linux-kernel - Re: [PATCH 5/6] arm64: dts: rockchip: correct rk3328-roc regulator map

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Message-ID: <14451790.lVVuGzaMjS@diego>
Date: Tue, 10 Dec 2024 11:54:39 +0100
From: Heiko Stübner <heiko@...ech.de>
To: Peter Geis <pgwipeout@...il.com>
Cc: Peter Geis <pgwipeout@...il.com>, Conor Dooley <conor+dt@...nel.org>,
 Diederik de Haas <didi.debian@...ow.org>, Dragan Simic <dsimic@...jaro.org>,
 Johan Jonker <jbx6244@...il.com>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Levin Du <djw@...hip.com.cn>, Rob Herring <robh@...nel.org>,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org
Subject:
 Re: [PATCH 5/6] arm64: dts: rockchip: correct rk3328-roc regulator map

Am Dienstag, 10. Dezember 2024, 02:30:09 CET schrieb Peter Geis:
> The rk3328-roc-cc input power is sourced from a micro-usb port, while
> the rk3328-roc-pc input power is sourced from a usb-c port. Both inputs
> are 5vdc only. Remove the 12v input from the device tree.

full stop. Please don't do "While we are at it" commits.

> While we are at it, add missing voltages and supply to vcc_phy, missing
> voltages to vcc_host1_5v, and standardize the order of regulator
> properties among the fixed regulators.

This second part wants to be its own commit :-) .

Thanks
Heiko

> Fixes: 2171f4fdac06 ("arm64: dts: rockchip: add roc-rk3328-cc board")
> Signed-off-by: Peter Geis <pgwipeout@...il.com>
> ---
> 
>  arch/arm64/boot/dts/rockchip/rk3328-roc.dtsi | 23 +++++++++++++-------
>  1 file changed, 15 insertions(+), 8 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3328-roc.dtsi b/arch/arm64/boot/dts/rockchip/rk3328-roc.dtsi
> index f782c8220dd3..6984387ff8b3 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3328-roc.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3328-roc.dtsi
> @@ -24,22 +24,23 @@ gmac_clkin: external-gmac-clock {
>  		#clock-cells = <0>;
>  	};
>  
> -	dc_12v: regulator-dc-12v {
> +	/* fed from passive usb input connector */
> +	dc_5v: regulator-dc-5v {
>  		compatible = "regulator-fixed";
> -		regulator-name = "dc_12v";
> +		regulator-name = "dc_5v";
>  		regulator-always-on;
>  		regulator-boot-on;
> -		regulator-min-microvolt = <12000000>;
> -		regulator-max-microvolt = <12000000>;
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
>  	};
>  
>  	vcc_sd: regulator-sdmmc {
>  		compatible = "regulator-fixed";
> +		regulator-name = "vcc_sd";
>  		gpio = <&gpio0 RK_PD6 GPIO_ACTIVE_LOW>;
>  		pinctrl-names = "default";
>  		pinctrl-0 = <&sdmmc0m1_pin>;
>  		regulator-boot-on;
> -		regulator-name = "vcc_sd";
>  		regulator-min-microvolt = <3300000>;
>  		regulator-max-microvolt = <3300000>;
>  		vin-supply = <&vcc_io>;
> @@ -50,22 +51,25 @@ vcc_sdio: regulator-sdmmcio {
>  		states = <1800000 0x1>, <3300000 0x0>;
>  		regulator-name = "vcc_sdio";
>  		regulator-type = "voltage";
> +		regulator-always-on;
>  		regulator-min-microvolt = <1800000>;
>  		regulator-max-microvolt = <3300000>;
> -		regulator-always-on;
>  		vin-supply = <&vcc_sys>;
>  	};
>  
>  	vcc_host1_5v: vcc_otg_5v: regulator-vcc-host1-5v {
>  		compatible = "regulator-fixed";
> +		regulator-name = "vcc_host1_5v";
>  		enable-active-high;
>  		pinctrl-names = "default";
>  		pinctrl-0 = <&usb20_host_drv>;
> -		regulator-name = "vcc_host1_5v";
>  		regulator-always-on;
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
>  		vin-supply = <&vcc_sys>;
>  	};
>  
> +	/* sourced from usb input through 3A fuse */
>  	vcc_sys: regulator-vcc-sys {
>  		compatible = "regulator-fixed";
>  		regulator-name = "vcc_sys";
> @@ -73,7 +77,7 @@ vcc_sys: regulator-vcc-sys {
>  		regulator-boot-on;
>  		regulator-min-microvolt = <5000000>;
>  		regulator-max-microvolt = <5000000>;
> -		vin-supply = <&dc_12v>;
> +		vin-supply = <&dc_5v>;
>  	};
>  
>  	vcc_phy: regulator-vcc-phy {
> @@ -81,6 +85,9 @@ vcc_phy: regulator-vcc-phy {
>  		regulator-name = "vcc_phy";
>  		regulator-always-on;
>  		regulator-boot-on;
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		vin-supply = <&vcc_io>;
>  	};
>  
>  	leds {
>