Merge tag 'v6.3-rc2' into next

Merge with mainline to get of_property_present() and other newer APIs.

6 files changed, 0 insertions, 1197 deletions

diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 68d99a112e14..1a2049b336a6 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -490,18 +490,6 @@ config TOUCHSCREEN_IPROC
 	  To compile this driver as a module, choose M here: the
 	  module will be called bcm_iproc_tsc.
 
-config TOUCHSCREEN_S3C2410
-	tristate "Samsung S3C2410/generic touchscreen input driver"
-	depends on ARCH_S3C24XX || SAMSUNG_DEV_TS
-	depends on S3C_ADC
-	help
-	  Say Y here if you have the s3c2410 touchscreen.
-
-	  If unsure, say N.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called s3c2410_ts.
-
 config TOUCHSCREEN_S6SY761
 	tristate "Samsung S6SY761 Touchscreen driver"
 	depends on I2C
@@ -839,22 +827,6 @@ config TOUCHSCREEN_TI_AM335X_TSC
 	  To compile this driver as a module, choose M here: the
 	  module will be called ti_am335x_tsc.
 
-config TOUCHSCREEN_UCB1400
-	tristate "Philips UCB1400 touchscreen"
-	depends on AC97_BUS
-	depends on UCB1400_CORE
-	help
-	  This enables support for the Philips UCB1400 touchscreen interface.
-	  The UCB1400 is an AC97 audio codec.  The touchscreen interface
-	  will be initialized only after the ALSA subsystem has been
-	  brought up and the UCB1400 detected.  You therefore have to
-	  configure ALSA support as well (either built-in or modular,
-	  independently of whether this driver is itself built-in or
-	  modular) for this driver to work.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called ucb1400_ts.
-
 config TOUCHSCREEN_PIXCIR
 	tristate "PIXCIR I2C touchscreens"
 	depends on I2C
@@ -940,20 +912,6 @@ config TOUCHSCREEN_WM97XX_MAINSTONE
 	  To compile this driver as a module, choose M here: the
 	  module will be called mainstone-wm97xx.
 
-config TOUCHSCREEN_WM97XX_ZYLONITE
-	tristate "Zylonite accelerated touch"
-	depends on TOUCHSCREEN_WM97XX && MACH_ZYLONITE
-	depends on SND_PXA2XX_LIB_AC97
-	select TOUCHSCREEN_WM9713
-	help
-	  Say Y here for support for streaming mode with the touchscreen
-	  on Zylonite systems.
-
-	  If unsure, say N.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called zylonite-wm97xx.
-
 config TOUCHSCREEN_USB_COMPOSITE
 	tristate "USB Touchscreen Driver"
 	depends on USB_ARCH_HAS_HCD
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index 4968c370479a..f2fd28cc34a6 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -76,7 +76,6 @@ obj-$(CONFIG_TOUCHSCREEN_PCAP)		+= pcap_ts.o
 obj-$(CONFIG_TOUCHSCREEN_PENMOUNT)	+= penmount.o
 obj-$(CONFIG_TOUCHSCREEN_PIXCIR)	+= pixcir_i2c_ts.o
 obj-$(CONFIG_TOUCHSCREEN_RM_TS)		+= raydium_i2c_ts.o
-obj-$(CONFIG_TOUCHSCREEN_S3C2410)	+= s3c2410_ts.o
 obj-$(CONFIG_TOUCHSCREEN_S6SY761)	+= s6sy761.o
 obj-$(CONFIG_TOUCHSCREEN_SILEAD)	+= silead.o
 obj-$(CONFIG_TOUCHSCREEN_SIS_I2C)	+= sis_i2c.o
@@ -98,7 +97,6 @@ obj-$(CONFIG_TOUCHSCREEN_TSC2005)	+= tsc2005.o
 tsc2007-y := tsc2007_core.o
 tsc2007-$(CONFIG_TOUCHSCREEN_TSC2007_IIO)	+= tsc2007_iio.o
 obj-$(CONFIG_TOUCHSCREEN_TSC2007)	+= tsc2007.o
-obj-$(CONFIG_TOUCHSCREEN_UCB1400)	+= ucb1400_ts.o
 obj-$(CONFIG_TOUCHSCREEN_WACOM_W8001)	+= wacom_w8001.o
 obj-$(CONFIG_TOUCHSCREEN_WACOM_I2C)	+= wacom_i2c.o
 obj-$(CONFIG_TOUCHSCREEN_WDT87XX_I2C)	+= wdt87xx_i2c.o
@@ -108,7 +106,6 @@ wm97xx-ts-$(CONFIG_TOUCHSCREEN_WM9705)	+= wm9705.o
 wm97xx-ts-$(CONFIG_TOUCHSCREEN_WM9712)	+= wm9712.o
 wm97xx-ts-$(CONFIG_TOUCHSCREEN_WM9713)	+= wm9713.o
 obj-$(CONFIG_TOUCHSCREEN_WM97XX_MAINSTONE)	+= mainstone-wm97xx.o
-obj-$(CONFIG_TOUCHSCREEN_WM97XX_ZYLONITE)	+= zylonite-wm97xx.o
 obj-$(CONFIG_TOUCHSCREEN_SX8654)	+= sx8654.o
 obj-$(CONFIG_TOUCHSCREEN_TPS6507X)	+= tps6507x-ts.o
 obj-$(CONFIG_TOUCHSCREEN_ZET6223)	+= zet6223.o
diff --git a/drivers/input/touchscreen/mainstone-wm97xx.c b/drivers/input/touchscreen/mainstone-wm97xx.c
index c39f49720fe4..85b95ed461e7 100644
--- a/drivers/input/touchscreen/mainstone-wm97xx.c
+++ b/drivers/input/touchscreen/mainstone-wm97xx.c
@@ -187,16 +187,6 @@ static int wm97xx_acc_startup(struct wm97xx *wm)
