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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2023-03-17 04:01:30 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2023-03-17 04:01:30 -0700
commitd26a3a6ce7e02f9c056ad992bcd9624735022337 (patch)
tree9df8aeaceed50bf65d01172c67f67035c9fa59ef /drivers/input/keyboard
parent007e50eb5dbe7b33a43a1449a0d9c29e8dcf1c67 (diff)
parenteeac8ede17557680855031c6f305ece2378af326 (diff)
Merge tag 'v6.3-rc2' into next
Merge with mainline to get of_property_present() and other newer APIs.
Diffstat (limited to 'drivers/input/keyboard')
-rw-r--r--drivers/input/keyboard/Kconfig19
-rw-r--r--drivers/input/keyboard/Makefile2
-rw-r--r--drivers/input/keyboard/davinci_keyscan.c315
-rw-r--r--drivers/input/keyboard/mtk-pmic-keys.c17
-rw-r--r--drivers/input/keyboard/pxa930_rotary.c195
5 files changed, 17 insertions, 531 deletions
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 6e51ebc55c4b..1d0c5f4c0f99 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -550,15 +550,6 @@ config KEYBOARD_PXA27x
To compile this driver as a module, choose M here: the
module will be called pxa27x_keypad.
-config KEYBOARD_PXA930_ROTARY
- tristate "PXA930/PXA935 Enhanced Rotary Controller Support"
- depends on CPU_PXA930 || CPU_PXA935
- help
- Enable support for PXA930/PXA935 Enhanced Rotary Controller.
-
- To compile this driver as a module, choose M here: the
- module will be called pxa930_rotary.
-
config KEYBOARD_PMIC8XXX
tristate "Qualcomm PMIC8XXX keypad support"
depends on MFD_PM8XXX
@@ -657,16 +648,6 @@ config KEYBOARD_SUN4I_LRADC
To compile this driver as a module, choose M here: the
module will be called sun4i-lradc-keys.
-config KEYBOARD_DAVINCI
- tristate "TI DaVinci Key Scan"
- depends on ARCH_DAVINCI_DM365
- help
- Say Y to enable keypad module support for the TI DaVinci
- platforms (DM365).
-
- To compile this driver as a module, choose M here: the
- module will be called davinci_keyscan.
-
config KEYBOARD_IPAQ_MICRO
tristate "Buttons on Micro SoC (iPaq h3100,h3600,h3700)"
depends on MFD_IPAQ_MICRO
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index 5f67196bb2c1..aecef00c5d09 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -18,7 +18,6 @@ obj-$(CONFIG_KEYBOARD_CAP11XX) += cap11xx.o
obj-$(CONFIG_KEYBOARD_CLPS711X) += clps711x-keypad.o
obj-$(CONFIG_KEYBOARD_CROS_EC) += cros_ec_keyb.o
obj-$(CONFIG_KEYBOARD_CYPRESS_SF) += cypress-sf.o
-obj-$(CONFIG_KEYBOARD_DAVINCI) += davinci_keyscan.o
obj-$(CONFIG_KEYBOARD_DLINK_DIR685) += dlink-dir685-touchkeys.o
obj-$(CONFIG_KEYBOARD_EP93XX) += ep93xx_keypad.o
obj-$(CONFIG_KEYBOARD_GOLDFISH_EVENTS) += goldfish_events.o
@@ -55,7 +54,6 @@ obj-$(CONFIG_KEYBOARD_OPENCORES) += opencores-kbd.o
obj-$(CONFIG_KEYBOARD_PINEPHONE) += pinephone-keyboard.o
obj-$(CONFIG_KEYBOARD_PMIC8XXX) += pmic8xxx-keypad.o
obj-$(CONFIG_KEYBOARD_PXA27x) += pxa27x_keypad.o
-obj-$(CONFIG_KEYBOARD_PXA930_ROTARY) += pxa930_rotary.o
obj-$(CONFIG_KEYBOARD_QT1050) += qt1050.o
