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Commit 4035cc15 authored by Mika Westerberg's avatar Mika Westerberg Committed by Linus Walleij
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ACPI / gpio: Add support for naming GPIOs 



Now that we have the new helper function that sets nice names for GPIO
lines based on "gpio-line-names" device property, we can take advantage of
this in acpi_gpiochip_add().

Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 9427ecbe

Documentation/acpi/gpio-properties.txt

+12 −0
Original line number Diff line number Diff line
@@ -98,6 +98,18 @@ Example: 
      }

  })



- gpio-line-names



Example:



  Package () {

      "gpio-line-names",

      Package () {

          "SPI0_CS_N", "EXP2_INT", "MUX6_IO", "UART0_RXD", "MUX7_IO",

          "LVL_C_A1", "MUX0_IO", "SPI1_MISO"

      }

  }



See Documentation/devicetree/bindings/gpio/gpio.txt for more information

about these properties.

drivers/gpio/gpiolib-acpi.c

+3 −0
Original line number Diff line number Diff line
@@ -957,6 +957,9 @@ void acpi_gpiochip_add(struct gpio_chip *chip) 
		return;

	}



	if (!chip->names)

		devprop_gpiochip_set_names(chip);



	acpi_gpiochip_request_regions(acpi_gpio);

	acpi_gpiochip_scan_gpios(acpi_gpio);

	acpi_walk_dep_device_list(handle);