diff options
Diffstat (limited to 'Documentation/devicetree/bindings/arm')
3 files changed, 28 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/arm/global_timer.txt b/Documentation/devicetree/bindings/arm/global_timer.txt new file mode 100644 index 000000000000..1e548981eda4 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/global_timer.txt @@ -0,0 +1,24 @@ + +* ARM Global Timer + Cortex-A9 are often associated with a per-core Global timer. + +** Timer node required properties: + +- compatible : Should be "arm,cortex-a9-global-timer" + Driver supports versions r2p0 and above. + +- interrupts : One interrupt to each core + +- reg : Specify the base address and the size of the GT timer + register window. + +- clocks : Should be phandle to a clock. + +Example: + + timer@2c000600 { + compatible = "arm,cortex-a9-global-timer"; + reg = <0x2c000600 0x20>; + interrupts = <1 13 0xf01>; + clocks = <&arm_periph_clk>; + }; diff --git a/Documentation/devicetree/bindings/arm/samsung/interrupt-combiner.txt b/Documentation/devicetree/bindings/arm/samsung/interrupt-combiner.txt index f2f2171e530e..9e5f73412cd7 100644 --- a/Documentation/devicetree/bindings/arm/samsung/interrupt-combiner.txt +++ b/Documentation/devicetree/bindings/arm/samsung/interrupt-combiner.txt @@ -5,7 +5,7 @@ can combine interrupt sources as a group and provide a single interrupt request for the group. The interrupt request from each group are connected to a parent interrupt controller, such as GIC in case of Exynos4210. -The interrupt combiner controller consists of multiple combiners. Upto eight +The interrupt combiner controller consists of multiple combiners. Up to eight interrupt sources can be connected to a combiner. The combiner outputs one combined interrupt for its eight interrupt sources. The combined interrupt is usually connected to a parent interrupt controller. @@ -14,8 +14,8 @@ A single node in the device tree is used to describe the interrupt combiner controller module (which includes multiple combiners). A combiner in the interrupt controller module shares config/control registers with other combiners. For example, a 32-bit interrupt enable/disable config register -can accommodate upto 4 interrupt combiners (with each combiner supporting -upto 8 interrupt sources). +can accommodate up to 4 interrupt combiners (with each combiner supporting +up to 8 interrupt sources). Required properties: - compatible: should be "samsung,exynos4210-combiner". diff --git a/Documentation/devicetree/bindings/arm/spear/shirq.txt b/Documentation/devicetree/bindings/arm/spear/shirq.txt index 13fbb8866bd6..715a013ed4bd 100644 --- a/Documentation/devicetree/bindings/arm/spear/shirq.txt +++ b/Documentation/devicetree/bindings/arm/spear/shirq.txt @@ -14,7 +14,7 @@ A single node in the device tree is used to describe the shared interrupt multiplexor (one node for all groups). A group in the interrupt controller shares config/control registers with other groups. For example, a 32-bit interrupt enable/disable config register can -accommodate upto 4 interrupt groups. +accommodate up to 4 interrupt groups. Required properties: - compatible: should be, either of |