pinctrl: mediatek: add ies register support to pinctrl-mtk-common-v2.c
Certain SoCs have to program an extra IES register to configure input
enabled mode so that we add it in the existing path as an option.
Signed-off-by: Ryder.Lee <ryder.lee@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/mediatek/pinctrl-moore.c b/drivers/pinctrl/mediatek/pinctrl-moore.c
index 4009329..219cfce 100644
--- a/drivers/pinctrl/mediatek/pinctrl-moore.c
+++ b/drivers/pinctrl/mediatek/pinctrl-moore.c
@@ -244,15 +244,27 @@
MTK_DISABLE);
if (err)
goto err;
- /* else: fall through */
- case PIN_CONFIG_INPUT_ENABLE:
- case PIN_CONFIG_SLEW_RATE:
- reg = (param == PIN_CONFIG_SLEW_RATE) ?
- PINCTRL_PIN_REG_SR : PINCTRL_PIN_REG_DIR;
- arg = (param == PIN_CONFIG_INPUT_ENABLE) ? 0 :
- (param == PIN_CONFIG_OUTPUT_ENABLE) ? 1 : arg;
- err = mtk_hw_set_value(hw, pin, reg, arg);
+ err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_DIR,
+ MTK_OUTPUT);
+ if (err)
+ goto err;
+ break;
+ case PIN_CONFIG_INPUT_ENABLE:
+
+ if (hw->soc->ies_present) {
+ mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_IES,
+ MTK_ENABLE);
+ }
+
+ err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_DIR,
+ MTK_INPUT);
+ if (err)
+ goto err;
+ break;
+ case PIN_CONFIG_SLEW_RATE:
+ err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_SR,
+ arg);
if (err)
goto err;
diff --git a/drivers/pinctrl/mediatek/pinctrl-mt7622.c b/drivers/pinctrl/mediatek/pinctrl-mt7622.c
index 9a5b13a..9ac36ab 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mt7622.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mt7622.c
@@ -767,6 +767,7 @@
.eint_hw = &mt7622_eint_hw,
.gpio_m = 1,
.eint_m = 1,
+ .ies_present = false,
.bias_disable_set = mtk_pinconf_bias_disable_set,
.bias_disable_get = mtk_pinconf_bias_disable_get,
.bias_set = mtk_pinconf_bias_set,
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h
index ce364a1..b01dbd8 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h
@@ -54,6 +54,7 @@
PINCTRL_PIN_REG_PUPD,
PINCTRL_PIN_REG_R0,
PINCTRL_PIN_REG_R1,
+ PINCTRL_PIN_REG_IES,
PINCTRL_PIN_REG_MAX,
};
@@ -151,6 +152,7 @@
/* Specific parameters per SoC */
u8 gpio_m;
u8 eint_m;
+ bool ies_present;
/* Specific pinconfig operations */
int (*bias_disable_set)(struct mtk_pinctrl *hw,