obj-$(CONFIG_KEYBOARD_QT1070) += qt1070.o
obj-$(CONFIG_KEYBOARD_QT2160) += qt2160.o
diff --git a/drivers/input/keyboard/davinci_keyscan.c b/drivers/input/keyboard/davinci_keyscan.c
deleted file mode 100644
index f489cd585b33..000000000000
--- a/drivers/input/keyboard/davinci_keyscan.c
+++ /dev/null
@@ -1,315 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * DaVinci Key Scan Driver for TI platforms
- *
- * Copyright (C) 2009 Texas Instruments, Inc
- *
- * Author: Miguel Aguilar <miguel.aguilar@ridgerun.com>
- *
- * Initial Code: Sandeep Paulraj <s-paulraj@ti.com>
- */
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/types.h>
-#include <linux/input.h>
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <linux/platform_device.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-
-#include <linux/platform_data/keyscan-davinci.h>
-
-/* Key scan registers */
-#define DAVINCI_KEYSCAN_KEYCTRL 0x0000
-#define DAVINCI_KEYSCAN_INTENA 0x0004
-#define DAVINCI_KEYSCAN_INTFLAG 0x0008
-#define DAVINCI_KEYSCAN_INTCLR 0x000c
-#define DAVINCI_KEYSCAN_STRBWIDTH 0x0010
-#define DAVINCI_KEYSCAN_INTERVAL 0x0014
-#define DAVINCI_KEYSCAN_CONTTIME 0x0018
-#define DAVINCI_KEYSCAN_CURRENTST 0x001c
-#define DAVINCI_KEYSCAN_PREVSTATE 0x0020
-#define DAVINCI_KEYSCAN_EMUCTRL 0x0024
-#define DAVINCI_KEYSCAN_IODFTCTRL 0x002c
-
-/* Key Control Register (KEYCTRL) */
-#define DAVINCI_KEYSCAN_KEYEN 0x00000001
-#define DAVINCI_KEYSCAN_PREVMODE 0x00000002
-#define DAVINCI_KEYSCAN_CHATOFF 0x00000004
-#define DAVINCI_KEYSCAN_AUTODET 0x00000008
-#define DAVINCI_KEYSCAN_SCANMODE 0x00000010
-#define DAVINCI_KEYSCAN_OUTTYPE 0x00000020
-
-/* Masks for the interrupts */
-#define DAVINCI_KEYSCAN_INT_CONT 0x00000008
-#define DAVINCI_KEYSCAN_INT_OFF 0x00000004
-#define DAVINCI_KEYSCAN_INT_ON 0x00000002
-#define DAVINCI_KEYSCAN_INT_CHANGE 0x00000001
-#define DAVINCI_KEYSCAN_INT_ALL 0x0000000f
-
-struct davinci_ks {
- struct input_dev *input;
- struct davinci_ks_platform_data *pdata;
- int irq;
- void __iomem *base;
- resource_size_t pbase;
- size_t base_size;
- unsigned short keymap[];
-};
-
-/* Initializing the kp Module */
-static int __init davinci_ks_initialize(struct davinci_ks *davinci_ks)
-{
- struct device *dev = &davinci_ks->input->dev;
- struct davinci_ks_platform_data *pdata = davinci_ks->pdata;
- u32 matrix_ctrl;
-
- /* Enable all interrupts */
- __raw_writel(DAVINCI_KEYSCAN_INT_ALL,
- davinci_ks->base + DAVINCI_KEYSCAN_INTENA);
-
- /* Clear interrupts if any */
- __raw_writel(DAVINCI_KEYSCAN_INT_ALL,
- davinci_ks->base + DAVINCI_KEYSCAN_INTCLR);
-
- /* Setup the scan period = strobe + interval */
- __raw_writel(pdata->strobe,
- davinci_ks->base + DAVINCI_KEYSCAN_STRBWIDTH);
- __raw_writel(pdata->interval,
- davinci_ks->base + DAVINCI_KEYSCAN_INTERVAL);
- __raw_writel(0x01,
- davinci_ks->base + DAVINCI_KEYSCAN_CONTTIME);
-
- /* Define matrix type */
- switch (pdata->matrix_type) {
- case DAVINCI_KEYSCAN_MATRIX_4X4:
- matrix_ctrl = 0;
- break;
