|
|
|
|
@@ -1,9 +1,9 @@
|
|
|
|
|
/*
|
|
|
|
|
* Regulator driver for syb827 DCDC chip for rk32xx
|
|
|
|
|
* Regulator driver for syr82x DCDC chip for rk32xx
|
|
|
|
|
*
|
|
|
|
|
* Copyright (C) 2010, 2011 ROCKCHIP, Inc.
|
|
|
|
|
|
|
|
|
|
* Based on syb827.c that is work by zhangqing<zhangqing@rock-chips.com>
|
|
|
|
|
* Based on syr82x.c that is work by zhangqing<zhangqing@rock-chips.com>
|
|
|
|
|
*
|
|
|
|
|
* This program is free software; you can redistribute it and/or modify
|
|
|
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
|
|
|
@@ -44,10 +44,10 @@
|
|
|
|
|
#endif
|
|
|
|
|
#define PM_CONTROL
|
|
|
|
|
|
|
|
|
|
#define SYB827_SPEED 200*1000
|
|
|
|
|
#define syb827_NUM_REGULATORS 1
|
|
|
|
|
#define SYR82X_SPEED 200*1000
|
|
|
|
|
#define syr82x_NUM_REGULATORS 1
|
|
|
|
|
|
|
|
|
|
struct syb827 {
|
|
|
|
|
struct syr82x {
|
|
|
|
|
struct device *dev;
|
|
|
|
|
struct mutex io_lock;
|
|
|
|
|
struct i2c_client *i2c;
|
|
|
|
|
@@ -61,48 +61,48 @@ struct syb827 {
|
|
|
|
|
struct regmap *regmap;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct syb827_regulator {
|
|
|
|
|
struct syr82x_regulator {
|
|
|
|
|
struct device *dev;
|
|
|
|
|
struct regulator_desc *desc;
|
|
|
|
|
struct regulator_dev *rdev;
|
|
|
|
|
};
|
|
|
|
|
struct syb827_board {
|
|
|
|
|
struct syr82x_board {
|
|
|
|
|
int irq;
|
|
|
|
|
int irq_base;
|
|
|
|
|
struct regulator_init_data *syb827_init_data[syb827_NUM_REGULATORS];
|
|
|
|
|
struct device_node *of_node[syb827_NUM_REGULATORS];
|
|
|
|
|
struct regulator_init_data *syr82x_init_data[syr82x_NUM_REGULATORS];
|
|
|
|
|
struct device_node *of_node[syr82x_NUM_REGULATORS];
|
|
|
|
|
int sleep_gpio; /* */
|
|
|
|
|
unsigned int dcdc_slp_voltage[3]; /* buckx_voltage in uV */
|
|
|
|
|
bool sleep;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct syb827_regulator_subdev {
|
|
|
|
|
struct syr82x_regulator_subdev {
|
|
|
|
|
int id;
|
|
|
|
|
struct regulator_init_data *initdata;
|
|
|
|
|
struct device_node *reg_node;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct syb827_platform_data {
|
|
|
|
|
struct syr82x_platform_data {
|
|
|
|
|
int ono;
|
|
|
|
|
int num_regulators;
|
|
|
|
|
struct syb827_regulator_subdev *regulators;
|
|
|
|
|
struct syr82x_regulator_subdev *regulators;
|
|
|
|
|
|
|
|
|
|
int sleep_gpio; /* */
|
|
|
|
|
unsigned int dcdc_slp_voltage[3]; /* buckx_voltage in uV */
|
|
|
|
|
bool sleep;
|
|
|
|
|
};
|
|
|
|
|
struct syb827 *g_syb827;
|
|
|
|
|
struct syr82x *g_syr82x;
|
|
|
|
|
|
|
|
|
|
static u8 syb827_reg_read(struct syb827 *syb827, u8 reg);
|
|
|
|
|
static int syb827_set_bits(struct syb827 *syb827, u8 reg, u16 mask, u16 val);
|
|
|
|
|
static u8 syr82x_reg_read(struct syr82x *syr82x, u8 reg);
|
|
|
|
|
static int syr82x_set_bits(struct syr82x *syr82x, u8 reg, u16 mask, u16 val);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#define SYB827_BUCK1_SET_VOL_BASE 0x00
|
|
|
|
|
#define SYB827_BUCK1_SLP_VOL_BASE 0x01
|
|
|
|
|
#define SYB827_CONTR_REG1 0x02
|
|
|
|
|
#define SYB827_ID1_REG 0x03
|
|
|
|
|
#define SYB827_ID2_REG 0x04
|
|
|
|
|
#define SYB827_CONTR_REG2 0x05
|
|
|
|
|
#define SYR82X_BUCK1_SET_VOL_BASE 0x00
|
|
|
|
|
#define SYR82X_BUCK1_SLP_VOL_BASE 0x01
|
|
|
|
|
#define SYR82X_CONTR_REG1 0x02
|
|
|
|
|
#define SYR82X_ID1_REG 0x03
|