 		 "mainstone accelerated touchscreen driver, %d samples/sec\n",
 		 cinfo[sp_idx].speed);
 
-	/* IRQ driven touchscreen is used on Palm hardware */
-	if (machine_is_palmt5() || machine_is_palmtx() || machine_is_palmld()) {
-		pen_int = 1;
-		/* There is some obscure mutant of WM9712 interbred with WM9713
-		 * used on Palm HW */
-		wm->variant = WM97xx_WM1613;
-	} else if (machine_is_zylonite()) {
-		pen_int = 1;
-	}
-
 	if (pen_int) {
 		gpiod_irq = gpiod_get(wm->dev, "touch", GPIOD_IN);
 		if (IS_ERR(gpiod_irq))
diff --git a/drivers/input/touchscreen/s3c2410_ts.c b/drivers/input/touchscreen/s3c2410_ts.c
deleted file mode 100644
index 2e70c0b79444..000000000000
--- a/drivers/input/touchscreen/s3c2410_ts.c
+++ /dev/null
@@ -1,464 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Samsung S3C24XX touchscreen driver
- *
- * Copyright 2004 Arnaud Patard <arnaud.patard@rtp-net.org>
- * Copyright 2008 Ben Dooks <ben-linux@fluff.org>
- * Copyright 2009 Simtec Electronics <linux@simtec.co.uk>
- *
- * Additional work by Herbert Pötzl <herbert@13thfloor.at> and
- * Harald Welte <laforge@openmoko.org>
- */
-
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/input.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-
-#include <linux/soc/samsung/s3c-adc.h>
-#include <linux/platform_data/touchscreen-s3c2410.h>
-
-#define	S3C2410_ADCCON			(0x00)
-#define	S3C2410_ADCTSC			(0x04)
-#define	S3C2410_ADCDLY			(0x08)
-#define	S3C2410_ADCDAT0			(0x0C)
-#define	S3C2410_ADCDAT1			(0x10)
-#define	S3C64XX_ADCUPDN			(0x14)
-#define	S3C2443_ADCMUX			(0x18)
-#define	S3C64XX_ADCCLRINT		(0x18)
-#define	S5P_ADCMUX			(0x1C)
-#define	S3C64XX_ADCCLRINTPNDNUP		(0x20)
-
-/* ADCTSC Register Bits */
-#define S3C2443_ADCTSC_UD_SEN		(1 << 8)
-#define S3C2410_ADCTSC_YM_SEN		(1<<7)
-#define S3C2410_ADCTSC_YP_SEN		(1<<6)
-#define S3C2410_ADCTSC_XM_SEN		(1<<5)
-#define S3C2410_ADCTSC_XP_SEN		(1<<4)
-#define S3C2410_ADCTSC_PULL_UP_DISABLE	(1<<3)
-#define S3C2410_ADCTSC_AUTO_PST		(1<<2)
-#define S3C2410_ADCTSC_XY_PST(x)	(((x)&0x3)<<0)
-
-/* ADCDAT0 Bits */
-#define S3C2410_ADCDAT0_UPDOWN		(1<<15)
-#define S3C2410_ADCDAT0_AUTO_PST	(1<<14)
-#define S3C2410_ADCDAT0_XY_PST		(0x3<<12)
-#define S3C2410_ADCDAT0_XPDATA_MASK	(0x03FF)
-
-/* ADCDAT1 Bits */
-#define S3C2410_ADCDAT1_UPDOWN		(1<<15)
-#define S3C2410_ADCDAT1_AUTO_PST	(1<<14)
-#define S3C2410_ADCDAT1_XY_PST		(0x3<<12)
-#define S3C2410_ADCDAT1_YPDATA_MASK	(0x03FF)
-
-
-#define TSC_SLEEP  (S3C2410_ADCTSC_PULL_UP_DISABLE | S3C2410_ADCTSC_XY_PST(0))
-
-#define INT_DOWN	(0)
-#define INT_UP		(1 << 8)
-
-#define WAIT4INT	(S3C2410_ADCTSC_YM_SEN | \
-			 S3C2410_ADCTSC_YP_SEN | \
-			 S3C2410_ADCTSC_XP_SEN | \
-			 S3C2410_ADCTSC_XY_PST(3))
-
-#define AUTOPST		(S3C2410_ADCTSC_YM_SEN | \
-			 S3C2410_ADCTSC_YP_SEN | \
-			 S3C2410_ADCTSC_XP_SEN | \
-			 S3C2410_ADCTSC_AUTO_PST | \
-			 S3C2410_ADCTSC_XY_PST(0))
-
-#define FEAT_PEN_IRQ	(1 << 0)	/* HAS ADCCLRINTPNDNUP */
-
-/* Per-touchscreen data. */
-
-/**
- * struct s3c2410ts - driver touchscreen state.
- * @client: The ADC client we registered with the core driver.
- * @dev: The device we are bound to.
- * @input: The input device we registered with the input subsystem.
- * @clock: The clock for the adc.
- * @io: Pointer to the IO base.
- * @xp: The accumulated X position data.
- * @yp: The accumulated Y position data.
- * @irq_tc: The interrupt number for pen up/down interrupt
- * @count: The number of samples collected.
- * @shift: The log2 of the maximum count to read in one go.
- * @features: The features supported by the TSADC MOdule.
- */
-struct s3c2410ts {
-	struct s3c_adc_client *client;
-	struct device *dev;
-	struct input_dev *input;
-	struct clk *clock;
-	void __iomem *io;
-	unsigned long xp;
-	unsigned long yp;
-	int irq_tc;
-	int count;
-	int shift;
-	int features;
-};
-
-static struct s3c2410ts ts;
-
-/**
- * get_down - return the down state of the pen
- * @data0: The data read from ADCDAT0 register.
- * @data1: The data read from ADCDAT1 register.
- *
- * Return non-zero if both readings show that the pen is down.
