void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
struct seq_file *s, unsigned long config)
{
int i;
for (i = 0; i < ARRAY_SIZE(conf_items); i++) {
if (pinconf_to_config_param(config) != conf_items[i].param)
continue;
seq_printf(s, "%s: 0x%x", conf_items[i].display,
pinconf_to_config_argument(config));
}
if (!pctldev->desc->num_custom_params ||
!pctldev->desc->custom_conf_items)
return;
for (i = 0; i < pctldev->desc->num_custom_params; i++) {
if (pinconf_to_config_param(config) !=
pctldev->desc->custom_conf_items[i].param)
continue;
seq_printf(s, "%s: 0x%x",
pctldev->desc->custom_conf_items[i].display,
pinconf_to_config_argument(config));
}
}
static int oxnas_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin,
unsigned long *config)
{
struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin);
unsigned int param = pinconf_to_config_param(*config);
u32 mask = BIT(pin - bank->gpio_chip.base);
int ret;
u32 arg;
switch (param) {
case PIN_CONFIG_BIAS_PULL_UP:
ret = regmap_read(pctl->regmap,
(bank->id ?
PINMUX_PULLUP_CTRL1 :
PINMUX_PULLUP_CTRL0),
&arg);
if (ret)
return ret;
arg = !!(arg & mask);
break;
default:
return -ENOTSUPP;
}
*config = pinconf_to_config_packed(param, arg);
return 0;
}
static int meson_pinconf_get(struct pinctrl_dev *pcdev, unsigned int pin,
unsigned long *config)
{
struct meson_pinctrl *pc = pinctrl_dev_get_drvdata(pcdev);
enum pin_config_param param = pinconf_to_config_param(*config);
u16 arg;
switch (param) {
case PIN_CONFIG_BIAS_DISABLE:
case PIN_CONFIG_BIAS_PULL_DOWN:
case PIN_CONFIG_BIAS_PULL_UP:
if (meson_pinconf_get_pull(pc, pin) == param)
arg = 1;
else
return -EINVAL;
break;
default:
return -ENOTSUPP;
}
*config = pinconf_to_config_packed(param, arg);
dev_dbg(pc->dev, "pinconf for pin %u is %lu\n", pin, *config);
return 0;
}
static int mrfld_config_set(struct pinctrl_dev *pctldev, unsigned int pin,
unsigned long *configs, unsigned int nconfigs)
{
struct mrfld_pinctrl *mp = pinctrl_dev_get_drvdata(pctldev);
unsigned int i;
int ret;
for (i = 0; i < nconfigs; i++) {
switch (pinconf_to_config_param(configs[i])) {
case PIN_CONFIG_BIAS_DISABLE:
case PIN_CONFIG_BIAS_PULL_UP:
case PIN_CONFIG_BIAS_PULL_DOWN:
case PIN_CONFIG_DRIVE_OPEN_DRAIN:
case PIN_CONFIG_SLEW_RATE:
ret = mrfld_config_set_pin(mp, pin, configs[i]);
if (ret)
return ret;
break;
default:
return -ENOTSUPP;
}
}
return 0;
}
static int rtc_pinconf_get(struct pinctrl_dev *pctldev,
unsigned int pin, unsigned long *config)
{
struct omap_rtc *rtc = pinctrl_dev_get_drvdata(pctldev);
unsigned int param = pinconf_to_config_param(*config);
u32 val;
u16 arg = 0;
rtc->type->unlock(rtc);
val = rtc_readl(rtc, OMAP_RTC_PMIC_REG);
rtc->type->lock(rtc);
switch (param) {
case PIN_CONFIG_INPUT_ENABLE:
if (!(val & OMAP_RTC_PMIC_EXT_WKUP_EN(pin)))
return -EINVAL;
break;
case PIN_CONFIG_ACTIVE_HIGH:
if (val & OMAP_RTC_PMIC_EXT_WKUP_POL(pin))
return -EINVAL;
break;
default:
return -ENOTSUPP;
};
*config = pinconf_to_config_packed(param, arg);
return 0;
}
static int lpc18xx_pconf_get(struct pinctrl_dev *pctldev, unsigned pin,
unsigned long *config)
{
struct lpc18xx_scu_data *scu = pinctrl_dev_get_drvdata(pctldev);
enum pin_config_param param = pinconf_to_config_param(*config);