- case DAVINCI_KEYSCAN_MATRIX_5X3:
- matrix_ctrl = (1 << 6);
- break;
- default:
- dev_err(dev->parent, "wrong matrix type\n");
- return -EINVAL;
- }
-
- /* Enable key scan module and set matrix type */
- __raw_writel(DAVINCI_KEYSCAN_AUTODET | DAVINCI_KEYSCAN_KEYEN |
- matrix_ctrl, davinci_ks->base + DAVINCI_KEYSCAN_KEYCTRL);
-
- return 0;
-}
-
-static irqreturn_t davinci_ks_interrupt(int irq, void *dev_id)
-{
- struct davinci_ks *davinci_ks = dev_id;
- struct device *dev = &davinci_ks->input->dev;
- unsigned short *keymap = davinci_ks->keymap;
- int keymapsize = davinci_ks->pdata->keymapsize;
- u32 prev_status, new_status, changed;
- bool release;
- int keycode = KEY_UNKNOWN;
- int i;
-
- /* Disable interrupt */
- __raw_writel(0x0, davinci_ks->base + DAVINCI_KEYSCAN_INTENA);
-
- /* Reading previous and new status of the key scan */
- prev_status = __raw_readl(davinci_ks->base + DAVINCI_KEYSCAN_PREVSTATE);
- new_status = __raw_readl(davinci_ks->base + DAVINCI_KEYSCAN_CURRENTST);
-
- changed = prev_status ^ new_status;
-
- if (changed) {
- /*
- * It goes through all bits in 'changed' to ensure
- * that no key changes are being missed
- */
- for (i = 0 ; i < keymapsize; i++) {
- if ((changed>>i) & 0x1) {
- keycode = keymap[i];
- release = (new_status >> i) & 0x1;
- dev_dbg(dev->parent, "key %d %s\n", keycode,
- release ? "released" : "pressed");
- input_report_key(davinci_ks->input, keycode,
- !release);
- input_sync(davinci_ks->input);
- }
- }
- /* Clearing interrupt */
- __raw_writel(DAVINCI_KEYSCAN_INT_ALL,
- davinci_ks->base + DAVINCI_KEYSCAN_INTCLR);
- }
-
- /* Enable interrupts */
- __raw_writel(0x1, davinci_ks->base + DAVINCI_KEYSCAN_INTENA);
-
- return IRQ_HANDLED;
-}
-
-static int __init davinci_ks_probe(struct platform_device *pdev)
-{
- struct davinci_ks *davinci_ks;
- struct input_dev *key_dev;
- struct resource *res, *mem;
- struct device *dev = &pdev->dev;
- struct davinci_ks_platform_data *pdata = dev_get_platdata(dev);
- int error, i;
-
- if (pdata->device_enable) {
- error = pdata->device_enable(dev);
- if (error < 0) {
- dev_dbg(dev, "device enable function failed\n");
- return error;
- }
- }
-
- if (!pdata->keymap) {
- dev_dbg(dev, "no keymap from pdata\n");
- return -EINVAL;
- }
-
- davinci_ks = kzalloc(sizeof(struct davinci_ks) +
- sizeof(unsigned short) * pdata->keymapsize, GFP_KERNEL);
- if (!davinci_ks) {
- dev_dbg(dev, "could not allocate memory for private data\n");
- return -ENOMEM;
- }
-
- memcpy(davinci_ks->keymap, pdata->keymap,
- sizeof(unsigned short) * pdata->keymapsize);
-
- key_dev = input_allocate_device();
- if (!key_dev) {
- dev_dbg(dev, "could not allocate input device\n");
- error = -ENOMEM;
- goto fail1;
- }
-
- davinci_ks->input = key_dev;
-
- davinci_ks->irq = platform_get_irq(pdev, 0);
- if (davinci_ks->irq < 0) {
- error = davinci_ks->irq;
- goto fail2;
- }
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(dev, "no mem resource\n");
- error = -EINVAL;
- goto fail2;
- }
-