|
|
|
|
#define SYR82X_ID2_REG 0x04
|
|
|
|
|
#define SYR82X_CONTR_REG2 0x05
|
|
|
|
|
|
|
|
|
|
#define BUCK_VOL_MASK 0x3f
|
|
|
|
|
#define VOL_MIN_IDX 0x00
|
|
|
|
|
@@ -119,18 +119,18 @@ const static int buck_voltage_map[] = {
|
|
|
|
|
1412500, 1425000, 1437500,1450000, 1462500,1475000,1487500,1500000,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static int syb827_dcdc_list_voltage(struct regulator_dev *dev, unsigned index)
|
|
|
|
|
static int syr82x_dcdc_list_voltage(struct regulator_dev *dev, unsigned index)
|
|
|
|
|
{
|
|
|
|
|
if (index >= ARRAY_SIZE(buck_voltage_map))
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
return buck_voltage_map[index];
|
|
|
|
|
}
|
|
|
|
|
static int syb827_dcdc_is_enabled(struct regulator_dev *dev)
|
|
|
|
|
static int syr82x_dcdc_is_enabled(struct regulator_dev *dev)
|
|
|
|
|
{
|
|
|
|
|
struct syb827 *syb827 = rdev_get_drvdata(dev);
|
|
|
|
|
struct syr82x *syr82x = rdev_get_drvdata(dev);
|
|
|
|
|
u16 val;
|
|
|
|
|
u16 mask=0x80;
|
|
|
|
|
val = syb827_reg_read(syb827, SYB827_BUCK1_SET_VOL_BASE);
|
|
|
|
|
val = syr82x_reg_read(syr82x, SYR82X_BUCK1_SET_VOL_BASE);
|
|
|
|
|
if (val < 0)
|
|
|
|
|
return val;
|
|
|
|
|
val=val&~0x7f;
|
|
|
|
|
@@ -139,34 +139,34 @@ static int syb827_dcdc_is_enabled(struct regulator_dev *dev)
|
|
|
|
|
else
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
static int syb827_dcdc_enable(struct regulator_dev *dev)
|
|
|
|
|
static int syr82x_dcdc_enable(struct regulator_dev *dev)
|
|
|
|
|
{
|
|
|
|
|
struct syb827 *syb827 = rdev_get_drvdata(dev);
|
|
|
|
|
struct syr82x *syr82x = rdev_get_drvdata(dev);
|
|
|
|
|
u16 mask=0x80;
|
|
|
|
|
|
|
|
|
|
return syb827_set_bits(syb827, SYB827_BUCK1_SET_VOL_BASE, mask, 0x80);
|
|
|
|
|
return syr82x_set_bits(syr82x, SYR82X_BUCK1_SET_VOL_BASE, mask, 0x80);
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
static int syb827_dcdc_disable(struct regulator_dev *dev)
|
|
|
|
|
static int syr82x_dcdc_disable(struct regulator_dev *dev)
|
|
|
|
|
{
|
|
|
|
|
struct syb827 *syb827 = rdev_get_drvdata(dev);
|
|
|
|
|
struct syr82x *syr82x = rdev_get_drvdata(dev);
|
|
|
|
|
u16 mask=0x80;
|
|
|
|
|
return syb827_set_bits(syb827, SYB827_BUCK1_SET_VOL_BASE, mask, 0);
|
|
|
|
|
return syr82x_set_bits(syr82x, SYR82X_BUCK1_SET_VOL_BASE, mask, 0);
|
|
|
|
|
}
|
|
|
|
|
static int syb827_dcdc_get_voltage(struct regulator_dev *dev)
|
|
|
|
|
static int syr82x_dcdc_get_voltage(struct regulator_dev *dev)
|
|
|
|
|
{
|
|
|
|
|
struct syb827 *syb827 = rdev_get_drvdata(dev);
|
|
|
|
|
struct syr82x *syr82x = rdev_get_drvdata(dev);
|
|
|
|
|
u16 reg = 0;
|
|
|
|
|
int val;
|
|
|
|
|
reg = syb827_reg_read(syb827,SYB827_BUCK1_SET_VOL_BASE);
|
|
|
|
|
reg = syr82x_reg_read(syr82x,SYR82X_BUCK1_SET_VOL_BASE);
|
|
|
|
|
reg &= BUCK_VOL_MASK;
|
|
|
|
|
val = buck_voltage_map[reg];
|
|
|
|
|
return val;
|
|
|
|
|
}
|
|
|
|
|
static int syb827_dcdc_set_voltage(struct regulator_dev *dev,
|
|
|
|
|
static int syr82x_dcdc_set_voltage(struct regulator_dev *dev,
|
|
|
|
|
int min_uV, int max_uV,unsigned *selector)
|
|
|
|
|
{
|
|
|
|
|
struct syb827 *syb827 = rdev_get_drvdata(dev);
|
|
|
|
|
struct syr82x *syr82x = rdev_get_drvdata(dev);
|
|
|
|
|
const int *vol_map = buck_voltage_map;
|
|
|
|
|
u16 val;
|
|
|
|
|
int ret = 0;
|
|
|
|
|