struct lpc18xx_pin_caps *pin_cap;
int ret, arg = 0;
u32 reg;
pin_cap = lpc18xx_get_pin_caps(pin);
if (!pin_cap)
return -EINVAL;
reg = readl(scu->base + pin_cap->offset);
if (pin_cap->type == TYPE_I2C0)
ret = lpc18xx_pconf_get_i2c0(param, &arg, reg, pin);
else if (pin_cap->type == TYPE_USB1)
ret = lpc18xx_pconf_get_usb1(param, &arg, reg);
else
ret = lpc18xx_pconf_get_pin(param, &arg, reg, pin_cap);
if (ret < 0)
return ret;
*config = pinconf_to_config_packed(param, (u16)arg);
return 0;
}
static int sh_pfc_pinconf_set(struct pinctrl_dev *pctldev, unsigned _pin,
unsigned long config)
{
struct sh_pfc_pinctrl *pmx = pinctrl_dev_get_drvdata(pctldev);
struct sh_pfc *pfc = pmx->pfc;
enum pin_config_param param = pinconf_to_config_param(config);
unsigned long flags;
if (!sh_pfc_pinconf_validate(pfc, _pin, param))
return -ENOTSUPP;
switch (param) {
case PIN_CONFIG_BIAS_PULL_UP:
case PIN_CONFIG_BIAS_PULL_DOWN:
case PIN_CONFIG_BIAS_DISABLE:
if (!pfc->info->ops || !pfc->info->ops->set_bias)
return -ENOTSUPP;
spin_lock_irqsave(&pfc->lock, flags);
pfc->info->ops->set_bias(pfc, _pin, param);
spin_unlock_irqrestore(&pfc->lock, flags);
break;
default:
return -ENOTSUPP;
}
return 0;
}
static int hi6402_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin,
unsigned long *config)
{
struct hi6402_pinctrl_device *pindev = pinctrl_dev_get_drvdata(pctldev);
enum pin_config_param param;
const struct hi6402_pinctrl_function *func;
unsigned data, data1;
int i, j, ret;
ret = hi6402_get_function(pctldev, pin, &func);
if (ret)
return ret;
for (i = 0; i < func->confs->nconfs; i++) {
param = pinconf_to_config_param(*config);
if (param == PIN_CONFIG_BIAS_DISABLE) {
if (hi6402_pinconf_bias_disable(pctldev, pin)) {
*config = 0;
return 0;
} else {
return -ENOTSUPP;
}
} else if (param != func->confs->configs[i].val) {
continue;
}
data = pindev->read(pindev, func->confs->reg) & func->confs->configs[i].mask;
switch (func->confs->configs[i].param) {
case PIN_CONFIG_BIAS_PULL_DOWN:
case PIN_CONFIG_BIAS_PULL_UP:
case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
case PIN_CONFIG_DRIVE_STRENGTH:
case PIN_CONFIG_SLEW_RATE:
*config = data;
break;
case PIN_CONFIG_INPUT_SCHMITT:
for (j = 0; j < func->confs->nconfs; j++) {
switch (func->confs->configs[j].param) {
case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
data1 = pindev->read(pindev, func->confs->reg) & func->confs->configs[j].mask;
if (!data1)
return -ENOTSUPP;
break;
default:
break;
}
}
default:
*config = data;
break;
}
return 0;
}
return -ENOTSUPP;
}
static int zynq_pinconf_cfg_get(struct pinctrl_dev *pctldev,
unsigned pin,
unsigned long *config)
{
u32 reg;
int ret;
unsigned int arg = 0;
unsigned int param = pinconf_to_config_param(*config);
struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
if (pin >= ZYNQ_NUM_MIOS)
return -ENOTSUPP;
ret = regmap_read(pctrl->syscon, pctrl->pctrl_offset + (4 * pin), ®);
if (ret)
return -EIO;
switch (param) {
case PIN_CONFIG_BIAS_PULL_UP:
if (!(reg & ZYNQ_PINCONF_PULLUP))
return -EINVAL;
arg = 1;
break;
case PIN_CONFIG_BIAS_HIGH_IMPEDANCE:
if (!(reg & ZYNQ_PINCONF_TRISTATE))
return -EINVAL;
arg = 1;
break;
case PIN_CONFIG_BIAS_DISABLE:
