diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-amd.c')
-rw-r--r-- | drivers/pinctrl/pinctrl-amd.c | 51 |
1 files changed, 34 insertions, 17 deletions
diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 537b52055756..d69e357a7a98 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -164,6 +164,18 @@ static int amd_gpio_set_debounce(struct gpio_chip *gc, unsigned offset, return ret; } +static int amd_gpio_set_config(struct gpio_chip *gc, unsigned offset, + unsigned long config) +{ + u32 debounce; + + if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE) + return -ENOTSUPP; + + debounce = pinconf_to_config_argument(config); + return amd_gpio_set_debounce(gc, offset, debounce); +} + #ifdef CONFIG_DEBUG_FS static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc) { @@ -186,7 +198,7 @@ static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc) char *output_value; char *output_enable; - for (bank = 0; bank < AMD_GPIO_TOTAL_BANKS; bank++) { + for (bank = 0; bank < gpio_dev->hwbank_num; bank++) { seq_printf(s, "GPIO bank%d\t", bank); switch (bank) { @@ -202,10 +214,14 @@ static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc) i = 128; pin_num = AMD_GPIO_PINS_BANK2 + i; break; + case 3: + i = 192; + pin_num = AMD_GPIO_PINS_BANK3 + i; + break; default: - return; + /* Illegal bank number, ignore */ + continue; } - for (; i < pin_num; i++) { seq_printf(s, "pin%d\t", i); spin_lock_irqsave(&gpio_dev->lock, flags); @@ -215,14 +231,14 @@ static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc) if (pin_reg & BIT(INTERRUPT_ENABLE_OFF)) { interrupt_enable = "interrupt is enabled|"; - if (!(pin_reg & BIT(ACTIVE_LEVEL_OFF)) - && !(pin_reg & BIT(ACTIVE_LEVEL_OFF+1))) + if (!(pin_reg & BIT(ACTIVE_LEVEL_OFF)) && + !(pin_reg & BIT(ACTIVE_LEVEL_OFF + 1))) active_level = "Active low|"; - else if (pin_reg & BIT(ACTIVE_LEVEL_OFF) - && !(pin_reg & BIT(ACTIVE_LEVEL_OFF+1))) + else if (pin_reg & BIT(ACTIVE_LEVEL_OFF) && + !(pin_reg & BIT(ACTIVE_LEVEL_OFF + 1))) active_level = "Active high|"; - else if (!(pin_reg & BIT(ACTIVE_LEVEL_OFF)) - && pin_reg & BIT(ACTIVE_LEVEL_OFF+1)) + else if (!(pin_reg & BIT(ACTIVE_LEVEL_OFF)) && + pin_reg & BIT(ACTIVE_LEVEL_OFF + 1)) active_level = "Active on both|"; else active_level = "Unknow Active level|"; @@ -246,17 +262,17 @@ static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc) interrupt_mask = "interrupt is masked|"; - if (pin_reg & BIT(WAKE_CNTRL_OFF)) + if (pin_reg & BIT(WAKE_CNTRL_OFF_S0I3)) wake_cntrl0 = "enable wakeup in S0i3 state|"; else wake_cntrl0 = "disable wakeup in S0i3 state|"; - if (pin_reg & BIT(WAKE_CNTRL_OFF)) + if (pin_reg & BIT(WAKE_CNTRL_OFF_S3)) wake_cntrl1 = "enable wakeup in S3 state|"; else wake_cntrl1 = "disable wakeup in S3 state|"; - if (pin_reg & BIT(WAKE_CNTRL_OFF)) + if (pin_reg & BIT(WAKE_CNTRL_OFF_S4)) wake_cntrl2 = "enable wakeup in S4/S5 state|"; else wake_cntrl2 = "disable wakeup in S4/S5 state|"; @@ -476,6 +492,7 @@ static struct irq_chip amd_gpio_irqchip = { .irq_unmask = amd_gpio_irq_unmask, .irq_eoi = amd_gpio_irq_eoi, .irq_set_type = amd_gpio_irq_set_type, + .flags = IRQCHIP_SKIP_SET_WAKE, }; static void amd_gpio_irq_handler(struct irq_desc *desc) @@ -758,18 +775,19 @@ static int amd_gpio_probe(struct platform_device *pdev) gpio_dev->gc.direction_output = amd_gpio_direction_output; gpio_dev->gc.get = amd_gpio_get_value; gpio_dev->gc.set = amd_gpio_set_value; - gpio_dev->gc.set_debounce = amd_gpio_set_debounce; + gpio_dev->gc.set_config = amd_gpio_set_config; gpio_dev->gc.dbg_show = amd_gpio_dbg_show; - gpio_dev->gc.base = 0; + gpio_dev->gc.base = -1; gpio_dev->gc.label = pdev->name; gpio_dev->gc.owner = THIS_MODULE; gpio_dev->gc.parent = &pdev->dev; - gpio_dev->gc.ngpio = TOTAL_NUMBER_OF_PINS; + gpio_dev->gc.ngpio = resource_size(res) / 4; #if defined(CONFIG_OF_GPIO) gpio_dev->gc.of_node = pdev->dev.of_node; #endif + gpio_dev->hwbank_num = gpio_dev->gc.ngpio / 64; gpio_dev->groups = kerncz_groups; gpio_dev->ngroups = ARRAY_SIZE(kerncz_groups); @@ -786,7 +804,7 @@ static int amd_gpio_probe(struct platform_device *pdev) return ret; ret = gpiochip_add_pin_range(&gpio_dev->gc, dev_name(&pdev->dev), - 0, 0, TOTAL_NUMBER_OF_PINS); + 0, 0, gpio_dev->gc.ngpio); if (ret) { dev_err(&pdev->dev, "Failed to add pin range\n"); goto out2; @@ -807,7 +825,6 @@ static int amd_gpio_probe(struct platform_device *pdev) &amd_gpio_irqchip, irq_base, amd_gpio_irq_handler); - platform_set_drvdata(pdev, gpio_dev); dev_dbg(&pdev->dev, "amd gpio driver loaded\n"); |