On Mon, Apr 04, 2016 at 02:08:10PM -0700, Sreedhar Sambangi wrote:
> This adds the regulator nodes to DK04 device tree to support
>
> Change-Id: I9c1df0e720a330bf6db1889fd2247f6a70ea6faa
> Signed-off-by: Sreedhar Sambangi <ssambang@xxxxxxxxxxxxxx>
> ---
> .../bindings/regulator/ipq4019-regulator.txt | 19 +++++++++++++++++++
> arch/arm/boot/dts/qcom-ipq4019-ap.dk04.1.dtsi | 11 +++++++++++
> 2 files changed, 30 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/regulator/ipq4019-regulator.txt
>
> diff --git a/Documentation/devicetree/bindings/regulator/ipq4019-regulator.txt b/Documentation/devicetree/bindings/regulator/ipq4019-regulator.txt
> new file mode 100644
> index 0000000..9d934a4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/ipq4019-regulator.txt
> @@ -0,0 +1,19 @@
> +* Qualcomm Technologies, Inc. IPQ4019 regulators
> +
> +Required properties:
> +- compatible : Must be "regulator-ipq4019".
> +- states : Selection of available voltages and corresponding values
> +- reg : Register address for controlling LDO
> +- mask : Mask value for switching voltages
> +Example:
How many LDOs are there on the IPQ4019? Can you document all of the supplies?
You can figure this out by looking for the vdd pins in the chip documentation
> +
> + vccq_sd0: regulator@0 {
> + compatible = "qcom,regulator-ipq4019";
> + regulator-name = "SD0 VccQ";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3000000>;
> + states = <3000000 0x3
> + 1800000 0x1>;
So there are only 2 states? No linear range from 1.8 to 3.3?
> + reg = <0x01948000 0x4>;
> + mask = <0x3>;
> + };
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