diff options
Diffstat (limited to 'drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c')
| -rw-r--r-- | drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c | 62 |
1 files changed, 39 insertions, 23 deletions
diff --git a/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c b/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c index a46650db678a..7970fa6e1557 100644 --- a/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c +++ b/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c @@ -7,12 +7,13 @@ #include <linux/gpio/driver.h> #include <linux/interrupt.h> #include <linux/module.h> -#include <linux/of_device.h> +#include <linux/of.h> #include <linux/of_irq.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/seq_file.h> #include <linux/slab.h> +#include <linux/string_choices.h> #include <linux/pinctrl/pinconf-generic.h> #include <linux/pinctrl/pinconf.h> @@ -126,7 +127,6 @@ struct pm8xxx_mpp { struct regmap *regmap; struct pinctrl_dev *pctrl; struct gpio_chip chip; - struct irq_chip irq; struct pinctrl_desc desc; unsigned npins; @@ -337,7 +337,7 @@ static int pm8xxx_pin_config_get(struct pinctrl_dev *pctldev, case PIN_CONFIG_INPUT_ENABLE: arg = pin->input; break; - case PIN_CONFIG_OUTPUT: + case PIN_CONFIG_LEVEL: arg = pin->output_value; break; case PIN_CONFIG_POWER_SOURCE: @@ -392,7 +392,7 @@ static int pm8xxx_pin_config_set(struct pinctrl_dev *pctldev, case PIN_CONFIG_INPUT_ENABLE: pin->input = true; break; - case PIN_CONFIG_OUTPUT: + case PIN_CONFIG_LEVEL: pin->output = true; pin->output_value = !!arg; break; @@ -511,14 +511,15 @@ static int pm8xxx_mpp_get(struct gpio_chip *chip, unsigned offset) return ret; } -static void pm8xxx_mpp_set(struct gpio_chip *chip, unsigned offset, int value) +static int pm8xxx_mpp_set(struct gpio_chip *chip, unsigned int offset, + int value) { struct pm8xxx_mpp *pctrl = gpiochip_get_data(chip); struct pm8xxx_pin_data *pin = pctrl->desc.pins[offset].drv_data; pin->output_value = !!value; - pm8xxx_mpp_update(pctrl, pin); + return pm8xxx_mpp_update(pctrl, pin); } static int pm8xxx_mpp_of_xlate(struct gpio_chip *chip, @@ -577,8 +578,7 @@ static void pm8xxx_mpp_dbg_show_one(struct seq_file *s, seq_puts(s, "out "); if (!pin->paired) { - seq_puts(s, pin->output_value ? - "high" : "low"); + seq_puts(s, str_high_low(pin->output_value)); } else { seq_puts(s, pin->output_value ? "inverted" : "follow"); @@ -590,8 +590,7 @@ static void pm8xxx_mpp_dbg_show_one(struct seq_file *s, if (pin->output) { seq_printf(s, "out %s ", aout_lvls[pin->aout_level]); if (!pin->paired) { - seq_puts(s, pin->output_value ? - "high" : "low"); + seq_puts(s, str_high_low(pin->output_value)); } else { seq_puts(s, pin->output_value ? "inverted" : "follow"); @@ -606,8 +605,7 @@ static void pm8xxx_mpp_dbg_show_one(struct seq_file *s, seq_printf(s, "dtest%d", pin->dtest); } else { if (!pin->paired) { - seq_puts(s, pin->output_value ? - "high" : "low"); + seq_puts(s, str_high_low(pin->output_value)); } else { seq_puts(s, pin->output_value ? "inverted" : "follow"); @@ -778,6 +776,32 @@ static int pm8xxx_mpp_child_to_parent_hwirq(struct gpio_chip *chip, return 0; } +static void pm8xxx_mpp_irq_disable(struct irq_data *d) +{ + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + + gpiochip_disable_irq(gc, irqd_to_hwirq(d)); +} + +static void pm8xxx_mpp_irq_enable(struct irq_data *d) +{ + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + + gpiochip_enable_irq(gc, irqd_to_hwirq(d)); +} + +static const struct irq_chip pm8xxx_mpp_irq_chip = { + .name = "ssbi-mpp", + .irq_mask_ack = irq_chip_mask_ack_parent, + .irq_unmask = irq_chip_unmask_parent, + .irq_disable = pm8xxx_mpp_irq_disable, + .irq_enable = pm8xxx_mpp_irq_enable, + .irq_set_type = irq_chip_set_type_parent, + .flags = IRQCHIP_MASK_ON_SUSPEND | IRQCHIP_SKIP_SET_WAKE | + IRQCHIP_IMMUTABLE, + GPIOCHIP_IRQ_RESOURCE_HELPERS, +}; + static const struct of_device_id pm8xxx_mpp_of_match[] = { { .compatible = "qcom,pm8018-mpp", .data = (void *) 6 }, { .compatible = "qcom,pm8038-mpp", .data = (void *) 6 }, @@ -871,17 +895,11 @@ static int pm8xxx_mpp_probe(struct platform_device *pdev) if (!parent_domain) return -ENXIO; - pctrl->irq.name = "ssbi-mpp"; - pctrl->irq.irq_mask_ack = irq_chip_mask_ack_parent; - pctrl->irq.irq_unmask = irq_chip_unmask_parent; - pctrl->irq.irq_set_type = irq_chip_set_type_parent; - pctrl->irq.flags = IRQCHIP_MASK_ON_SUSPEND | IRQCHIP_SKIP_SET_WAKE; - girq = &pctrl->chip.irq; - girq->chip = &pctrl->irq; + gpio_irq_chip_set_chip(girq, &pm8xxx_mpp_irq_chip); girq->default_type = IRQ_TYPE_NONE; girq->handler = handle_level_irq; - girq->fwnode = of_node_to_fwnode(pctrl->dev->of_node); + girq->fwnode = dev_fwnode(pctrl->dev); girq->parent_domain = parent_domain; if (of_device_is_compatible(pdev->dev.of_node, "qcom,pm8821-mpp")) girq->child_to_parent_hwirq = pm8821_mpp_child_to_parent_hwirq; @@ -917,13 +935,11 @@ unregister_gpiochip: return ret; } -static int pm8xxx_mpp_remove(struct platform_device *pdev) +static void pm8xxx_mpp_remove(struct platform_device *pdev) { struct pm8xxx_mpp *pctrl = platform_get_drvdata(pdev); gpiochip_remove(&pctrl->chip); - - return 0; } static struct platform_driver pm8xxx_mpp_driver = { |