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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt')
-rw-r--r-- | Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt | 57 |
1 files changed, 57 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 000000000..180ae65be --- /dev/null +++ b/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt @@ -0,0 +1,57 @@ +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,r8a77470-sysc" (RZ/G1C) + - "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) + - "renesas,r8a77965-sysc" (R-Car M3-N) + - "renesas,r8a77970-sysc" (R-Car V3M) + - "renesas,r8a77980-sysc" (R-Car V3H) + - "renesas,r8a77990-sysc" (R-Car E3) + - "renesas,r8a77995-sysc" (R-Car D3) + - 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>; + }; |