static int axp_pmx_get_function_groups(struct pinctrl_dev *pctldev,
unsigned function,
const char * const **groups,
unsigned * const num_groups)
{
struct axp_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
*groups = pctl->functions[function].groups;
*num_groups = pctl->functions[function].ngroups;
return 0;
}
static int axp_pinctrl_get_group_pins(struct pinctrl_dev *pctldev,
unsigned selector,
const unsigned **pins,
unsigned *num_pins)
{
struct axp_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
*pins = (unsigned *)&pctl->groups[selector].pin;
*num_pins = 1;
return 0;
}
static int oxnas_pinmux_get_function_groups(struct pinctrl_dev *pctldev,
unsigned int func,
const char * const **groups,
unsigned int * const num_groups)
{
struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
*groups = pctl->functions[func].groups;
*num_groups = pctl->functions[func].ngroups;
return 0;
}
static int cygnus_get_function_groups(struct pinctrl_dev *pctrl_dev,
unsigned selector,
const char * const **groups,
unsigned * const num_groups)
{
struct cygnus_pinctrl *pinctrl = pinctrl_dev_get_drvdata(pctrl_dev);
*groups = pinctrl->functions[selector].groups;
*num_groups = pinctrl->functions[selector].num_groups;
return 0;
}
static int ns_pinctrl_get_group_pins(struct pinctrl_dev *pctrl_dev,
unsigned int selector,
const unsigned int **pins,
unsigned int *num_pins)
{
struct ns_pinctrl *ns_pinctrl = pinctrl_dev_get_drvdata(pctrl_dev);
*pins = ns_pinctrl->groups[selector].pins;
*num_pins = ns_pinctrl->groups[selector].num_pins;
return 0;
}
static int sh_pfc_get_function_groups(struct pinctrl_dev *pctldev,
unsigned selector,
const char * const **groups,
unsigned * const num_groups)
{
struct sh_pfc_pinctrl *pmx = pinctrl_dev_get_drvdata(pctldev);
*groups = pmx->pfc->info->functions[selector].groups;
*num_groups = pmx->pfc->info->functions[selector].nr_groups;
return 0;
}
static int lpc18xx_pmx_get_func_groups(struct pinctrl_dev *pctldev,
unsigned function,
const char *const **groups,
unsigned *const num_groups)
{
struct lpc18xx_scu_data *scu = pinctrl_dev_get_drvdata(pctldev);
*groups = scu->func[function].groups;
*num_groups = scu->func[function].ngroups;
return 0;
}
static int wmt_get_group_pins(struct pinctrl_dev *pctldev,
unsigned selector,
const unsigned **pins,
unsigned *num_pins)
{
struct wmt_pinctrl_data *data = pinctrl_dev_get_drvdata(pctldev);
*pins = &data->pins[selector].number;
*num_pins = 1;
return 0;
}
static int oxnas_pinctrl_get_group_pins(struct pinctrl_dev *pctldev,
unsigned int group,
const unsigned int **pins,
unsigned int *num_pins)
{
struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
*pins = &pctl->groups[group].pin;
*num_pins = 1;
return 0;
}
static int zynq_pctrl_get_group_pins(struct pinctrl_dev *pctldev,
unsigned selector,
const unsigned **pins,
unsigned *num_pins)
{
struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
*pins = pctrl->groups[selector].pins;
*num_pins = pctrl->groups[selector].npins;
return 0;
}
static int tegra_pinctrl_get_group_pins(struct pinctrl_dev *pctldev,
unsigned group,
const unsigned **pins,
unsigned *num_pins)
{
struct tegra_pmx *pmx = pinctrl_dev_get_drvdata(pctldev);
*pins = pmx->soc->groups[group].pins;
*num_pins = pmx->soc->groups[group].npins;
return 0;
}
static int imx_pmx_get_groups(struct pinctrl_dev *pctldev, unsigned selector,
const char * const **groups,
unsigned * const num_groups)
{
struct imx_pinctrl *ipctl = pinctrl_dev_get_drvdata(pctldev);
const struct imx_pinctrl_soc_info *info = ipctl->info;
*groups = info->functions[selector].groups;
*num_groups = info->functions[selector].num_groups;
return 0;
}
static int mxs_pinctrl_get_func_groups(struct pinctrl_dev *pctldev,
unsigned group,
const char * const **groups,
unsigned * const num_groups)
{
struct mxs_pinctrl_data *d = pinctrl_dev_get_drvdata(pctldev);
*groups = d->soc->functions[group].groups;
*num_groups = d->soc->functions[group].ngroups;
return 0;
}
