linux-kernel - Re: [v2 1/4] dt-bindings: regulator: Add labibb regulator

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Date:   Mon, 11 May 2020 18:43:39 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Sumit Semwal <sumit.semwal@...aro.org>
Cc:     agross@...nel.org, lgirdwood@...il.com, broonie@...nel.org,
        robh+dt@...nel.org, nishakumari@...eaurora.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, kgunda@...eaurora.org,
        rnayak@...eaurora.org
Subject: Re: [v2 1/4] dt-bindings: regulator: Add labibb regulator

On Fri 08 May 13:41 PDT 2020, Sumit Semwal wrote:

> From: Nisha Kumari <nishakumari@...eaurora.org>
> 
> Adding the devicetree binding for labibb regulator.
> 
> Signed-off-by: Nisha Kumari <nishakumari@...eaurora.org>
> Signed-off-by: Sumit Semwal <sumit.semwal@...aro.org>

Sorry, I missed this when we talked about it. But please rewrite this in
yaml.

> 
> --
> v2: updated for better compatible string and names.
> ---
>  .../regulator/qcom-labibb-regulator.txt       | 47 +++++++++++++++++++
>  1 file changed, 47 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/regulator/qcom-labibb-regulator.txt
> 
> diff --git a/Documentation/devicetree/bindings/regulator/qcom-labibb-regulator.txt b/Documentation/devicetree/bindings/regulator/qcom-labibb-regulator.txt
> new file mode 100644
> index 000000000000..6e639d69f780
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/qcom-labibb-regulator.txt
> @@ -0,0 +1,47 @@
> +Qualcomm's LAB(LCD AMOLED Boost)/IBB(Inverting Buck Boost) Regulator
> +
> +LAB can be used as a positive boost power supply and IBB can be used as a negative
> +boost power supply for display panels. Currently implemented for pmi8998.
> +
> +Main node required properties:
> +
> +- compatible:			Must be:
> +				"qcom,pmi8998-lab-ibb"
> +- #address-cells:		Must be 1
> +- #size-cells:			Must be 0

But the children doesn't have reg properties...

> +
> +LAB subnode required properties:
> +
> +- interrupts:			Specify the interrupts as per the interrupt
> +				encoding.
> +- interrupt-names:		Interrupt names to match up 1-to-1 with
> +				the interrupts specified in 'interrupts'
> +				property.

Do specify the expected string (and given that you already have the
lab & ibb subnodes, you don't need to include this in the string).

Regards,
Bjorn

> +
> +IBB subnode required properties:
> +
> +- interrupts:			Specify the interrupts as per the interrupt
> +				encoding.
> +- interrupt-names:		Interrupt names to match up 1-to-1 with
> +				the interrupts specified in 'interrupts'
> +				property.
> +
> +Example:
> +	pmi8998_lsid1: pmic@3 {
> +		labibb {
> +			compatible = "qcom,pmi8998-lab-ibb";
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			lab: lab {
> +				interrupts = <0x3 0xde 0x0 IRQ_TYPE_EDGE_RISING>;
> +				interrupt-names = "lab-sc-err";
> +			};
> +
> +			ibb: ibb {
> +				interrupts = <0x3 0xdc 0x2 IRQ_TYPE_EDGE_RISING>;
> +				interrupt-names = "ibb-sc-err";
> +			};
> +
> +		};
> +	};
> -- 
> 2.26.2
>