@@ -183,17 +183,17 @@ static int syb827_dcdc_set_voltage(struct regulator_dev *dev,
|
|
|
|
|
if (vol_map[val] > max_uV)
|
|
|
|
|
printk("WARNING:this voltage is not support!voltage set is %d mv\n",vol_map[val]);
|
|
|
|
|
|
|
|
|
|
ret = syb827_set_bits(syb827, SYB827_BUCK1_SET_VOL_BASE ,BUCK_VOL_MASK, val);
|
|
|
|
|
ret = syr82x_set_bits(syr82x, SYR82X_BUCK1_SET_VOL_BASE ,BUCK_VOL_MASK, val);
|
|
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static unsigned int syb827_dcdc_get_mode(struct regulator_dev *dev)
|
|
|
|
|
static unsigned int syr82x_dcdc_get_mode(struct regulator_dev *dev)
|
|
|
|
|
{
|
|
|
|
|
struct syb827 *syb827 = rdev_get_drvdata(dev);
|
|
|
|
|
struct syr82x *syr82x = rdev_get_drvdata(dev);
|
|
|
|
|
u16 mask = 0x40;
|
|
|
|
|
u16 val;
|
|
|
|
|
val = syb827_reg_read(syb827, SYB827_BUCK1_SET_VOL_BASE);
|
|
|
|
|
val = syr82x_reg_read(syr82x, SYR82X_BUCK1_SET_VOL_BASE);
|
|
|
|
|
if (val < 0) {
|
|
|
|
|
return val;
|
|
|
|
|
}
|
|
|
|
|
@@ -204,55 +204,55 @@ static unsigned int syb827_dcdc_get_mode(struct regulator_dev *dev)
|
|
|
|
|
return REGULATOR_MODE_NORMAL;
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
static int syb827_dcdc_set_mode(struct regulator_dev *dev, unsigned int mode)
|
|
|
|
|
static int syr82x_dcdc_set_mode(struct regulator_dev *dev, unsigned int mode)
|
|
|
|
|
{
|
|
|
|
|
struct syb827 *syb827 = rdev_get_drvdata(dev);
|
|
|
|
|
struct syr82x *syr82x = rdev_get_drvdata(dev);
|
|
|
|
|
u16 mask = 0x40;
|
|
|
|
|
|
|
|
|
|
switch(mode)
|
|
|
|
|
{
|
|
|
|
|
case REGULATOR_MODE_FAST:
|
|
|
|
|
return syb827_set_bits(syb827,SYB827_BUCK1_SET_VOL_BASE, mask, mask);
|
|
|
|
|
return syr82x_set_bits(syr82x,SYR82X_BUCK1_SET_VOL_BASE, mask, mask);
|
|
|
|
|
case REGULATOR_MODE_NORMAL:
|
|
|
|
|
return syb827_set_bits(syb827, SYB827_BUCK1_SET_VOL_BASE, mask, 0);
|
|
|
|
|
return syr82x_set_bits(syr82x, SYR82X_BUCK1_SET_VOL_BASE, mask, 0);
|
|
|
|
|
default:
|
|
|
|
|
printk("error:dcdc_syb827 only auto and pwm mode\n");
|
|
|
|
|
printk("error:dcdc_syr82x only auto and pwm mode\n");
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
static int syb827_dcdc_set_voltage_time_sel(struct regulator_dev *dev, unsigned int old_selector,
|
|
|
|
|
static int syr82x_dcdc_set_voltage_time_sel(struct regulator_dev *dev, unsigned int old_selector,
|
|
|
|
|
unsigned int new_selector)
|
|
|
|
|
{
|
|
|
|
|
int old_volt, new_volt;
|
|
|
|
|
|
|
|
|
|
old_volt = syb827_dcdc_list_voltage(dev, old_selector);
|
|
|
|
|
old_volt = syr82x_dcdc_list_voltage(dev, old_selector);
|
|
|
|
|
if (old_volt < 0)
|
|
|
|
|
return old_volt;
|
|
|
|
|
|
|
|
|
|
new_volt = syb827_dcdc_list_voltage(dev, new_selector);
|
|
|
|
|
new_volt = syr82x_dcdc_list_voltage(dev, new_selector);
|
|
|
|
|
if (new_volt < 0)
|
|
|
|
|
return new_volt;
|
|
|
|
|
|
|
|
|
|
return DIV_ROUND_UP(abs(old_volt - new_volt)*4, 10000);
|
|
|
|
|
}
|
|
|
|
|
static int syb827_dcdc_suspend_enable(struct regulator_dev *dev)
|
|
|
|
|
static int syr82x_dcdc_suspend_enable(struct regulator_dev *dev)
|
|
|
|
|
{
|
|
|
|
|
struct syb827 *syb827 = rdev_get_drvdata(dev);
|
|
|
|
|
struct syr82x *syr82x = rdev_get_drvdata(dev);
|
|
|
|
|
u16 mask=0x80;
|
|
|
|
|
|
|
|
|
|
return syb827_set_bits(syb827, SYB827_BUCK1_SLP_VOL_BASE, mask, 0x80);
|
|
|
|
|
