linux-kernel - [PATCH 0/2] arm: dts: rockchip: Adapt to IO domain and SDIO for Sonoff iHost

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Message-Id: <20250509085657.309934-1-hao.zhang@coolkit.cn>
Date: Fri,  9 May 2025 16:56:55 +0800
From: Hao Zhang <hao.zhang@...lkit.cn>
To: heiko@...ech.de
Cc: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	tim@...thertop.org,
	linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"hao.zhang" <hao.zhang@...lkit.cn>
Subject: [PATCH 0/2] arm: dts: rockchip: Adapt to IO domain and SDIO for Sonoff iHost

From: "hao.zhang" <hao.zhang@...lkit.cn>

This patch series makes two corrections for the RV1126-based 
Sonoff iHost board:

- Patch 1 adjusts the SDIO max-frequency to improve WiFi stability.
- Patch 2 updates the IO domain voltages to match the board schematics.

The voltage fix is based on verified schematics and helps avoid potential
hardware instability due to mismatched IO levels. 

Tested on multiple units with improved long-term WiFi operation.

Tim Lunn is Cc'd as the original board support contributor.

*** BLURB HERE ***

hao.zhang (2):
  ARM: dts: rockchip: Sonoff-iHost: adjust SDIO for stability
  ARM: dts: rockchip: Sonoff-iHost: correct IO domain voltages

 .../arm/boot/dts/rockchip/rv1126-sonoff-ihost.dtsi | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

-- 
2.34.1