- davinci_ks->pbase = res->start;
- davinci_ks->base_size = resource_size(res);
-
- mem = request_mem_region(davinci_ks->pbase, davinci_ks->base_size,
- pdev->name);
- if (!mem) {
- dev_err(dev, "key scan registers at %08x are not free\n",
- davinci_ks->pbase);
- error = -EBUSY;
- goto fail2;
- }
-
- davinci_ks->base = ioremap(davinci_ks->pbase, davinci_ks->base_size);
- if (!davinci_ks->base) {
- dev_err(dev, "can't ioremap MEM resource.\n");
- error = -ENOMEM;
- goto fail3;
- }
-
- /* Enable auto repeat feature of Linux input subsystem */
- if (pdata->rep)
- __set_bit(EV_REP, key_dev->evbit);
-
- /* Setup input device */
- __set_bit(EV_KEY, key_dev->evbit);
-
- /* Setup the platform data */
- davinci_ks->pdata = pdata;
-
- for (i = 0; i < davinci_ks->pdata->keymapsize; i++)
- __set_bit(davinci_ks->pdata->keymap[i], key_dev->keybit);
-
- key_dev->name = "davinci_keyscan";
- key_dev->phys = "davinci_keyscan/input0";
- key_dev->dev.parent = dev;
- key_dev->id.bustype = BUS_HOST;
- key_dev->id.vendor = 0x0001;
- key_dev->id.product = 0x0001;
- key_dev->id.version = 0x0001;
- key_dev->keycode = davinci_ks->keymap;
- key_dev->keycodesize = sizeof(davinci_ks->keymap[0]);
- key_dev->keycodemax = davinci_ks->pdata->keymapsize;
-
- error = input_register_device(davinci_ks->input);
- if (error < 0) {
- dev_err(dev, "unable to register davinci key scan device\n");
- goto fail4;
- }
-
- error = request_irq(davinci_ks->irq, davinci_ks_interrupt,
- 0, pdev->name, davinci_ks);
- if (error < 0) {
- dev_err(dev, "unable to register davinci key scan interrupt\n");
- goto fail5;
- }
-
- error = davinci_ks_initialize(davinci_ks);
- if (error < 0) {
- dev_err(dev, "unable to initialize davinci key scan device\n");
- goto fail6;
- }
-
- platform_set_drvdata(pdev, davinci_ks);
- return 0;
-
-fail6:
- free_irq(davinci_ks->irq, davinci_ks);
-fail5:
- input_unregister_device(davinci_ks->input);
- key_dev = NULL;
-fail4:
- iounmap(davinci_ks->base);
-fail3:
- release_mem_region(davinci_ks->pbase, davinci_ks->base_size);
-fail2:
- input_free_device(key_dev);
-fail1:
- kfree(davinci_ks);
-
- return error;
-}
-
-static int davinci_ks_remove(struct platform_device *pdev)
-{
- struct davinci_ks *davinci_ks = platform_get_drvdata(pdev);
-
- free_irq(davinci_ks->irq, davinci_ks);
-
- input_unregister_device(davinci_ks->input);
-
- iounmap(davinci_ks->base);
- release_mem_region(davinci_ks->pbase, davinci_ks->base_size);
-
- kfree(davinci_ks);
-
- return 0;
-}
-
-static struct platform_driver davinci_ks_driver = {
- .driver = {
- .name = "davinci_keyscan",
- },
- .remove = davinci_ks_remove,
-};
-
-module_platform_driver_probe(davinci_ks_driver, davinci_ks_probe);
-
-MODULE_AUTHOR("Miguel Aguilar");
-MODULE_DESCRIPTION("Texas Instruments DaVinci Key Scan Driver");
-MODULE_LICENSE("GPL");
diff --git a/drivers/input/keyboard/mtk-pmic-keys.c b/drivers/input/keyboard/mtk-pmic-keys.c
index 3d4ffa25e3df..4364c3401ff1 100644
--- a/drivers/input/keyboard/mtk-pmic-keys.c