- */
-static inline bool get_down(unsigned long data0, unsigned long data1)
-{
-	/* returns true if both data values show stylus down */
-	return (!(data0 & S3C2410_ADCDAT0_UPDOWN) &&
-		!(data1 & S3C2410_ADCDAT0_UPDOWN));
-}
-
-static void touch_timer_fire(struct timer_list *unused)
-{
-	unsigned long data0;
-	unsigned long data1;
-	bool down;
-
-	data0 = readl(ts.io + S3C2410_ADCDAT0);
-	data1 = readl(ts.io + S3C2410_ADCDAT1);
-
-	down = get_down(data0, data1);
-
-	if (down) {
-		if (ts.count == (1 << ts.shift)) {
-			ts.xp >>= ts.shift;
-			ts.yp >>= ts.shift;
-
-			dev_dbg(ts.dev, "%s: X=%lu, Y=%lu, count=%d\n",
-				__func__, ts.xp, ts.yp, ts.count);
-
-			input_report_abs(ts.input, ABS_X, ts.xp);
-			input_report_abs(ts.input, ABS_Y, ts.yp);
-
-			input_report_key(ts.input, BTN_TOUCH, 1);
-			input_sync(ts.input);
-
-			ts.xp = 0;
-			ts.yp = 0;
-			ts.count = 0;
-		}
-
-		s3c_adc_start(ts.client, 0, 1 << ts.shift);
-	} else {
-		ts.xp = 0;
-		ts.yp = 0;
-		ts.count = 0;
-
-		input_report_key(ts.input, BTN_TOUCH, 0);
-		input_sync(ts.input);
-
-		writel(WAIT4INT | INT_DOWN, ts.io + S3C2410_ADCTSC);
-	}
-}
-
-static DEFINE_TIMER(touch_timer, touch_timer_fire);
-
-/**
- * stylus_irq - touchscreen stylus event interrupt
- * @irq: The interrupt number
- * @dev_id: The device ID.
- *
- * Called when the IRQ_TC is fired for a pen up or down event.
- */
-static irqreturn_t stylus_irq(int irq, void *dev_id)
-{
-	unsigned long data0;
-	unsigned long data1;
-	bool down;
-
-	data0 = readl(ts.io + S3C2410_ADCDAT0);
-	data1 = readl(ts.io + S3C2410_ADCDAT1);
-
-	down = get_down(data0, data1);
-
-	/* TODO we should never get an interrupt with down set while
-	 * the timer is running, but maybe we ought to verify that the
-	 * timer isn't running anyways. */
-
-	if (down)
-		s3c_adc_start(ts.client, 0, 1 << ts.shift);
-	else
-		dev_dbg(ts.dev, "%s: count=%d\n", __func__, ts.count);
-
-	if (ts.features & FEAT_PEN_IRQ) {
-		/* Clear pen down/up interrupt */
-		writel(0x0, ts.io + S3C64XX_ADCCLRINTPNDNUP);
-	}
-
-	return IRQ_HANDLED;
-}
-
-/**
- * s3c24xx_ts_conversion - ADC conversion callback
- * @client: The client that was registered with the ADC core.
- * @data0: The reading from ADCDAT0.
- * @data1: The reading from ADCDAT1.
- * @left: The number of samples left.
- *
- * Called when a conversion has finished.
- */
-static void s3c24xx_ts_conversion(struct s3c_adc_client *client,
-				  unsigned data0, unsigned data1,
-				  unsigned *left)
-{
-	dev_dbg(ts.dev, "%s: %d,%d\n", __func__, data0, data1);
-
-	ts.xp += data0;
-	ts.yp += data1;
-
-	ts.count++;
-
-	/* From tests, it seems that it is unlikely to get a pen-up
-	 * event during the conversion process which means we can
-	 * ignore any pen-up events with less than the requisite
-	 * count done.
-	 *
-	 * In several thousand conversions, no pen-ups where detected
-	 * before count completed.
-	 */
-}
-
-/**
- * s3c24xx_ts_select - ADC selection callback.
- * @client: The client that was registered with the ADC core.
- * @select: The reason for select.
- *
- * Called when the ADC core selects (or deslects) us as a client.
- */
-static void s3c24xx_ts_select(struct s3c_adc_client *client, unsigned select)
-{
-	if (select) {
-		writel(S3C2410_ADCTSC_PULL_UP_DISABLE | AUTOPST,
-		       ts.io + S3C2410_ADCTSC);
-	} else {
-		mod_timer(&touch_timer, jiffies+1);
-		writel(WAIT4INT | INT_UP, ts.io + S3C2410_ADCTSC);
-	}
-}
-
-/**
- * s3c2410ts_probe - device core probe entry point
- * @pdev: The device we are being bound to.
- *
- * Initialise, find and allocate any resources we need to run and then
- * register with the ADC and input systems.