static int nmk_pmx_get_func_groups(struct pinctrl_dev *pctldev,
unsigned function,
const char * const **groups,
unsigned * const num_groups)
{
struct nmk_pinctrl *npct = pinctrl_dev_get_drvdata(pctldev);
*groups = npct->soc->functions[function].groups;
*num_groups = npct->soc->functions[function].ngroups;
return 0;
}
static int pxa3xx_get_group_pins(struct pinctrl_dev *pctrldev,
unsigned selector,
const unsigned **pins,
unsigned *num_pins)
{
struct pxa3xx_pinmux_info *info = pinctrl_dev_get_drvdata(pctrldev);
if (selector >= info->num_grps)
return -EINVAL;
*pins = info->grps[selector].pins;
*num_pins = info->grps[selector].npins;
return 0;
}
static int wmt_pmx_gpio_set_direction(struct pinctrl_dev *pctldev,
struct pinctrl_gpio_range *range,
unsigned offset,
bool input)
{
struct wmt_pinctrl_data *data = pinctrl_dev_get_drvdata(pctldev);
wmt_set_pinmux(data, (input ? WMT_FSEL_GPIO_IN : WMT_FSEL_GPIO_OUT),
offset);
return 0;
}
static int imx1_pmx_enable(struct pinctrl_dev *pctldev, unsigned selector,
unsigned group)
{
struct imx1_pinctrl *ipctl = pinctrl_dev_get_drvdata(pctldev);
const struct imx1_pinctrl_soc_info *info = ipctl->info;
const struct imx1_pin *pins;
unsigned int npins;
int i;
/*
* Configure the mux mode for each pin in the group for a specific
* function.
*/
pins = info->groups[group].pins;
npins = info->groups[group].npins;
WARN_ON(!pins || !npins);
dev_dbg(ipctl->dev, "enable function %s group %s\n",
info->functions[selector].name, info->groups[group].name);
for (i = 0; i < npins; i++) {
unsigned int mux = pins[i].mux_id;
unsigned int pin_id = pins[i].pin_id;
unsigned int afunction = MX1_MUX_FUNCTION(mux);
unsigned int gpio_in_use = MX1_MUX_GPIO(mux);
unsigned int direction = MX1_MUX_DIR(mux);
unsigned int gpio_oconf = MX1_MUX_OCONF(mux);
unsigned int gpio_iconfa = MX1_MUX_ICONFA(mux);
unsigned int gpio_iconfb = MX1_MUX_ICONFB(mux);
dev_dbg(pctldev->dev, "%s, pin 0x%x, function %d, gpio %d, direction %d, oconf %d, iconfa %d, iconfb %d\n",
__func__, pin_id, afunction, gpio_in_use,
direction, gpio_oconf, gpio_iconfa,
gpio_iconfb);
imx1_write_bit(ipctl, pin_id, gpio_in_use, MX1_GIUS);
imx1_write_bit(ipctl, pin_id, direction, MX1_DDIR);
if (gpio_in_use) {
imx1_write_2bit(ipctl, pin_id, gpio_oconf, MX1_OCR);
imx1_write_2bit(ipctl, pin_id, gpio_iconfa,
MX1_ICONFA);
imx1_write_2bit(ipctl, pin_id, gpio_iconfb,
MX1_ICONFB);
} else {
imx1_write_bit(ipctl, pin_id, afunction, MX1_GPR);
}
}
return 0;
}
static int wmt_pmx_get_function_groups(struct pinctrl_dev *pctldev,
unsigned selector,
const char * const **groups,
unsigned * const num_groups)
{
struct wmt_pinctrl_data *data = pinctrl_dev_get_drvdata(pctldev);
/* every pin does every function */
*groups = data->groups;
*num_groups = data->ngroups;
return 0;
}
static void imx1_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s,
unsigned offset)
{
struct imx1_pinctrl *ipctl = pinctrl_dev_get_drvdata(pctldev);
seq_printf(s, "GPIO %d, function %d, direction %d, oconf %d, iconfa %d, iconfb %d",
imx1_read_bit(ipctl, offset, MX1_GIUS),
imx1_read_bit(ipctl, offset, MX1_GPR),
imx1_read_bit(ipctl, offset, MX1_DDIR),
imx1_read_2bit(ipctl, offset, MX1_OCR),
imx1_read_2bit(ipctl, offset, MX1_ICONFA),
imx1_read_2bit(ipctl, offset, MX1_ICONFB));
}
static int sprd_pmx_get_function_groups(struct pinctrl_dev *pctldev,
unsigned int selector,
const char * const **groups,
unsigned int * const num_groups)
{
struct sprd_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
struct sprd_pinctrl_soc_info *info = pctl->info;
*groups = info->grp_names;
*num_groups = info->ngroups;
return 0;
}
static int imx_pmx_enable(struct pinctrl_dev *pctldev, unsigned selector,
unsigned group)
{
struct imx_pinctrl *ipctl = pinctrl_dev_get_drvdata(pctldev);
const struct imx_pinctrl_soc_info *info = ipctl->info;
const struct imx_pin_reg *pin_reg;
const unsigned *pins, *mux;
unsigned int npins, pin_id;
int i;
/*
* Configure the mux mode for each pin in the group for a specific
* function.
