[PATCH/RFC v2 08/11] ARM: dts: r8a7791: Add SYSC PM domains
From: geert+renesas@glider.be (Geert Uytterhoeven)
Date: 2016-02-15 21:16:57
Also in:
linux-devicetree, linux-pm, linux-renesas-soc
Subsystem:
the rest · Maintainer:
Linus Torvalds
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@glider.be> --- v2: - Change one-line summary prefix to match current arm-soc practices, - Update compatible values. --- 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 a65910ed5884edfd..a194273eb2b7951e 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>; next-level-cache = <&L2_CA15>; /* kHz - uV - OPPs unknown yet */
@@ -67,12 +68,14 @@ compatible = "arm,cortex-a15"; reg = <1>; clock-frequency = <1500000000>; + power-domains = <&pd_ca15_cpu1>; next-level-cache = <&L2_CA15>; }; }; L2_CA15: cache-controller at 0 { compatible = "cache"; + power-domains = <&pd_ca15_scu>; cache-unified; cache-level = <2>; };
@@ -1473,6 +1476,43 @@ }; }; + sysc: system-controller at e6180000 { + compatible = "renesas,r8a7791-sysc", "renesas,rcar-gen2-sysc"; + reg = <0 0xe6180000 0 0x0200>; + + pm-domains { + #address-cells = <2>; + #size-cells = <0>; + + pd_ca15_scu: scu at 12 { + reg = <12 0x180>; + #address-cells = <2>; + #size-cells = <0>; + #power-domain-cells = <0>; + + pd_ca15_cpu0: cpu at 0 { + reg = <0 0x40>; + #power-domain-cells = <0>; + }; + + pd_ca15_cpu1: cpu at 1 { + reg = <1 0x41>; + #power-domain-cells = <0>; + }; + }; + + pd_sh: sh at 16 { + reg = <16 0x80>; + #power-domain-cells = <0>; + }; + + pd_sgx: sgx at 20 { + reg = <20 0xc0>; + #power-domain-cells = <0>; + }; + }; + }; + qspi: spi at e6b10000 { compatible = "renesas,qspi-r8a7791", "renesas,qspi"; reg = <0 0xe6b10000 0 0x2c>;
--
1.9.1