- */
-static int s3c2410ts_probe(struct platform_device *pdev)
-{
-	struct s3c2410_ts_mach_info *info;
-	struct device *dev = &pdev->dev;
-	struct input_dev *input_dev;
-	struct resource *res;
-	int ret = -EINVAL;
-
-	/* Initialise input stuff */
-	memset(&ts, 0, sizeof(struct s3c2410ts));
-
-	ts.dev = dev;
-
-	info = dev_get_platdata(dev);
-	if (!info) {
-		dev_err(dev, "no platform data, cannot attach\n");
-		return -EINVAL;
-	}
-
-	dev_dbg(dev, "initialising touchscreen\n");
-
-	ts.clock = clk_get(dev, "adc");
-	if (IS_ERR(ts.clock)) {
-		dev_err(dev, "cannot get adc clock source\n");
-		return -ENOENT;
-	}
-
-	ret = clk_prepare_enable(ts.clock);
-	if (ret) {
-		dev_err(dev, "Failed! to enabled clocks\n");
-		goto err_clk_get;
-	}
-	dev_dbg(dev, "got and enabled clocks\n");
-
-	ts.irq_tc = ret = platform_get_irq(pdev, 0);
-	if (ret < 0) {
-		dev_err(dev, "no resource for interrupt\n");
-		goto err_clk;
-	}
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(dev, "no resource for registers\n");
-		ret = -ENOENT;
-		goto err_clk;
-	}
-
-	ts.io = ioremap(res->start, resource_size(res));
-	if (ts.io == NULL) {
-		dev_err(dev, "cannot map registers\n");
-		ret = -ENOMEM;
-		goto err_clk;
-	}
-
-	/* inititalise the gpio */
-	if (info->cfg_gpio)
-		info->cfg_gpio(to_platform_device(ts.dev));
-
-	ts.client = s3c_adc_register(pdev, s3c24xx_ts_select,
-				     s3c24xx_ts_conversion, 1);
-	if (IS_ERR(ts.client)) {
-		dev_err(dev, "failed to register adc client\n");
-		ret = PTR_ERR(ts.client);
-		goto err_iomap;
-	}
-
-	/* Initialise registers */
-	if ((info->delay & 0xffff) > 0)
-		writel(info->delay & 0xffff, ts.io + S3C2410_ADCDLY);
-
-	writel(WAIT4INT | INT_DOWN, ts.io + S3C2410_ADCTSC);
-
-	input_dev = input_allocate_device();
-	if (!input_dev) {
-		dev_err(dev, "Unable to allocate the input device !!\n");
-		ret = -ENOMEM;
-		goto err_iomap;
-	}
-
-	ts.input = input_dev;
-	ts.input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
-	ts.input->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
-	input_set_abs_params(ts.input, ABS_X, 0, 0x3FF, 0, 0);
-	input_set_abs_params(ts.input, ABS_Y, 0, 0x3FF, 0, 0);
-
-	ts.input->name = "S3C24XX TouchScreen";
-	ts.input->id.bustype = BUS_HOST;
-	ts.input->id.vendor = 0xDEAD;
-	ts.input->id.product = 0xBEEF;
-	ts.input->id.version = 0x0102;
-
-	ts.shift = info->oversampling_shift;
-	ts.features = platform_get_device_id(pdev)->driver_data;
-
-	ret = request_irq(ts.irq_tc, stylus_irq, 0,
-			  "s3c2410_ts_pen", ts.input);
-	if (ret) {
-		dev_err(dev, "cannot get TC interrupt\n");
-		goto err_inputdev;
-	}
-
-	dev_info(dev, "driver attached, registering input device\n");
-
-	/* All went ok, so register to the input system */
-	ret = input_register_device(ts.input);
-	if (ret < 0) {
-		dev_err(dev, "failed to register input device\n");
-		ret = -EIO;
-		goto err_tcirq;
-	}
-
-	return 0;
-
- err_tcirq:
-	free_irq(ts.irq_tc, ts.input);
- err_inputdev:
-	input_free_device(ts.input);
- err_iomap:
-	iounmap(ts.io);
- err_clk:
-	clk_disable_unprepare(ts.clock);
-	del_timer_sync(&touch_timer);
- err_clk_get:
-	clk_put(ts.clock);
-	return ret;
-}
-
-/**
- * s3c2410ts_remove - device core removal entry point
- * @pdev: The device we are being removed from.
- *
- * Free up our state ready to be removed.
- */
-static int s3c2410ts_remove(struct platform_device *pdev)
-{
-	free_irq(ts.irq_tc, ts.input);
-	del_timer_sync(&touch_timer);
-
-	clk_disable_unprepare(ts.clock);
-	clk_put(ts.clock);
-
-	input_unregister_device(ts.input);
-	iounmap(ts.io);
-
-	return 0;
-}
-
-#ifdef CONFIG_PM
-static int s3c2410ts_suspend(struct device *dev)
-{
-	writel(TSC_SLEEP, ts.io + S3C2410_ADCTSC);
-	disable_irq(ts.irq_tc);
-	clk_disable(ts.clock);
-
-	return 0;
-}
-
-static int s3c2410ts_resume(struct device *dev)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-	struct s3c2410_ts_mach_info *info = dev_get_platdata(&pdev->dev);
-
-	clk_enable(ts.clock);
-	enable_irq(ts.irq_tc);
-
-	/* Initialise registers */
-	if ((info->delay & 0xffff) > 0)
-		writel(info->delay & 0xffff, ts.io + S3C2410_ADCDLY);
-
-	writel(WAIT4INT | INT_DOWN, ts.io + S3C2410_ADCTSC);
-
-	return 0;
-}
-
-static const struct dev_pm_ops s3c_ts_pmops = {
-	.suspend	= s3c2410ts_suspend,
-	.resume		= s3c2410ts_resume,
-};
-#endif
-
-static const struct platform_device_id s3cts_driver_ids[] = {
-	{ "s3c2410-ts", 0 },
-	{ "s3c2440-ts", 0 },
-	{ "s3c64xx-ts", FEAT_PEN_IRQ },
-	{ }
-};
-MODULE_DEVICE_TABLE(platform, s3cts_driver_ids);
-
-static struct platform_driver s3c_ts_driver = {
-	.driver         = {
-		.name   = "samsung-ts",
-#ifdef CONFIG_PM
-		.pm	= &s3c_ts_pmops,
-#endif
-	},
-	.id_table	= s3cts_driver_ids,
-	.probe		= s3c2410ts_probe,
-	.remove		= s3c2410ts_remove,
-};
-module_platform_driver(s3c_ts_driver);
-
-MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>, "
-	      "Ben Dooks <ben@simtec.co.uk>, "
-	      "Simtec Electronics <linux@simtec.co.uk>");
-MODULE_DESCRIPTION("S3C24XX Touchscreen driver");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c
deleted file mode 100644
index 1b3d1df231bb..000000000000
--- a/drivers/input/touchscreen/ucb1400_ts.c
+++ /dev/null
@@ -1,458 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- *  Philips UCB1400 touchscreen driver
- *
- *  Author:	Nicolas Pitre
- *  Created:	September 25, 2006
- *  Copyright:	MontaVista Software, Inc.
- *
- * Spliting done by: Marek Vasut <marek.vasut@gmail.com>
- * If something doesn't work and it worked before spliting, e-mail me,
- * dont bother Nicolas please ;-)
- *
- * This code is heavily based on ucb1x00-*.c copyrighted by Russell King
- * covering the UCB1100, UCB1200 and UCB1300..  Support for the UCB1400 has
- * been made separate from ucb1x00-core/ucb1x00-ts on Russell's request.
