From 8fd27fb4cf76a64d4ea4814b358541477dc7a31e Mon Sep 17 00:00:00 2001 From: Rajan Vaja Date: Fri, 1 Feb 2019 14:08:48 -0800 Subject: dt-bindings: power: Add ZynqMP power domain bindings Add documentation to describe ZynqMP power domain bindings. Signed-off-by: Rajan Vaja Signed-off-by: Jolly Shah Reviewed-by: Rob Herring Signed-off-by: Michal Simek --- .../bindings/power/xlnx,zynqmp-genpd.txt | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/xlnx,zynqmp-genpd.txt (limited to 'Documentation/devicetree/bindings/power') diff --git a/Documentation/devicetree/bindings/power/xlnx,zynqmp-genpd.txt b/Documentation/devicetree/bindings/power/xlnx,zynqmp-genpd.txt new file mode 100644 index 000000000000..8d1b8200ebd0 --- /dev/null +++ b/Documentation/devicetree/bindings/power/xlnx,zynqmp-genpd.txt @@ -0,0 +1,34 @@ +----------------------------------------------------------- +Device Tree Bindings for the Xilinx Zynq MPSoC PM domains +----------------------------------------------------------- +The binding for zynqmp-power-controller follow the common +generic PM domain binding[1]. + +[1] Documentation/devicetree/bindings/power/power_domain.txt + +== Zynq MPSoC Generic PM Domain Node == + +Required property: + - Below property should be in zynqmp-firmware node. + - #power-domain-cells: Number of cells in a PM domain specifier. Must be 1. + +Power domain ID indexes are mentioned in +include/dt-bindings/power/xlnx-zynqmp-power.h. + +------- +Example +------- + +firmware { + zynqmp_firmware: zynqmp-firmware { + ... + #power-domain-cells = <1>; + ... + }; +}; + +sata { + ... + power-domains = <&zynqmp_firmware 28>; + ... +}; -- cgit v1.2.3