platform/msm8960/gpio.c - kernel/lk - Gitiles

 /* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *  * Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  *  * Redistributions in binary form must reproduce the above
  *    copyright notice, this list of conditions and the following
  *    disclaimer in the documentation and/or other materials provided
  *    with the distribution.
  *  * Neither the name of The Linux Foundation. nor the names of its
  *    contributors may be used to endorse or promote products derived
  *    from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 #include <debug.h>
 #include <reg.h>
 #include <platform/iomap.h>
 #include <platform/gpio.h>
 #include <gsbi.h>
 #include <dev/pm8921.h>
 #include <sys/types.h>
 #include <smem.h>

 void gpio_tlmm_config(uint32_t gpio, uint8_t func,
 		      uint8_t dir, uint8_t pull,
 		      uint8_t drvstr, uint32_t enable)
 {
 	unsigned int val = 0;
 	val |= pull;
 	val |= func << 2;
 	val |= drvstr << 6;
 	val |= enable << 9;
 	unsigned int *addr = (unsigned int *)GPIO_CONFIG_ADDR(gpio);
 	writel(val, addr);
 	return;
 }

 void gpio_set(uint32_t gpio, uint32_t dir)
 {
 	unsigned int *addr = (unsigned int *)GPIO_IN_OUT_ADDR(gpio);
 	writel(dir, addr);
 	return;
 }

 /* TODO: this and other code below in this file should ideally by in target dir.
  * keeping it here for this brigup.
  */

 /* Configure gpio for uart - based on gsbi id */
 void gpio_config_uart_dm(uint8_t id)
 {
 	if(board_platform_id() == MPQ8064)
 	{
 		switch (id) {

 		case GSBI_ID_5:
 			/* configure rx gpio */
 			gpio_tlmm_config(52, 2, GPIO_INPUT, GPIO_NO_PULL,
 							 GPIO_8MA, GPIO_DISABLE);
 			/* configure tx gpio */
 			gpio_tlmm_config(51, 2, GPIO_OUTPUT, GPIO_NO_PULL,
 							 GPIO_8MA, GPIO_DISABLE);
 			break;

 		default:
 			ASSERT(0);
 		}
 	}
 	else if((board_platform_id() == APQ8064) ||
 			(board_platform_id() == APQ8064AA) ||
 			(board_platform_id() == APQ8064AB))
 	{
 		switch (id) {

 		case GSBI_ID_1:
 			/* configure rx gpio */
 			gpio_tlmm_config(19, 1, GPIO_INPUT, GPIO_NO_PULL,
 							 GPIO_8MA, GPIO_DISABLE);
 			/* configure tx gpio */
 			gpio_tlmm_config(18, 1, GPIO_OUTPUT, GPIO_NO_PULL,
 							 GPIO_8MA, GPIO_DISABLE);
 			break;

 		case GSBI_ID_2:
 			/* configure rx gpio */
 			gpio_tlmm_config(22, 1, GPIO_INPUT, GPIO_NO_PULL,
 						        GPIO_8MA, GPIO_DISABLE);
 			/* configure tx gpio */
 			gpio_tlmm_config(23, 1, GPIO_OUTPUT, GPIO_NO_PULL,
 						        GPIO_8MA, GPIO_DISABLE);
 			break;


 		case GSBI_ID_7:
 			/* configure rx gpio */
 			gpio_tlmm_config(83, 1, GPIO_INPUT, GPIO_NO_PULL,
 							 GPIO_8MA, GPIO_DISABLE);
 			/* configure tx gpio */
 			gpio_tlmm_config(82, 2, GPIO_OUTPUT, GPIO_NO_PULL,
 							 GPIO_8MA, GPIO_DISABLE);
 			break;

 		default:
 			ASSERT(0);
 		}
 	}
 	else
 	{
 		switch (id) {

 		case GSBI_ID_3:
 			/* configure rx gpio */
 			gpio_tlmm_config(15, 1, GPIO_INPUT, GPIO_NO_PULL,
 							 GPIO_8MA, GPIO_DISABLE);
 			/* configure tx gpio */
 			gpio_tlmm_config(14, 1, GPIO_OUTPUT, GPIO_NO_PULL,
 							 GPIO_8MA, GPIO_DISABLE);
 			break;