- */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/sched.h>
-#include <linux/wait.h>
-#include <linux/input.h>
-#include <linux/device.h>
-#include <linux/interrupt.h>
-#include <linux/ucb1400.h>
-
-#define UCB1400_TS_POLL_PERIOD	10 /* ms */
-
-static bool adcsync;
-static int ts_delay = 55; /* us */
-static int ts_delay_pressure;	/* us */
-
-/* Switch to interrupt mode. */
-static void ucb1400_ts_mode_int(struct ucb1400_ts *ucb)
-{
-	ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
-			UCB_TS_CR_TSMX_POW | UCB_TS_CR_TSPX_POW |
-			UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_GND |
-			UCB_TS_CR_MODE_INT);
-}
-
-/*
- * Switch to pressure mode, and read pressure.  We don't need to wait
- * here, since both plates are being driven.
- */
-static unsigned int ucb1400_ts_read_pressure(struct ucb1400_ts *ucb)
-{
-	ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
-			UCB_TS_CR_TSMX_POW | UCB_TS_CR_TSPX_POW |
-			UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_GND |
-			UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
-
-	udelay(ts_delay_pressure);
-
-	return ucb1400_adc_read(ucb->ac97, UCB_ADC_INP_TSPY, adcsync);
-}
-
-/*
- * Switch to X position mode and measure Y plate.  We switch the plate
- * configuration in pressure mode, then switch to position mode.  This
- * gives a faster response time.  Even so, we need to wait about 55us
- * for things to stabilise.
- */
-static unsigned int ucb1400_ts_read_xpos(struct ucb1400_ts *ucb)
-{
-	ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
-			UCB_TS_CR_TSMX_GND | UCB_TS_CR_TSPX_POW |
-			UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
-	ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
-			UCB_TS_CR_TSMX_GND | UCB_TS_CR_TSPX_POW |
-			UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
-	ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
-			UCB_TS_CR_TSMX_GND | UCB_TS_CR_TSPX_POW |
-			UCB_TS_CR_MODE_POS | UCB_TS_CR_BIAS_ENA);
-
-	udelay(ts_delay);
-
-	return ucb1400_adc_read(ucb->ac97, UCB_ADC_INP_TSPY, adcsync);
-}
-
-/*
- * Switch to Y position mode and measure X plate.  We switch the plate
- * configuration in pressure mode, then switch to position mode.  This
- * gives a faster response time.  Even so, we need to wait about 55us
- * for things to stabilise.
- */
-static int ucb1400_ts_read_ypos(struct ucb1400_ts *ucb)
-{
-	ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
-			UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_POW |
-			UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
-	ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
-			UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_POW |
-			UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
-	ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
-			UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_POW |
-			UCB_TS_CR_MODE_POS | UCB_TS_CR_BIAS_ENA);
-
-	udelay(ts_delay);
-
-	return ucb1400_adc_read(ucb->ac97, UCB_ADC_INP_TSPX, adcsync);
-}
-
-/*
- * Switch to X plate resistance mode.  Set MX to ground, PX to
- * supply.  Measure current.
- */
-static unsigned int ucb1400_ts_read_xres(struct ucb1400_ts *ucb)
-{
-	ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
-			UCB_TS_CR_TSMX_GND | UCB_TS_CR_TSPX_POW |
-			UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
-	return ucb1400_adc_read(ucb->ac97, 0, adcsync);
-}
-
-/*
- * Switch to Y plate resistance mode.  Set MY to ground, PY to
- * supply.  Measure current.
- */
-static unsigned int ucb1400_ts_read_yres(struct ucb1400_ts *ucb)
-{
-	ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
-			UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_POW |
-			UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
-	return ucb1400_adc_read(ucb->ac97, 0, adcsync);
-}
-
-static int ucb1400_ts_pen_up(struct ucb1400_ts *ucb)
-{
-	unsigned short val = ucb1400_reg_read(ucb->ac97, UCB_TS_CR);
-
-	return val & (UCB_TS_CR_TSPX_LOW | UCB_TS_CR_TSMX_LOW);
-}
-
-static void ucb1400_ts_irq_enable(struct ucb1400_ts *ucb)
-{
-	ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, UCB_IE_TSPX);
-	ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, 0);
-	ucb1400_reg_write(ucb->ac97, UCB_IE_FAL, UCB_IE_TSPX);
-}
-
-static void ucb1400_ts_irq_disable(struct ucb1400_ts *ucb)
-{
-	ucb1400_reg_write(ucb->ac97, UCB_IE_FAL, 0);
-}
-
-static void ucb1400_ts_report_event(struct input_dev *idev, u16 pressure, u16 x, u16 y)
-{
-	input_report_abs(idev, ABS_X, x);
-	input_report_abs(idev, ABS_Y, y);
-	input_report_abs(idev, ABS_PRESSURE, pressure);
-	input_report_key(idev, BTN_TOUCH, 1);
-	input_sync(idev);
-}
-
-static void ucb1400_ts_event_release(struct input_dev *idev)
-{
-	input_report_abs(idev, ABS_PRESSURE, 0);
-	input_report_key(idev, BTN_TOUCH, 0);
-	input_sync(idev);
-}
-
-static void ucb1400_clear_pending_irq(struct ucb1400_ts *ucb)
-{
-	unsigned int isr;
-
-	isr = ucb1400_reg_read(ucb->ac97, UCB_IE_STATUS);
-	ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, isr);
-	ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, 0);
-
-	if (isr & UCB_IE_TSPX)
-		ucb1400_ts_irq_disable(ucb);
-	else
-		dev_dbg(&ucb->ts_idev->dev,
-			"ucb1400: unexpected IE_STATUS = %#x\n", isr);
-}
-
-/*
- * A restriction with interrupts exists when using the ucb1400, as
- * the codec read/write routines may sleep while waiting for codec
- * access completion and uses semaphores for access control to the
- * AC97 bus. Therefore the driver is forced to use threaded interrupt
- * handler.
