linux-kernel - Re: [PATCH 9/9] arm64: dts: rockchip: add Photonicat PMU support for Ariaboard Photonicat

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Message-ID: <5c8b066c-6e61-44c1-b99d-4ae1a2313033@kernel.org>
Date: Fri, 6 Sep 2024 11:53:25 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Junhao Xie <bigfoot@...ssfun.cn>, devicetree@...r.kernel.org,
 linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-leds@...r.kernel.org, linux-pm@...r.kernel.org,
 linux-rtc@...r.kernel.org, linux-watchdog@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org
Cc: Jean Delvare <jdelvare@...e.com>, Guenter Roeck <linux@...ck-us.net>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Pavel Machek <pavel@....cz>,
 Lee Jones <lee@...nel.org>, Sebastian Reichel <sre@...nel.org>,
 Alexandre Belloni <alexandre.belloni@...tlin.com>,
 Wim Van Sebroeck <wim@...ux-watchdog.org>, Heiko Stuebner <heiko@...ech.de>,
 Chukun Pan <amadeus@....edu.cn>
Subject: Re: [PATCH 9/9] arm64: dts: rockchip: add Photonicat PMU support for
 Ariaboard Photonicat

On 06/09/2024 11:36, Junhao Xie wrote:
> This commit adds support for Photonicat power management MCU on
> Ariaboard Photonicat.
> 
> Signed-off-by: Junhao Xie <bigfoot@...ssfun.cn>
> ---
>  .../boot/dts/rockchip/rk3568-photonicat.dts   | 43 +++++++++++++++++++
>  1 file changed, 43 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3568-photonicat.dts b/arch/arm64/boot/dts/rockchip/rk3568-photonicat.dts
> index 2fe403cd61cb..597275702408 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3568-photonicat.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3568-photonicat.dts
> @@ -513,6 +513,49 @@ &uart4 {
>  	dma-names = "tx", "rx";
>  	status = "okay";
>  	/* Onboard power management MCU */
> +
> +	pcat_pmu: mcu {
> +		compatible = "ariaboard,photonicat-pmu";
> +		current-speed = <115200>;
> +		local-address = <1>;
> +		remote-address = <1>;
> +
> +		pcat_pmu_battery: supply-battery {

Drop unused labels. Everywhere. You are not making the code more readable.


> +			compatible = "ariaboard,photonicat-pmu-supply";
> +			label = "battery";
> +			monitored-battery = <&battery>;
> +			power-supplies = <&pcat_pmu_charger>;

Why do you reference internal design of the device as DTS? You cannot
have here other power supply, can you?

Best regards,
Krzysztof