diff options
Diffstat (limited to 'drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h')
| -rw-r--r-- | drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h index a6f1bdb2083b..23688ca6d04e 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h @@ -17,6 +17,22 @@ #define MTK_ENABLE 1 #define MTK_PULLDOWN 0 #define MTK_PULLUP 1 +#define MTK_PULL_PU_PD_TYPE BIT(0) +#define MTK_PULL_PULLSEL_TYPE BIT(1) +#define MTK_PULL_PUPD_R1R0_TYPE BIT(2) +/* MTK_PULL_RSEL_TYPE can select resistance and can be + * turned on/off itself. But it can't be selected pull up/down + */ +#define MTK_PULL_RSEL_TYPE BIT(3) +/* MTK_PULL_PU_PD_RSEL_TYPE is a type which is controlled by + * MTK_PULL_PU_PD_TYPE and MTK_PULL_RSEL_TYPE. + */ +#define MTK_PULL_PU_PD_RSEL_TYPE (MTK_PULL_PU_PD_TYPE \ + | MTK_PULL_RSEL_TYPE) +#define MTK_PULL_TYPE_MASK (MTK_PULL_PU_PD_TYPE |\ + MTK_PULL_PULLSEL_TYPE |\ + MTK_PULL_PUPD_R1R0_TYPE |\ + MTK_PULL_RSEL_TYPE) #define EINT_NA U16_MAX #define NO_EINT_SUPPORT EINT_NA @@ -42,6 +58,14 @@ PIN_FIELD_CALC(_s_pin, _e_pin, 0, _s_addr, _x_addrs, _s_bit, \ _x_bits, 32, 1) +#define PIN_RSEL(_s_pin, _e_pin, _rsel_index, _up_resl, _down_rsel) { \ + .s_pin = _s_pin, \ + .e_pin = _e_pin, \ + .rsel_index = _rsel_index, \ + .up_rsel = _up_resl, \ + .down_rsel = _down_rsel, \ + } + /* List these attributes which could be modified for the pin */ enum { PINCTRL_PIN_REG_MODE, @@ -67,6 +91,7 @@ enum { PINCTRL_PIN_REG_DRV_E0, PINCTRL_PIN_REG_DRV_E1, PINCTRL_PIN_REG_DRV_ADV, + PINCTRL_PIN_REG_RSEL, PINCTRL_PIN_REG_MAX, }; @@ -129,6 +154,22 @@ struct mtk_pin_field_calc { u8 fixed; }; +/** + * struct mtk_pin_rsel - the structure that provides bias resistance selection. + * @s_pin: the start pin within the rsel range + * @e_pin: the end pin within the rsel range + * @rsel_index: the rsel bias resistance index + * @up_rsel: the pullup rsel bias resistance value + * @down_rsel: the pulldown rsel bias resistance value + */ +struct mtk_pin_rsel { + u16 s_pin; + u16 e_pin; + u16 rsel_index; + u32 up_rsel; + u32 down_rsel; +}; + /* struct mtk_pin_reg_calc - the structure that holds all ranges used to * determine which register the pin would make use of * for certain pin attribute. @@ -206,6 +247,9 @@ struct mtk_pin_soc { bool ies_present; const char * const *base_names; unsigned int nbase_names; + const unsigned int *pull_type; + const struct mtk_pin_rsel *pin_rsel; + unsigned int npin_rsel; /* Specific pinconfig operations */ int (*bias_disable_set)(struct mtk_pinctrl *hw, @@ -254,6 +298,8 @@ struct mtk_pinctrl { const char **grp_names; /* lock pin's register resource to avoid multiple threads issue*/ spinlock_t lock; + /* identify rsel setting by si unit or rsel define in dts node */ + bool rsel_si_unit; }; void mtk_rmw(struct mtk_pinctrl *pctl, u8 i, u32 reg, u32 mask, u32 set); |