+++ b/drivers/input/keyboard/mtk-pmic-keys.c
@@ -10,6 +10,7 @@
#include <linux/kernel.h>
#include <linux/mfd/mt6323/registers.h>
#include <linux/mfd/mt6331/registers.h>
+#include <linux/mfd/mt6357/registers.h>
#include <linux/mfd/mt6358/registers.h>
#include <linux/mfd/mt6397/core.h>
#include <linux/mfd/mt6397/registers.h>
@@ -90,6 +91,19 @@ static const struct mtk_pmic_regs mt6331_regs = {
.rst_lprst_mask = MTK_PMIC_MT6331_RST_DU_MASK,
};
+static const struct mtk_pmic_regs mt6357_regs = {
+ .keys_regs[MTK_PMIC_PWRKEY_INDEX] =
+ MTK_PMIC_KEYS_REGS(MT6357_TOPSTATUS,
+ 0x2, MT6357_PSC_TOP_INT_CON0, 0x5,
+ MTK_PMIC_PWRKEY_RST),
+ .keys_regs[MTK_PMIC_HOMEKEY_INDEX] =
+ MTK_PMIC_KEYS_REGS(MT6357_TOPSTATUS,
+ 0x8, MT6357_PSC_TOP_INT_CON0, 0xa,
+ MTK_PMIC_HOMEKEY_INDEX),
+ .pmic_rst_reg = MT6357_TOP_RST_MISC,
+ .rst_lprst_mask = MTK_PMIC_RST_DU_MASK,
+};
+
static const struct mtk_pmic_regs mt6358_regs = {
.keys_regs[MTK_PMIC_PWRKEY_INDEX] =
MTK_PMIC_KEYS_REGS(MT6358_TOPSTATUS,
@@ -277,6 +291,9 @@ static const struct of_device_id of_mtk_pmic_keys_match_tbl[] = {
.compatible = "mediatek,mt6331-keys",
.data = &mt6331_regs,
}, {
+ .compatible = "mediatek,mt6357-keys",
+ .data = &mt6357_regs,
+ }, {
.compatible = "mediatek,mt6358-keys",
.data = &mt6358_regs,
}, {
diff --git a/drivers/input/keyboard/pxa930_rotary.c b/drivers/input/keyboard/pxa930_rotary.c
deleted file mode 100644
index 2fe9dcfe0a6f..000000000000
--- a/drivers/input/keyboard/pxa930_rotary.c
+++ /dev/null
@@ -1,195 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Driver for the enhanced rotary controller on pxa930 and pxa935
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/input.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-#include <linux/slab.h>
-
-#include <linux/platform_data/keyboard-pxa930_rotary.h>
-
-#define SBCR (0x04)
-#define ERCR (0x0c)
-
-#define SBCR_ERSB (1 << 5)
-
-struct pxa930_rotary {
- struct input_dev *input_dev;
- void __iomem *mmio_base;
- int last_ercr;
-
- struct pxa930_rotary_platform_data *pdata;
-};
-
-static void clear_sbcr(struct pxa930_rotary *r)
-{
- uint32_t sbcr = __raw_readl(r->mmio_base + SBCR);
-
- __raw_writel(sbcr | SBCR_ERSB, r->mmio_base + SBCR);
- __raw_writel(sbcr & ~SBCR_ERSB, r->mmio_base + SBCR);
-}
-
-static irqreturn_t rotary_irq(int irq, void *dev_id)
-{
- struct pxa930_rotary *r = dev_id;
- struct pxa930_rotary_platform_data *pdata = r->pdata;
- int ercr, delta, key;
-
- ercr = __raw_readl(r->mmio_base + ERCR) & 0xf;
- clear_sbcr(r);
-
- delta = ercr - r->last_ercr;
- if (delta == 0)
- return IRQ_HANDLED;
-
- r->last_ercr = ercr;
-
- if (pdata->up_key && pdata->down_key) {
- key = (delta > 0) ? pdata->up_key : pdata->down_key;
- input_report_key(r->input_dev, key, 1);
- input_sync(r->input_dev);
- input_report_key(r->input_dev, key, 0);
- } else
- input_report_rel(r->input_dev, pdata->rel_code, delta);
-
- input_sync(r->input_dev);
-
- return IRQ_HANDLED;
-}
-
-static int pxa930_rotary_open(struct input_dev *dev)
