| Message ID | 1424431168-25157-2-git-send-email-wens@csie.org |
|---|---|
| State | Accepted, archived |
| Commit | cf1d54394dd5ee04ca4a88283deaaade37d12882 |
| Headers | show |
On Fri, Feb 20, 2015 at 7:19 PM, Chen-Yu Tsai <wens@csie.org> wrote: > From: Carlo Caione <carlo@caione.org> > > Bindings documentation for the AXP20x driver. In this file also > sub-nodes are documented. > > Signed-off-by: Carlo Caione <carlo@caione.org> > [wens@csie.org: clarify interrupt source for the axp PMIC] > [wens@csie.org: explain dcdc-workmode in detail and trim lines to 80 chars] > [wens@csie.org: make regulator supplies optional if using unregulated input] > [wens@csie.org: use cubieboard2 regulator nodes as example] > [wens@csie.org: x-powers,dcdc-workmode default changed to 'current hardware > setting'] > [wens@csie.org: reorganized regulator related properties into separate > section.] > Signed-off-by: Chen-Yu Tsai <wens@csie.org> Ping? -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Sat, 07 Mar 2015, Chen-Yu Tsai wrote: > On Fri, Feb 20, 2015 at 7:19 PM, Chen-Yu Tsai <wens@csie.org> wrote: > > From: Carlo Caione <carlo@caione.org> > > > > Bindings documentation for the AXP20x driver. In this file also > > sub-nodes are documented. > > > > Signed-off-by: Carlo Caione <carlo@caione.org> > > [wens@csie.org: clarify interrupt source for the axp PMIC] > > [wens@csie.org: explain dcdc-workmode in detail and trim lines to 80 chars] > > [wens@csie.org: make regulator supplies optional if using unregulated input] > > [wens@csie.org: use cubieboard2 regulator nodes as example] > > [wens@csie.org: x-powers,dcdc-workmode default changed to 'current hardware > > setting'] > > [wens@csie.org: reorganized regulator related properties into separate > > section.] > > Signed-off-by: Chen-Yu Tsai <wens@csie.org> > > Ping? Don't do that. It won't speed up the review. If you think your set has been fogotten about (this one has not) resend with s/PATCH/RESEND/ in the subject line.
On Fri, Feb 20, 2015 at 07:19:27PM +0800, Chen-Yu Tsai wrote: > From: Carlo Caione <carlo@caione.org> > > Bindings documentation for the AXP20x driver. In this file also > sub-nodes are documented. > > Signed-off-by: Carlo Caione <carlo@caione.org> > [wens@csie.org: clarify interrupt source for the axp PMIC] > [wens@csie.org: explain dcdc-workmode in detail and trim lines to 80 chars] > [wens@csie.org: make regulator supplies optional if using unregulated input] > [wens@csie.org: use cubieboard2 regulator nodes as example] > [wens@csie.org: x-powers,dcdc-workmode default changed to 'current hardware > setting'] > [wens@csie.org: reorganized regulator related properties into separate > section.] > Signed-off-by: Chen-Yu Tsai <wens@csie.org> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Thanks! Maxime
On Fri, 20 Feb 2015, Chen-Yu Tsai wrote: > From: Carlo Caione <carlo@caione.org> > > Bindings documentation for the AXP20x driver. In this file also > sub-nodes are documented. > > Signed-off-by: Carlo Caione <carlo@caione.org> > [wens@csie.org: clarify interrupt source for the axp PMIC] > [wens@csie.org: explain dcdc-workmode in detail and trim lines to 80 chars] > [wens@csie.org: make regulator supplies optional if using unregulated input] > [wens@csie.org: use cubieboard2 regulator nodes as example] > [wens@csie.org: x-powers,dcdc-workmode default changed to 'current hardware > setting'] > [wens@csie.org: reorganized regulator related properties into separate > section.] > Signed-off-by: Chen-Yu Tsai <wens@csie.org> > --- > Documentation/devicetree/bindings/mfd/axp20x.txt | 96 ++++++++++++++++++++++++ > 1 file changed, 96 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/axp20x.txt Applied, thanks. > diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt > new file mode 100644 > index 000000000000..98685f291a72 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/axp20x.txt > @@ -0,0 +1,96 @@ > +AXP202/AXP209 device tree bindings > + > +The axp20x family current members : > +axp202 (X-Powers) > +axp209 (X-Powers) > + > +Required properties: > +- compatible: "x-powers,axp202" or "x-powers,axp209" > +- reg: The I2C slave address for the AXP chip > +- interrupt-parent: The parent interrupt controller > +- interrupts: SoC NMI / GPIO interrupt connected to the PMIC's IRQ pin > +- interrupt-controller: axp20x has its own internal IRQs > +- #interrupt-cells: Should be set to 1 > + > +Optional properties: > +- x-powers,dcdc-freq: defines the work frequency of DC-DC in KHz > + (range: 750-1875). Default: 1.5MHz > +- <input>-supply: a phandle to the regulator supply node. May be omitted if > + inputs are unregulated, such as using the IPSOUT output > + from the PMIC. > + > +- regulators: A node that houses a sub-node for each regulator. Regulators > + not used but preferred to be managed by the OS should be > + listed as well. > + See Documentation/devicetree/bindings/regulator/regulator.txt > + for