[PATCH v4 07/13] ARM: dts: mvebu: Add a new set of registers to the PMSU node
From: Gregory CLEMENT <hidden>
Date: 2014-02-13 17:33:30
Also in:
linux-devicetree, linux-pm
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2014-02-19 · Re: [PATCH v4 07/13] ARM: dts: mvebu: Add a new set of registers to the PMSU node · Thomas Petazzoni <hidden>
- 2014-02-19 · Re: [PATCH v4 07/13] ARM: dts: mvebu: Add a new set of registers to the PMSU node · Gregory CLEMENT <hidden>
- 2014-02-19 · Re: [PATCH v4 07/13] ARM: dts: mvebu: Add a new set of registers to the PMSU node · Thomas Petazzoni <hidden>
The Power Management Unit Service block also controls the Coherency Fabric subsystem. This new set of registers is needed for the CPU idle implementation for the Armada XP, it allows to enter in a deep CPU idle state where the Coherency Fabric and the L2 cache are powerdown. Cc: devicetree at vger.kernel.org Signed-off-by: Gregory CLEMENT <redacted> --- Documentation/devicetree/bindings/arm/armada-370-xp-pmsu.txt | 12 +++++++----- arch/arm/boot/dts/armada-xp.dtsi | 2 +- 2 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/Documentation/devicetree/bindings/arm/armada-370-xp-pmsu.txt b/Documentation/devicetree/bindings/arm/armada-370-xp-pmsu.txt
index 926b4d6aae7e..8a9db0c32ba5 100644
--- a/Documentation/devicetree/bindings/arm/armada-370-xp-pmsu.txt
+++ b/Documentation/devicetree/bindings/arm/armada-370-xp-pmsu.txt@@ -7,14 +7,16 @@ Required properties: - compatible: "marvell,armada-370-xp-pmsu" - reg: Should contain PMSU registers location and length. First pair - for the per-CPU SW Reset Control registers, second pair for the - Power Management Service Unit. + for the per-CPU SW Reset Control registers, second pair for the CPU + Power Management Service Unit registers, third pair for the Fabric Power + Management Service Unit registers. Example: -armada-370-xp-pmsu at d0022000 { +armada-370-xp-pmsu at 22000 { compatible = "marvell,armada-370-xp-pmsu"; - reg = <0xd0022100 0x430>, - <0xd0020800 0x20>; + reg = <0x22100 0x430>, + <0x20800 0x20>, + <0x22000 0x24>; };
diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi
index b8b84a22f0f3..f717da4f4d97 100644
--- a/arch/arm/boot/dts/armada-xp.dtsi
+++ b/arch/arm/boot/dts/armada-xp.dtsi@@ -113,7 +113,7 @@ armada-370-xp-pmsu at 22000 { compatible = "marvell,armada-370-xp-pmsu"; - reg = <0x22100 0x400>, <0x20800 0x20>; + reg = <0x22100 0x400>, <0x20800 0x20>, <0x22000 0x24>; }; eth2: ethernet at 30000 {
--
1.8.1.2