Add a device node for the System Controller, with subnodes that represent the hardware power area hierarchy. Hook up the Cortex-A15 CPU cores and the Cortex-A15 L2 cache/SCU to their respective PM domains. Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> --- arch/arm/boot/dts/r8a7791.dtsi | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi index 4e4011a2978bcfce..3554043ee2af3b26 100644 --- a/arch/arm/boot/dts/r8a7791.dtsi +++ b/arch/arm/boot/dts/r8a7791.dtsi @@ -51,6 +51,7 @@ voltage-tolerance = <1>; /* 1% */ clocks = <&cpg_clocks R8A7791_CLK_Z>; clock-latency = <300000>; /* 300 us */ + power-domains = <&pd_ca15_cpu0>; i-cache-size = <0x8000>; i-cache-sets = <512>; @@ -76,6 +77,7 @@ compatible = "arm,cortex-a15"; reg = <1>; clock-frequency = <1500000000>; + power-domains = <&pd_ca15_cpu1>; i-cache-size = <0x8000>; i-cache-sets = <512>; @@ -91,6 +93,7 @@ L2_CA15: cache-controller@0 { compatible = "cache"; + power-domains = <&pd_ca15_scu>; arm,data-latency = <4 4 0>; arm,tag-latency = <3 3 3>; @@ -1406,6 +1409,43 @@ }; }; + sysc: system-controller@e6180000 { + compatible = "renesas,sysc-r8a7791", "renesas,sysc-rcar"; + reg = <0 0xe6180000 0 0x0200>; + + pm-domains { + #address-cells = <2>; + #size-cells = <0>; + + pd_ca15_scu: scu@12 { + reg = <12 0x180>; + #address-cells = <2>; + #size-cells = <0>; + #power-domain-cells = <0>; + + pd_ca15_cpu0: cpu@0 { + reg = <0 0x40>; + #power-domain-cells = <0>; + }; + + pd_ca15_cpu1: cpu@1 { + reg = <1 0x41>; + #power-domain-cells = <0>; + }; + }; + + pd_sh: sh@16 { + reg = <16 0x80>; + #power-domain-cells = <0>; + }; + + pd_sgx: sgx@20 { + reg = <20 0xc0>; + #power-domain-cells = <0>; + }; + }; + }; + qspi: spi@e6b10000 { compatible = "renesas,qspi-r8a7791", "renesas,qspi"; reg = <0 0xe6b10000 0 0x2c>; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html