more information on standard regulator bindings. > + > +Optional properties for DCDC regulators: > +- x-powers,dcdc-workmode: 1 for PWM mode, 0 for AUTO (PWM/PFM) mode > + Default: Current hardware setting > + The DCDC regulators work in a mixed PWM/PFM mode, > + using PFM under light loads and switching to PWM > + for heavier loads. Forcing PWM mode trades efficiency > + under light loads for lower output noise. This > + probably makes sense for HiFi audio related > + applications that aren't battery constrained. > + > + > +AXP202/AXP209 regulators, type, and corresponding input supply names: > + > +Regulator Type Supply Name Notes > +--------- ---- ----------- ----- > +DCDC2 : DC-DC buck : vin2-supply > +DCDC3 : DC-DC buck : vin3-supply > +LDO1 : LDO : acin-supply : always on > +LDO2 : LDO : ldo24in-supply : shared supply > +LDO3 : LDO : ldo3in-supply > +LDO4 : LDO : ldo24in-supply : shared supply > +LDO5 : LDO : ldo5in-supply > + > +Example: > + > +axp209: pmic@34 { > + compatible = "x-powers,axp209"; > + reg = <0x34>; > + interrupt-parent = <&nmi_intc>; > + interrupts = <0 IRQ_TYPE_LEVEL_LOW>; > + interrupt-controller; > + #interrupt-cells = <1>; > + > + regulators { > + x-powers,dcdc-freq = <1500>; > + > + vdd_cpu: dcdc2 { > + regulator-always-on; > + regulator-min-microvolt = <1000000>; > + regulator-max-microvolt = <1450000>; > + regulator-name = "vdd-cpu"; > + }; > + > + vdd_int_dll: dcdc3 { > + regulator-always-on; > + regulator-min-microvolt = <1000000>; > + regulator-max-microvolt = <1400000>; > + regulator-name = "vdd-int-dll"; > + }; > + > + vdd_rtc: ldo1 { > + regulator-always-on; > + regulator-min-microvolt = <1200000>; > + regulator-max-microvolt = <1400000>; > + regulator-name = "vdd-rtc"; > + }; > + > + avcc: ldo2 { > + regulator-always-on; > + regulator-min-microvolt = <2700000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "avcc"; > + }; > + > + ldo3 { > + /* unused but preferred to be managed by OS */ > + }; > + }; > +};
diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt new file mode 100644 index 000000000000..98685f291a72 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/axp20x.txt @@ -0,0 +1,96 @@ +AXP202/AXP209 device tree bindings + +The axp20x family current members : +axp202 (X-Powers) +axp209 (X-Powers) + +Required properties: +- compatible: "x-powers,axp202" or "x-powers,axp209" +- reg: The I2C slave address for the AXP chip +- interrupt-parent: The parent interrupt controller +- interrupts: SoC NMI / GPIO interrupt connected to the PMIC's IRQ pin +- interrupt-controller: axp20x has its own internal IRQs +- #interrupt-cells: Should be set to 1 + +Optional properties: +- x-powers,dcdc-freq: defines the work frequency of DC-DC in KHz + (range: 750-1875). Default: 1.5MHz +- <input>-supply: a phandle to the regulator supply node. May be omitted if + inputs are unregulated, such as using the IPSOUT output + from the PMIC. + +- regulators: A node that houses a sub-node for each regulator. Regulators + not used but preferred to be managed by the OS should be + listed as well. + See Documentation/devicetree/bindings/regulator/regulator.txt + for more information on standard regulator bindings. + +Optional properties for DCDC regulators: +- x-powers,dcdc-workmode: 1 for PWM mode, 0 for AUTO (PWM/PFM) mode + Default: Current hardware setting + The DCDC regulators work in a mixed PWM/PFM mode, + using PFM under light loads and switching to PWM + for heavier loads. Forcing PWM mode trades efficiency + under light loads for lower output noise. This + probably makes sense for HiFi audio related + applications that aren't battery constrained. + + +AXP202/AXP209 regulators, type, and corresponding input supply names: + +Regulator Type Supply Name Notes +--------- ---- ----------- ----- +DCDC2 : DC-DC buck : vin2-supply +DCDC3 : DC-DC buck : vin3-supply +LDO1 : LDO : acin-supply : always on +LDO2 : LDO : ldo24in-supply : shared supply +LDO3 : LDO : ldo3in-supply +LDO4 : LDO : ldo24in-supply : shared supply +LDO5 : LDO : ldo5in-supply + +Example: + +axp209: pmic@34 { + compatible = "x-powers,axp209"; + reg = <0x34>; + interrupt-parent = <&nmi_intc>; + interrupts = <0 IRQ_TYPE_LEVEL_LOW>; + interrupt-controller; + #interrupt-cells = <1>; + + regulators { + x-powers,dcdc-freq = <1500>; + + vdd_cpu: dcdc2 { + regulator-always-on; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1450000>; + regulator-name = "vdd-cpu"; + }; + + vdd_int_dll: dcdc3 { + regulator-always-on; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1400000>; + regulator-name = "vdd-int-dll"; + }; + + vdd_rtc: ldo1 { + regulator-always-on; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1400000>; + regulator-name = "vdd-rtc"; + }; + + avcc: ldo2 { + regulator-always-on; + regulator-min-microvolt = <2700000>; + regulator-max-microvolt = <3300000>; + regulator-name = "avcc"; + }; + + ldo3 { + /* unused but preferred to be managed by OS */ + }; + }; +};