From 15786525bbad9763a1ddff188d75e5a4c534fa9e Mon Sep 17 00:00:00 2001 From: Yi Zhang Date: Fri, 12 Jun 2015 16:43:20 +0800 Subject: [PATCH] mfd: add Marvell 88pm88x description 88pm880 and 88pm886 are two combo PMIC chips, most of the function and the register mapping are the same Signed-off-by: Yi Zhang --- .../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 000000000000..72e741cf3ebf --- /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; + }; -- 2.42.0