diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-ingenic.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-ingenic.c | 40 |
1 files changed, 31 insertions, 9 deletions
diff --git a/drivers/pinctrl/pinctrl-ingenic.c b/drivers/pinctrl/pinctrl-ingenic.c index f15ef814b75a..02729da8abd6 100644 --- a/drivers/pinctrl/pinctrl-ingenic.c +++ b/drivers/pinctrl/pinctrl-ingenic.c @@ -2109,26 +2109,48 @@ static int ingenic_pinconf_get(struct pinctrl_dev *pctldev, enum pin_config_param param = pinconf_to_config_param(*config); unsigned int idx = pin % PINS_PER_GPIO_CHIP; unsigned int offt = pin / PINS_PER_GPIO_CHIP; - bool pull; + unsigned int bias; + bool pull, pullup, pulldown; - if (jzpc->info->version >= ID_JZ4770) - pull = !ingenic_get_pin_config(jzpc, pin, JZ4770_GPIO_PEN); - else - pull = !ingenic_get_pin_config(jzpc, pin, JZ4740_GPIO_PULL_DIS); + if (jzpc->info->version >= ID_X1830) { + unsigned int half = PINS_PER_GPIO_CHIP / 2; + unsigned int idxh = (pin % half) * 2; + + if (idx < half) + regmap_read(jzpc->map, offt * jzpc->info->reg_offset + + X1830_GPIO_PEL, &bias); + else + regmap_read(jzpc->map, offt * jzpc->info->reg_offset + + X1830_GPIO_PEH, &bias); + + bias = (bias >> idxh) & (GPIO_PULL_UP | GPIO_PULL_DOWN); + + pullup = (bias == GPIO_PULL_UP) && (jzpc->info->pull_ups[offt] & BIT(idx)); + pulldown = (bias == GPIO_PULL_DOWN) && (jzpc->info->pull_downs[offt] & BIT(idx)); + + } else { + if (jzpc->info->version >= ID_JZ4770) + pull = !ingenic_get_pin_config(jzpc, pin, JZ4770_GPIO_PEN); + else + pull = !ingenic_get_pin_config(jzpc, pin, JZ4740_GPIO_PULL_DIS); + + pullup = pull && (jzpc->info->pull_ups[offt] & BIT(idx)); + pulldown = pull && (jzpc->info->pull_downs[offt] & BIT(idx)); + } switch (param) { case PIN_CONFIG_BIAS_DISABLE: - if (pull) + if (pullup || pulldown) return -EINVAL; break; case PIN_CONFIG_BIAS_PULL_UP: - if (!pull || !(jzpc->info->pull_ups[offt] & BIT(idx))) + if (!pullup) return -EINVAL; break; case PIN_CONFIG_BIAS_PULL_DOWN: - if (!pull || !(jzpc->info->pull_downs[offt] & BIT(idx))) + if (!pulldown) return -EINVAL; break; @@ -2146,7 +2168,7 @@ static void ingenic_set_bias(struct ingenic_pinctrl *jzpc, if (jzpc->info->version >= ID_X1830) { unsigned int idx = pin % PINS_PER_GPIO_CHIP; unsigned int half = PINS_PER_GPIO_CHIP / 2; - unsigned int idxh = pin % half * 2; + unsigned int idxh = (pin % half) * 2; unsigned int offt = pin / PINS_PER_GPIO_CHIP; if (idx < half) { |