diff options
Diffstat (limited to 'drivers/pinctrl/aspeed/pinctrl-aspeed.h')
| -rw-r--r-- | drivers/pinctrl/aspeed/pinctrl-aspeed.h | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed.h b/drivers/pinctrl/aspeed/pinctrl-aspeed.h index 3e72ef8c54bf..0e93cbf2ff33 100644 --- a/drivers/pinctrl/aspeed/pinctrl-aspeed.h +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed.h @@ -232,6 +232,11 @@ * group. */ +#define ASPEED_IP_SCU 0 +#define ASPEED_IP_GFX 1 +#define ASPEED_IP_LPC 2 +#define ASPEED_NR_PINMUX_IPS 3 + /* * The "Multi-function Pins Mapping and Control" table in the SoC datasheet * references registers by the device/offset mnemonic. The register macros @@ -261,7 +266,9 @@ * A signal descriptor, which describes the register, bits and the * enable/disable values that should be compared or written. * - * @reg: The register offset from base in bytes + * @ip: The IP block identifier, used as an index into the regmap array in + * struct aspeed_pinctrl_data + * @reg: The register offset with respect to the base address of the IP block * @mask: The mask to apply to the register. The lowest set bit of the mask is * used to derive the shift value. * @enable: The value that enables the function. Value should be in the LSBs, @@ -270,6 +277,7 @@ * LSBs, not at the position of the mask. */ struct aspeed_sig_desc { + unsigned int ip; unsigned int reg; u32 mask; u32 enable; @@ -313,24 +321,30 @@ struct aspeed_pin_desc { /* Macro hell */ +#define SIG_DESC_IP_BIT(ip, reg, idx, val) \ + { ip, reg, BIT_MASK(idx), val, (((val) + 1) & 1) } + /** - * Short-hand macro for describing a configuration enabled by the state of one - * bit. The disable value is derived. + * Short-hand macro for describing an SCU descriptor enabled by the state of + * one bit. The disable value is derived. * * @reg: The signal's associated register, offset from base * @idx: The signal's bit index in the register * @val: The value (0 or 1) that enables the function */ #define SIG_DESC_BIT(reg, idx, val) \ - { reg, BIT_MASK(idx), val, (((val) + 1) & 1) } + SIG_DESC_IP_BIT(ASPEED_IP_SCU, reg, idx, val) + +#define SIG_DESC_IP_SET(ip, reg, idx) SIG_DESC_IP_BIT(ip, reg, idx, 1) /** - * A further short-hand macro describing a configuration enabled with a set bit. + * A further short-hand macro expanding to an SCU descriptor enabled by a set + * bit. * - * @reg: The configuration's associated register, offset from base - * @idx: The configuration's bit index in the register + * @reg: The register, offset from base + * @idx: The bit index in the register */ -#define SIG_DESC_SET(reg, idx) SIG_DESC_BIT(reg, idx, 1) +#define SIG_DESC_SET(reg, idx) SIG_DESC_IP_BIT(ASPEED_IP_SCU, reg, idx, 1) #define SIG_DESC_LIST_SYM(sig, func) sig_descs_ ## sig ## _ ## func #define SIG_DESC_LIST_DECL(sig, func, ...) \ @@ -500,7 +514,7 @@ struct aspeed_pin_desc { MS_PIN_DECL_(pin, SIG_EXPR_LIST_PTR(gpio)) struct aspeed_pinctrl_data { - struct regmap *map; + struct regmap *maps[ASPEED_NR_PINMUX_IPS]; const struct pinctrl_pin_desc *pins; const unsigned int npins; |