if (reg & ZYNQ_PINCONF_PULLUP || reg & ZYNQ_PINCONF_TRISTATE)
return -EINVAL;
break;
case PIN_CONFIG_SLEW_RATE:
arg = !!(reg & ZYNQ_PINCONF_SPEED);
break;
case PIN_CONFIG_LOW_POWER_MODE:
{
enum zynq_io_standards iostd = zynq_pinconf_iostd_get(reg);
if (iostd != zynq_iostd_hstl)
return -EINVAL;
if (!(reg & ZYNQ_PINCONF_DISABLE_RECVR))
return -EINVAL;
arg = !!(reg & ZYNQ_PINCONF_DISABLE_RECVR);
break;
}
case PIN_CONFIG_IOSTANDARD:
arg = zynq_pinconf_iostd_get(reg);
break;
default:
return -ENOTSUPP;
}
*config = pinconf_to_config_packed(param, arg);
return 0;
}
static int amd_gpio_set_config(struct gpio_chip *gc, unsigned offset,
unsigned long config)
{
u32 debounce;
if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE)
return -ENOTSUPP;
debounce = pinconf_to_config_argument(config);
return amd_gpio_set_debounce(gc, offset, debounce);
}
static int sprd_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin_id,
unsigned long *config)
{
struct sprd_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
struct sprd_pin *pin = sprd_pinctrl_get_pin_by_id(pctl, pin_id);
unsigned int param = pinconf_to_config_param(*config);
unsigned int reg, arg;
if (!pin)
return -EINVAL;
if (pin->type == GLOBAL_CTRL_PIN) {
reg = (readl((void __iomem *)pin->reg) >>
pin->bit_offset) & PINCTRL_BIT_MASK(pin->bit_width);
} else {
static int gb_gpio_set_config(struct gpio_chip *chip, unsigned int offset,
unsigned long config)
{
struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip);
u32 debounce;
if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE)
return -ENOTSUPP;
debounce = pinconf_to_config_argument(config);
if (debounce > U16_MAX)
return -EINVAL;
return gb_gpio_set_debounce_operation(ggc, (u8)offset, (u16)debounce);
}
static int wmt_pinconf_set(struct pinctrl_dev *pctldev, unsigned pin,
unsigned long *configs, unsigned num_configs)
{
struct wmt_pinctrl_data *data = pinctrl_dev_get_drvdata(pctldev);
enum pin_config_param param;
u16 arg;
u32 bank = WMT_BANK_FROM_PIN(pin);
u32 bit = WMT_BIT_FROM_PIN(pin);
u32 reg_pull_en = data->banks[bank].reg_pull_en;
u32 reg_pull_cfg = data->banks[bank].reg_pull_cfg;
int i;
if ((reg_pull_en == NO_REG) || (reg_pull_cfg == NO_REG)) {
dev_err(data->dev, "bias functions not supported on pin %d\n",
pin);
return -EINVAL;
}
for (i = 0; i < num_configs; i++) {
param = pinconf_to_config_param(configs[i]);
arg = pinconf_to_config_argument(configs[i]);
if ((param == PIN_CONFIG_BIAS_PULL_DOWN) ||
(param == PIN_CONFIG_BIAS_PULL_UP)) {
if (arg == 0)
param = PIN_CONFIG_BIAS_DISABLE;
}
switch (param) {
case PIN_CONFIG_BIAS_DISABLE:
wmt_clearbits(data, reg_pull_en, BIT(bit));
break;
case PIN_CONFIG_BIAS_PULL_DOWN:
wmt_clearbits(data, reg_pull_cfg, BIT(bit));
wmt_setbits(data, reg_pull_en, BIT(bit));
break;
case PIN_CONFIG_BIAS_PULL_UP:
wmt_setbits(data, reg_pull_cfg, BIT(bit));
wmt_setbits(data, reg_pull_en, BIT(bit));
break;
default:
dev_err(data->dev, "unknown pinconf param\n");
return -EINVAL;
}
} /* for each config */
return 0;
}
static int mtk_pconf_group_set(struct pinctrl_dev *pctldev, unsigned group,
unsigned long *configs, unsigned num_configs)
{
struct mtk_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
struct mtk_pinctrl_group *g = &pctl->groups[group];
