Hello,
On 19/05/2014 21:47, Carlo Caione wrote:
> Bindings documentation for the AXP20x driver. In this file also
> sub-nodes are documented.
I think this patch has been forgotten (I didn't find it in linus' tree
or linux-next tree).
Best Regards,
Boris
>
> Signed-off-by: Carlo Caione <ca...@caione.org>
> Acked-by: Maxime Ripard <maxime.rip...@free-electrons.com>
> ---
> Documentation/devicetree/bindings/mfd/axp20x.txt | 93
> ++++++++++++++++++++++++
> 1 file changed, 93 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/axp20x.txt
>
> diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt
> b/Documentation/devicetree/bindings/mfd/axp20x.txt
> new file mode 100644
> index 0000000..cc9e01b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
> @@ -0,0 +1,93 @@
> +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: Interrupt specifiers for interrupt sources
> +- interrupt-controller: axp20x has its own internal IRQs
> +- #interrupt-cells: Should be set to 1
> +- acin-supply: The input supply for LDO1
> +- vin2-supply: The input supply for DCDC2
> +- vin3-supply: The input supply for DCDC3
> +- ldo24in-supply: The input supply for LDO2, LDO4
> +- ldo3in-supply: The input supply for LDO3
> +- ldo5in-supply: The input supply for LDO5
> +
> +- regulators: A node that houses a sub-node for each regulator. The
> regulators are
> + bound using their name as listed here: dcdc2, dcdc3, ldo1, ldo2,
> + ldo3, ldo4, ldo5. The bindings details of individual regulator
> + device can be found in:
> + Documentation/devicetree/bindings/regulator/regulator.txt with
> + the exception of x-powers,dcdc-freq
> +- x-powers,dcdc-freq: defines the work frequency of DC-DC in KHz
> + (range: 750-1875). Default: 1.5MHz
> +
> +Optional properties for DCDCs:
> +- x-powers,dcdc-workmode: 1 for PWM mode, 0 for AUTO mode
> + Default: AUTO mode
> +
> +Example:
> +
> +axp209: pmic@34 {
> + compatible = "x-powers,axp209";
> + reg = <0x34>;
> + interrupt-parent = <&nmi_intc>;
> + interrupts = <0 8>;
> +
> + interrupt-controller;
> + #interrupt-cells = <1>;
> +
> + acin-supply = <&axp_ipsout_reg>;
> + vin2-supply = <&axp_ipsout_reg>;
> + vin3-supply = <&axp_ipsout_reg>;
> + ldo24in-supply = <&axp_ipsout_reg>;
> + ldo3in-supply = <&axp_ipsout_reg>;
> + ldo5in-supply = <&axp_ipsout_reg>;
> +
> + regulators {
> + x-powers,dcdc-freq = <1500>;
> +
> + axp_vcore_reg: dcdc2 {
> + regulator-min-microvolt = <700000>;
> + regulator-max-microvolt = <2275000>;
> + regulator-always-on;
> + };
> +
> + axp_ddr_reg: dcdc3 {
> + regulator-min-microvolt = <700000>;
> + regulator-max-microvolt = <3500000>;
> + regulator-always-on;
> + };
> +
> + axp_rtc_reg: ldo1 {
> + regulator-always-on;
> + };
> +
> + axp_analog_reg: ldo2 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + axp_pll_reg: ldo3 {
> + regulator-min-microvolt = <700000>;
> + regulator-max-microvolt = <3500000>;
> + };
> +
> + axp_hdmi_reg: ldo4 {
> + regulator-min-microvolt = <1250000>;
> + regulator-max-microvolt = <3300000>;
> + };
> +
> + axp_mic_reg: ldo5 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + };
> + };
> +};
> +
--
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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