 		case GSBI_ID_5:
 			/* configure rx gpio */
 			gpio_tlmm_config(23, 1, GPIO_INPUT, GPIO_NO_PULL,
 							 GPIO_8MA, GPIO_DISABLE);
 			/* configure tx gpio */
 			gpio_tlmm_config(22, 1, GPIO_OUTPUT, GPIO_NO_PULL,
 							 GPIO_8MA, GPIO_DISABLE);
 			break;

 		case GSBI_ID_8:
 			/* configure rx gpio */
 			gpio_tlmm_config(35, 1, GPIO_INPUT, GPIO_NO_PULL,
 							 GPIO_8MA, GPIO_DISABLE);
 			/* configure tx gpio */
 			gpio_tlmm_config(34, 1, GPIO_OUTPUT, GPIO_NO_PULL,
 							 GPIO_8MA, GPIO_DISABLE);
 			break;

 		default:
 			ASSERT(0);
 		}
 	}
 }

 struct pm8xxx_gpio_init {
 	uint32_t gpio;
 	struct pm8921_gpio config;
 };

 #define PM8XXX_GPIO_INIT(_gpio, _dir, _buf, _val, _pull, _vin, _out_strength, \
 			_func, _inv, _disable) \
 { \
 	.gpio	= _gpio, \
 	.config	= { \
 		.direction	= _dir, \
 		.output_buffer	= _buf, \
 		.output_value	= _val, \
 		.pull		= _pull, \
 		.vin_sel	= _vin, \
 		.out_strength	= _out_strength, \
 		.function	= _func, \
 		.inv_int_pol	= _inv, \
 		.disable_pin	= _disable, \
 	} \
 }

 #define PM8XXX_GPIO_OUTPUT(_gpio, _val) \
 	PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_OUT, 0, _val, \
 			PM_GPIO_PULL_NO, 2, \
 			PM_GPIO_STRENGTH_HIGH, \
 			PM_GPIO_FUNC_NORMAL, 1, 0)


 #define PM8XXX_GPIO_INPUT(_gpio, _pull) \
 	PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_IN, 0, 0, \
 			_pull, 2, \
 			PM_GPIO_STRENGTH_NO, \
 			PM_GPIO_FUNC_NORMAL, 1, 0)

 /* Initial pm8038 GPIO configurations */
 static struct pm8xxx_gpio_init pm8038_keypad_gpios[] = {
 	/* keys GPIOs */
 	PM8XXX_GPIO_INPUT(PM_GPIO(3), PM_GPIO_PULL_UP_30),
 	PM8XXX_GPIO_INPUT(PM_GPIO(8), PM_GPIO_PULL_UP_30),
 	PM8XXX_GPIO_INPUT(PM_GPIO(10), PM_GPIO_PULL_UP_30),
 	PM8XXX_GPIO_INPUT(PM_GPIO(11), PM_GPIO_PULL_UP_30),
 };

 static struct pm8xxx_gpio_init pm8921_keypad_gpios[] = {
 	/* keys GPIOs */
 	PM8XXX_GPIO_INPUT(PM_GPIO(1), PM_GPIO_PULL_UP_31_5),
 	PM8XXX_GPIO_INPUT(PM_GPIO(2), PM_GPIO_PULL_UP_31_5),
 	PM8XXX_GPIO_INPUT(PM_GPIO(3), PM_GPIO_PULL_UP_31_5),
 	PM8XXX_GPIO_INPUT(PM_GPIO(4), PM_GPIO_PULL_UP_31_5),
 	PM8XXX_GPIO_INPUT(PM_GPIO(5), PM_GPIO_PULL_UP_31_5),
 	PM8XXX_GPIO_OUTPUT(PM_GPIO(9), 0),
 };

 /* pm8921 GPIO configuration for APQ8064 keypad */
 static struct pm8xxx_gpio_init pm8921_keypad_gpios_apq[] = {
 	/* keys GPIOs */
 	PM8XXX_GPIO_INPUT(PM_GPIO(35), PM_GPIO_PULL_UP_31_5),
 	PM8XXX_GPIO_INPUT(PM_GPIO(38), PM_GPIO_PULL_UP_31_5),
 	PM8XXX_GPIO_OUTPUT(PM_GPIO(9), 0),
 };

