diff options
Diffstat (limited to 'Documentation/devicetree/bindings/mfd')
-rw-r--r-- | Documentation/devicetree/bindings/mfd/bfticu.txt | 25 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/mfd/qriox.txt | 17 |
2 files changed, 42 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/bfticu.txt b/Documentation/devicetree/bindings/mfd/bfticu.txt new file mode 100644 index 000000000000..65c90776c620 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/bfticu.txt @@ -0,0 +1,25 @@ +KEYMILE bfticu Chassis Management FPGA + +The bfticu is a multifunction device that manages the whole chassis. +Its main functionality is to collect IRQs from the whole chassis and signals +them to a single controller. + +Required properties: +- compatible: "keymile,bfticu" +- interrupt-controller: the bfticu FPGA is an interrupt controller +- interrupts: the main IRQ line to signal the collected IRQs +- #interrupt-cells : is 2 and their usage is compliant to the 2 cells variant + of Documentation/devicetree/bindings/interrupt-controller/interrupts.txt +- interrupt-parent: the parent IRQ ctrl the main IRQ is connected to +- reg: access on the parent local bus (chip select, offset in chip select, size) + +Example: + + chassis-mgmt@3,0 { + compatible = "keymile,bfticu"; + interrupt-controller; + #interrupt-cells = <2>; + reg = <3 0 0x100>; + interrupt-parent = <&mpic>; + interrupts = <6 1 0 0>; + }; diff --git a/Documentation/devicetree/bindings/mfd/qriox.txt b/Documentation/devicetree/bindings/mfd/qriox.txt new file mode 100644 index 000000000000..f301e2d4ce76 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/qriox.txt @@ -0,0 +1,17 @@ +KEYMILE qrio Board Control CPLD + +The qrio is a multifunction device that controls the KEYMILE boards based on +the kmp204x design. +It is consists of a reset controller, watchdog timer, LEDs, and 2 IRQ capable +GPIO blocks. + +Required properties: +- compatible: "keymile,qriox" +- reg: access on the parent local bus (chip select, offset in chip select, size) + +Example: + + board-control@1,0 { + compatible = "keymile,qriox"; + reg = <1 0 0x80>; + }; |