Re: [PATCH v4 1/2] arm64: dts: qcom: ipq6018: add LDOA2 regulator

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Hi, Bjorn
> I still don't see a patch that does "something-supply = <&ipq6018_l2>;",
> which would imply that the main thing this patch achieves is that the
> regulator framework might turn the regulator off after a while.

> Shouldn't there be a user of ipq6018_l2?

Although there is the sdhc node in ipq6018-cp01-c1 in the qsdk kernel,
I don't have the official rdp board of qca, so I can't test it.

Normally it looks like this:

&sdhc {
	bus-width = <4>;
	cd-gpios = <&tlmm 62 GPIO_ACTIVE_LOW>;
    ... /* specific properties */
	pinctrl-0 = <&sdhci_pins>;
	pinctrl-names = "default";
	vqmmc-supply = <&ipq6018_l2>;
	status = "okay";

As for actual routers, there are users.
One of the examples is on openwrt, a development board like 8devices:

	vqmmc-supply = <&ipq6018_l2>;
	cd-gpios = <&tlmm 62 GPIO_ACTIVE_LOW>;

The function of this node is to reference sd/emmc supply for devices
with pmic. Please let me know if it doesn't fit in this patch series
and I will deal with this in another pmic patch series.



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