return syr82x_set_bits(syr82x, SYR82X_BUCK1_SLP_VOL_BASE, mask, 0x80);
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
static int syb827_dcdc_suspend_disable(struct regulator_dev *dev)
|
|
|
|
|
static int syr82x_dcdc_suspend_disable(struct regulator_dev *dev)
|
|
|
|
|
{
|
|
|
|
|
struct syb827 *syb827 = rdev_get_drvdata(dev);
|
|
|
|
|
struct syr82x *syr82x = rdev_get_drvdata(dev);
|
|
|
|
|
u16 mask=0x80;
|
|
|
|
|
return syb827_set_bits(syb827, SYB827_BUCK1_SLP_VOL_BASE, mask, 0);
|
|
|
|
|
return syr82x_set_bits(syr82x, SYR82X_BUCK1_SLP_VOL_BASE, mask, 0);
|
|
|
|
|
}
|
|
|
|
|
static int syb827_dcdc_set_sleep_voltage(struct regulator_dev *dev,
|
|
|
|
|
static int syr82x_dcdc_set_sleep_voltage(struct regulator_dev *dev,
|
|
|
|
|
int uV)
|
|
|
|
|
{
|
|
|
|
|
struct syb827 *syb827 = rdev_get_drvdata(dev);
|
|
|
|
|
struct syr82x *syr82x = rdev_get_drvdata(dev);
|
|
|
|
|
const int *vol_map = buck_voltage_map;
|
|
|
|
|
u16 val;
|
|
|
|
|
int ret = 0;
|
|
|
|
|
@@ -268,56 +268,56 @@ static int syb827_dcdc_set_sleep_voltage(struct regulator_dev *dev,
|
|
|
|
|
|
|
|
|
|
if (vol_map[val] > uV)
|
|
|
|
|
printk("WARNING:this voltage is not support!voltage set is %d mv\n",vol_map[val]);
|
|
|
|
|
ret = syb827_set_bits(syb827,SYB827_BUCK1_SLP_VOL_BASE ,BUCK_VOL_MASK, val);
|
|
|
|
|
ret = syr82x_set_bits(syr82x,SYR82X_BUCK1_SLP_VOL_BASE ,BUCK_VOL_MASK, val);
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static int syb827_dcdc_set_suspend_mode(struct regulator_dev *dev, unsigned int mode)
|
|
|
|
|
static int syr82x_dcdc_set_suspend_mode(struct regulator_dev *dev, unsigned int mode)
|
|
|
|
|
{
|
|
|
|
|
struct syb827 *syb827 = rdev_get_drvdata(dev);
|
|
|
|
|
struct syr82x *syr82x = rdev_get_drvdata(dev);
|
|
|
|
|
u16 mask = 0x40;
|
|
|
|
|
|
|
|
|
|
switch(mode)
|
|
|
|
|
{
|
|
|
|
|
case REGULATOR_MODE_FAST:
|
|
|
|
|
return syb827_set_bits(syb827,SYB827_BUCK1_SLP_VOL_BASE, mask, mask);
|
|
|
|
|
return syr82x_set_bits(syr82x,SYR82X_BUCK1_SLP_VOL_BASE, mask, mask);
|
|
|
|
|
case REGULATOR_MODE_NORMAL:
|
|
|
|
|
return syb827_set_bits(syb827, SYB827_BUCK1_SLP_VOL_BASE, mask, 0);
|
|
|
|
|
return syr82x_set_bits(syr82x, SYR82X_BUCK1_SLP_VOL_BASE, mask, 0);
|
|
|
|
|
default:
|
|
|
|
|
printk("error:dcdc_syb827 only auto and pwm mode\n");
|
|
|
|
|
printk("error:dcdc_syr82x only auto and pwm mode\n");
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct regulator_ops syb827_dcdc_ops = {
|
|
|
|
|
.set_voltage = syb827_dcdc_set_voltage,
|
|
|
|
|
.get_voltage = syb827_dcdc_get_voltage,
|
|
|
|
|
.list_voltage= syb827_dcdc_list_voltage,
|
|
|
|
|
.is_enabled = syb827_dcdc_is_enabled,
|
|
|
|
|
.enable = syb827_dcdc_enable,
|
|
|
|
|
.disable = syb827_dcdc_disable,
|
|
|
|
|
.get_mode = syb827_dcdc_get_mode,
|
|
|
|
|
.set_mode = syb827_dcdc_set_mode,
|
|
|
|
|
.set_suspend_voltage = syb827_dcdc_set_sleep_voltage,
|
|
|
|
|
.set_suspend_enable = syb827_dcdc_suspend_enable,
|
|
|
|
|
.set_suspend_disable = syb827_dcdc_suspend_disable,
|
|
|
|
|
.set_suspend_mode = syb827_dcdc_set_suspend_mode,
|
|
|
|
|
.set_voltage_time_sel = syb827_dcdc_set_voltage_time_sel,
|
|
|
|
|
static struct regulator_ops syr82x_dcdc_ops = {
|
|
|
|
|
.set_voltage = syr82x_dcdc_set_voltage,
|
|
|
|
|
.get_voltage = syr82x_dcdc_get_voltage,
|
|
|
|
|