-{
- struct pxa930_rotary *r = input_get_drvdata(dev);
-
- clear_sbcr(r);
-
- return 0;
-}
-
-static void pxa930_rotary_close(struct input_dev *dev)
-{
- struct pxa930_rotary *r = input_get_drvdata(dev);
-
- clear_sbcr(r);
-}
-
-static int pxa930_rotary_probe(struct platform_device *pdev)
-{
- struct pxa930_rotary_platform_data *pdata =
- dev_get_platdata(&pdev->dev);
- struct pxa930_rotary *r;
- struct input_dev *input_dev;
- struct resource *res;
- int irq;
- int err;
-
- irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- return -ENXIO;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "no I/O memory defined\n");
- return -ENXIO;
- }
-
- if (!pdata) {
- dev_err(&pdev->dev, "no platform data defined\n");
- return -EINVAL;
- }
-
- r = kzalloc(sizeof(struct pxa930_rotary), GFP_KERNEL);
- if (!r)
- return -ENOMEM;
-
- r->mmio_base = ioremap(res->start, resource_size(res));
- if (r->mmio_base == NULL) {
- dev_err(&pdev->dev, "failed to remap IO memory\n");
- err = -ENXIO;
- goto failed_free;
- }
-
- r->pdata = pdata;
- platform_set_drvdata(pdev, r);
-
- /* allocate and register the input device */
- input_dev = input_allocate_device();
- if (!input_dev) {
- dev_err(&pdev->dev, "failed to allocate input device\n");
- err = -ENOMEM;
- goto failed_free_io;
- }
-
- input_dev->name = pdev->name;
- input_dev->id.bustype = BUS_HOST;
- input_dev->open = pxa930_rotary_open;
- input_dev->close = pxa930_rotary_close;
- input_dev->dev.parent = &pdev->dev;
-
- if (pdata->up_key && pdata->down_key) {
- __set_bit(pdata->up_key, input_dev->keybit);
- __set_bit(pdata->down_key, input_dev->keybit);
- __set_bit(EV_KEY, input_dev->evbit);
- } else {
- __set_bit(pdata->rel_code, input_dev->relbit);
- __set_bit(EV_REL, input_dev->evbit);
- }
-
- r->input_dev = input_dev;
- input_set_drvdata(input_dev, r);
-
- err = request_irq(irq, rotary_irq, 0,
- "enhanced rotary", r);
- if (err) {
- dev_err(&pdev->dev, "failed to request IRQ\n");
- goto failed_free_input;
- }
-
- err = input_register_device(input_dev);
- if (err) {
- dev_err(&pdev->dev, "failed to register input device\n");
- goto failed_free_irq;
- }
-
- return 0;
-
-failed_free_irq:
- free_irq(irq, r);
-failed_free_input:
- input_free_device(input_dev);
-failed_free_io:
- iounmap(r->mmio_base);
-failed_free:
- kfree(r);
- return err;
-}
-
-static int pxa930_rotary_remove(struct platform_device *pdev)
-{
- struct pxa930_rotary *r = platform_get_drvdata(pdev);
-
- free_irq(platform_get_irq(pdev, 0), r);
- input_unregister_device(r->input_dev);
- iounmap(r->mmio_base);
- kfree(r);
-
- return 0;
-}
-
-static struct platform_driver pxa930_rotary_driver = {
- .driver = {
- .name = "pxa930-rotary",
- },
- .probe = pxa930_rotary_probe,
- .remove = pxa930_rotary_remove,
-};
-module_platform_driver(pxa930_rotary_driver);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Driver for PXA93x Enhanced Rotary Controller");
-MODULE_AUTHOR("Yao Yong <yaoyong@marvell.com>");