linux-kernel - [PATCH v5 3/3] arm64: dts: rockchip: Add support for CM5 IO carrier

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Message-ID: <20250711230916.2089410-1-dmitriy@filchenko.org>
Date: Fri, 11 Jul 2025 17:09:16 -0600
From: Dmitriy Filchenko <dmitriy@...chenko.org>
To: joseph.kogut@...il.com
Cc: conor+dt@...nel.org,
	derosier@...-sierra.com,
	devicetree@...r.kernel.org,
	heiko@...ech.de,
	honyuenkwun@...il.com,
	krzk+dt@...nel.org,
	linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	robh@...nel.org
Subject: [PATCH v5 3/3] arm64: dts: rockchip: Add support for CM5 IO carrier

Should `vdd_cpu_lit_s0` and some others be in the SoM device tree instead of the IO board? I see it on page 18 of the schematic https://dl.radxa.com/cm5/v2210/radxa_cm5_v2210_schematic.pdf

Additionally, I am getting the following during boot:
```
[   38.190604] rockchip-pm-domain fd8d8000.power-management:power-controller: Failed to create device link (0x180) with supplier spi2.0 for /power-management@...d8000/power-controller/power-domain@12
```

The device is an RK3588s CM5 on the IO board powered through the barrel jack.

--
Dmitriy