linux-kernel - Re: [PATCH V3 2/3] dt-bindings: mmc: sdhci-msm: Add entries for passing load values

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Date:   Fri, 12 Oct 2018 09:55:16 -0500
From:   Rob Herring <robh@...nel.org>
To:     Veerabhadrarao Badiganti <vbadigan@...eaurora.org>
Cc:     adrian.hunter@...el.com, ulf.hansson@...aro.org,
        evgreen@...omium.org, dianders@...gle.com, asutoshd@...eaurora.org,
        riteshh@...eaurora.org, stummala@...eaurora.org,
        sayalil@...eaurora.org, linux-mmc@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Vijay Viswanath <vviswana@...eaurora.org>,
        Mark Rutland <mark.rutland@....com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V3 2/3] dt-bindings: mmc: sdhci-msm: Add entries for
 passing load values

On Mon, Oct 08, 2018 at 06:48:58PM +0530, Veerabhadrarao Badiganti wrote:
> From: Vijay Viswanath <vviswana@...eaurora.org>
> 
> The load a particular sdhc controller should request from a regulator
> is device specific and hence each device should individually vote for
> the required load.
> 
> Signed-off-by: Vijay Viswanath <vviswana@...eaurora.org>
> Signed-off-by: Veerabhadrarao Badiganti <vbadigan@...eaurora.org>
> ---
>  Documentation/devicetree/bindings/mmc/sdhci-msm.txt | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
> index 502b3b8..cb22178 100644
> --- a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
> +++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
> @@ -25,6 +25,10 @@ Required properties:
>  	"xo"	- TCXO clock (optional)
>  	"cal"	- reference clock for RCLK delay calibration (optional)
>  	"sleep"	- sleep clock for RCLK delay calibration (optional)
> +- qcom,<supply>-current-level-microamp - specifies load levels for supply during BUS_ON and
> +					BUS_OFF states in power irq. Should be specified in
> +					pairs (lpm, hpm), for BUS_OFF and BUS_ON respectively.
> +					Units uA.

Seems like something that should be common?