Add X1830 support in "ingenic_pinconf_get()", so that it can read the configuration of X1830 SoC correctly.
Signed-off-by: 周琰杰 (Zhou Yanjie) <[email protected]> --- Notes: v2: New patch. drivers/pinctrl/pinctrl-ingenic.c | 76 +++++++++++++++++++++++++++++---------- 1 file changed, 57 insertions(+), 19 deletions(-) diff --git a/drivers/pinctrl/pinctrl-ingenic.c b/drivers/pinctrl/pinctrl-ingenic.c index 05dfa0a..0a88aab 100644 --- a/drivers/pinctrl/pinctrl-ingenic.c +++ b/drivers/pinctrl/pinctrl-ingenic.c @@ -2109,31 +2109,69 @@ 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; + unsigned int bias; bool pull; - 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; - switch (param) { - case PIN_CONFIG_BIAS_DISABLE: - if (pull) - return -EINVAL; - break; + 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); - case PIN_CONFIG_BIAS_PULL_UP: - if (!pull || !(jzpc->info->pull_ups[offt] & BIT(idx))) - return -EINVAL; - break; + bias = (bias >> idxh) & 3; - case PIN_CONFIG_BIAS_PULL_DOWN: - if (!pull || !(jzpc->info->pull_downs[offt] & BIT(idx))) - return -EINVAL; - break; + switch (param) { + case PIN_CONFIG_BIAS_DISABLE: + if (bias) + return -EINVAL; + break; - default: - return -ENOTSUPP; + case PIN_CONFIG_BIAS_PULL_UP: + if ((bias != PIN_CONFIG_BIAS_PULL_UP) || + !(jzpc->info->pull_ups[offt] & BIT(idx))) + return -EINVAL; + break; + + case PIN_CONFIG_BIAS_PULL_DOWN: + if ((bias != PIN_CONFIG_BIAS_PULL_DOWN) || + !(jzpc->info->pull_downs[offt] & BIT(idx))) + return -EINVAL; + break; + + default: + return -ENOTSUPP; + } + + } 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); + + switch (param) { + case PIN_CONFIG_BIAS_DISABLE: + if (pull) + return -EINVAL; + break; + + case PIN_CONFIG_BIAS_PULL_UP: + if (!pull || !(jzpc->info->pull_ups[offt] & BIT(idx))) + return -EINVAL; + break; + + case PIN_CONFIG_BIAS_PULL_DOWN: + if (!pull || !(jzpc->info->pull_downs[offt] & BIT(idx))) + return -EINVAL; + break; + + default: + return -ENOTSUPP; + } } *config = pinconf_to_config_packed(param, 1); -- 2.7.4