int i;
for (i = 0; i < num_configs; i++) {
mtk_pconf_parse_conf(pctldev, g->pin,
pinconf_to_config_param(configs[i]),
pinconf_to_config_argument(configs[i]));
g->config = configs[i];
}
return 0;
}
static int as3722_pinconf_set(struct pinctrl_dev *pctldev,
unsigned pin, unsigned long *configs,
unsigned num_configs)
{
struct as3722_pctrl_info *as_pci = pinctrl_dev_get_drvdata(pctldev);
enum pin_config_param param;
int mode_prop;
int i;
for (i = 0; i < num_configs; i++) {
param = pinconf_to_config_param(configs[i]);
mode_prop = as_pci->gpio_control[pin].mode_prop;
switch (param) {
case PIN_CONFIG_BIAS_PULL_PIN_DEFAULT:
break;
case PIN_CONFIG_BIAS_DISABLE:
mode_prop &= ~(AS3722_GPIO_MODE_PULL_UP |
AS3722_GPIO_MODE_PULL_DOWN);
break;
case PIN_CONFIG_BIAS_PULL_UP:
mode_prop |= AS3722_GPIO_MODE_PULL_UP;
break;
case PIN_CONFIG_BIAS_PULL_DOWN:
mode_prop |= AS3722_GPIO_MODE_PULL_DOWN;
break;
case PIN_CONFIG_BIAS_HIGH_IMPEDANCE:
mode_prop |= AS3722_GPIO_MODE_HIGH_IMPED;
break;
case PIN_CONFIG_DRIVE_OPEN_DRAIN:
mode_prop |= AS3722_GPIO_MODE_OPEN_DRAIN;
break;
default:
dev_err(as_pci->dev, "Properties not supported\n");
return -ENOTSUPP;
}
as_pci->gpio_control[pin].mode_prop = mode_prop;
}
return 0;
}
static int rtc_pinconf_set(struct pinctrl_dev *pctldev,
unsigned int pin, unsigned long *configs,
unsigned int num_configs)
{
struct omap_rtc *rtc = pinctrl_dev_get_drvdata(pctldev);
u32 val;
unsigned int param;
u16 param_val;
int i;
rtc->type->unlock(rtc);
val = rtc_readl(rtc, OMAP_RTC_PMIC_REG);
rtc->type->lock(rtc);
/* active low by default */
val |= OMAP_RTC_PMIC_EXT_WKUP_POL(pin);
for (i = 0; i < num_configs; i++) {
param = pinconf_to_config_param(configs[i]);
param_val = pinconf_to_config_argument(configs[i]);
switch (param) {
case PIN_CONFIG_INPUT_ENABLE:
if (param_val)
val |= OMAP_RTC_PMIC_EXT_WKUP_EN(pin);
else
val &= ~OMAP_RTC_PMIC_EXT_WKUP_EN(pin);
break;
case PIN_CONFIG_ACTIVE_HIGH:
val &= ~OMAP_RTC_PMIC_EXT_WKUP_POL(pin);
break;
default:
dev_err(&rtc->rtc->dev, "Property %u not supported\n",
param);
return -ENOTSUPP;
}
}
rtc->type->unlock(rtc);
rtc_writel(rtc, OMAP_RTC_PMIC_REG, val);
rtc->type->lock(rtc);
return 0;
}
static int as3722_pinconf_get(struct pinctrl_dev *pctldev,
unsigned pin, unsigned long *config)
{
struct as3722_pctrl_info *as_pci = pinctrl_dev_get_drvdata(pctldev);
enum pin_config_param param = pinconf_to_config_param(*config);
int arg = 0;
u16 prop;
switch (param) {
case PIN_CONFIG_BIAS_DISABLE:
prop = AS3722_GPIO_MODE_PULL_UP |
AS3722_GPIO_MODE_PULL_DOWN;
if (!(as_pci->gpio_control[pin].mode_prop & prop))
arg = 1;
prop = 0;
break;
case PIN_CONFIG_BIAS_PULL_UP:
prop = AS3722_GPIO_MODE_PULL_UP;
break;
case PIN_CONFIG_BIAS_PULL_DOWN:
prop = AS3722_GPIO_MODE_PULL_DOWN;
break;
case PIN_CONFIG_DRIVE_OPEN_DRAIN:
prop = AS3722_GPIO_MODE_OPEN_DRAIN;
break;
case PIN_CONFIG_BIAS_HIGH_IMPEDANCE:
prop = AS3722_GPIO_MODE_HIGH_IMPED;
break;
default:
dev_err(as_pci->dev, "Properties not supported\n");
return -ENOTSUPP;
}
if (as_pci->gpio_control[pin].mode_prop & prop)
arg = 1;
*config = pinconf_to_config_packed(param, (u16)arg);
return 0;
}
/* get the pin config settings for a specified pin */
