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Date: Thu, 02 May 2024 03:28:39 +0200
From: Dragan Simic <dsimic@...jaro.org>
To: Folker Schwesinger <dev@...ker-schwesinger.de>
Cc: Chukun Pan <amadeus@....edu.cn>, Heiko Stuebner <heiko@...ech.de>, Conor
Dooley <conor+dt@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Rob
Herring <robh@...nel.org>, linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org
Subject: Re: [PATCH v2 2/2] arm64: dts: rockchip: Add Radxa ROCK 3C
Hello Folker,
On 2024-04-30 07:42, Folker Schwesinger wrote:
> On Sun Apr 28, 2024 at 2:36 PM CEST, Chukun Pan wrote:
>> [...]
>> +&sdhci {
>> + bus-width = <8>;
>> + max-frequency = <200000000>;
>> + mmc-hs200-1_8v;
>
> Out of curiosity, does this board also support HS400? From a very brief
> look this board seems quite similar to Rock 4 series boards, that do
> support HS400.
In a word, no, unfortunately. In more detail, the Rockchip RK3566
and RK3568 SoCs support the eMMC modes up to and including HS200, but
not the HS400 mode.
>> + non-removable;
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&emmc_bus8 &emmc_clk &emmc_cmd &emmc_datastrobe>;
>> + vmmc-supply = <&vcc_3v3>;
>> + vqmmc-supply = <&vcc_1v8>;
>> + status = "okay";
>> +};
>
>
> _______________________________________________
> Linux-rockchip mailing list
> Linux-rockchip@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-rockchip
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