On 04/05/2012 12:15 PM, David Brown wrote: > Some MSM SoCs have a small serial-type "bus" that is used to > communicate with the PMIC devices. This interface is always > point-to-point. I'm doing a device-tree conversion of the driver that > Ken Heitke posted last year <https://lkml.org/lkml/2011/2/17/503>. > > A naive conversion to device tree, would result in something like > this: > > qcom,ssbi@500000 { > compatible = "qcom,ssbi"; > reg = <0x500000 0x1000>; > qcom,controller-type = "ssbi"; > > qcom,pmic8058@0 { > reg = <0x0 0x01>; > ... > } > } > > There would end up being an extraneous register for the device on the > other end (there are no addresses), and there would need to be code in > the ssbi driver to traverse this small tree to find these nodes. Isn't that extra code simply: of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev); That seems like pretty low overhead. -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
