@@ -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) {
Add X1830 support in "ingenic_pinconf_get()", so that it can read the configuration of X1830 SoC correctly. Fixes: d7da2a1e4e08 ("pinctrl: Ingenic: Add pinctrl driver for X1830.") Cc: <stable@vger.kernel.org> Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Paul Cercueil <paul@crapouillou.net> --- Notes: v2: New patch. v2->v3: 1.Add fixes tag. 2.Adjust the code, simplify the ingenic_pinconf_get() function. v3->v4: 1.Add parentheses around the '%' to make it more obvious. 2.Add Cc: <stable@vger.kernel.org>. 3.Add Andy Shevchenko's Reviewed-by. 4.Add Paul Cercueil's Reviewed-by. drivers/pinctrl/pinctrl-ingenic.c | 40 ++++++++++++++++++++++++++++++--------- 1 file changed, 31 insertions(+), 9 deletions(-)