 /* pm8917 GPIO configuration for APQ8064 keypad */
 static struct pm8xxx_gpio_init pm8917_keypad_gpios_apq[] = {
 	/* keys GPIOs */
 	PM8XXX_GPIO_INPUT(PM_GPIO(35), PM_GPIO_PULL_UP_31_5),
 	PM8XXX_GPIO_INPUT(PM_GPIO(30), PM_GPIO_PULL_UP_31_5),
 	PM8XXX_GPIO_OUTPUT(PM_GPIO(9), 0),
 };

 /* pm8917 GPIO configuration for MSM8930 keypad */
 static struct pm8xxx_gpio_init pm8917_keypad_gpios[] = {
 	/* keys GPIOs */
 	PM8XXX_GPIO_INPUT(PM_GPIO(27), PM_GPIO_PULL_UP_30),
 	PM8XXX_GPIO_INPUT(PM_GPIO(28), PM_GPIO_PULL_UP_30),
 	PM8XXX_GPIO_INPUT(PM_GPIO(36), PM_GPIO_PULL_UP_30),
 	PM8XXX_GPIO_INPUT(PM_GPIO(37), PM_GPIO_PULL_UP_30),
 };

 void msm8960_keypad_gpio_init()
 {
 	int i = 0;
 	int num = 0;

 	num = ARRAY_SIZE(pm8921_keypad_gpios);

 	for(i=0; i < num; i++)
 	{
 		pm8921_gpio_config(pm8921_keypad_gpios[i].gpio,
 							&(pm8921_keypad_gpios[i].config));
 	}
 }

 void msm8930_keypad_gpio_init()
 {
 	int i = 0;
 	int num = 0;
 	struct pm8xxx_gpio_init *gpio_array;

 	if (platform_pmic_type(PMIC_IS_PM8917))
 	{
 		num = ARRAY_SIZE(pm8917_keypad_gpios);
 		gpio_array = pm8917_keypad_gpios;
 	}
 	else
 	{
 		num = ARRAY_SIZE(pm8038_keypad_gpios);
 		gpio_array = pm8038_keypad_gpios;
 	}

 	for(i=0; i < num; i++)
 	{
 		pm8921_gpio_config(gpio_array[i].gpio,
 							&(gpio_array[i].config));
 	}
 }

 void apq8064_keypad_gpio_init()
 {
 	int i = 0;
 	int num = 0;
 	struct pm8xxx_gpio_init *gpio_array;

 	if (platform_pmic_type(PMIC_IS_PM8917))
 	{
 		num = ARRAY_SIZE(pm8917_keypad_gpios_apq);
 		gpio_array = pm8917_keypad_gpios_apq;
 	}
 	else
 	{
 		num = ARRAY_SIZE(pm8921_keypad_gpios_apq);
 		gpio_array = pm8921_keypad_gpios_apq;
 	}

 	for(i = 0; i < num; i++)
 	{
 		pm8921_gpio_config(gpio_array[i].gpio,
 							&(gpio_array[i].config));
 	}
 }

 #define PM8921_GPIO_OUTPUT_FUNC(_gpio, _val, _func) \
 	PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_OUT, 0, _val, \
 			PM_GPIO_PULL_NO, 2, \
 			PM_GPIO_STRENGTH_HIGH, \
 			_func, 0, 0)


 #define PM8921_GPIO_OUTPUT_BUFCONF(_gpio, _val, _strength, _bufconf) \
 	PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_OUT,\
 			PM_GPIO_OUT_BUF_##_bufconf, _val, \
 			PM_GPIO_PULL_NO, 2, \
 			PM_GPIO_STRENGTH_##_strength, \
 			PM_GPIO_FUNC_NORMAL, 0, 0)


 static struct pm8xxx_gpio_init pm8921_display_gpios_apq[] = {
 	/* Display GPIOs */
 	/* Bl: ON, PWM mode */
 	PM8921_GPIO_OUTPUT_FUNC(PM_GPIO(26), 1, PM_GPIO_FUNC_2),
 	/* LCD1_PWR_EN_N */
 	PM8921_GPIO_OUTPUT_BUFCONF(PM_GPIO(36), 0, LOW, OPEN_DRAIN),
 	/* DISP_RESET_N */
 	PM8921_GPIO_OUTPUT_BUFCONF(PM_GPIO(25), 1, LOW, CMOS),
 };

 void apq8064_display_gpio_init()
 {
 		int i = 0;
 		int num = 0;