- */
-static irqreturn_t ucb1400_irq(int irqnr, void *devid)
-{
-	struct ucb1400_ts *ucb = devid;
-	unsigned int x, y, p;
-
-	if (unlikely(irqnr != ucb->irq))
-		return IRQ_NONE;
-
-	ucb1400_clear_pending_irq(ucb);
-
-	/* Start with a small delay before checking pendown state */
-	msleep(UCB1400_TS_POLL_PERIOD);
-
-	while (!ucb->stopped && !ucb1400_ts_pen_up(ucb)) {
-		ucb1400_adc_enable(ucb->ac97);
-		x = ucb1400_ts_read_xpos(ucb);
-		y = ucb1400_ts_read_ypos(ucb);
-		p = ucb1400_ts_read_pressure(ucb);
-		ucb1400_adc_disable(ucb->ac97);
-
-		ucb1400_ts_report_event(ucb->ts_idev, p, x, y);
-
-		wait_event_timeout(ucb->ts_wait, ucb->stopped,
-				   msecs_to_jiffies(UCB1400_TS_POLL_PERIOD));
-	}
-
-	ucb1400_ts_event_release(ucb->ts_idev);
-
-	if (!ucb->stopped) {
-		/* Switch back to interrupt mode. */
-		ucb1400_ts_mode_int(ucb);
-		ucb1400_ts_irq_enable(ucb);
-	}
-
-	return IRQ_HANDLED;
-}
-
-static void ucb1400_ts_stop(struct ucb1400_ts *ucb)
-{
-	/* Signal IRQ thread to stop polling and disable the handler. */
-	ucb->stopped = true;
-	mb();
-	wake_up(&ucb->ts_wait);
-	disable_irq(ucb->irq);
-
-	ucb1400_ts_irq_disable(ucb);
-	ucb1400_reg_write(ucb->ac97, UCB_TS_CR, 0);
-}
-
-/* Must be called with ts->lock held */
-static void ucb1400_ts_start(struct ucb1400_ts *ucb)
-{
-	/* Tell IRQ thread that it may poll the device. */
-	ucb->stopped = false;
-	mb();
-
-	ucb1400_ts_mode_int(ucb);
-	ucb1400_ts_irq_enable(ucb);
-
-	enable_irq(ucb->irq);
-}
-
-static int ucb1400_ts_open(struct input_dev *idev)
-{
-	struct ucb1400_ts *ucb = input_get_drvdata(idev);
-
-	ucb1400_ts_start(ucb);
-
-	return 0;
-}
-
-static void ucb1400_ts_close(struct input_dev *idev)
-{
-	struct ucb1400_ts *ucb = input_get_drvdata(idev);
-
-	ucb1400_ts_stop(ucb);
-}
-
-#ifndef NO_IRQ
-#define NO_IRQ	0
-#endif
-
-/*
- * Try to probe our interrupt, rather than relying on lots of
- * hard-coded machine dependencies.
- */
-static int ucb1400_ts_detect_irq(struct ucb1400_ts *ucb,
-					   struct platform_device *pdev)
-{
-	unsigned long mask, timeout;
-
-	mask = probe_irq_on();
-
-	/* Enable the ADC interrupt. */
-	ucb1400_reg_write(ucb->ac97, UCB_IE_RIS, UCB_IE_ADC);
-	ucb1400_reg_write(ucb->ac97, UCB_IE_FAL, UCB_IE_ADC);
-	ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, 0xffff);
-	ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, 0);
-
-	/* Cause an ADC interrupt. */
-	ucb1400_reg_write(ucb->ac97, UCB_ADC_CR, UCB_ADC_ENA);
-	ucb1400_reg_write(ucb->ac97, UCB_ADC_CR, UCB_ADC_ENA | UCB_ADC_START);
-
-	/* Wait for the conversion to complete. */
-	timeout = jiffies + HZ/2;
-	while (!(ucb1400_reg_read(ucb->ac97, UCB_ADC_DATA) &
-						UCB_ADC_DAT_VALID)) {
-		cpu_relax();
-		if (time_after(jiffies, timeout)) {
-			dev_err(&pdev->dev, "timed out in IRQ probe\n");
-			probe_irq_off(mask);
-			return -ENODEV;
-		}
-	}
-	ucb1400_reg_write(ucb->ac97, UCB_ADC_CR, 0);
-
-	/* Disable and clear interrupt. */
-	ucb1400_reg_write(ucb->ac97, UCB_IE_RIS, 0);
-	ucb1400_reg_write(ucb->ac97, UCB_IE_FAL, 0);
-	ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, 0xffff);
-	ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, 0);
-
-	/* Read triggered interrupt. */
-	ucb->irq = probe_irq_off(mask);
-	if (ucb->irq < 0 || ucb->irq == NO_IRQ)
-		return -ENODEV;
-
-	return 0;
-}
-
-static int ucb1400_ts_probe(struct platform_device *pdev)
-{
-	struct ucb1400_ts *ucb = dev_get_platdata(&pdev->dev);
-	int error, x_res, y_res;
-	u16 fcsr;
-
-	ucb->ts_idev = input_allocate_device();
-	if (!ucb->ts_idev) {
-		error = -ENOMEM;
-		goto err;
-	}
-
-	/* Only in case the IRQ line wasn't supplied, try detecting it */
-	if (ucb->irq < 0) {
-		error = ucb1400_ts_detect_irq(ucb, pdev);
-		if (error) {
-			dev_err(&pdev->dev, "IRQ probe failed\n");
-			goto err_free_devs;
-		}
-	}
-	dev_dbg(&pdev->dev, "found IRQ %d\n", ucb->irq);
-
-	init_waitqueue_head(&ucb->ts_wait);
-
-	input_set_drvdata(ucb->ts_idev, ucb);
-
-	ucb->ts_idev->dev.parent	= &pdev->dev;
-	ucb->ts_idev->name		= "UCB1400 touchscreen interface";
-	ucb->ts_idev->id.vendor		= ucb1400_reg_read(ucb->ac97,
-						AC97_VENDOR_ID1);
-	ucb->ts_idev->id.product	= ucb->id;
-	ucb->ts_idev->open		= ucb1400_ts_open;
-	ucb->ts_idev->close		= ucb1400_ts_close;
-	ucb->ts_idev->evbit[0]		= BIT_MASK(EV_ABS) | BIT_MASK(EV_KEY);
-	ucb->ts_idev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
-
-	/*
-	 * Enable ADC filter to prevent horrible jitter on Colibri.
-	 * This also further reduces jitter on boards where ADCSYNC
-	 * pin is connected.
