From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- .../devicetree/bindings/arm/vexpress-scc.txt | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/vexpress-scc.txt (limited to 'Documentation/devicetree/bindings/arm/vexpress-scc.txt') diff --git a/Documentation/devicetree/bindings/arm/vexpress-scc.txt b/Documentation/devicetree/bindings/arm/vexpress-scc.txt new file mode 100644 index 000000000..ae5043e42 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/vexpress-scc.txt @@ -0,0 +1,33 @@ +ARM Versatile Express Serial Configuration Controller +----------------------------------------------------- + +Test chips for ARM Versatile Express platform implement SCC (Serial +Configuration Controller) interface, used to set initial conditions +for the test chip. + +In some cases its registers are also mapped in normal address space +and can be used to obtain runtime information about the chip internals +(like silicon temperature sensors) and as interface to other subsystems +like platform configuration control and power management. + +Required properties: + +- compatible value: "arm,vexpress-scc,", "arm,vexpress-scc"; + where is the full tile model name (as used + in the tile's Technical Reference Manual), + eg. for Coretile Express A15x2 A7x3 (V2P-CA15_A7): + compatible = "arm,vexpress-scc,v2p-ca15_a7", "arm,vexpress-scc"; + +Optional properties: + +- reg: when the SCC is memory mapped, physical address and size of the + registers window +- interrupts: when the SCC can generate a system-level interrupt + +Example: + + scc@7fff0000 { + compatible = "arm,vexpress-scc,v2p-ca15_a7", "arm,vexpress-scc"; + reg = <0 0x7fff0000 0 0x1000>; + interrupts = <0 95 4>; + }; -- cgit v1.2.3-54-g00ecf