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| author | Hao Zhang <hao.zhang@coolkit.cn> | 2025-05-09 13:14:18 +0300 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2025-05-13 21:27:00 +0300 |
| commit | f9c7ba983f7b44fe698d580dec67552123520472 (patch) | |
| tree | d6510eff2c85f42e5e20fd9fa51e751f0ac5a9d2 | |
| parent | c895c32bf1ce90839fc525c5d23cbf867ebe519a (diff) | |
| download | linux-f9c7ba983f7b44fe698d580dec67552123520472.tar.xz | |
ARM: dts: rockchip: Sonoff-iHost: adjust SDIO for stability
Reduce max-frequency from 50MHz to 25MHz to improve WiFi module stability
on some Sonoff iHost units. Remove unsupported or redundant properties,
and keep only minimal, validated configuration.
Signed-off-by: Hao Zhang <hao.zhang@coolkit.cn>
Link: https://lore.kernel.org/r/20250509101419.460473-2-hao.zhang@coolkit.cn
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
| -rw-r--r-- | arch/arm/boot/dts/rockchip/rv1126-sonoff-ihost.dtsi | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/arm/boot/dts/rockchip/rv1126-sonoff-ihost.dtsi b/arch/arm/boot/dts/rockchip/rv1126-sonoff-ihost.dtsi index 9a87dc0d5f66..088a069bb1a8 100644 --- a/arch/arm/boot/dts/rockchip/rv1126-sonoff-ihost.dtsi +++ b/arch/arm/boot/dts/rockchip/rv1126-sonoff-ihost.dtsi @@ -342,16 +342,14 @@ &sdio { bus-width = <4>; - cap-sd-highspeed; cap-sdio-irq; keep-power-in-suspend; - max-frequency = <50000000>; + max-frequency = <25000000>; mmc-pwrseq = <&sdio_pwrseq>; non-removable; pinctrl-names = "default"; pinctrl-0 = <&sdmmc1_clk &sdmmc1_cmd &sdmmc1_bus4>; rockchip,default-sample-phase = <90>; - sd-uhs-sdr50; vmmc-supply = <&vcc3v3_sd>; vqmmc-supply = <&vcc_1v8>; status = "okay"; |