static int hi6402_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
unsigned long config)
{
struct hi6402_pinctrl_device *pindev = pinctrl_dev_get_drvdata(pctldev);
const struct hi6402_pinctrl_function *func;
unsigned data;
int i, ret;
u16 arg;
ret = hi6402_get_function(pctldev, pin, &func);
if (ret)
return ret;
for (i = 0; i < func->confs->nconfs; i++) {
if (pinconf_to_config_param(config) == func->confs->configs[i].param) {
data = pindev->read(pindev, func->confs->reg);
arg = pinconf_to_config_argument(config);
switch (func->confs->configs[i].param) {
case PIN_CONFIG_BIAS_DISABLE:
hi6402_pinconf_clear_bias(pctldev, pin);
break;
case PIN_CONFIG_BIAS_PULL_DOWN:
case PIN_CONFIG_BIAS_PULL_UP:
if (arg)
hi6402_pinconf_clear_bias(pctldev, pin);
case PIN_CONFIG_INPUT_SCHMITT:
case PIN_CONFIG_DRIVE_STRENGTH:
case PIN_CONFIG_SLEW_RATE:
case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
data &= ~func->confs->configs[i].mask;
if (arg)
data |= arg;
break;
default:
return -ENOTSUPP;
}
pindev->write(pindev, data, func->confs->reg);
return 0;
}
}
return -ENOTSUPP;
}
static int wm831x_set_config(struct gpio_chip *chip, unsigned int offset,
unsigned long config)
{
struct wm831x_gpio *wm831x_gpio = gpiochip_get_data(chip);
struct wm831x *wm831x = wm831x_gpio->wm831x;
int reg = WM831X_GPIO1_CONTROL + offset;
switch (pinconf_to_config_param(config)) {
case PIN_CONFIG_DRIVE_OPEN_DRAIN:
return wm831x_set_bits(wm831x, reg,
WM831X_GPN_OD_MASK, WM831X_GPN_OD);
case PIN_CONFIG_DRIVE_PUSH_PULL:
return wm831x_set_bits(wm831x, reg,
WM831X_GPN_OD_MASK, 0);
case PIN_CONFIG_INPUT_DEBOUNCE:
return wm831x_gpio_set_debounce(wm831x, offset,
pinconf_to_config_argument(config));
default:
break;
}
return -ENOTSUPP;
}
static int oxnas_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
unsigned long *configs, unsigned int num_configs)
{
struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin);
unsigned int param;
u32 arg;
unsigned int i;
u32 offset = pin - bank->gpio_chip.base;
u32 mask = BIT(offset);
dev_dbg(pctl->dev, "setting pin %d bank %d mask 0x%x\n",
pin, bank->gpio_chip.base, mask);
for (i = 0; i < num_configs; i++) {
param = pinconf_to_config_param(configs[i]);
arg = pinconf_to_config_argument(configs[i]);
switch (param) {
case PIN_CONFIG_BIAS_PULL_UP:
dev_dbg(pctl->dev, " pullup\n");
regmap_write_bits(pctl->regmap,
(bank->id ?
PINMUX_PULLUP_CTRL1 :
PINMUX_PULLUP_CTRL0),
mask, mask);
break;
default:
dev_err(pctl->dev, "Property %u not supported\n",
param);
return -ENOTSUPP;
}
}
return 0;
}
static int lpc18xx_pconf_set(struct pinctrl_dev *pctldev, unsigned pin,
unsigned long *configs, unsigned num_configs)
{
struct lpc18xx_scu_data *scu = pinctrl_dev_get_drvdata(pctldev);
struct lpc18xx_pin_caps *pin_cap;
enum pin_config_param param;
u16 param_val;
u32 reg;
int ret;
int i;
pin_cap = lpc18xx_get_pin_caps(pin);
if (!pin_cap)
return -EINVAL;
reg = readl(scu->base + pin_cap->offset);
for (i = 0; i < num_configs; i++) {
param = pinconf_to_config_param(configs[i]);
param_val = pinconf_to_config_argument(configs[i]);
if (pin_cap->type == TYPE_I2C0)
ret = lpc18xx_pconf_set_i2c0(pctldev, param, param_val, ®, pin);
else if (pin_cap->type == TYPE_USB1)