.list_voltage= syr82x_dcdc_list_voltage,
|
|
|
|
|
.is_enabled = syr82x_dcdc_is_enabled,
|
|
|
|
|
.enable = syr82x_dcdc_enable,
|
|
|
|
|
.disable = syr82x_dcdc_disable,
|
|
|
|
|
.get_mode = syr82x_dcdc_get_mode,
|
|
|
|
|
.set_mode = syr82x_dcdc_set_mode,
|
|
|
|
|
.set_suspend_voltage = syr82x_dcdc_set_sleep_voltage,
|
|
|
|
|
.set_suspend_enable = syr82x_dcdc_suspend_enable,
|
|
|
|
|
.set_suspend_disable = syr82x_dcdc_suspend_disable,
|
|
|
|
|
.set_suspend_mode = syr82x_dcdc_set_suspend_mode,
|
|
|
|
|
.set_voltage_time_sel = syr82x_dcdc_set_voltage_time_sel,
|
|
|
|
|
};
|
|
|
|
|
static struct regulator_desc regulators[] = {
|
|
|
|
|
|
|
|
|
|
{
|
|
|
|
|
.name = "SY_DCDC1",
|
|
|
|
|
.id = 0,
|
|
|
|
|
.ops = &syb827_dcdc_ops,
|
|
|
|
|
.ops = &syr82x_dcdc_ops,
|
|
|
|
|
.n_voltages = ARRAY_SIZE(buck_voltage_map),
|
|
|
|
|
.type = REGULATOR_VOLTAGE,
|
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
|
},
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static int syb827_i2c_read(struct i2c_client *i2c, char reg, int count, u16 *dest)
|
|
|
|
|
static int syr82x_i2c_read(struct i2c_client *i2c, char reg, int count, u16 *dest)
|
|
|
|
|
{
|
|
|
|
|
int ret;
|
|
|
|
|
struct i2c_adapter *adap;
|
|
|
|
|
@@ -335,13 +335,13 @@ static int syb827_i2c_read(struct i2c_client *i2c, char reg, int count, u16 *des
|
|
|
|
|
msgs[0].buf = ®
|
|
|
|
|
msgs[0].flags = i2c->flags;
|
|
|
|
|
msgs[0].len = 1;
|
|
|
|
|
msgs[0].scl_rate = SYB827_SPEED;
|
|
|
|
|
msgs[0].scl_rate = SYR82X_SPEED;
|
|
|
|
|
|
|
|
|
|
msgs[1].buf = (u8 *)dest;
|
|
|
|
|
msgs[1].addr = i2c->addr;
|
|
|
|
|
msgs[1].flags = i2c->flags | I2C_M_RD;
|
|
|
|
|
msgs[1].len = 1;
|
|
|
|
|
msgs[1].scl_rate = SYB827_SPEED;
|
|
|
|
|
msgs[1].scl_rate = SYR82X_SPEED;
|
|
|
|
|
ret = i2c_transfer(adap, msgs, 2);
|
|
|
|
|
|
|
|
|
|
DBG("***run in %s %d msgs[1].buf = %d\n",__FUNCTION__,__LINE__,*(msgs[1].buf));
|
|
|
|
|
@@ -349,7 +349,7 @@ static int syb827_i2c_read(struct i2c_client *i2c, char reg, int count, u16 *des
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int syb827_i2c_write(struct i2c_client *i2c, char reg, int count, const u16 src)
|
|
|
|
|
static int syr82x_i2c_write(struct i2c_client *i2c, char reg, int count, const u16 src)
|
|
|
|
|
{
|
|
|
|
|
int ret=-1;
|
|
|
|
|
|
|
|
|
|
@@ -370,100 +370,100 @@ static int syb827_i2c_write(struct i2c_client *i2c, char reg, int count, const u
|
|
|
|
|
msg.buf = &tx_buf[0];
|
|
|
|
|
msg.len = 1 +1;
|
|
|
|
|
msg.flags = i2c->flags;
|
|
|
|
|
msg.scl_rate = SYB827_SPEED;
|
|
|
|
|
msg.scl_rate = SYR82X_SPEED;
|
|
|
|
|
|
|
|
|
|
ret = i2c_transfer(adap, &msg, 1);
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static u8 syb827_reg_read(struct syb827 *syb827, u8 reg)
|
|
|
|
|
static u8 syr82x_reg_read(struct syr82x *syr82x, u8 reg)
|
|
|
|
|
{
|
|
|
|
|
u16 val = 0;
|
|
|
|
|
|
|
|
|
|
mutex_lock(&syb827->io_lock);
|
|
|
|
|
mutex_lock(&syr82x->io_lock);
|
|
|
|
|
|
|
|
|
|
syb827_i2c_read(syb827->i2c, reg, 1, &val);
|
|
|
|
|
syr82x_i2c_read(syr82x->i2c, reg, 1, &val);
|
|
|
|
|
|
|
|
|
|
DBG("reg read 0x%02x -> 0x%02x\n", (int)reg, (unsigned)val&0xff);
|
|
|
|
|
|
|
|
|
|
mutex_unlock(&syb827->io_lock);
|
|
|
|
|
mutex_unlock(&syr82x->io_lock);
|
|
|
|
|
|
|
|
|
|
