a/drivers/input/serio/olpc_apsp.c b/drivers/input/serio/olpc_apsp.c
index bae08226e3d9..a7cfab3db9ee 100644
--- a/drivers/input/serio/olpc_apsp.c
+++ b/drivers/input/serio/olpc_apsp.c
@@ -23,7 +23,6 @@
#include <linux/of.h>
#include <linux/slab.h>
#include <linux/delay.h>
-#include <linux/clk.h>
/*
* The OLPC XO-1.75 and XO-4 laptops do not have a hardware PS/2 controller.
@@ -75,7 +74,6 @@ struct olpc_apsp {
struct serio *kbio;
struct serio *padio;
void __iomem *base;
- struct clk *clk;
int open_count;
int irq;
};
@@ -148,17 +146,11 @@ static int olpc_apsp_open(struct serio *port)
struct olpc_apsp *priv = port->port_data;
unsigned int tmp;
unsigned long l;
- int error;
if (priv->open_count++ == 0) {
- error = clk_prepare_enable(priv->clk);
- if (error)
- return error;
-
l = readl(priv->base + COMMAND_FIFO_STATUS);
if (!(l & CMD_STS_MASK)) {
dev_err(priv->dev, "SP cannot accept commands.\n");
- clk_disable_unprepare(priv->clk);
return -EIO;
}
@@ -179,8 +171,6 @@ static void olpc_apsp_close(struct serio *port)
/* Disable interrupt 0 */
tmp = readl(priv->base + PJ_INTERRUPT_MASK);
writel(tmp | INT_0, priv->base + PJ_INTERRUPT_MASK);
-
- clk_disable_unprepare(priv->clk);
}
}
@@ -208,10 +198,6 @@ static int olpc_apsp_probe(struct platform_device *pdev)
if (priv->irq < 0)
return priv->irq;
- priv->clk = devm_clk_get(&pdev->dev, "sp");
- if (IS_ERR(priv->clk))
- return PTR_ERR(priv->clk);
-
/* KEYBOARD */
kb_serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
if (!kb_serio)
diff --git a/drivers/input/touchscreen/eeti_ts.c b/drivers/input/touchscreen/eeti_ts.c
index 7fe41965c5d1..b508d2693c0e 100644
--- a/drivers/input/touchscreen/eeti_ts.c
+++ b/drivers/input/touchscreen/eeti_ts.c
@@ -41,6 +41,7 @@ struct eeti_ts {
struct input_dev *input;
struct gpio_desc *attn_gpio;
struct touchscreen_properties props;
+ struct mutex mutex;
bool running;
};
@@ -75,42 +76,80 @@ static void eeti_ts_report_event(struct eeti_ts *eeti, u8 *buf)
input_sync(eeti->input);
}
+static int eeti_ts_read(struct eeti_ts *eeti)
+{
+ int len, error;
+ char buf[6];
+
+ len = i2c_master_recv(eeti->client, buf, sizeof(buf));
+ if (len != sizeof(buf)) {
+ error = len < 0 ? len : -EIO;
+ dev_err(&eeti->client->dev,
+ "failed to read touchscreen data: %d\n",
+ error);
+ return error;
+ }
+
+ /* Motion packet */
+ if (buf[0] & 0x80)
+ eeti_ts_report_event(eeti, buf);
+
+ return 0;
+}
+
static irqreturn_t eeti_ts_isr(int irq, void *dev_id)
{
struct eeti_ts *eeti = dev_id;
- int len;
int error;
- char buf[6];
+
+ mutex_lock(&eeti->mutex);
do {
- len = i2c_master_recv(eeti->client, buf, sizeof(buf));
- if (len != sizeof(buf)) {
- error = len < 0 ? len : -EIO;
- dev_err(&eeti->client->dev,
- "failed to read touchscreen data: %d\n",
- error);
+ /*
+ * If we have attention GPIO, trust it. Otherwise we'll read
+ * once and exit. We assume that in this case we are using
+ * level triggered interrupt and it will get raised again
+ * if/when there is more data.
