linux-kernel - Re: [PATCH v2 3/5] dt-bindings: iio: adc: rockchip-saradc: Allow use of a power-domain

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Message-ID: <175327845184.2145175.4601554796265618767.robh@kernel.org>
Date: Wed, 23 Jul 2025 08:47:34 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Jonas Karlman <jonas@...boo.se>
Cc: Yao Zi <ziyao@...root.org>, Andy Shevchenko <andy@...nel.org>,
	Chukun Pan <amadeus@....edu.cn>, Heiko Stuebner <heiko@...ech.de>,
	linux-arm-kernel@...ts.infradead.org,
	Jonathan Cameron <jic23@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Nuno Sá <nuno.sa@...log.com>,
	linux-rockchip@...ts.infradead.org,
	David Lechner <dlechner@...libre.com>, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, linux-iio@...r.kernel.org,
	Krzysztof Kozlowski <krzk+dt@...nel.org>
Subject: Re: [PATCH v2 3/5] dt-bindings: iio: adc: rockchip-saradc: Allow use
 of a power-domain


On Wed, 23 Jul 2025 08:56:45 +0000, Jonas Karlman wrote:
> The SARADC controller in most Rockchip SoCs are part of power domains
> that are always powered on, i.e. PD_BUS or PD_PERI. These always powered
> on power domains have typically not been described in the device tree.
> 
> Because these power domains have been left out of the device tree there
> has not been any real need to properly describe the power domain of the
> SARADC controller.
> 
> On RK3528 the SARADC controller is part of the PD_VPU power domain.
> 
> Add support to describe an optional power-domains for the SARADC
> controller in Rockchip SoCs.
> 
> Signed-off-by: Jonas Karlman <jonas@...boo.se>
> ---
> v2: Update commit message
> ---
>  Documentation/devicetree/bindings/iio/adc/rockchip-saradc.yaml | 3 +++
>  1 file changed, 3 insertions(+)
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>