*/
pins = info->groups[group].pins;
npins = info->groups[group].npins;
mux = info->groups[group].mux_mode;
WARN_ON(!pins || !npins || !mux);
dev_dbg(ipctl->dev, "enable function %s group %s\n",
info->functions[selector].name, info->groups[group].name);
for (i = 0; i < npins; i++) {
pin_id = pins[i];
pin_reg = imx_find_pin_reg(info, pin_id, 1, mux[i]);
if (!pin_reg)
return -EINVAL;
if (!pin_reg->mux_reg) {
dev_err(ipctl->dev, "Pin(%s) does not support mux function\n",
info->pins[pin_id].name);
return -EINVAL;
}
writel(mux[i], ipctl->base + pin_reg->mux_reg);
dev_dbg(ipctl->dev, "write: offset 0x%x val 0x%x\n",
pin_reg->mux_reg, mux[i]);
/* some pins also need select input setting, set it if found */
if (pin_reg->input_reg) {
writel(pin_reg->input_val, ipctl->base + pin_reg->input_reg);
dev_dbg(ipctl->dev,
"==>select_input: offset 0x%x val 0x%x\n",
pin_reg->input_reg, pin_reg->input_val);
}
}
return 0;
}
static const char *hi6402_get_group_name(struct pinctrl_dev *pctldev,
unsigned selector)
{
struct hi6402_pinctrl_device *pindev;
pindev = pinctrl_dev_get_drvdata(pctldev);
if (!(&pindev->pin_groups[selector])) {
dev_err(pindev->dev, "%s could not find pingroup%i\n",
__func__, selector);
return NULL;
}
return pindev->pin_groups[selector].name;
}
/* --------- pinconf related code --------- */
static int xway_pinconf_get(struct pinctrl_dev *pctldev,
unsigned pin,
unsigned long *config)
{
struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctldev);
enum ltq_pinconf_param param = LTQ_PINCONF_UNPACK_PARAM(*config);
int port = PORT(pin);
u32 reg;
switch (param) {
case LTQ_PINCONF_PARAM_OPEN_DRAIN:
if (port == PORT3)
reg = GPIO3_OD;
else
reg = GPIO_OD(pin);
*config = LTQ_PINCONF_PACK(param,
!gpio_getbit(info->membase[0], reg, PORT_PIN(pin)));
break;
case LTQ_PINCONF_PARAM_PULL:
if (port == PORT3)
reg = GPIO3_PUDEN;
else
reg = GPIO_PUDEN(pin);
if (!gpio_getbit(info->membase[0], reg, PORT_PIN(pin))) {
*config = LTQ_PINCONF_PACK(param, 0);
break;
}
if (port == PORT3)
reg = GPIO3_PUDSEL;
else
reg = GPIO_PUDSEL(pin);
if (!gpio_getbit(info->membase[0], reg, PORT_PIN(pin)))
*config = LTQ_PINCONF_PACK(param, 2);
else
*config = LTQ_PINCONF_PACK(param, 1);
break;
case LTQ_PINCONF_PARAM_OUTPUT:
reg = GPIO_DIR(pin);
*config = LTQ_PINCONF_PACK(param,
gpio_getbit(info->membase[0], reg, PORT_PIN(pin)));
break;
default:
dev_err(pctldev->dev, "Invalid config param %04x\n", param);
return -ENOTSUPP;
}
return 0;
}
static void nmk_pmx_disable(struct pinctrl_dev *pctldev,
unsigned function, unsigned group)
{
struct nmk_pinctrl *npct = pinctrl_dev_get_drvdata(pctldev);
const struct nmk_pingroup *g;
g = &npct->soc->groups[group];
if (g->altsetting < 0)
return;
/* Poke out the mux, set the pin to some default state? */
dev_dbg(npct->dev, "disable group %s, %u pins\n", g->name, g->npins);
}
static int amlogic_gpio_request_enable(struct pinctrl_dev *pctldev,
struct pinctrl_gpio_range *range,
unsigned offset)
{
struct pin_desc *desc;
struct amlogic_pmx *pmx = pinctrl_dev_get_drvdata(pctldev);
desc = pin_desc_get(pctldev, offset);
if (desc->mux_owner) {
pr_info("%s is using the pin %s as pinmux\n",
desc->mux_owner, desc->name);
