[PATCH 10/16] pinctrl: mediatek: add ies register support to pinctrl-mtk-common-v2.c
From: sean.wang@mediatek.com (sean.wang at mediatek.com)
Date: 2018-08-27 10:10:09
Also in:
linux-gpio, linux-mediatek
Subsystem:
pin control subsystem, pin controller - mediatek, the rest · Maintainers:
Linus Walleij, Sean Wang, Linus Torvalds
From: Sean Wang <sean.wang@mediatek.com> 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> --- drivers/pinctrl/mediatek/pinctrl-moore.c | 26 +++++++++++++++++------- drivers/pinctrl/mediatek/pinctrl-mt7622.c | 1 + drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h | 2 ++ 3 files changed, 22 insertions(+), 7 deletions(-)
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 @@ static int mtk_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, MTK_DISABLE); if (err) goto err; - /* else: fall through */ + + err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_DIR, + MTK_OUTPUT); + if (err) + goto err; + break; 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); + 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 @@ static const struct mtk_pin_soc mt7622_data = { .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 fa736c5..5133628 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h@@ -54,6 +54,7 @@ enum { PINCTRL_PIN_REG_PUPD, PINCTRL_PIN_REG_R0, PINCTRL_PIN_REG_R1, + PINCTRL_PIN_REG_IES, PINCTRL_PIN_REG_MAX, };
@@ -151,6 +152,7 @@ struct mtk_pin_soc { /* Specific parameters per SoC */ u8 gpio_m; u8 eint_m; + bool ies_present; /* Specific pinconfig operations */ int (*bias_disable_set)(struct mtk_pinctrl *hw,
--
2.7.4