diff options
| -rw-r--r-- | drivers/pinctrl/pinctrl-cy8c95x0.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/pinctrl/pinctrl-cy8c95x0.c b/drivers/pinctrl/pinctrl-cy8c95x0.c index 9a92707d2525..5096ccdd459e 100644 --- a/drivers/pinctrl/pinctrl-cy8c95x0.c +++ b/drivers/pinctrl/pinctrl-cy8c95x0.c @@ -62,11 +62,11 @@ #define MAX_BANK 8 #define BANK_SZ 8 #define MAX_LINE (MAX_BANK * BANK_SZ) -#define MUXED_STRIDE (CY8C95X0_DRV_HIZ - CY8C95X0_INTMASK) +#define MUXED_STRIDE 16 #define CY8C95X0_GPIO_MASK GENMASK(7, 0) -#define CY8C95X0_VIRTUAL (CY8C95X0_COMMAND + 1) +#define CY8C95X0_VIRTUAL 0x40 #define CY8C95X0_MUX_REGMAP_TO_OFFSET(x, p) \ - (CY8C95X0_VIRTUAL + (x) - CY8C95X0_INTMASK + (p) * MUXED_STRIDE) + (CY8C95X0_VIRTUAL + (x) - CY8C95X0_PORTSEL + (p) * MUXED_STRIDE) static const struct i2c_device_id cy8c95x0_id[] = { { "cy8c9520", 20, }, @@ -329,7 +329,11 @@ static int cypress_get_pin_mask(struct cy8c95x0_pinctrl *chip, unsigned int pin) static bool cy8c95x0_readable_register(struct device *dev, unsigned int reg) { - if (reg >= CY8C95X0_VIRTUAL) + /* + * Only 12 registers are present per port (see Table 6 in the + * datasheet). + */ + if (reg >= CY8C95X0_VIRTUAL && (reg % MUXED_STRIDE) < 12) return true; switch (reg) { @@ -444,7 +448,7 @@ static const struct regmap_range_cfg cy8c95x0_ranges[] = { .selector_reg = CY8C95X0_PORTSEL, .selector_mask = 0x07, .selector_shift = 0x0, - .window_start = CY8C95X0_INTMASK, + .window_start = CY8C95X0_PORTSEL, .window_len = MUXED_STRIDE, } }; |