linux-kernel - Re: [PATCH] arm64: dts: exynos: gs101-oriole: add regulators for USB phy

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Date: Mon, 17 Jun 2024 19:31:17 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: André Draszik <andre.draszik@...aro.org>,
 Peter Griffin <peter.griffin@...aro.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>
Cc: Tudor Ambarus <tudor.ambarus@...aro.org>,
 Will McVicker <willmcvicker@...gle.com>, Roy Luo <royluo@...gle.com>,
 kernel-team@...roid.com, linux-arm-kernel@...ts.infradead.org,
 linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: exynos: gs101-oriole: add regulators for USB
 phy

On 17/06/2024 18:52, André Draszik wrote:
> The USB phy requires various power supplies to work.
> 
> While we don't have a PMIC driver yet, they should still be added to
> the DT. Do so.
> 
> Signed-off-by: André Draszik <andre.draszik@...aro.org>
> ---
> Note that this patch depends on the updated DT binding from
> https://lore.kernel.org/r/20240617-usb-phy-gs101-v3-0-b66de9ae7424@linaro.org
> ---
>  arch/arm64/boot/dts/exynos/google/gs101-oriole.dts | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
> index 5e8ffe065081..1a79d9ab3be0 100644
> --- a/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
> +++ b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
> @@ -145,6 +145,13 @@ &usbdrd31_dwc3 {
>  };
>  
>  &usbdrd31_phy {
> +	/* TODO: Update these once PMIC is implemented */

Rather provide fixed regulators with such remark that they substitute
missing PMIC.

Best regards,
Krzysztof