From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- .../devicetree/bindings/mfd/vexpress-spc.txt | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/vexpress-spc.txt (limited to 'Documentation/devicetree/bindings/mfd/vexpress-spc.txt') diff --git a/Documentation/devicetree/bindings/mfd/vexpress-spc.txt b/Documentation/devicetree/bindings/mfd/vexpress-spc.txt new file mode 100644 index 00000000..1d71dc2f --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/vexpress-spc.txt @@ -0,0 +1,35 @@ +* ARM Versatile Express Serial Power Controller device tree bindings + +Latest ARM development boards implement a power management interface (serial +power controller - SPC) that is capable of managing power/voltage and +operating point transitions, through memory mapped registers interface. + +On testchips like TC2 it also provides a configuration interface that can +be used to read/write values which cannot be read/written through simple +memory mapped reads/writes. + +- spc node + + - compatible: + Usage: required + Value type: + Definition: must be + "arm,vexpress-spc,v2p-ca15_a7","arm,vexpress-spc" + - reg: + Usage: required + Value type: + Definition: A standard property that specifies the base address + and the size of the SPC address space + - interrupts: + Usage: required + Value type: + Definition: SPC interrupt configuration. A standard property + that follows ePAPR interrupts specifications + +Example: + +spc: spc@7fff0000 { + compatible = "arm,vexpress-spc,v2p-ca15_a7","arm,vexpress-spc"; + reg = <0 0x7FFF0000 0 0x1000>; + interrupts = <0 95 4>; +}; -- cgit v1.3.1