return val & 0xff;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int syb827_set_bits(struct syb827 *syb827, u8 reg, u16 mask, u16 val)
|
|
|
|
|
static int syr82x_set_bits(struct syr82x *syr82x, u8 reg, u16 mask, u16 val)
|
|
|
|
|
{
|
|
|
|
|
u16 tmp;
|
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
|
|
mutex_lock(&syb827->io_lock);
|
|
|
|
|
mutex_lock(&syr82x->io_lock);
|
|
|
|
|
|
|
|
|
|
ret = syb827_i2c_read(syb827->i2c, reg, 1, &tmp);
|
|
|
|
|
ret = syr82x_i2c_read(syr82x->i2c, reg, 1, &tmp);
|
|
|
|
|
DBG("1 reg read 0x%02x -> 0x%02x\n", (int)reg, (unsigned)tmp&0xff);
|
|
|
|
|
tmp = (tmp & ~mask) | val;
|
|
|
|
|
if (ret == 0) {
|
|
|
|
|
ret = syb827_i2c_write(syb827->i2c, reg, 1, tmp);
|
|
|
|
|
ret = syr82x_i2c_write(syr82x->i2c, reg, 1, tmp);
|
|
|
|
|
DBG("reg write 0x%02x -> 0x%02x\n", (int)reg, (unsigned)val&0xff);
|
|
|
|
|
}
|
|
|
|
|
syb827_i2c_read(syb827->i2c, reg, 1, &tmp);
|
|
|
|
|
syr82x_i2c_read(syr82x->i2c, reg, 1, &tmp);
|
|
|
|
|
DBG("2 reg read 0x%02x -> 0x%02x\n", (int)reg, (unsigned)tmp&0xff);
|
|
|
|
|
mutex_unlock(&syb827->io_lock);
|
|
|
|
|
mutex_unlock(&syr82x->io_lock);
|
|
|
|
|
|
|
|
|
|
return 0;//ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#ifdef CONFIG_OF
|
|
|
|
|
static struct of_device_id syb827_of_match[] = {
|
|
|
|
|
{ .compatible = "silergy,syb827"},
|
|
|
|
|
static struct of_device_id syr82x_of_match[] = {
|
|
|
|
|
{ .compatible = "silergy,syr82x"},
|
|
|
|
|
{ },
|
|
|
|
|
};
|
|
|
|
|
MODULE_DEVICE_TABLE(of, syb827_of_match);
|
|
|
|
|
MODULE_DEVICE_TABLE(of, syr82x_of_match);
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef CONFIG_OF
|
|
|
|
|
static struct of_regulator_match syb827_reg_matches[] = {
|
|
|
|
|
{ .name = "syb827_dcdc1" ,.driver_data = (void *)0},
|
|
|
|
|
static struct of_regulator_match syr82x_reg_matches[] = {
|
|
|
|
|
{ .name = "syr82x_dcdc1" ,.driver_data = (void *)0},
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static struct syb827_board *syb827_parse_dt(struct syb827 *syb827)
|
|
|
|
|
static struct syr82x_board *syr82x_parse_dt(struct syr82x *syr82x)
|
|
|
|
|
{
|
|
|
|
|
struct syb827_board *pdata;
|
|
|
|
|
struct syr82x_board *pdata;
|
|
|
|
|
struct device_node *regs;
|
|
|
|
|
struct device_node *syb827_np;
|
|
|
|
|
struct device_node *syr82x_np;
|
|
|
|
|
int gpio,count;
|
|
|
|
|
DBG("%s,line=%d\n", __func__,__LINE__);
|
|
|
|
|
|
|
|
|
|
syb827_np = of_node_get(syb827->dev->of_node);
|
|
|
|
|
if (!syb827_np) {
|
|
|
|
|
syr82x_np = of_node_get(syr82x->dev->of_node);
|
|
|
|
|
if (!syr82x_np) {
|
|
|
|
|
printk("could not find pmic sub-node\n");
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
regs = of_find_node_by_name(syb827_np, "regulators");
|
|
|
|
|
regs = of_find_node_by_name(syr82x_np, "regulators");
|
|
|
|
|
if (!regs)
|
|
|
|
|
return NULL;
|
|
|
|
|
count = of_regulator_match(syb827->dev, regs, syb827_reg_matches,
|
|
|
|
|
syb827_NUM_REGULATORS);
|
|
|
|
|
count = of_regulator_match(syr82x->dev, regs, syr82x_reg_matches,
|
|
|
|
|
syr82x_NUM_REGULATORS);
|
|
|
|
|
of_node_put(regs);
|
|
|
|
|
pdata = devm_kzalloc(syb827->dev, sizeof(*pdata), GFP_KERNEL);
|
|
|
|
|
pdata = devm_kzalloc(syr82x->dev, sizeof(*pdata), GFP_KERNEL);
|
|
|
|
|
if (!pdata)
|
|
|
|
|
return NULL;
|
|
|
|
|
pdata->syb827_init_data[0] = syb827_reg_matches[0].init_data;