 		num = ARRAY_SIZE(pm8921_display_gpios_apq);

 		for (i = 0; i < num; i++) {
 			pm8921_gpio_config(pm8921_display_gpios_apq[i].gpio,
 				&(pm8921_display_gpios_apq[i].config));
 		}
 }
	/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions are
	* met:
	* * Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* * Redistributions in binary form must reproduce the above
	* copyright notice, this list of conditions and the following
	* disclaimer in the documentation and/or other materials provided
	* with the distribution.
	* * Neither the name of The Linux Foundation. nor the names of its
	* contributors may be used to endorse or promote products derived
	* from this software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
	* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
	* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
	* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#include <debug.h>
	#include <reg.h>
	#include <platform/iomap.h>
	#include <platform/gpio.h>
	#include <gsbi.h>
	#include <dev/pm8921.h>
	#include <sys/types.h>
	#include <smem.h>

	void gpio_tlmm_config(uint32_t gpio, uint8_t func,
	uint8_t dir, uint8_t pull,
	uint8_t drvstr, uint32_t enable)
	{
	unsigned int val = 0;
	val \|= pull;
	val \|= func << 2;
	val \|= drvstr << 6;
	val \|= enable << 9;
	unsigned int addr = (unsigned int )GPIO_CONFIG_ADDR(gpio);
	writel(val, addr);
	return;
	}

	void gpio_set(uint32_t gpio, uint32_t dir)
	{
	unsigned int addr = (unsigned int )GPIO_IN_OUT_ADDR(gpio);
	writel(dir, addr);
	return;
	}

	/* TODO: this and other code below in this file should ideally by in target dir.
	* keeping it here for this brigup.
	*/

	/* Configure gpio for uart - based on gsbi id */
	void gpio_config_uart_dm(uint8_t id)
	{
	if(board_platform_id() == MPQ8064)
	{
	switch (id) {

	case GSBI_ID_5:
	/* configure rx gpio */
	gpio_tlmm_config(52, 2, GPIO_INPUT, GPIO_NO_PULL,
	GPIO_8MA, GPIO_DISABLE);
	/* configure tx gpio */
	gpio_tlmm_config(51, 2, GPIO_OUTPUT, GPIO_NO_PULL,
	GPIO_8MA, GPIO_DISABLE);
	break;

	default:
	ASSERT(0);
	}
	}
	else if((board_platform_id() == APQ8064) \|\|
	(board_platform_id() == APQ8064AA) \|\|
	(board_platform_id() == APQ8064AB))
	{
	switch (id) {

	case GSBI_ID_1:
	/* configure rx gpio */
	gpio_tlmm_config(19, 1, GPIO_INPUT, GPIO_NO_PULL,
	GPIO_8MA, GPIO_DISABLE);
	/* configure tx gpio */
	gpio_tlmm_config(18, 1, GPIO_OUTPUT, GPIO_NO_PULL,
	GPIO_8MA, GPIO_DISABLE);
	break;

	case GSBI_ID_2:
	/* configure rx gpio */
	gpio_tlmm_config(22, 1, GPIO_INPUT, GPIO_NO_PULL,
	GPIO_8MA, GPIO_DISABLE);
	/* configure tx gpio */
	gpio_tlmm_config(23, 1, GPIO_OUTPUT, GPIO_NO_PULL,
	GPIO_8MA, GPIO_DISABLE);
	break;


	case GSBI_ID_7:
	/* configure rx gpio */
	gpio_tlmm_config(83, 1, GPIO_INPUT, GPIO_NO_PULL,
	GPIO_8MA, GPIO_DISABLE);
	/* configure tx gpio */
	gpio_tlmm_config(82, 2, GPIO_OUTPUT, GPIO_NO_PULL,
	GPIO_8MA, GPIO_DISABLE);
	break;

	default:
	ASSERT(0);
	}
	}
	else
	{
	switch (id) {

	case GSBI_ID_3:
	/* configure rx gpio */
	gpio_tlmm_config(15, 1, GPIO_INPUT, GPIO_NO_PULL,
	GPIO_8MA, GPIO_DISABLE);
	/* configure tx gpio */
	gpio_tlmm_config(14, 1, GPIO_OUTPUT, GPIO_NO_PULL,
	GPIO_8MA, GPIO_DISABLE);
	break;