+ */
+ if (eeti->attn_gpio &&
+ !gpiod_get_value_cansleep(eeti->attn_gpio)) {
break;
}
- if (buf[0] & 0x80) {
- /* Motion packet */
- eeti_ts_report_event(eeti, buf);
- }
- } while (eeti->running &&
- eeti->attn_gpio && gpiod_get_value_cansleep(eeti->attn_gpio));
+ error = eeti_ts_read(eeti);
+ if (error)
+ break;
+
+ } while (eeti->running && eeti->attn_gpio);
+ mutex_unlock(&eeti->mutex);
return IRQ_HANDLED;
}
static void eeti_ts_start(struct eeti_ts *eeti)
{
+ mutex_lock(&eeti->mutex);
+
eeti->running = true;
- wmb();
enable_irq(eeti->client->irq);
+
+ /*
+ * Kick the controller in case we are using edge interrupt and
+ * we missed our edge while interrupt was disabled. We expect
+ * the attention GPIO to be wired in this case.
+ */
+ if (eeti->attn_gpio && gpiod_get_value_cansleep(eeti->attn_gpio))
+ eeti_ts_read(eeti);
+
+ mutex_unlock(&eeti->mutex);
}
static void eeti_ts_stop(struct eeti_ts *eeti)
{
+ /*
+ * Not locking here, just setting a flag and expect that the
+ * interrupt thread will notice the flag eventually.
+ */
eeti->running = false;
wmb();
disable_irq(eeti->client->irq);
@@ -153,6 +192,8 @@ static int eeti_ts_probe(struct i2c_client *client,
return -ENOMEM;
}
+ mutex_init(&eeti->mutex);
+
input = devm_input_allocate_device(dev);
if (!input) {
dev_err(dev, "Failed to allocate input device.\n");
diff --git a/drivers/input/touchscreen/imx6ul_tsc.c b/drivers/input/touchscreen/imx6ul_tsc.c
index c10fc594f94d..e04eecd65bbb 100644
--- a/drivers/input/touchscreen/imx6ul_tsc.c
+++ b/drivers/input/touchscreen/imx6ul_tsc.c
@@ -364,8 +364,6 @@ static int imx6ul_tsc_probe(struct platform_device *pdev)
struct device_node *np = pdev->dev.of_node;
struct imx6ul_tsc *tsc;
struct input_dev *input_dev;
- struct resource *tsc_mem;
- struct resource *adc_mem;
int err;
int tsc_irq;
int adc_irq;
@@ -403,16 +401,14 @@ static int imx6ul_tsc_probe(struct platform_device *pdev)
return err;
}
- tsc_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- tsc->tsc_regs = devm_ioremap_resource(&pdev->dev, tsc_mem);
+ tsc->tsc_regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(tsc->tsc_regs)) {
err = PTR_ERR(tsc->tsc_regs);
dev_err(&pdev->dev, "failed to remap tsc memory: %d\n", err);
return err;
}
- adc_mem = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- tsc->adc_regs = devm_ioremap_resource(&pdev->dev, adc_mem);
+ tsc->adc_regs = devm_platform_ioremap_resource(pdev, 1);
if (IS_ERR(tsc->adc_regs)) {
err = PTR_ERR(tsc->adc_regs);
dev_err(&pdev->dev, "failed to remap adc memory: %d\n", err);
diff --git a/drivers/input/touchscreen/iqs5xx.c b/drivers/input/touchscreen/iqs5xx.c
index b832fe062645..158707897c2d 100644
--- a/drivers/input/touchscreen/iqs5xx.c
+++ b/drivers/input/touchscreen/iqs5xx.c
@@ -1054,8 +1054,6 @@ static int iqs5xx_probe(struct i2c_client *client,
