[PATCH v2 3/4] arm64: add support for i.MX8M EVK board

[Juergen Borleis]

On Friday 23 February 2018 16:03:53 Shawn Guo wrote:
> On Thu, Feb 01, 2018 at 07:31:25PM +0100, Lucas Stach wrote:
> > +&usdhc1 {
> > +	pinctrl-names = "default", "state_100mhz", "state_200mhz";
> > +	pinctrl-0 = <&pinctrl_usdhc1_cd_reset>, <&pinctrl_usdhc1_clk_strobe>,
> > +	            <&pinctrl_usdhc1_data>;
> > +	pinctrl-1 = <&pinctrl_usdhc1_cd_reset>,
> > +	            <&pinctrl_usdhc1_clk_strobe_100mhz>,
> > +	            <&pinctrl_usdhc1_data_100mhz>;
> > +	pinctrl-2 = <&pinctrl_usdhc1_cd_reset>,
> > +	            <&pinctrl_usdhc1_clk_strobe_200mhz>,
> > +	            <&pinctrl_usdhc1_data_200mhz>;
> > +	vqmmc-supply = <&sw4_reg>;
> > +	bus-width = <8>;
> > +	non-removable;
> > +	no-sd;
> > +	no-sdio;
> > +	status = "okay";
> > +};
>
> I'm not sure it can be enabled right now.  Per my testing, eMMC is not
> working yet.
>
> [    0.879756] mmc0: Switching to 3.3V signalling voltage failed
> [    0.913587] mmc0: SDHCI controller on 30b40000.usdhc [30b40000.usdhc]
> using ADMA ...
> [    1.007628] mmc0: switch to high-speed from hs200 failed, err:-110
> [    1.013873] mmc0: error -110 whilst initialising MMC card
> [    1.020639] mmc0: Switching to 3.3V signalling voltage failed
> ...
> [    1.132462] mmc0: switch to high-speed from hs200 failed, err:-110
> [    1.138674] mmc0: error -110 whilst initialising MMC card
> [    1.145394] mmc0: Switching to 3.3V signalling voltage failed
> [    1.268367] mmc0: switch to high-speed from hs200 failed, err:-110
> [    1.274576] mmc0: error -110 whilst initialising MMC card
> [    1.281291] mmc0: Switching to 3.3V signalling voltage failed
> [    1.440708] mmc0: switch to high-speed from hs200 failed, err:-110
> [    1.446919] mmc0: error -110 whilst initialising MMC card
>
> Or am I missing anything?

Property "no-1-8-v;" if no 1.8 V is available?

jb

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Pengutronix e.K.                             | Juergen Borleis             |
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