Messages in this thread | | | Subject | Re: [Linux-stm32] [PATCH v3 3/3] ARM: dts: stm32: add initial support for stm32mp157-odyssey board | From | Christophe Kerello <> | Date | Wed, 22 Jul 2020 14:09:51 +0200 |
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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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