|
|
|
|
|
pdata->of_node[0] = syb827_reg_matches[0].of_node;
|
|
|
|
|
pdata->syr82x_init_data[0] = syr82x_reg_matches[0].init_data;
|
|
|
|
|
pdata->of_node[0] = syr82x_reg_matches[0].of_node;
|
|
|
|
|
|
|
|
|
|
return pdata;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#else
|
|
|
|
|
static struct syb827_board *syb827_parse_dt(struct i2c_client *i2c)
|
|
|
|
|
static struct syr82x_board *syr82x_parse_dt(struct i2c_client *i2c)
|
|
|
|
|
{
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
static int syb827_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
|
|
|
|
|
static int syr82x_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
|
|
|
|
|
{
|
|
|
|
|
struct syb827 *syb827;
|
|
|
|
|
struct syb827_board *pdev ;
|
|
|
|
|
struct syr82x *syr82x;
|
|
|
|
|
struct syr82x_board *pdev ;
|
|
|
|
|
const struct of_device_id *match;
|
|
|
|
|
struct regulator_config config = { };
|
|
|
|
|
struct regulator_dev *sy_rdev;
|
|
|
|
|
@@ -474,47 +474,47 @@ static int syb827_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *
|
|
|
|
|
DBG("%s,line=%d\n", __func__,__LINE__);
|
|
|
|
|
|
|
|
|
|
if (i2c->dev.of_node) {
|
|
|
|
|
match = of_match_device(syb827_of_match, &i2c->dev);
|
|
|
|
|
match = of_match_device(syr82x_of_match, &i2c->dev);
|
|
|
|
|
if (!match) {
|
|
|
|
|
printk("Failed to find matching dt id\n");
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
syb827 = devm_kzalloc(&i2c->dev,sizeof(struct syb827), GFP_KERNEL);
|
|
|
|
|
if (syb827 == NULL) {
|
|
|
|
|
syr82x = devm_kzalloc(&i2c->dev,sizeof(struct syr82x), GFP_KERNEL);
|
|
|
|
|
if (syr82x == NULL) {
|
|
|
|
|
ret = -ENOMEM;
|
|
|
|
|
goto err;
|
|
|
|
|
}
|
|
|
|
|
syb827->i2c = i2c;
|
|
|
|
|
syb827->dev = &i2c->dev;
|
|
|
|
|
i2c_set_clientdata(i2c, syb827);
|
|
|
|
|
g_syb827 = syb827;
|
|
|
|
|
syr82x->i2c = i2c;
|
|
|
|
|
syr82x->dev = &i2c->dev;
|
|
|
|
|
i2c_set_clientdata(i2c, syr82x);
|
|
|
|
|
g_syr82x = syr82x;
|
|
|
|
|
|
|
|
|
|
mutex_init(&syb827->io_lock);
|
|
|
|
|
mutex_init(&syr82x->io_lock);
|
|
|
|
|
|
|
|
|
|
ret = syb827_reg_read(syb827,SYB827_ID1_REG);
|
|
|
|
|
ret = syr82x_reg_read(syr82x,SYR82X_ID1_REG);
|
|
|
|
|
if ((ret <0) ||(ret ==0xff) ||(ret ==0)){
|
|
|
|
|
printk("The device is not syb827 %x \n",ret);
|
|
|
|
|
printk("The device is not syr82x %x \n",ret);
|
|
|
|
|
goto err;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ret = syb827_set_bits(syb827,SYB827_CONTR_REG1,(1 << 6),(1<<6)); //10mv/2.4us
|
|
|
|
|
ret = syr82x_set_bits(syr82x,SYR82X_CONTR_REG1,(1 << 6),(1<<6)); //10mv/2.4us
|
|
|
|
|
|
|
|
|
|
if (syb827->dev->of_node)
|
|
|
|
|
pdev = syb827_parse_dt(syb827);
|
|
|
|
|
if (syr82x->dev->of_node)
|
|
|
|
|
pdev = syr82x_parse_dt(syr82x);
|
|
|
|
|
|
|
|
|
|
if (pdev) {
|
|
|
|
|
syb827->num_regulators = syb827_NUM_REGULATORS;
|
|
|
|
|
syb827->rdev = kcalloc(syb827_NUM_REGULATORS,sizeof(struct regulator_dev *), GFP_KERNEL);
|
|
|
|
|
if (!syb827->rdev) {
|
|
|
|
|
syr82x->num_regulators = syr82x_NUM_REGULATORS;
|
|
|
|
|
syr82x->rdev = kcalloc(syr82x_NUM_REGULATORS,sizeof(struct regulator_dev *), GFP_KERNEL);
|
|
|
|
|
if (!syr82x->rdev) {
|
|
|
|
|
return -ENOMEM;
|
|
|
|
|
}
|
|
|
|
|
/* Instantiate the regulators */
|
|
|
|
|
reg_data = pdev->syb827_init_data[0];
|
|
|
|
|
config.dev = syb827->dev;