	case GSBI_ID_5:
	/* configure rx gpio */
	gpio_tlmm_config(23, 1, GPIO_INPUT, GPIO_NO_PULL,
	GPIO_8MA, GPIO_DISABLE);
	/* configure tx gpio */
	gpio_tlmm_config(22, 1, GPIO_OUTPUT, GPIO_NO_PULL,
	GPIO_8MA, GPIO_DISABLE);
	break;

	case GSBI_ID_8:
	/* configure rx gpio */
	gpio_tlmm_config(35, 1, GPIO_INPUT, GPIO_NO_PULL,
	GPIO_8MA, GPIO_DISABLE);
	/* configure tx gpio */
	gpio_tlmm_config(34, 1, GPIO_OUTPUT, GPIO_NO_PULL,
	GPIO_8MA, GPIO_DISABLE);
	break;

	default:
	ASSERT(0);
	}
	}
	}

	struct pm8xxx_gpio_init {
	uint32_t gpio;
	struct pm8921_gpio config;
	};

	#define PM8XXX_GPIO_INIT(_gpio, _dir, _buf, _val, _pull, _vin, _out_strength, \
	_func, _inv, _disable) \
	{ \
	.gpio = _gpio, \
	.config = { \
	.direction = _dir, \
	.output_buffer = _buf, \
	.output_value = _val, \
	.pull = _pull, \
	.vin_sel = _vin, \
	.out_strength = _out_strength, \
	.function = _func, \
	.inv_int_pol = _inv, \
	.disable_pin = _disable, \
	} \
	}

	#define PM8XXX_GPIO_OUTPUT(_gpio, _val) \
	PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_OUT, 0, _val, \
	PM_GPIO_PULL_NO, 2, \
	PM_GPIO_STRENGTH_HIGH, \
	PM_GPIO_FUNC_NORMAL, 1, 0)


	#define PM8XXX_GPIO_INPUT(_gpio, _pull) \
	PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_IN, 0, 0, \
	_pull, 2, \
	PM_GPIO_STRENGTH_NO, \
	PM_GPIO_FUNC_NORMAL, 1, 0)

	/* Initial pm8038 GPIO configurations */
	static struct pm8xxx_gpio_init pm8038_keypad_gpios[] = {
	/* keys GPIOs */
	PM8XXX_GPIO_INPUT(PM_GPIO(3), PM_GPIO_PULL_UP_30),
	PM8XXX_GPIO_INPUT(PM_GPIO(8), PM_GPIO_PULL_UP_30),
	PM8XXX_GPIO_INPUT(PM_GPIO(10), PM_GPIO_PULL_UP_30),
	PM8XXX_GPIO_INPUT(PM_GPIO(11), PM_GPIO_PULL_UP_30),
	};

	static struct pm8xxx_gpio_init pm8921_keypad_gpios[] = {
	/* keys GPIOs */
	PM8XXX_GPIO_INPUT(PM_GPIO(1), PM_GPIO_PULL_UP_31_5),
	PM8XXX_GPIO_INPUT(PM_GPIO(2), PM_GPIO_PULL_UP_31_5),
	PM8XXX_GPIO_INPUT(PM_GPIO(3), PM_GPIO_PULL_UP_31_5),
	PM8XXX_GPIO_INPUT(PM_GPIO(4), PM_GPIO_PULL_UP_31_5),
	PM8XXX_GPIO_INPUT(PM_GPIO(5), PM_GPIO_PULL_UP_31_5),
	PM8XXX_GPIO_OUTPUT(PM_GPIO(9), 0),
	};

	/* pm8921 GPIO configuration for APQ8064 keypad */
	static struct pm8xxx_gpio_init pm8921_keypad_gpios_apq[] = {
	/* keys GPIOs */
	PM8XXX_GPIO_INPUT(PM_GPIO(35), PM_GPIO_PULL_UP_31_5),
	PM8XXX_GPIO_INPUT(PM_GPIO(38), PM_GPIO_PULL_UP_31_5),
	PM8XXX_GPIO_OUTPUT(PM_GPIO(9), 0),
	};