if (!iqs5xx)
return -ENOMEM;
- dev_set_drvdata(&client->dev, iqs5xx);
-
i2c_set_clientdata(client, iqs5xx);
iqs5xx->client = client;
diff --git a/drivers/input/touchscreen/raspberrypi-ts.c b/drivers/input/touchscreen/raspberrypi-ts.c
index f456c1125bd6..69881265d121 100644
--- a/drivers/input/touchscreen/raspberrypi-ts.c
+++ b/drivers/input/touchscreen/raspberrypi-ts.c
@@ -147,8 +147,8 @@ static int rpi_ts_probe(struct platform_device *pdev)
return -ENOMEM;
ts->pdev = pdev;
- ts->fw_regs_va = dma_zalloc_coherent(dev, PAGE_SIZE, &ts->fw_regs_phys,
- GFP_KERNEL);
+ ts->fw_regs_va = dma_alloc_coherent(dev, PAGE_SIZE, &ts->fw_regs_phys,
+ GFP_KERNEL);
if (!ts->fw_regs_va) {
dev_err(dev, "failed to dma_alloc_coherent\n");
return -ENOMEM;
diff --git a/drivers/input/touchscreen/stmpe-ts.c b/drivers/input/touchscreen/stmpe-ts.c
index 2a78e27b4495..cf9c9aa39f6e 100644
--- a/drivers/input/touchscreen/stmpe-ts.c
+++ b/drivers/input/touchscreen/stmpe-ts.c
@@ -30,8 +30,6 @@
* with touchscreen controller
*/
#define STMPE_REG_INT_STA 0x0B
-#define STMPE_REG_ADC_CTRL1 0x20
-#define STMPE_REG_ADC_CTRL2 0x21
#define STMPE_REG_TSC_CTRL 0x40
#define STMPE_REG_TSC_CFG 0x41
#define STMPE_REG_FIFO_TH 0x4A
@@ -49,17 +47,6 @@
#define STMPE_IRQ_TOUCH_DET 0
-#define SAMPLE_TIME(x) ((x & 0xf) << 4)
-#define MOD_12B(x) ((x & 0x1) << 3)
-#define REF_SEL(x) ((x & 0x1) << 1)
-#define ADC_FREQ(x) (x & 0x3)
-#define AVE_CTRL(x) ((x & 0x3) << 6)
-#define DET_DELAY(x) ((x & 0x7) << 3)
-#define SETTLING(x) (x & 0x7)
-#define FRACTION_Z(x) (x & 0x7)
-#define I_DRIVE(x) (x & 0x1)
-#define OP_MODE(x) ((x & 0x7) << 1)
-
#define STMPE_TS_NAME "stmpe-ts"
#define XY_MASK 0xfff
@@ -69,15 +56,6 @@
* @idev: registered input device
* @work: a work item used to scan the device
* @dev: a pointer back to the MFD cell struct device*
- * @sample_time: ADC converstion time in number of clock.
- * (0 -> 36 clocks, 1 -> 44 clocks, 2 -> 56 clocks, 3 -> 64 clocks,
- * 4 -> 80 clocks, 5 -> 96 clocks, 6 -> 144 clocks),
- * recommended is 4.
- * @mod_12b: ADC Bit mode (0 -> 10bit ADC, 1 -> 12bit ADC)
- * @ref_sel: ADC reference source
- * (0 -> internal reference, 1 -> external reference)
- * @adc_freq: ADC Clock speed
- * (0 -> 1.625 MHz, 1 -> 3.25 MHz, 2 || 3 -> 6.5 MHz)
* @ave_ctrl: Sample average control
* (0 -> 1 sample, 1 -> 2 samples, 2 -> 4 samples, 3 -> 8 samples)
* @touch_det_delay: Touch detect interrupt delay
@@ -99,10 +77,6 @@ struct stmpe_touch {
struct input_dev *idev;
struct delayed_work work;
struct device *dev;
- u8 sample_time;
- u8 mod_12b;
- u8 ref_sel;
- u8 adc_freq;
u8 ave_ctrl;
u8 touch_det_delay;
u8 settling;
@@ -203,7 +177,7 @@ static irqreturn_t stmpe_ts_handler(int irq, void *data)
static int stmpe_init_hw(struct stmpe_touch *ts)