-	 */
-	fcsr = ucb1400_reg_read(ucb->ac97, UCB_FCSR);
-	ucb1400_reg_write(ucb->ac97, UCB_FCSR, fcsr | UCB_FCSR_AVE);
-
-	ucb1400_adc_enable(ucb->ac97);
-	x_res = ucb1400_ts_read_xres(ucb);
-	y_res = ucb1400_ts_read_yres(ucb);
-	ucb1400_adc_disable(ucb->ac97);
-	dev_dbg(&pdev->dev, "x/y = %d/%d\n", x_res, y_res);
-
-	input_set_abs_params(ucb->ts_idev, ABS_X, 0, x_res, 0, 0);
-	input_set_abs_params(ucb->ts_idev, ABS_Y, 0, y_res, 0, 0);
-	input_set_abs_params(ucb->ts_idev, ABS_PRESSURE, 0, 0, 0, 0);
-
-	ucb1400_ts_stop(ucb);
-
-	error = request_threaded_irq(ucb->irq, NULL, ucb1400_irq,
-				     IRQF_TRIGGER_RISING | IRQF_ONESHOT,
-				     "UCB1400", ucb);
-	if (error) {
-		dev_err(&pdev->dev,
-			"unable to grab irq%d: %d\n", ucb->irq, error);
-		goto err_free_devs;
-	}
-
-	error = input_register_device(ucb->ts_idev);
-	if (error)
-		goto err_free_irq;
-
-	return 0;
-
-err_free_irq:
-	free_irq(ucb->irq, ucb);
-err_free_devs:
-	input_free_device(ucb->ts_idev);
-err:
-	return error;
-}
-
-static int ucb1400_ts_remove(struct platform_device *pdev)
-{
-	struct ucb1400_ts *ucb = dev_get_platdata(&pdev->dev);
-
-	free_irq(ucb->irq, ucb);
-	input_unregister_device(ucb->ts_idev);
-
-	return 0;
-}
-
-static int ucb1400_ts_suspend(struct device *dev)
-{
-	struct ucb1400_ts *ucb = dev_get_platdata(dev);
-	struct input_dev *idev = ucb->ts_idev;
-
-	mutex_lock(&idev->mutex);
-
-	if (input_device_enabled(idev))
-		ucb1400_ts_stop(ucb);
-
-	mutex_unlock(&idev->mutex);
-	return 0;
-}
-
-static int ucb1400_ts_resume(struct device *dev)
-{
-	struct ucb1400_ts *ucb = dev_get_platdata(dev);
-	struct input_dev *idev = ucb->ts_idev;
-
-	mutex_lock(&idev->mutex);
-
-	if (input_device_enabled(idev))
-		ucb1400_ts_start(ucb);
-
-	mutex_unlock(&idev->mutex);
-	return 0;
-}
-
-static DEFINE_SIMPLE_DEV_PM_OPS(ucb1400_ts_pm_ops,
-				ucb1400_ts_suspend, ucb1400_ts_resume);
-
-static struct platform_driver ucb1400_ts_driver = {
-	.probe	= ucb1400_ts_probe,
-	.remove	= ucb1400_ts_remove,
-	.driver	= {
-		.name	= "ucb1400_ts",
-		.pm	= pm_sleep_ptr(&ucb1400_ts_pm_ops),
-	},
-};
-module_platform_driver(ucb1400_ts_driver);
-
-module_param(adcsync, bool, 0444);
-MODULE_PARM_DESC(adcsync, "Synchronize touch readings with ADCSYNC pin.");
-
-module_param(ts_delay, int, 0444);
-MODULE_PARM_DESC(ts_delay, "Delay between panel setup and"
-			    " position read. Default = 55us.");
-
-module_param(ts_delay_pressure, int, 0444);
-MODULE_PARM_DESC(ts_delay_pressure,
-		"delay between panel setup and pressure read."
-		"  Default = 0us.");
-
-MODULE_DESCRIPTION("Philips UCB1400 touchscreen driver");
-MODULE_LICENSE("GPL");
diff --git a/drivers/input/touchscreen/zylonite-wm97xx.c b/drivers/input/touchscreen/zylonite-wm97xx.c
deleted file mode 100644
index a70fe4abe520..000000000000
--- a/drivers/input/touchscreen/zylonite-wm97xx.c
+++ /dev/null
@@ -1,220 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * zylonite-wm97xx.c  --  Zylonite Continuous Touch screen driver
- *
- * Copyright 2004, 2007, 2008 Wolfson Microelectronics PLC.
- * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
- * Parts Copyright : Ian Molton <spyro@f2s.com>
- *                   Andrew Zabolotny <zap@homelink.ru>
- *
- * Notes:
- *     This is a wm97xx extended touch driver supporting interrupt driven
- *     and continuous operation on Marvell Zylonite development systems
- *     (which have a WM9713 on board).
- */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <linux/gpio/consumer.h>
-#include <linux/irq.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/soc/pxa/cpu.h>
-#include <linux/wm97xx.h>
-
-#include <sound/pxa2xx-lib.h>
-
-struct continuous {
-	u16 id;    /* codec id */
-	u8 code;   /* continuous code */
-	u8 reads;  /* number of coord reads per read cycle */
-	u32 speed; /* number of coords per second */
-};
-
-#define WM_READS(sp) ((sp / HZ) + 1)
-
-static const struct continuous cinfo[] = {
-	{ WM9713_ID2, 0, WM_READS(94),  94  },
-	{ WM9713_ID2, 1, WM_READS(120), 120 },
-	{ WM9713_ID2, 2, WM_READS(154), 154 },
-	{ WM9713_ID2, 3, WM_READS(188), 188 },
-};
-
-/* continuous speed index */
-static int sp_idx;
-
-/*
- * Pen sampling frequency (Hz) in continuous mode.
- */
-static int cont_rate = 200;
-module_param(cont_rate, int, 0);
-MODULE_PARM_DESC(cont_rate, "Sampling rate in continuous mode (Hz)");
-
-/*
- * Pressure readback.
