system76-coreboot/Kconfig at 3c8e00e4cc46a25aaead85481ec745ebac95ed30 - system76-coreboot - Gitea: Git with a cup of tea

sravan/system76-coreboot

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Furquan Shaikh 3c8e00e4cc drivers/gpio_keys: Add driver for handling gpio-keys

This change adds the required device node in SSDT for defining
gpio-keys/gpio-keys-polled. Currently, it supports only one gpio-key
per device node.

BUG=b:71329519
TEST=Verified by adding details to devicetree that device node is
added to SSDT:
        Device (PENH)
        {
            Name (_HID, "PRP0001")  // _HID: Hardware ID
            Name (_CRS, ResourceTemplate ()  // _CRS: Current Resource Settings
            {
                GpioIo (Exclusive, PullDefault, 0x0000, 0x0000, IoRestrictionInputOnly,
                    "\\_SB.PCI0.GPIO", 0x00, ResourceConsumer, ,
                    )
                    {   // Pin list
                        0x002B
                    }
            })
            Name (_DSD, Package (0x04)  // _DSD: Device-Specific Data
            {
                ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301") /* Device Properties for _DSD */,
                Package (0x01)
                {
                    Package (0x02)
                    {
                        "compatible",
                        "gpio-keys"
                    }
                },

                ToUUID ("dbb8e3e6-5886-4ba6-8795-1319f52a966b"),
                Package (0x01)
                {
                    Package (0x02)
                    {
                        "button-0",
                        "EJCT"
                    }
                }
            })
            Name (EJCT, Package (0x02)
            {
                ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301") /* Device Properties for _DSD */,
                Package (0x04)
                {
                    Package (0x02)
                    {
                        "linux,code",
                        0x0F
                    },

                    Package (0x02)
                    {
                        "linux,input-type",
                        0x05
                    },

                    Package (0x02)
                    {
                        "label",
                        "pen_eject"
                    },

                    Package (0x02)
                    {
                        "gpios",
                        Package (0x04)
                        {
                            \_SB.PCI0.I2C0.PENH,
                            Zero,
                            Zero,
                            One
                        }
                    }
                }
            })
        }

Change-Id: I6f11397b17d9de1c87d56f6a61669ef4052ec27b
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/23236
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

2018-01-31 03:04:36 +00:00

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	`config DRIVERS_GENERIC_GPIO_KEYS`
	`bool`
	`depends on HAVE_ACPI_TABLES`