linux-imx

/*

 * Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

 * only version 2 as published by the Free Software Foundation.

 *

 * 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/gpio/driver.h>

#include <linux/module.h>

#include <linux/of.h>

#include <linux/of_irq.h>

#include <linux/pinctrl/pinconf-generic.h>

#include <linux/pinctrl/pinconf.h>

#include <linux/pinctrl/pinmux.h>

#include <linux/platform_device.h>

#include <linux/regmap.h>

#include <linux/slab.h>

#include <linux/types.h>

​

#include <dt-bindings/pinctrl/qcom,pmic-mpp.h>

​

#include "../core.h"

#include "../pinctrl-utils.h"

​

#define PMIC_MPP_ADDRESS_RANGE          0x100

​

/*

 * Pull Up Values - it indicates whether a pull-up should be

 * applied for bidirectional mode only. The hardware ignores the

 * configuration when operating in other modes.

 */

#define PMIC_MPP_PULL_UP_0P6KOHM        0

#define PMIC_MPP_PULL_UP_10KOHM         1

#define PMIC_MPP_PULL_UP_30KOHM         2

#define PMIC_MPP_PULL_UP_OPEN           3

​

/* type registers base address bases */

#define PMIC_MPP_REG_TYPE           0x4

#define PMIC_MPP_REG_SUBTYPE            0x5

​

/* mpp peripheral type and subtype values */

#define PMIC_MPP_TYPE               0x11

#define PMIC_MPP_SUBTYPE_4CH_NO_ANA_OUT     0x3

#define PMIC_MPP_SUBTYPE_ULT_4CH_NO_ANA_OUT 0x4

#define PMIC_MPP_SUBTYPE_4CH_NO_SINK        0x5

#define PMIC_MPP_SUBTYPE_ULT_4CH_NO_SINK    0x6

#define PMIC_MPP_SUBTYPE_4CH_FULL_FUNC      0x7

#define PMIC_MPP_SUBTYPE_8CH_FULL_FUNC      0xf

​

#define PMIC_MPP_REG_RT_STS         0x10

#define PMIC_MPP_REG_RT_STS_VAL_MASK        0x1

​

/* control register base address bases */

#define PMIC_MPP_REG_MODE_CTL           0x40

#define PMIC_MPP_REG_DIG_VIN_CTL        0x41

#define PMIC_MPP_REG_DIG_PULL_CTL       0x42

#define PMIC_MPP_REG_DIG_IN_CTL         0x43

#define PMIC_MPP_REG_EN_CTL         0x46

#define PMIC_MPP_REG_AOUT_CTL           0x48

#define PMIC_MPP_REG_AIN_CTL            0x4a

#define PMIC_MPP_REG_SINK_CTL           0x4c

​

/* PMIC_MPP_REG_MODE_CTL */

#define PMIC_MPP_REG_MODE_VALUE_MASK        0x1

#define PMIC_MPP_REG_MODE_FUNCTION_SHIFT    1

#define PMIC_MPP_REG_MODE_FUNCTION_MASK     0x7

#define PMIC_MPP_REG_MODE_DIR_SHIFT     4

#define PMIC_MPP_REG_MODE_DIR_MASK      0x7

​

/* PMIC_MPP_REG_DIG_VIN_CTL */

#define PMIC_MPP_REG_VIN_SHIFT          0

#define PMIC_MPP_REG_VIN_MASK           0x7

​

/* PMIC_MPP_REG_DIG_PULL_CTL */

#define PMIC_MPP_REG_PULL_SHIFT         0

#define PMIC_MPP_REG_PULL_MASK          0x7

​

/* PMIC_MPP_REG_EN_CTL */

#define PMIC_MPP_REG_MASTER_EN_SHIFT        7

​

/* PMIC_MPP_REG_AIN_CTL */

#define PMIC_MPP_REG_AIN_ROUTE_SHIFT        0

#define PMIC_MPP_REG_AIN_ROUTE_MASK     0x7

​

#define PMIC_MPP_MODE_DIGITAL_INPUT     0

#define PMIC_MPP_MODE_DIGITAL_OUTPUT        1