#include <linux/gpio/machine.h>
#include <linux/i2c.h>
#include <linux/irq.h>
+#include <linux/irqdomain.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/string.h>
X86_ACPI_IRQ_TYPE_NONE,
X86_ACPI_IRQ_TYPE_APIC,
X86_ACPI_IRQ_TYPE_GPIOINT,
+ X86_ACPI_IRQ_TYPE_PMIC,
};
struct x86_acpi_irq_data {
- char *chip; /* GPIO chip label (GPIOINT) */
+ char *chip; /* GPIO chip label (GPIOINT) or PMIC ACPI path (PMIC) */
enum x86_acpi_irq_type type;
+ enum irq_domain_bus_token domain;
int index;
int trigger; /* ACPI_EDGE_SENSITIVE / ACPI_LEVEL_SENSITIVE */
int polarity; /* ACPI_ACTIVE_HIGH / ACPI_ACTIVE_LOW / ACPI_ACTIVE_BOTH */
static int x86_acpi_irq_helper_get(const struct x86_acpi_irq_data *data)
{
+ struct irq_fwspec fwspec = { };
+ struct irq_domain *domain;
+ struct acpi_device *adev;
struct gpio_desc *gpiod;
struct gpio_chip *chip;
unsigned int irq_type;
+ acpi_handle handle;
+ acpi_status status;
int irq, ret;
switch (data->type) {
irq_set_irq_type(irq, irq_type);
return irq;
+ case X86_ACPI_IRQ_TYPE_PMIC:
+ status = acpi_get_handle(NULL, data->chip, &handle);
+ if (ACPI_FAILURE(status)) {
+ pr_err("error could not get %s handle\n", data->chip);
+ return -ENODEV;
+ }
+
+ acpi_bus_get_device(handle, &adev);
+ if (!adev) {
+ pr_err("error could not get %s adev\n", data->chip);
+ return -ENODEV;
+ }
+
+ fwspec.fwnode = acpi_fwnode_handle(adev);
+ domain = irq_find_matching_fwspec(&fwspec, data->domain);
+ if (!domain) {
+ pr_err("error could not find IRQ domain for %s\n", data->chip);
+ return -ENODEV;
+ }
+
+ return irq_create_mapping(domain, data->index);
default:
return 0;
}