[PATCH 1/6] dt-bindings: mfd: Add hi6421v530 bindings
From: Guodong Xu <hidden>
Date: 2017-05-26 06:35:48
Also in:
linux-devicetree, lkml
Subsystem:
multifunction devices (mfd), open firmware and flattened device tree bindings, the rest · Maintainers:
Lee Jones, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
DT bindings for hisilicon HI655x PMIC chip. Signed-off-by: Guodong Xu <redacted> --- .../bindings/mfd/hisilicon,hi6421v530.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/hisilicon,hi6421v530.txt
diff --git a/Documentation/devicetree/bindings/mfd/hisilicon,hi6421v530.txt b/Documentation/devicetree/bindings/mfd/hisilicon,hi6421v530.txt
new file mode 100644
index 0000000..6ffe6f6
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/hisilicon,hi6421v530.txt@@ -0,0 +1,25 @@ +Hisilicon Hi6421v530 Power Management Integrated Circuit (PMIC) + +The hardware layout for access PMIC Hi6421v530 from AP SoC Hi3660. +Between PMIC Hi6421v530 and Hi3660, the physical signal channel is SSI. +We can use memory-mapped I/O to communicate. + ++----------------+ +-------------+ +| | | | +| Hi3660 | SSI bus | Hi6421v530 | +| |-------------| | +| |(REGMAP_MMIO)| | ++----------------+ +-------------+ + +Required properties: +- compatible: Should be "hisilicon,hi6421v530-pmic". +- reg: Base address of PMIC on Hi3660 SoC. +- interrupt-controller: Hi6421v530 has internal IRQs (has own IRQ domain). + +Example: + pmic: pmic at fff34000 { + compatible = "hisilicon,hi6421v530-pmic"; + reg = <0x0 0xfff34000 0x0 0x1000>; + interrupt-controller; + #interrupt-cells = <2>; + }
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2.10.2