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authorLinus Torvalds <torvalds@linux-foundation.org>2018-04-02 16:15:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-02 16:15:32 -0700
commitcea061e455c88312b86142e68c8fc5b8e1294ca2 (patch)
tree6e8afe1c4fb696582626db294b46daa59dcfb6c0 /Documentation/devicetree
parentd22fff81418edc92be534cad8d59da914049bf69 (diff)
parent47a9973d3ed8994589c845c8b1a293a475a549a9 (diff)
Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform updates from Ingo Molnar: "The main changes in this cycle were: - Add "Jailhouse" hypervisor support (Jan Kiszka) - Update DeviceTree support (Ivan Gorinov) - Improve DMI date handling (Andy Shevchenko)" * 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/PCI: Fix a potential regression when using dmi_get_bios_year() firmware/dmi_scan: Uninline dmi_get_bios_year() helper x86/devicetree: Use CPU description from Device Tree of/Documentation: Specify local APIC ID in "reg" MAINTAINERS: Add entry for Jailhouse x86/jailhouse: Allow to use PCI_MMCONFIG without ACPI x86: Consolidate PCI_MMCONFIG configs x86: Align x86_64 PCI_MMCONFIG with 32-bit variant x86/jailhouse: Enable PCI mmconfig access in inmates PCI: Scan all functions when running over Jailhouse jailhouse: Provide detection for non-x86 systems x86/devicetree: Fix device IRQ settings in DT x86/devicetree: Initialize device tree before using it pci: Simplify code by using the new dmi_get_bios_year() helper ACPI/sleep: Simplify code by using the new dmi_get_bios_year() helper x86/pci: Simplify code by using the new dmi_get_bios_year() helper dmi: Introduce the dmi_get_bios_year() helper function x86/platform/quark: Re-use DEFINE_SHOW_ATTRIBUTE() macro x86/platform/atom: Re-use DEFINE_SHOW_ATTRIBUTE() macro
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/jailhouse.txt8
-rw-r--r--Documentation/devicetree/bindings/x86/ce4100.txt37
2 files changed, 36 insertions, 9 deletions
diff --git a/Documentation/devicetree/bindings/jailhouse.txt b/Documentation/devicetree/bindings/jailhouse.txt
new file mode 100644
index 000000000000..2901c25ff340
--- /dev/null
+++ b/Documentation/devicetree/bindings/jailhouse.txt
@@ -0,0 +1,8 @@
+Jailhouse non-root cell device tree bindings
+--------------------------------------------
+
+When running in a non-root Jailhouse cell (partition), the device tree of this
+platform shall have a top-level "hypervisor" node with the following
+properties:
+
+- compatible = "jailhouse,cell"
diff --git a/Documentation/devicetree/bindings/x86/ce4100.txt b/Documentation/devicetree/bindings/x86/ce4100.txt
index b49ae593a60b..cd1221bfb539 100644
--- a/Documentation/devicetree/bindings/x86/ce4100.txt
+++ b/Documentation/devicetree/bindings/x86/ce4100.txt
@@ -7,17 +7,36 @@ Many of the "generic" devices like HPET or IO APIC have the ce4100
name in their compatible property because they first appeared in this
SoC.
-The CPU node
-------------
- cpu@0 {
- device_type = "cpu";
- compatible = "intel,ce4100";
- reg = <0>;
- lapic = <&lapic0>;
+The CPU nodes
+-------------
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "intel,ce4100";
+ reg = <0x00>;
+ };
+
+ cpu@2 {
+ device_type = "cpu";
+ compatible = "intel,ce4100";
+ reg = <0x02>;
+ };
};
-The reg property describes the CPU number. The lapic property points to
-the local APIC timer.
+A "cpu" node describes one logical processor (hardware thread).
+
+Required properties:
+
+- device_type
+ Device type, must be "cpu".
+
+- reg
+ Local APIC ID, the unique number assigned to each processor by
+ system hardware.
The SoC node
------------