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-rw-r--r--doc/device-tree-bindings/device.txt23
1 files changed, 23 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/device.txt b/doc/device-tree-bindings/device.txt
index 7140339623b..2a5736c5981 100644
--- a/doc/device-tree-bindings/device.txt
+++ b/doc/device-tree-bindings/device.txt
@@ -17,6 +17,8 @@ the acpi,compatible property.
System) Device Name)
- acpi,hid : Contains the string to use as the HID (Hardware ID)
identifier _HID
+ - acpi,path : Specifies the full ACPI path for a device. This overrides the
+ normal path built from the driver-model hierarchy
- acpi,name : Provides the ACPI name for a device, which is a string consisting
of four alphanumeric character (upper case)
- acpi,uid : _UID value for device
@@ -47,3 +49,24 @@ pcie-a0@14,0 {
interrupts-extended = <&acpi_gpe 0x3c 0>;
};
};
+
+p2sb: p2sb@d,0 {
+ u-boot,dm-pre-reloc;
+ reg = <0x02006810 0 0 0 0>;
+ compatible = "intel,apl-p2sb";
+ early-regs = <IOMAP_P2SB_BAR 0x100000>;
+ pci,no-autoconfig;
+
+ n {
+ compatible = "intel,apl-pinctrl";
+ u-boot,dm-pre-reloc;
+ intel,p2sb-port-id = <PID_GPIO_N>;
+ acpi,path = "\\_SB.GPO0";
+ gpio_n: gpio-n {
+ compatible = "intel,gpio";
+ u-boot,dm-pre-reloc;
+ gpio-controller;
+ #gpio-cells = <2>;
+ linux-name = "INT3452:00";
+ };
+ };