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author | Stephen Rothwell <sfr@canb.auug.org.au> | 2013-08-09 14:22:28 +1000 |
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committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2013-08-09 14:22:28 +1000 |
commit | 27fd816526e60fdb33a1acaf2296812394c4a225 (patch) | |
tree | 8413cd5fc05e5cf57b62fdede07c7e7dd77789fd /Documentation/devicetree | |
parent | 90ccf75a18968fb718df15aa75f8a38ee004e151 (diff) | |
parent | 8d015b73e1561faa6e3893af58e76e10ae1fc857 (diff) |
Merge remote-tracking branch 'arm-soc/for-next'
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r-- | Documentation/devicetree/bindings/arm/vexpress-scc.txt | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/vexpress-scc.txt b/Documentation/devicetree/bindings/arm/vexpress-scc.txt new file mode 100644 index 000000000000..f25849daef80 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/vexpress-scc.txt @@ -0,0 +1,37 @@ +* ARM Versatile Express Serial Configuration Controller device tree bindings + +Latest ARM development boards implement a serial configuration interface (SCC) +that can be used to retrieve temperature sensors, energy/voltage/current +probes and oscillators values through the SYS configuration protocol defined +for versatile express motherboards. +It also provides a power management interface (serial power controller - SPC) +that is capable of managing power/voltage and operating points transitions, +wake-up IRQs and resume addresses for ARM multiprocessor testchips. + +The SCC DT bindings are defined as follows: + +- scc node + + - compatible: + Usage: required + Value type: <stringlist> + Definition: must be + "arm,vexpress-scc,v2p-ca15_a7", "arm,vexpress-scc" + - reg: + Usage: required + Value type: <prop-encode-array> + Definition: A standard property that specifies the base address + and the size of the SCC address space + - interrupts: + Usage: required + Value type: <prop-encoded-array> + Definition: SCC interrupt configuration. A standard property + that follows ePAPR interrupts specifications + +Example: + +scc: scc@7fff0000 { + compatible = "arm,vexpress-scc,v2p-ca15_a7", "arm,vexpress-scc"; + reg = <0x7fff0000 0x1000>; + interrupts = <0 95 4>; +}; |