[Linux-stm32] [PATCH v3 3/3] ARM: dts: stm32: add initial support for stm32mp157-odyssey board
Christophe Kerello
christophe.kerello at st.com
Wed Jul 22 08:09:51 EDT 2020
Hello Marcin,
On 7/21/20 8:53 PM, Marcin Sloniewski wrote:
> +&sdmmc2 {
> + pinctrl-names = "default", "opendrain", "sleep";
> + pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_a>;
> + pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_a>;
> + pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_a>;
> + non-removable;
> + no-sd;
> + no-sdio;
> + st,neg-edge;
> + bus-width = <4>;
> + vmmc-supply = <&v3v3>;
> + vqmmc-supply = <&v3v3>;
> + mmc-ddr-3_3v;
> + status = "okay";
> +};
Based on the pins muxed, 8 data lines are configured, but the bus width
is set to 4. What is the reason of not setting this property to 8?
Regards,
Christophe Kerello.
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