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Message-ID: <mhng-854afd5f-800b-4b58-af68-cdc6afdc0a4a@palmer-ri-x1c9>
Date:   Thu, 16 Dec 2021 21:35:00 -0800 (PST)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     plr.vincent@...il.com
CC:     robh+dt@...nel.org, Paul Walmsley <paul.walmsley@...ive.com>,
        aou@...s.berkeley.edu, krzysztof.kozlowski@...onical.com,
        qiuwenbo@...inos.com.cn, devicetree@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        david.abdurachmanov@...ive.com
Subject:     Re: [PATCH v3 4/6] riscv: dts: sifive unmatched: Expose the FU740 core supply regulator

On Fri, 19 Nov 2021 14:55:40 PST (-0800), plr.vincent@...il.com wrote:
> Provides monitoring of core voltage and current:
> tps544b20-i2c-0-1e
> Adapter: i2c-ocores
> vout1:       906.00 mV
> temp1:        -40.0°C  (high = +125.0°C, crit = +150.0°C)
> iout1:         5.06 A  (max = +20.00 A, crit max = +26.00 A)
>
> Signed-off-by: Vincent Pelletier <plr.vincent@...il.com>
>
> ---
> Note: checkpatch.pl complains about undocumented devicetree binding,
> which is fixed by:
>   https://lore.kernel.org/linux-devicetree/20211116110207.68494-1-krzysztof.kozlowski@canonical.com/T/#u
>
> Changes since v2:
> - Fix end-of-commit-message separator so change lists do not end up in them.
> Changes since v1:
> - Added missing "ti," prefix in compatible string.
> - Remove trailing "." on subject line.
> - Rename tree node.

I see this in Rob's for-next as 761de79adc2c ("dt-bindings: hwmon: add
TI DC-DC converters"), so I'm going to hold off on this one until the
bindings land.

I've put the others on fixes.

Thanks!

> ---
>  arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
> index 270360b258b7..6e7775fdae32 100644
> --- a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
> +++ b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
> @@ -51,6 +51,11 @@ &uart1 {
>  &i2c0 {
>  	status = "okay";
>
> +	regulator@1e {
> +		compatible = "ti,tps544b20";
> +		reg = <0x1e>;
> +	};
> +
>  	temperature-sensor@4c {
>  		compatible = "ti,tmp451";
>  		reg = <0x4c>;

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