aboutsummaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt')
-rw-r--r--Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt51
1 files changed, 51 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt b/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt
new file mode 100644
index 000000000000..d91715bc8d52
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt
@@ -0,0 +1,51 @@
+DT bindings for the Renesas R-Car (RZ/G) System Controller
+
+== System Controller Node ==
+
+The R-Car (RZ/G) System Controller provides power management for the CPU cores
+and various coprocessors.
+
+Required properties:
+ - compatible: Must contain exactly one of the following:
+ - "renesas,r8a7743-sysc" (RZ/G1M)
+ - "renesas,r8a7745-sysc" (RZ/G1E)
+ - "renesas,r8a7779-sysc" (R-Car H1)
+ - "renesas,r8a7790-sysc" (R-Car H2)
+ - "renesas,r8a7791-sysc" (R-Car M2-W)
+ - "renesas,r8a7792-sysc" (R-Car V2H)
+ - "renesas,r8a7793-sysc" (R-Car M2-N)
+ - "renesas,r8a7794-sysc" (R-Car E2)
+ - "renesas,r8a7795-sysc" (R-Car H3)
+ - "renesas,r8a7796-sysc" (R-Car M3-W)
+ - reg: Address start and address range for the device.
+ - #power-domain-cells: Must be 1.
+
+
+Example:
+
+ sysc: system-controller@e6180000 {
+ compatible = "renesas,r8a7791-sysc";
+ reg = <0 0xe6180000 0 0x0200>;
+ #power-domain-cells = <1>;
+ };
+
+
+== PM Domain Consumers ==
+
+Devices residing in a power area must refer to that power area, as documented
+by the generic PM domain bindings in
+Documentation/devicetree/bindings/power/power_domain.txt.
+
+Required properties:
+ - power-domains: A phandle and symbolic PM domain specifier, as defined in
+ <dt-bindings/power/r8a77*-sysc.h>.
+
+
+Example:
+
+ L2_CA15: cache-controller@0 {
+ compatible = "cache";
+ power-domains = <&sysc R8A7791_PD_CA15_SCU>;
+ cache-unified;
+ cache-level = <2>;
+ };