diff options
author | Linaro CI <ci_notify@linaro.org> | 2019-07-18 03:04:06 +0000 |
---|---|---|
committer | Linaro CI <ci_notify@linaro.org> | 2019-07-18 03:04:06 +0000 |
commit | cbbe9f9a965018d031c8824a93a085280fd747bd (patch) | |
tree | e45ba22d127487d699b7c2bbe950fe716ce90fbb /Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt | |
parent | f046b75a1ffd3ca49e30f811d72f9b907e11a5e9 (diff) | |
parent | 2327620c9c132f9c55812b586d941de8595ef1b6 (diff) |
Merge remote-tracking branch 'sumit-lts/lts-4.4.y-hikey' into linux-4.4.y4.4.186-rc1-hikey-20190718-499
Diffstat (limited to 'Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt')
-rw-r--r-- | Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt b/Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt new file mode 100644 index 000000000000..5edc310470b6 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt @@ -0,0 +1,27 @@ +Hisilicon hi655x Power Management Integrated Circuit (PMIC) + +The hardware layout for access PMIC Hi655x from AP SoC Hi6220. +Between PMIC Hi655x and Hi6220, the physical signal channel is SSI. +We can use memory-mapped I/O to communicate. + ++----------------+ +-------------+ +| | | | +| Hi6220 | SSI bus | Hi655x | +| |-------------| | +| |(REGMAP_MMIO)| | ++----------------+ +-------------+ + +Required properties: +- compatible: Should be "hisilicon,hi655x-pmic" +- reg: Base address of PMIC on hi6220 soc +- interrupt-controller: Hi655x has internal IRQs (has own IRQ domain). +- pmic-gpios: The gpio used by PMIC irq. + +Example: + pmic: pmic@f8000000 { + compatible = "hisilicon,hi655x-pmic"; + reg = <0x0 0xf8000000 0x0 0x1000>; + interrupt-controller; + #interrupt-cells = <2>; + pmic-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; + } |