return -EINVAL;
}
return pmx->soc->meson_clear_pinmux(pmx, offset);
}
static void sh_pfc_gpio_disable_free(struct pinctrl_dev *pctldev,
struct pinctrl_gpio_range *range,
unsigned offset)
{
struct sh_pfc_pinctrl *pmx = pinctrl_dev_get_drvdata(pctldev);
struct sh_pfc *pfc = pmx->pfc;
int idx = sh_pfc_get_pin_index(pfc, offset);
struct sh_pfc_pin_config *cfg = &pmx->configs[idx];
unsigned long flags;
spin_lock_irqsave(&pfc->lock, flags);
cfg->type = PINMUX_TYPE_NONE;
spin_unlock_irqrestore(&pfc->lock, flags);
}
static int oxnas_pinmux_enable(struct pinctrl_dev *pctldev,
unsigned int func, unsigned int group)
{
struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
const struct oxnas_pin_group *pg = &pctl->groups[group];
const struct oxnas_function *pf = &pctl->functions[func];
const char *fname = pf->name;
struct oxnas_desc_function *functions = pg->functions;
u32 mask = BIT(pg->pin);
while (functions->name) {
if (!strcmp(functions->name, fname)) {
dev_dbg(pctl->dev,
"setting function %s bank %d pin %d fct %d mask %x\n",
fname, pg->bank, pg->pin,
functions->fct, mask);
regmap_write_bits(pctl->regmap,
(pg->bank ?
PINMUX_PRIMARY_SEL1 :
PINMUX_PRIMARY_SEL0),
mask,
(functions->fct == 1 ?
mask : 0));
regmap_write_bits(pctl->regmap,
(pg->bank ?
PINMUX_SECONDARY_SEL1 :
PINMUX_SECONDARY_SEL0),
mask,
(functions->fct == 2 ?
mask : 0));
regmap_write_bits(pctl->regmap,
(pg->bank ?
PINMUX_TERTIARY_SEL1 :
PINMUX_TERTIARY_SEL0),
mask,
(functions->fct == 3 ?
mask : 0));
return 0;
}
functions++;
}
dev_err(pctl->dev, "cannot mux pin %u to function %u\n", group, func);
return -EINVAL;
}
static int imx_get_group_pins(struct pinctrl_dev *pctldev, unsigned selector,
const unsigned **pins,
unsigned *npins)
{
struct imx_pinctrl *ipctl = pinctrl_dev_get_drvdata(pctldev);
const struct imx_pinctrl_soc_info *info = ipctl->info;
if (selector >= info->ngroups)
return -EINVAL;
*pins = info->groups[selector].pins;
*npins = info->groups[selector].npins;
return 0;
}
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 zynq_pinmux_set_mux(struct pinctrl_dev *pctldev,
unsigned function,
unsigned group)
{
int i, ret;
struct zynq_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
const struct zynq_pctrl_group *pgrp = &pctrl->groups[group];
const struct zynq_pinmux_function *func = &pctrl->funcs[function];
/*
* SD WP & CD are special. They have dedicated registers
* to mux them in
*/
if (function == ZYNQ_PMUX_sdio0_cd || function == ZYNQ_PMUX_sdio0_wp ||
function == ZYNQ_PMUX_sdio1_cd ||
function == ZYNQ_PMUX_sdio1_wp) {
u32 reg;
ret = regmap_read(pctrl->syscon,
pctrl->pctrl_offset + func->mux, ®);
if (ret)
return ret;
reg &= ~func->mux_mask;
reg |= pgrp->pins[0] << func->mux_shift;
ret = regmap_write(pctrl->syscon,
pctrl->pctrl_offset + func->mux, reg);
if (ret)
return ret;
} else {
for (i = 0; i < pgrp->npins; i++) {
unsigned int pin = pgrp->pins[i];
u32 reg, addr = pctrl->pctrl_offset + (4 * pin);
ret = regmap_read(pctrl->syscon, addr, ®);
if (ret)
return ret;
reg &= ~ZYNQ_PINMUX_MUX_MASK;
reg |= func->mux_val << ZYNQ_PINMUX_MUX_SHIFT;
ret = regmap_write(pctrl->syscon, addr, reg);
if (ret)
return ret;
}
}
return 0;
}