ret = lpc18xx_pconf_set_usb1(pctldev, param, param_val, ®);
else
ret = lpc18xx_pconf_set_pin(pctldev, param, param_val, ®, pin_cap);
if (ret)
return ret;
}
writel(reg, scu->base + pin_cap->offset);
return 0;
}
static int pmic_mpp_config_set(struct pinctrl_dev *pctldev, unsigned int pin,
unsigned long *configs, unsigned nconfs)
{
struct pmic_mpp_state *state = pinctrl_dev_get_drvdata(pctldev);
struct pmic_mpp_pad *pad;
unsigned param, arg;
unsigned int val;
int i, ret;
pad = pctldev->desc->pins[pin].drv_data;
/* Make it possible to enable the pin, by not setting high impedance */
pad->is_enabled = true;
for (i = 0; i < nconfs; i++) {
param = pinconf_to_config_param(configs[i]);
arg = pinconf_to_config_argument(configs[i]);
switch (param) {
case PIN_CONFIG_BIAS_DISABLE:
pad->pullup = PMIC_MPP_PULL_UP_OPEN;
break;
case PIN_CONFIG_BIAS_PULL_UP:
switch (arg) {
case 600:
pad->pullup = PMIC_MPP_PULL_UP_0P6KOHM;
break;
case 10000:
pad->pullup = PMIC_MPP_PULL_UP_10KOHM;
break;
case 30000:
pad->pullup = PMIC_MPP_PULL_UP_30KOHM;
break;
default:
return -EINVAL;
}
break;
case PIN_CONFIG_BIAS_HIGH_IMPEDANCE:
pad->is_enabled = false;
break;
case PIN_CONFIG_POWER_SOURCE:
if (arg >= pad->num_sources)
return -EINVAL;
pad->power_source = arg;
break;
case PIN_CONFIG_INPUT_ENABLE:
pad->input_enabled = arg ? true : false;
break;
case PIN_CONFIG_OUTPUT:
pad->output_enabled = true;
pad->out_value = arg;
break;
case PMIC_MPP_CONF_DTEST_SELECTOR:
pad->dtest = arg;
break;
case PIN_CONFIG_DRIVE_STRENGTH:
arg = pad->drive_strength;
break;
case PMIC_MPP_CONF_AMUX_ROUTE:
if (arg >= PMIC_MPP_AMUX_ROUTE_ABUS4)
return -EINVAL;
pad->amux_input = arg;
break;
case PMIC_MPP_CONF_ANALOG_LEVEL:
pad->aout_level = arg;
break;
case PMIC_MPP_CONF_PAIRED:
pad->paired = !!arg;
break;
default:
return -EINVAL;
}
}
val = pad->power_source << PMIC_MPP_REG_VIN_SHIFT;
ret = pmic_mpp_write(state, pad, PMIC_MPP_REG_DIG_VIN_CTL, val);
if (ret < 0)
return ret;
val = pad->pullup << PMIC_MPP_REG_PULL_SHIFT;
ret = pmic_mpp_write(state, pad, PMIC_MPP_REG_DIG_PULL_CTL, val);
if (ret < 0)
return ret;
val = pad->amux_input & PMIC_MPP_REG_AIN_ROUTE_MASK;
ret = pmic_mpp_write(state, pad, PMIC_MPP_REG_AIN_CTL, val);
if (ret < 0)
return ret;
ret = pmic_mpp_write(state, pad, PMIC_MPP_REG_AOUT_CTL, pad->aout_level);
if (ret < 0)
return ret;
ret = pmic_mpp_write_mode_ctl(state, pad);
if (ret < 0)
return ret;
val = pad->is_enabled << PMIC_MPP_REG_MASTER_EN_SHIFT;
return pmic_mpp_write(state, pad, PMIC_MPP_REG_EN_CTL, val);
}
static int mrfld_config_get(struct pinctrl_dev *pctldev, unsigned int pin,
unsigned long *config)
{
struct mrfld_pinctrl *mp = pinctrl_dev_get_drvdata(pctldev);
enum pin_config_param param = pinconf_to_config_param(*config);
u32 value, term;
u16 arg = 0;
if (!mrfld_buf_available(mp, pin))
return -ENOTSUPP;
value = readl(mrfld_get_bufcfg(mp, pin));
term = (value & BUFCFG_PUPD_VAL_MASK) >> BUFCFG_PUPD_VAL_SHIFT;
switch (param) {
case PIN_CONFIG_BIAS_DISABLE:
if (value & BUFCFG_Px_EN_MASK)
return -EINVAL;
break;
case PIN_CONFIG_BIAS_PULL_UP:
if ((value & BUFCFG_Px_EN_MASK) != BUFCFG_PU_EN)
return -EINVAL;
switch (term) {
case BUFCFG_PUPD_VAL_910:
arg = 910;
break;
case BUFCFG_PUPD_VAL_2K:
arg = 2000;
break;
