Messages in this thread Patch in this message | | | From | Yi Zhang <> | Subject | [PATCH 1/2] mfd: add Marvell 88pm88x description | Date | Mon, 8 Jun 2015 20:55:05 +0800 |
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88pm880 and 88pm886 are two combo PMIC chips, most of the function and the register mapping are the same
Signed-off-by: Yi Zhang <yizhang@marvell.com> --- Documentation/devicetree/bindings/mfd/88pm88x.txt | 33 +++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/88pm88x.txt
diff --git a/Documentation/devicetree/bindings/mfd/88pm88x.txt b/Documentation/devicetree/bindings/mfd/88pm88x.txt new file mode 100644 index 0000000..72e741c --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/88pm88x.txt @@ -0,0 +1,33 @@ +Marvell 88pm88x combo PMIC chip + +This series of chip integrates regulator, rtc, onkey, switch charger, +fuelgauge, gpadc and a range of I/O pins. + +88pm886 and 88pm880 are two very similar chips, most of the registers mapping +and functions are the same, the main difference is the latter has a separate +i2c slave address to cover BUCK related setting + +Required properties: +- compatible: one of the strings for a specific chip: + "marvell,88pm886" + "marvell,88pm880" +- reg: the i2c address +- interrupt-controller: it works as an interrupt controller managing its irqs +- interrupt-cells: this value is 1 + +Optional properties: +- marvell,88pm88x-irq-write-clear: the interrupt ack method + + +Example: + + pmic: 88pm886@30 { + compatible = "marvell,88pm886"; + reg = <0x30>; + interrupts = <0 4 IRQ_TYPE_LEVEL_HIGH>; + interrupt-parent = <&gic>; + interrupt-controller; + #interrupt-cells = <1>; + + marvell,88pm88x-irq-write-clear; + }; -- 1.9.1
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