linux-kernel - Re: [PATCH v2 5/5] regulator: add documentation for regulator modes and suspend states

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Date:   Tue, 11 Dec 2018 16:13:24 -0600
From:   Rob Herring <robh@...nel.org>
To:     Claudiu.Beznea@...rochip.com
Cc:     lgirdwood@...il.com, broonie@...nel.org, mark.rutland@....com,
        Nicolas.Ferre@...rochip.com, alexandre.belloni@...tlin.com,
        Ludovic.Desroches@...rochip.com, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 5/5] regulator: add documentation for regulator modes
 and suspend states

On Tue, Nov 27, 2018 at 11:57:25AM +0000, Claudiu.Beznea@...rochip.com wrote:
> From: Claudiu Beznea <claudiu.beznea@...rochip.com>
> 
> Add documentation for regulator modes and suspend states.
> 
> Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
> ---
>  .../bindings/regulator/act8945a-regulator.txt      | 34 ++++++++++++++++++++++
>  1 file changed, 34 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/regulator/act8945a-regulator.txt b/Documentation/devicetree/bindings/regulator/act8945a-regulator.txt
> index ac955dea00d1..4017527619ab 100644
> --- a/Documentation/devicetree/bindings/regulator/act8945a-regulator.txt
> +++ b/Documentation/devicetree/bindings/regulator/act8945a-regulator.txt
> @@ -15,11 +15,17 @@ Optional input supply properties:
>    - inl67-supply: The input supply for REG_LDO3 and REG_LDO4
>  
>  Any standard regulator properties can be used to configure the single regulator.
> +regulator-initial-mode, regulator-allowed-modes and regulator-mode could be
> +specified using mode values from dt-bindings/regulator/active-semi,8945a-regulator.h
> +file.
>  
>  The valid names for regulators are:
>  	REG_DCDC1, REG_DCDC2, REG_DCDC3, REG_LDO1, REG_LDO2, REG_LDO3, REG_LDO4.
>  
>  Example:
> +
> +#include <dt-bindings/regulator/active-semi,8945a-regulator.h>

This file belongs in this patch.

> +
>  	pmic@5b {
>  		compatible = "active-semi,act8945a";
>  		reg = <0x5b>;
> @@ -32,6 +38,18 @@ Example:
>  				regulator-min-microvolt = <1350000>;
>  				regulator-max-microvolt = <1350000>;
>  				regulator-always-on;
> +
> +				regulator-allowed-modes = <ACT8945A_REGULATOR_MODE_FIXED>,
> +							  <ACT8945A_REGULATOR_MODE_LOWPOWER>;
> +				regulator-initial-mode = <ACT8945A_REGULATOR_MODE_FIXED>;
> +
> +				regulator-state-mem {
> +					regulator-on-in-suspend;
> +					regulator-suspend-min-microvolt=<1400000>;
> +					regulator-suspend-max-microvolt=<1400000>;
> +					regulator-changeable-in-suspend;
> +					regulator-mode=<ACT8945A_REGULATOR_MODE_LOWPOWER>;
> +				};
>  			};
>  
>  			vdd_1v2_reg: REG_DCDC2 {
> @@ -39,6 +57,14 @@ Example:
>  				regulator-min-microvolt = <1100000>;
>  				regulator-max-microvolt = <1300000>;
>  				regulator-always-on;
> +
> +				regulator-allowed-modes = <ACT8945A_REGULATOR_MODE_FIXED>,
> +							  <ACT8945A_REGULATOR_MODE_LOWPOWER>;
> +				regulator-initial-mode = <ACT8945A_REGULATOR_MODE_FIXED>;
> +
> +				regulator-state-mem {
> +					regulator-off-in-suspend;
> +				};
>  			};
>  
>  			vdd_3v3_reg: REG_DCDC3 {
> @@ -53,6 +79,14 @@ Example:
>  				regulator-min-microvolt = <2500000>;
>  				regulator-max-microvolt = <2500000>;
>  				regulator-always-on;
> +
> +				regulator-allowed-modes = <ACT8945A_REGULATOR_MODE_NORMAL>,
> +							  <ACT8945A_REGULATOR_MODE_LOWPOWER>;
> +				regulator-initial-mode = <ACT8945A_REGULATOR_MODE_NORMAL>;
> +
> +				regulator-state-mem {
> +					regulator-off-in-suspend;
> +				};
>  			};
>  
>  			vdd_3v3_lp_reg: REG_LDO2 {
> -- 
> 2.7.4
>