Re: [PATCH] ARM: dts: microchip: sama7d65: Force SDMMC Legacy mode
From: Nicolas Ferre <nicolas.ferre@microchip.com>
Date: 2025-08-22 14:57:15
Also in:
linux-devicetree, lkml
From: Nicolas Ferre <nicolas.ferre@microchip.com>
Date: 2025-08-22 14:57:15
Also in:
linux-devicetree, lkml
On 19/08/2025 at 19:05, Ryan.Wanner@microchip.com wrote:
From: Ryan Wanner <Ryan.Wanner@microchip.com> The SDMMC in this IP currently only supports legacy mode
... but we're working on it ;-)
due to a hardware quirk, setting the flags to reflect the limitation. Signed-off-by: Ryan Wanner <Ryan.Wanner@microchip.com>
That's fair enough for the time being: Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> Regards, Nicolas
--- arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts | 2 ++ 1 file changed, 2 insertions(+)diff --git a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts index 7eaf6ca233ec..d086437f5e6f 100644 --- a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts +++ b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts@@ -387,6 +387,8 @@ &rtt { &sdmmc1 { bus-width = <4>; + no-1-8-v; + sdhci-caps-mask = <0x0 0x00200000>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_sdmmc1_default>; status = "okay";