On Thu, Jul 05, 2018 at 03:14:23PM +0000, Pascal PAILLET-LME wrote:
> From: pascal paillet <p.paillet@xxxxxx>
>
> The STPMU1 regulators supply power to the application processor as well as
> to the external system peripherals such as DDR, Flash memories and system
> devices.
>
> Signed-off-by: pascal paillet <p.paillet@xxxxxx>
> ---
> .../bindings/regulator/st,stpmu1-regulator.txt | 72 ++++++++++++++++++++++
> 1 file changed, 72 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/regulator/st,stpmu1-regulator.txt
>
> diff --git a/Documentation/devicetree/bindings/regulator/st,stpmu1-regulator.txt b/Documentation/devicetree/bindings/regulator/st,stpmu1-regulator.txt
> new file mode 100644
> index 0000000..888e759
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/st,stpmu1-regulator.txt
> @@ -0,0 +1,72 @@
> +STMicroelectronics STPMU1 Voltage regulators
> +
> +Regulator Nodes are optional depending on needs.
> +
> +Available Regulators in STPMU1 device are:
> + - buck1 for Buck BUCK1
> + - buck2 for Buck BUCK2
> + - buck3 for Buck BUCK3
> + - buck4 for Buck BUCK4
> + - ldo1 for LDO LDO1
> + - ldo2 for LDO LDO2
> + - ldo3 for LDO LDO3
> + - ldo4 for LDO LDO4
> + - ldo5 for LDO LDO5
> + - ldo6 for LDO LDO6
> + - vref_ddr for LDO Vref DDR
> + - boost for Buck BOOST
> + - pwr_sw1 for VBUS_OTG switch
> + - pwr_sw2 for SW_OUT switch
> +
> +Switches are fixed voltage regulators with only enable/disable capability.
> +
> +Optional properties:
> +- st,mask_reset: stay on during Reset for particular regulator
s/_/-/
What's the type? 'mask' in the name makes it sound like a bitmask.
> +- regulator-pull-down: enable high pull down
> + if not specified light pull down is used
> +- regulator-over-current-protection:
> + if set, all regulators are switched off in case of over-current detection
> + on this regulator,
> + if not set, the driver only send an over-current event.
> +- interrupt-parent: phandle to the parent interrupt controller
> +- interrupts: index of current limit detection interrupt
> +- <regulator>-supply: phandle to the parent supply/regulator node
> + each regulator supply can be described except vref_ddr.
> +
> +Example:
> +regulators {
> + compatible = "st,stpmu1-regulators";
> +
> + ldo6-supply = <&v3v3>;
> +
> + vdd_core: regulator@0 {
Drop the unit address.
> + regulator-compatible = "buck1";
> + regulator-name = "vdd_core";
I think you have the names backwards here. Plus, regulator-compatible is
not generally used.
> + interrupts = <IT_CURLIM_BUCK1 0>;
> + interrupt-parent = <&pmic>;
> + st,mask_reset;
> + regulator-pull-down;
> + st,pulldown_config = <2>;
> + regulator-min-microvolt = <700000>;
> + regulator-max-microvolt = <1200000>;
> + };
> +
> + v3v3: buck4 {
> + regulator-compatible = "buck4";
> + regulator-name = "v3v3";
> + interrupts = <IT_CURLIM_BUCK4 0>;
> + interrupt-parent = <&mypmic>;
> +
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + };
> +
> + v1v8: ldo6 {
> + regulator-compatible = "ldo6";
> + regulator-name = "v1v8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-over-current-protection;
> + };
> +
> +};
> --
> 1.9.1
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