case BUFCFG_PUPD_VAL_20K:
arg = 20000;
break;
case BUFCFG_PUPD_VAL_50K:
arg = 50000;
break;
}
break;
case PIN_CONFIG_BIAS_PULL_DOWN:
if ((value & BUFCFG_Px_EN_MASK) != BUFCFG_PD_EN)
return -EINVAL;
switch (term) {
case BUFCFG_PUPD_VAL_910:
arg = 910;
break;
case BUFCFG_PUPD_VAL_2K:
arg = 2000;
break;
case BUFCFG_PUPD_VAL_20K:
arg = 20000;
break;
case BUFCFG_PUPD_VAL_50K:
arg = 50000;
break;
}
break;
case PIN_CONFIG_DRIVE_OPEN_DRAIN:
if (!(value & BUFCFG_OD_EN))
return -EINVAL;
break;
case PIN_CONFIG_SLEW_RATE:
if (!(value & BUFCFG_SLEWSEL))
arg = 0;
else
arg = 1;
break;
default:
return -ENOTSUPP;
}
*config = pinconf_to_config_packed(param, arg);
return 0;
}
static int mrfld_config_set_pin(struct mrfld_pinctrl *mp, unsigned int pin,
unsigned long config)
{
unsigned int param = pinconf_to_config_param(config);
unsigned int arg = pinconf_to_config_argument(config);
u32 bits = 0, mask = 0;
unsigned long flags;
switch (param) {
case PIN_CONFIG_BIAS_DISABLE:
mask |= BUFCFG_Px_EN_MASK | BUFCFG_PUPD_VAL_MASK;
break;
case PIN_CONFIG_BIAS_PULL_UP:
mask |= BUFCFG_Px_EN_MASK | BUFCFG_PUPD_VAL_MASK;
bits |= BUFCFG_PU_EN;
switch (arg) {
case 50000:
bits |= BUFCFG_PUPD_VAL_50K << BUFCFG_PUPD_VAL_SHIFT;
break;
case 20000:
bits |= BUFCFG_PUPD_VAL_20K << BUFCFG_PUPD_VAL_SHIFT;
break;
case 2000:
bits |= BUFCFG_PUPD_VAL_2K << BUFCFG_PUPD_VAL_SHIFT;
break;
default:
return -EINVAL;
}
break;
case PIN_CONFIG_BIAS_PULL_DOWN:
mask |= BUFCFG_Px_EN_MASK | BUFCFG_PUPD_VAL_MASK;
bits |= BUFCFG_PD_EN;
switch (arg) {
case 50000:
bits |= BUFCFG_PUPD_VAL_50K << BUFCFG_PUPD_VAL_SHIFT;
break;
case 20000:
bits |= BUFCFG_PUPD_VAL_20K << BUFCFG_PUPD_VAL_SHIFT;
break;
case 2000:
bits |= BUFCFG_PUPD_VAL_2K << BUFCFG_PUPD_VAL_SHIFT;
break;
default:
return -EINVAL;
}
break;
case PIN_CONFIG_DRIVE_OPEN_DRAIN:
mask |= BUFCFG_OD_EN;
if (arg)
bits |= BUFCFG_OD_EN;
break;
case PIN_CONFIG_SLEW_RATE:
mask |= BUFCFG_SLEWSEL;
if (arg)
bits |= BUFCFG_SLEWSEL;
break;
}
raw_spin_lock_irqsave(&mp->lock, flags);
mrfld_update_bufcfg(mp, pin, bits, mask);
raw_spin_unlock_irqrestore(&mp->lock, flags);
return 0;
}
static int zynq_pinconf_cfg_set(struct pinctrl_dev *pctldev,
unsigned pin,
unsigned long *configs,
unsigned num_configs)
{
int i, ret;
u32 reg;
u32 pullup = 0;
u32 tristate = 0;
struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
if (pin >= ZYNQ_NUM_MIOS)
return -ENOTSUPP;
ret = regmap_read(pctrl->syscon, pctrl->pctrl_offset + (4 * pin), ®);
if (ret)
return -EIO;
for (i = 0; i < num_configs; i++) {
unsigned int param = pinconf_to_config_param(configs[i]);
unsigned int arg = pinconf_to_config_argument(configs[i]);
switch (param) {
case PIN_CONFIG_BIAS_PULL_UP:
pullup = ZYNQ_PINCONF_PULLUP;
break;
case PIN_CONFIG_BIAS_HIGH_IMPEDANCE:
tristate = ZYNQ_PINCONF_TRISTATE;
break;
case PIN_CONFIG_BIAS_DISABLE:
reg &= ~(ZYNQ_PINCONF_PULLUP | ZYNQ_PINCONF_TRISTATE);
break;
case PIN_CONFIG_SLEW_RATE:
if (arg)
reg |= ZYNQ_PINCONF_SPEED;
else
reg &= ~ZYNQ_PINCONF_SPEED;
break;
case PIN_CONFIG_IOSTANDARD:
if (arg <= zynq_iostd_min || arg >= zynq_iostd_max) {
dev_warn(pctldev->dev,
"unsupported IO standard '%u'\n",
param);
break;
}
reg &= ~ZYNQ_PINCONF_IOTYPE_MASK;
reg |= arg << ZYNQ_PINCONF_IOTYPE_SHIFT;
