diff options
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/sunxi/pinctrl-sunxi.c | 44 | ||||
| -rw-r--r-- | drivers/pinctrl/sunxi/pinctrl-sunxi.h | 3 |
2 files changed, 29 insertions, 18 deletions
diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c index 78b7ab69d7a5..ec7daaa5666b 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c @@ -59,45 +59,49 @@ static struct irq_chip sunxi_pinctrl_level_irq_chip; * The following functions calculate the register and the bit offset to access. * They take a pin number which is relative to the start of the current device. */ -static void sunxi_mux_reg(u32 pin, u32 *reg, u32 *shift, u32 *mask) +static void sunxi_mux_reg(const struct sunxi_pinctrl *pctl, + u32 pin, u32 *reg, u32 *shift, u32 *mask) { u32 bank = pin / PINS_PER_BANK; u32 offset = pin % PINS_PER_BANK * MUX_FIELD_WIDTH; - *reg = bank * BANK_MEM_SIZE + MUX_REGS_OFFSET + + *reg = bank * pctl->bank_mem_size + MUX_REGS_OFFSET + offset / BITS_PER_TYPE(u32) * sizeof(u32); *shift = offset % BITS_PER_TYPE(u32); *mask = (BIT(MUX_FIELD_WIDTH) - 1) << *shift; } -static void sunxi_data_reg(u32 pin, u32 *reg, u32 *shift, u32 *mask) +static void sunxi_data_reg(const struct sunxi_pinctrl *pctl, + u32 pin, u32 *reg, u32 *shift, u32 *mask) { u32 bank = pin / PINS_PER_BANK; u32 offset = pin % PINS_PER_BANK * DATA_FIELD_WIDTH; - *reg = bank * BANK_MEM_SIZE + DATA_REGS_OFFSET + + *reg = bank * pctl->bank_mem_size + DATA_REGS_OFFSET + offset / BITS_PER_TYPE(u32) * sizeof(u32); *shift = offset % BITS_PER_TYPE(u32); *mask = (BIT(DATA_FIELD_WIDTH) - 1) << *shift; } -static void sunxi_dlevel_reg(u32 pin, u32 *reg, u32 *shift, u32 *mask) +static void sunxi_dlevel_reg(const struct sunxi_pinctrl *pctl, + u32 pin, u32 *reg, u32 *shift, u32 *mask) { u32 bank = pin / PINS_PER_BANK; - u32 offset = pin % PINS_PER_BANK * DLEVEL_FIELD_WIDTH; + u32 offset = pin % PINS_PER_BANK * pctl->dlevel_field_width; - *reg = bank * BANK_MEM_SIZE + DLEVEL_REGS_OFFSET + + *reg = bank * pctl->bank_mem_size + DLEVEL_REGS_OFFSET + offset / BITS_PER_TYPE(u32) * sizeof(u32); *shift = offset % BITS_PER_TYPE(u32); - *mask = (BIT(DLEVEL_FIELD_WIDTH) - 1) << *shift; + *mask = (BIT(pctl->dlevel_field_width) - 1) << *shift; } -static void sunxi_pull_reg(u32 pin, u32 *reg, u32 *shift, u32 *mask) +static void sunxi_pull_reg(const struct sunxi_pinctrl *pctl, + u32 pin, u32 *reg, u32 *shift, u32 *mask) { u32 bank = pin / PINS_PER_BANK; u32 offset = pin % PINS_PER_BANK * PULL_FIELD_WIDTH; - *reg = bank * BANK_MEM_SIZE + PULL_REGS_OFFSET + + *reg = bank * pctl->bank_mem_size + pctl->pull_regs_offset + offset / BITS_PER_TYPE(u32) * sizeof(u32); *shift = offset % BITS_PER_TYPE(u32); *mask = (BIT(PULL_FIELD_WIDTH) - 1) << *shift; @@ -508,18 +512,19 @@ static const struct pinctrl_ops sunxi_pctrl_ops = { .get_group_pins = sunxi_pctrl_get_group_pins, }; -static int sunxi_pconf_reg(unsigned pin, enum pin_config_param param, +static int sunxi_pconf_reg(const struct sunxi_pinctrl *pctl, + u32 pin, enum pin_config_param param, u32 *reg, u32 *shift, u32 *mask) { switch (param) { case PIN_CONFIG_DRIVE_STRENGTH: - sunxi_dlevel_reg(pin, reg, shift, mask); + sunxi_dlevel_reg(pctl, pin, reg, shift, mask); break; case PIN_CONFIG_BIAS_PULL_UP: case PIN_CONFIG_BIAS_PULL_DOWN: case PIN_CONFIG_BIAS_DISABLE: - sunxi_pull_reg(pin, reg, shift, mask); + sunxi_pull_reg(pctl, pin, reg, shift, mask); break; default: @@ -540,7 +545,7 @@ static int sunxi_pconf_get(struct pinctrl_dev *pctldev, unsigned pin, pin -= pctl->desc->pin_base; - ret = sunxi_pconf_reg(pin, param, ®, &shift, &mask); + ret = sunxi_pconf_reg(pctl, pin, param, ®, &shift, &mask); if (ret < 0) return ret; @@ -606,7 +611,7 @@ static int sunxi_pconf_set(struct pinctrl_dev *pctldev, unsigned pin, param = pinconf_to_config_param(configs[i]); arg = pinconf_to_config_argument(configs[i]); - ret = sunxi_pconf_reg(pin, param, ®, &shift, &mask); + ret = sunxi_pconf_reg(pctl, pin, param, ®, &shift, &mask); if (ret < 0) return ret; @@ -774,7 +779,7 @@ static void sunxi_pmx_set(struct pinctrl_dev *pctldev, unsigned long flags; pin -= pctl->desc->pin_base; - sunxi_mux_reg(pin, ®, &shift, &mask); + sunxi_mux_reg(pctl, pin, ®, &shift, &mask); raw_spin_lock_irqsave(&pctl->lock, flags); @@ -917,7 +922,7 @@ static int sunxi_pinctrl_gpio_get(struct gpio_chip *chip, unsigned offset) u32 pin = offset + chip->base; u32 reg, shift, mask, val; - sunxi_data_reg(offset, ®, &shift, &mask); + sunxi_data_reg(pctl, offset, ®, &shift, &mask); if (set_mux) sunxi_pmx_set(pctl->pctl_dev, pin, SUN4I_FUNC_INPUT); @@ -937,7 +942,7 @@ static void sunxi_pinctrl_gpio_set(struct gpio_chip *chip, u32 reg, shift, mask, val; unsigned long flags; - sunxi_data_reg(offset, ®, &shift, &mask); + sunxi_data_reg(pctl, offset, ®, &shift, &mask); raw_spin_lock_irqsave(&pctl->lock, flags); @@ -1489,6 +1494,9 @@ int sunxi_pinctrl_init_with_variant(struct platform_device *pdev, pctl->dev = &pdev->dev; pctl->desc = desc; pctl->variant = variant; + pctl->bank_mem_size = BANK_MEM_SIZE; + pctl->pull_regs_offset = PULL_REGS_OFFSET; + pctl->dlevel_field_width = DLEVEL_FIELD_WIDTH; pctl->irq_array = devm_kcalloc(&pdev->dev, IRQ_PER_BANK * pctl->desc->irq_banks, diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.h b/drivers/pinctrl/sunxi/pinctrl-sunxi.h index efaa97457e08..c705828add73 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.h +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.h @@ -169,6 +169,9 @@ struct sunxi_pinctrl { raw_spinlock_t lock; struct pinctrl_dev *pctl_dev; unsigned long variant; + u32 bank_mem_size; + u32 pull_regs_offset; + u32 dlevel_field_width; }; #define SUNXI_PIN(_pin, ...) \ |