	/* pm8917 GPIO configuration for APQ8064 keypad */
	static struct pm8xxx_gpio_init pm8917_keypad_gpios_apq[] = {
	/* keys GPIOs */
	PM8XXX_GPIO_INPUT(PM_GPIO(35), PM_GPIO_PULL_UP_31_5),
	PM8XXX_GPIO_INPUT(PM_GPIO(30), PM_GPIO_PULL_UP_31_5),
	PM8XXX_GPIO_OUTPUT(PM_GPIO(9), 0),
	};

	/* pm8917 GPIO configuration for MSM8930 keypad */
	static struct pm8xxx_gpio_init pm8917_keypad_gpios[] = {
	/* keys GPIOs */
	PM8XXX_GPIO_INPUT(PM_GPIO(27), PM_GPIO_PULL_UP_30),
	PM8XXX_GPIO_INPUT(PM_GPIO(28), PM_GPIO_PULL_UP_30),
	PM8XXX_GPIO_INPUT(PM_GPIO(36), PM_GPIO_PULL_UP_30),
	PM8XXX_GPIO_INPUT(PM_GPIO(37), PM_GPIO_PULL_UP_30),
	};

	void msm8960_keypad_gpio_init()
	{
	int i = 0;
	int num = 0;

	num = ARRAY_SIZE(pm8921_keypad_gpios);

	for(i=0; i < num; i++)
	{
	pm8921_gpio_config(pm8921_keypad_gpios[i].gpio,
	&(pm8921_keypad_gpios[i].config));
	}
	}

	void msm8930_keypad_gpio_init()
	{
	int i = 0;
	int num = 0;
	struct pm8xxx_gpio_init *gpio_array;

	if (platform_pmic_type(PMIC_IS_PM8917))
	{
	num = ARRAY_SIZE(pm8917_keypad_gpios);
	gpio_array = pm8917_keypad_gpios;
	}
	else
	{
	num = ARRAY_SIZE(pm8038_keypad_gpios);
	gpio_array = pm8038_keypad_gpios;
	}

	for(i=0; i < num; i++)
	{
	pm8921_gpio_config(gpio_array[i].gpio,
	&(gpio_array[i].config));
	}
	}

	void apq8064_keypad_gpio_init()
	{
	int i = 0;
	int num = 0;
	struct pm8xxx_gpio_init *gpio_array;

	if (platform_pmic_type(PMIC_IS_PM8917))
	{
	num = ARRAY_SIZE(pm8917_keypad_gpios_apq);
	gpio_array = pm8917_keypad_gpios_apq;
	}
	else
	{
	num = ARRAY_SIZE(pm8921_keypad_gpios_apq);
	gpio_array = pm8921_keypad_gpios_apq;
	}

	for(i = 0; i < num; i++)
	{
	pm8921_gpio_config(gpio_array[i].gpio,
	&(gpio_array[i].config));
	}
	}

	#define PM8921_GPIO_OUTPUT_FUNC(_gpio, _val, _func) \
	PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_OUT, 0, _val, \
	PM_GPIO_PULL_NO, 2, \
	PM_GPIO_STRENGTH_HIGH, \
	_func, 0, 0)


	#define PM8921_GPIO_OUTPUT_BUFCONF(_gpio, _val, _strength, _bufconf) \
	PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_OUT,\
	PM_GPIO_OUT_BUF_##_bufconf, _val, \
	PM_GPIO_PULL_NO, 2, \
	PM_GPIO_STRENGTH_##_strength, \
	PM_GPIO_FUNC_NORMAL, 0, 0)


	static struct pm8xxx_gpio_init pm8921_display_gpios_apq[] = {
	/* Display GPIOs */
	/* Bl: ON, PWM mode */
	PM8921_GPIO_OUTPUT_FUNC(PM_GPIO(26), 1, PM_GPIO_FUNC_2),
	/* LCD1_PWR_EN_N */
	PM8921_GPIO_OUTPUT_BUFCONF(PM_GPIO(36), 0, LOW, OPEN_DRAIN),
	/* DISP_RESET_N */
	PM8921_GPIO_OUTPUT_BUFCONF(PM_GPIO(25), 1, LOW, CMOS),
	};

	void apq8064_display_gpio_init()
	{
	int i = 0;
	int num = 0;

	num = ARRAY_SIZE(pm8921_display_gpios_apq);

	for (i = 0; i < num; i++) {
	pm8921_gpio_config(pm8921_display_gpios_apq[i].gpio,
	&(pm8921_display_gpios_apq[i].config));
	}
	}