Re: [PATCH] ARM: dts: stm32: add sd-uhs properties in SD-card node for stm32mp157c-ed1

From: Alexandre Torgue
Date: Tue May 05 2020 - 07:52:04 EST


Hi Yann

On 4/30/20 12:16 PM, Yann Gautier wrote:
The sdmmc1 peripheral is connected on SD-card on STM32MP1-ED1 board.
Add the UHS features the controller is able to manage.
Those features require a level shifter on the board, and the support of
the voltage switch in driver, which is done in Linux v5.7.

Signed-off-by: Ludovic Barre <ludovic.barre@xxxxxx>
Signed-off-by: Yann Gautier <yann.gautier@xxxxxx>
---
arch/arm/boot/dts/stm32mp157c-ed1.dts | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp157c-ed1.dts b/arch/arm/boot/dts/stm32mp157c-ed1.dts
index 9d2592db630c..1d7dfe97b160 100644
--- a/arch/arm/boot/dts/stm32mp157c-ed1.dts
+++ b/arch/arm/boot/dts/stm32mp157c-ed1.dts
@@ -320,6 +320,10 @@
bus-width = <4>;
vmmc-supply = <&vdd_sd>;
vqmmc-supply = <&sd_switch>;
+ sd-uhs-sdr12;
+ sd-uhs-sdr25;
+ sd-uhs-sdr50;
+ sd-uhs-ddr50;
status = "okay";
};


Applied on stm32-next.

Thanks.
Alex