linux-kernel - Re: [PATCH v3 2/2] arm64: dts: rockchip: Add Radxa ZERO 3W/3E

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Date: Tue, 16 Apr 2024 10:05:09 +0200
From: Jonas Karlman <jonas@...boo.se>
To: Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley
 <conor+dt@...nel.org>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/2] arm64: dts: rockchip: Add Radxa ZERO 3W/3E

On 2024-04-15 17:03, Jonas Karlman wrote:
> The Radxa ZERO 3W/3E is an ultra-small, high-performance single board
> computer based on the Rockchip RK3566, with a compact form factor and
> rich interfaces.
> 
> The ZERO 3W and ZERO 3E are basically the same size and model, but
> differ only in storage and network interfaces.
> 
> - eMMC (3W)
> - SD-card (both)
> - Ethernet (3E)
> - WiFi/BT (3W)
> 
> This adds initial support for eMMC, SD-card, Ethernet, HDMI and USB.
> 
> Signed-off-by: Jonas Karlman <jonas@...boo.se>
> ---
> v2: Add to Makefile
> v3: Sort hdmi-con and leds nodes alphabetically
> v3: Sort pmic@20 and regulator@40 nodes by reg
> v3: Change to regulator-off-in-suspend for vdd_logic
> 
> Following issue is reported by dtbs_check and is fixed by patch at [1]:
> 
>   hdmi@...a0000: Unevaluated properties are not allowed ('#sound-dai-cells' was unexpected)
>   from schema $id: http://devicetree.org/schemas/display/rockchip/rockchip,dw-hdmi.yaml#
> 
> [1] https://lore.kernel.org/linux-rockchip/3a035c16-75b5-471d-aa9d-e91c2bb9f8d0@gmail.com/
> ---
>  arch/arm64/boot/dts/rockchip/Makefile         |   2 +
>  .../dts/rockchip/rk3566-radxa-zero-3e.dts     |  41 ++
>  .../dts/rockchip/rk3566-radxa-zero-3w.dts     |  26 +
>  .../boot/dts/rockchip/rk3566-radxa-zero3.dtsi | 443 ++++++++++++++++++
>  4 files changed, 512 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/rockchip/rk3566-radxa-zero-3e.dts
>  create mode 100644 arch/arm64/boot/dts/rockchip/rk3566-radxa-zero-3w.dts
>  create mode 100644 arch/arm64/boot/dts/rockchip/rk3566-radxa-zero3.dtsi
> 

[snip]

> diff --git a/arch/arm64/boot/dts/rockchip/rk3566-radxa-zero3.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-radxa-zero3.dtsi
> new file mode 100644
> index 000000000000..ea8ade3a4c99
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/rk3566-radxa-zero3.dtsi

[snip]

> +
> +&i2c0 {
> +	status = "okay";
> +

[snip]

> +	vdd_cpu: regulator@40 {
> +		compatible = "silergy,syr827";

After checking once more on schematic and inspecting the board this is
actually a RK860-0 regulator and should use following:

  compatible = "rockchip,rk8600";

Will send a v4 with this change later this week.

Regards,
Jonas

> +		reg = <0x40>;
> +		fcs,suspend-voltage-selector = <1>;
> +		regulator-name = "vdd_cpu";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <712500>;
> +		regulator-max-microvolt = <1390000>;
> +		regulator-ramp-delay = <2300>;
> +		vin-supply = <&vcc_sys>;
> +
> +		regulator-state-mem {
> +			regulator-off-in-suspend;
> +		};
> +	};
> +};

[snip]