{
int ret;
- u8 adc_ctrl1, adc_ctrl1_mask, tsc_cfg, tsc_cfg_mask;
+ u8 tsc_cfg, tsc_cfg_mask;
struct stmpe *stmpe = ts->stmpe;
struct device *dev = ts->dev;
@@ -213,27 +187,17 @@ static int stmpe_init_hw(struct stmpe_touch *ts)
return ret;
}
- adc_ctrl1 = SAMPLE_TIME(ts->sample_time) | MOD_12B(ts->mod_12b) |
- REF_SEL(ts->ref_sel);
- adc_ctrl1_mask = SAMPLE_TIME(0xff) | MOD_12B(0xff) | REF_SEL(0xff);
-
- ret = stmpe_set_bits(stmpe, STMPE_REG_ADC_CTRL1,
- adc_ctrl1_mask, adc_ctrl1);
- if (ret) {
- dev_err(dev, "Could not setup ADC\n");
- return ret;
- }
-
- ret = stmpe_set_bits(stmpe, STMPE_REG_ADC_CTRL2,
- ADC_FREQ(0xff), ADC_FREQ(ts->adc_freq));
+ ret = stmpe811_adc_common_init(stmpe);
if (ret) {
- dev_err(dev, "Could not setup ADC\n");
+ stmpe_disable(stmpe, STMPE_BLOCK_TOUCHSCREEN | STMPE_BLOCK_ADC);
return ret;
}
- tsc_cfg = AVE_CTRL(ts->ave_ctrl) | DET_DELAY(ts->touch_det_delay) |
- SETTLING(ts->settling);
- tsc_cfg_mask = AVE_CTRL(0xff) | DET_DELAY(0xff) | SETTLING(0xff);
+ tsc_cfg = STMPE_AVE_CTRL(ts->ave_ctrl) |
+ STMPE_DET_DELAY(ts->touch_det_delay) |
+ STMPE_SETTLING(ts->settling);
+ tsc_cfg_mask = STMPE_AVE_CTRL(0xff) | STMPE_DET_DELAY(0xff) |
+ STMPE_SETTLING(0xff);
ret = stmpe_set_bits(stmpe, STMPE_REG_TSC_CFG, tsc_cfg_mask, tsc_cfg);
if (ret) {
@@ -242,14 +206,14 @@ static int stmpe_init_hw(struct stmpe_touch *ts)
}
ret = stmpe_set_bits(stmpe, STMPE_REG_TSC_FRACTION_Z,
- FRACTION_Z(0xff), FRACTION_Z(ts->fraction_z));
+ STMPE_FRACTION_Z(0xff), STMPE_FRACTION_Z(ts->fraction_z));
if (ret) {
dev_err(dev, "Could not config touch\n");
return ret;
}
ret = stmpe_set_bits(stmpe, STMPE_REG_TSC_I_DRIVE,
- I_DRIVE(0xff), I_DRIVE(ts->i_drive));
+ STMPE_I_DRIVE(0xff), STMPE_I_DRIVE(ts->i_drive));
if (ret) {
dev_err(dev, "Could not config touch\n");
return ret;
@@ -263,7 +227,7 @@ static int stmpe_init_hw(struct stmpe_touch *ts)
}
ret = stmpe_set_bits(stmpe, STMPE_REG_TSC_CTRL,
- OP_MODE(0xff), OP_MODE(OP_MOD_XYZ));
+ STMPE_OP_MODE(0xff), STMPE_OP_MODE(OP_MOD_XYZ));
if (ret) {
dev_err(dev, "Could not set mode\n");
return ret;
@@ -303,13 +267,13 @@ static void stmpe_ts_get_platform_info(struct platform_device *pdev,
if (np) {
if (!of_property_read_u32(np, "st,sample-time", &val))
- ts->sample_time = val;
+ ts->stmpe->sample_time = val;
if (!of_property_read_u32(np, "st,mod-12b", &val))
- ts->mod_12b = val;
+ ts->stmpe->mod_12b = val;
if (!of_property_read_u32(np, "st,ref-sel", &val))
- ts->ref_sel = val;
+ ts->stmpe->ref_sel = val;
if (!of_property_read_u32(np, "st,adc-freq", &val))
- ts->adc_freq = val;
+ ts->stmpe->adc_freq = val;
if (!of_property_read_u32(np, "st,ave-ctrl", &val))
ts->ave_ctrl = val;
if (!of_property_read_u32(np, "st,touch-det-delay", &val))
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-11 20:16:49 +0300