|
|
|
|
|
config.driver_data = syb827;
|
|
|
|
|
if (syb827->dev->of_node)
|
|
|
|
|
reg_data = pdev->syr82x_init_data[0];
|
|
|
|
|
config.dev = syr82x->dev;
|
|
|
|
|
config.driver_data = syr82x;
|
|
|
|
|
if (syr82x->dev->of_node)
|
|
|
|
|
config.of_node = pdev->of_node[0];
|
|
|
|
|
if (reg_data && reg_data->constraints.name)
|
|
|
|
|
rail_name = reg_data->constraints.name;
|
|
|
|
|
@@ -528,7 +528,7 @@ static int syb827_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *
|
|
|
|
|
printk("failed to register regulator\n");
|
|
|
|
|
goto err;
|
|
|
|
|
}
|
|
|
|
|
syb827->rdev[0] = sy_rdev;
|
|
|
|
|
syr82x->rdev[0] = sy_rdev;
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
err:
|
|
|
|
|
@@ -536,51 +536,51 @@ err:
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int syb827_i2c_remove(struct i2c_client *i2c)
|
|
|
|
|
static int syr82x_i2c_remove(struct i2c_client *i2c)
|
|
|
|
|
{
|
|
|
|
|
struct syb827 *syb827 = i2c_get_clientdata(i2c);
|
|
|
|
|
struct syr82x *syr82x = i2c_get_clientdata(i2c);
|
|
|
|
|
|
|
|
|
|
if (syb827->rdev[0])
|
|
|
|
|
regulator_unregister(syb827->rdev[0]);
|
|
|
|
|
if (syr82x->rdev[0])
|
|
|
|
|
regulator_unregister(syr82x->rdev[0]);
|
|
|
|
|
i2c_set_clientdata(i2c, NULL);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static const struct i2c_device_id syb827_i2c_id[] = {
|
|
|
|
|
{ "syb827", 0 },
|
|
|
|
|
static const struct i2c_device_id syr82x_i2c_id[] = {
|
|
|
|
|
{ "syr82x", 0 },
|
|
|
|
|
{ }
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
MODULE_DEVICE_TABLE(i2c, syb827_i2c_id);
|
|
|
|
|
MODULE_DEVICE_TABLE(i2c, syr82x_i2c_id);
|
|
|
|
|
|
|
|
|
|
static struct i2c_driver syb827_i2c_driver = {
|
|
|
|
|
static struct i2c_driver syr82x_i2c_driver = {
|
|
|
|
|
.driver = {
|
|
|
|
|
.name = "syb827",
|
|
|
|
|
.name = "syr82x",
|
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
|
.of_match_table =of_match_ptr(syb827_of_match),
|
|
|
|
|
.of_match_table =of_match_ptr(syr82x_of_match),
|
|
|
|
|
},
|
|
|
|
|
.probe = syb827_i2c_probe,
|
|
|
|
|
.remove = syb827_i2c_remove,
|
|
|
|
|
.id_table = syb827_i2c_id,
|
|
|
|
|
.probe = syr82x_i2c_probe,
|
|
|
|
|
.remove = syr82x_i2c_remove,
|
|
|
|
|
.id_table = syr82x_i2c_id,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static int __init syb827_module_init(void)
|
|
|
|
|
static int __init syr82x_module_init(void)
|
|
|
|
|
{
|
|
|
|
|
int ret;
|
|
|
|
|
ret = i2c_add_driver(&syb827_i2c_driver);
|
|
|
|
|
ret = i2c_add_driver(&syr82x_i2c_driver);
|
|
|
|
|
if (ret != 0)
|
|
|
|
|
pr_err("Failed to register I2C driver: %d\n", ret);
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
subsys_initcall_sync(syb827_module_init);
|
|
|
|
|
subsys_initcall_sync(syr82x_module_init);
|
|
|
|
|
|
|
|
|
|
static void __exit syb827_module_exit(void)
|
|
|
|
|
static void __exit syr82x_module_exit(void)
|
|
|
|
|
{
|
|
|
|
|
i2c_del_driver(&syb827_i2c_driver);
|
|
|
|
|
i2c_del_driver(&syr82x_i2c_driver);
|
|
|
|
|
}
|
|
|
|
|
module_exit(syb827_module_exit);
|
|
|
|
|
module_exit(syr82x_module_exit);
|
|
|
|
|
|
|
|
|
|
MODULE_LICENSE("GPL");
|
|
|
|
|
MODULE_AUTHOR("zhangqing <zhangqing@rock-chips.com>");
|
|
|
|
|
MODULE_DESCRIPTION("syb827 PMIC driver");
|
|
|
|
|
MODULE_DESCRIPTION("syr82x PMIC driver");
|
|
|
|
|
|