- *
- * Set to 1 to read back pen down pressure
- */
-static int pressure;
-module_param(pressure, int, 0);
-MODULE_PARM_DESC(pressure, "Pressure readback (1 = pressure, 0 = no pressure)");
-
-/*
- * AC97 touch data slot.
- *
- * Touch screen readback data ac97 slot
- */
-static int ac97_touch_slot = 5;
-module_param(ac97_touch_slot, int, 0);
-MODULE_PARM_DESC(ac97_touch_slot, "Touch screen data slot AC97 number");
-
-
-/* flush AC97 slot 5 FIFO machines */
-static void wm97xx_acc_pen_up(struct wm97xx *wm)
-{
-	int i;
-
-	msleep(1);
-
-	for (i = 0; i < 16; i++)
-		pxa2xx_ac97_read_modr();
-}
-
-static int wm97xx_acc_pen_down(struct wm97xx *wm)
-{
-	u16 x, y, p = 0x100 | WM97XX_ADCSEL_PRES;
-	int reads = 0;
-	static u16 last, tries;
-
-	/* When the AC97 queue has been drained we need to allow time
-	 * to buffer up samples otherwise we end up spinning polling
-	 * for samples.  The controller can't have a suitably low
-	 * threshold set to use the notifications it gives.
-	 */
-	msleep(1);
-
-	if (tries > 5) {
-		tries = 0;
-		return RC_PENUP;
-	}
-
-	x = pxa2xx_ac97_read_modr();
-	if (x == last) {
-		tries++;
-		return RC_AGAIN;
-	}
-	last = x;
-	do {
-		if (reads)
-			x = pxa2xx_ac97_read_modr();
-		y = pxa2xx_ac97_read_modr();
-		if (pressure)
-			p = pxa2xx_ac97_read_modr();
-
-		dev_dbg(wm->dev, "Raw coordinates: x=%x, y=%x, p=%x\n",
-			x, y, p);
-
-		/* are samples valid */
-		if ((x & WM97XX_ADCSEL_MASK) != WM97XX_ADCSEL_X ||
-		    (y & WM97XX_ADCSEL_MASK) != WM97XX_ADCSEL_Y ||
-		    (p & WM97XX_ADCSEL_MASK) != WM97XX_ADCSEL_PRES)
-			goto up;
-
-		/* coordinate is good */
-		tries = 0;
-		input_report_abs(wm->input_dev, ABS_X, x & 0xfff);
-		input_report_abs(wm->input_dev, ABS_Y, y & 0xfff);
-		input_report_abs(wm->input_dev, ABS_PRESSURE, p & 0xfff);
-		input_report_key(wm->input_dev, BTN_TOUCH, (p != 0));
-		input_sync(wm->input_dev);
-		reads++;
-	} while (reads < cinfo[sp_idx].reads);
-up:
-	return RC_PENDOWN | RC_AGAIN;
-}
-
-static int wm97xx_acc_startup(struct wm97xx *wm)
-{
-	int idx;
-
-	/* check we have a codec */
-	if (wm->ac97 == NULL)
-		return -ENODEV;
-
-	/* Go you big red fire engine */
-	for (idx = 0; idx < ARRAY_SIZE(cinfo); idx++) {
-		if (wm->id != cinfo[idx].id)
-			continue;
-		sp_idx = idx;
-		if (cont_rate <= cinfo[idx].speed)
-			break;
-	}
-	wm->acc_rate = cinfo[sp_idx].code;
-	wm->acc_slot = ac97_touch_slot;
-	dev_info(wm->dev,
-		 "zylonite accelerated touchscreen driver, %d samples/sec\n",
-		 cinfo[sp_idx].speed);
-
-	return 0;
-}
-
-static struct wm97xx_mach_ops zylonite_mach_ops = {
-	.acc_enabled	= 1,
-	.acc_pen_up	= wm97xx_acc_pen_up,
-	.acc_pen_down	= wm97xx_acc_pen_down,
-	.acc_startup	= wm97xx_acc_startup,
-	.irq_gpio	= WM97XX_GPIO_2,
-};
-
-static int zylonite_wm97xx_probe(struct platform_device *pdev)
-{
-	struct wm97xx *wm = platform_get_drvdata(pdev);
-	struct gpio_desc *gpio_touch_irq;
-	int err;
-
-	gpio_touch_irq = devm_gpiod_get(&pdev->dev, "touch", GPIOD_IN);
-	err = PTR_ERR_OR_ZERO(gpio_touch_irq);
-	if (err) {
-		dev_err(&pdev->dev, "Cannot get irq gpio: %d\n", err);
-		return err;
-	}
-
-	wm->pen_irq = gpiod_to_irq(gpio_touch_irq);
-	irq_set_irq_type(wm->pen_irq, IRQ_TYPE_EDGE_BOTH);
-
-	wm97xx_config_gpio(wm, WM97XX_GPIO_13, WM97XX_GPIO_IN,
-			   WM97XX_GPIO_POL_HIGH,
-			   WM97XX_GPIO_STICKY,
-			   WM97XX_GPIO_WAKE);
-	wm97xx_config_gpio(wm, WM97XX_GPIO_2, WM97XX_GPIO_OUT,
-			   WM97XX_GPIO_POL_HIGH,
-			   WM97XX_GPIO_NOTSTICKY,
-			   WM97XX_GPIO_NOWAKE);
-
-	return wm97xx_register_mach_ops(wm, &zylonite_mach_ops);
-}
-
-static int zylonite_wm97xx_remove(struct platform_device *pdev)
-{
-	struct wm97xx *wm = platform_get_drvdata(pdev);
-
-	wm97xx_unregister_mach_ops(wm);
-
-	return 0;
-}
-
-static struct platform_driver zylonite_wm97xx_driver = {
-	.probe	= zylonite_wm97xx_probe,
-	.remove	= zylonite_wm97xx_remove,
-	.driver	= {
-		.name	= "wm97xx-touch",
-	},
-};
-module_platform_driver(zylonite_wm97xx_driver);
-
-/* Module information */
-MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
-MODULE_DESCRIPTION("wm97xx continuous touch driver for Zylonite");
-MODULE_LICENSE("GPL");