diff options
Diffstat (limited to 'drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h')
| -rw-r--r-- | drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h | 60 |
1 files changed, 58 insertions, 2 deletions
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h index 27df08736396..fa7c0ed49346 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h @@ -17,6 +17,23 @@ #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) +#define MTK_PULL_PD_TYPE BIT(4) +/* 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 +59,14 @@ 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, @@ -66,6 +91,8 @@ enum { PINCTRL_PIN_REG_DRV_EN, PINCTRL_PIN_REG_DRV_E0, PINCTRL_PIN_REG_DRV_E1, + PINCTRL_PIN_REG_DRV_ADV, + PINCTRL_PIN_REG_RSEL, PINCTRL_PIN_REG_MAX, }; @@ -80,7 +107,7 @@ enum { DRV_GRP_MAX, }; -static const char * const mtk_default_register_base_names[] = { +static const char * const mtk_default_register_base_names[] __maybe_unused = { "base", }; @@ -128,6 +155,22 @@ 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. @@ -195,16 +238,20 @@ struct mtk_pin_soc { unsigned int npins; const struct group_desc *grps; unsigned int ngrps; - const struct function_desc *funcs; + const struct pinfunction *funcs; unsigned int nfuncs; const struct mtk_eint_regs *eint_regs; const struct mtk_eint_hw *eint_hw; + struct mtk_eint_pin *eint_pin; /* Specific parameters per SoC */ u8 gpio_m; 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, @@ -251,6 +298,10 @@ struct mtk_pinctrl { struct mtk_eint *eint; struct mtk_pinctrl_group *groups; 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); @@ -314,5 +365,10 @@ int mtk_pinconf_adv_drive_set(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, u32 arg); int mtk_pinconf_adv_drive_get(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, u32 *val); +int mtk_pinconf_adv_drive_set_raw(struct mtk_pinctrl *hw, + const struct mtk_pin_desc *desc, u32 arg); +int mtk_pinconf_adv_drive_get_raw(struct mtk_pinctrl *hw, + const struct mtk_pin_desc *desc, u32 *val); +bool mtk_is_virt_gpio(struct mtk_pinctrl *hw, unsigned int gpio_n); #endif /* __PINCTRL_MTK_COMMON_V2_H */ |