break;
case PIN_CONFIG_LOW_POWER_MODE:
if (arg)
reg |= ZYNQ_PINCONF_DISABLE_RECVR;
else
reg &= ~ZYNQ_PINCONF_DISABLE_RECVR;
break;
default:
dev_warn(pctldev->dev,
"unsupported configuration parameter '%u'\n",
param);
continue;
}
}
if (tristate || pullup) {
reg &= ~(ZYNQ_PINCONF_PULLUP | ZYNQ_PINCONF_TRISTATE);
reg |= tristate | pullup;
}
ret = regmap_write(pctrl->syscon, pctrl->pctrl_offset + (4 * pin), reg);
if (ret)
return -EIO;
return 0;
}
static int meson_pinconf_set(struct pinctrl_dev *pcdev, unsigned int pin,
unsigned long *configs, unsigned num_configs)
{
struct meson_pinctrl *pc = pinctrl_dev_get_drvdata(pcdev);
struct meson_bank *bank;
enum pin_config_param param;
unsigned int reg, bit;
int i, ret;
ret = meson_get_bank(pc, pin, &bank);
if (ret)
return ret;
for (i = 0; i < num_configs; i++) {
param = pinconf_to_config_param(configs[i]);
switch (param) {
case PIN_CONFIG_BIAS_DISABLE:
dev_dbg(pc->dev, "pin %u: disable bias\n", pin);
meson_calc_reg_and_bit(bank, pin, REG_PULL, ®, &bit);
ret = regmap_update_bits(pc->reg_pull, reg,
BIT(bit), 0);
if (ret)
return ret;
break;
case PIN_CONFIG_BIAS_PULL_UP:
dev_dbg(pc->dev, "pin %u: enable pull-up\n", pin);
meson_calc_reg_and_bit(bank, pin, REG_PULLEN,
®, &bit);
ret = regmap_update_bits(pc->reg_pullen, reg,
BIT(bit), BIT(bit));
if (ret)
return ret;
meson_calc_reg_and_bit(bank, pin, REG_PULL, ®, &bit);
ret = regmap_update_bits(pc->reg_pull, reg,
BIT(bit), BIT(bit));
if (ret)
return ret;
break;
case PIN_CONFIG_BIAS_PULL_DOWN:
dev_dbg(pc->dev, "pin %u: enable pull-down\n", pin);
meson_calc_reg_and_bit(bank, pin, REG_PULLEN,
®, &bit);
ret = regmap_update_bits(pc->reg_pullen, reg,
BIT(bit), BIT(bit));
if (ret)
return ret;
meson_calc_reg_and_bit(bank, pin, REG_PULL, ®, &bit);
ret = regmap_update_bits(pc->reg_pull, reg,
BIT(bit), 0);
if (ret)
return ret;
break;
default:
return -ENOTSUPP;
}
}
return 0;
}
static int pmic_mpp_config_get(struct pinctrl_dev *pctldev,
unsigned int pin, unsigned long *config)
{
unsigned param = pinconf_to_config_param(*config);
struct pmic_mpp_pad *pad;
unsigned arg = 0;
pad = pctldev->desc->pins[pin].drv_data;
switch (param) {
case PIN_CONFIG_BIAS_DISABLE:
arg = pad->pullup == PMIC_MPP_PULL_UP_OPEN;
break;
case PIN_CONFIG_BIAS_PULL_UP:
switch (pad->pullup) {
case PMIC_MPP_PULL_UP_OPEN:
arg = 0;
break;
case PMIC_MPP_PULL_UP_0P6KOHM:
arg = 600;
break;
case PMIC_MPP_PULL_UP_10KOHM:
arg = 10000;
break;
case PMIC_MPP_PULL_UP_30KOHM:
arg = 30000;
break;
default:
return -EINVAL;
}
break;
case PIN_CONFIG_BIAS_HIGH_IMPEDANCE:
arg = !pad->is_enabled;
break;
case PIN_CONFIG_POWER_SOURCE:
arg = pad->power_source;
break;
case PIN_CONFIG_INPUT_ENABLE:
arg = pad->input_enabled;
break;
case PIN_CONFIG_OUTPUT:
arg = pad->out_value;
break;
case PMIC_MPP_CONF_DTEST_SELECTOR:
arg = pad->dtest;
break;
case PMIC_MPP_CONF_AMUX_ROUTE:
arg = pad->amux_input;
break;
case PMIC_MPP_CONF_PAIRED:
arg = pad->paired;
break;
case PIN_CONFIG_DRIVE_STRENGTH:
arg = pad->drive_strength;
break;
case PMIC_MPP_CONF_ANALOG_LEVEL:
arg = pad->aout_level;
break;
default:
return -EINVAL;
}
/* Convert register value to pinconf value */
*config = pinconf_to_config_packed(param, arg);
return 0;
}
