diff mbox series

ARM: dts: stm32: lxa-mc1: enable DDR50 mode on eMMC

Message ID 20200828130002.1701-1-h.assmann@pengutronix.de (mailing list archive)
State New, archived
Headers show
Series ARM: dts: stm32: lxa-mc1: enable DDR50 mode on eMMC | expand

Commit Message

Holger Assmann Aug. 28, 2020, 1 p.m. UTC
From: Ahmad Fatoum <a.fatoum@pengutronix.de>

The "eMMC high-speed DDR mode (3.3V I/O)" at 50MHz is supported on
the eMMC-interface of the lxa-mc1. Set it in the device tree to
benefit from the speed improvement.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Holger Assmann <h.assmann@pengutronix.de>
---
 arch/arm/boot/dts/stm32mp157c-lxa-mc1.dts | 1 +
 1 file changed, 1 insertion(+)

Comments

Alexandre TORGUE Sept. 23, 2020, 3:31 p.m. UTC | #1
Hi

On 8/28/20 3:00 PM, Holger Assmann wrote:
> From: Ahmad Fatoum <a.fatoum@pengutronix.de>
> 
> The "eMMC high-speed DDR mode (3.3V I/O)" at 50MHz is supported on
> the eMMC-interface of the lxa-mc1. Set it in the device tree to
> benefit from the speed improvement.
> 
> Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
> Signed-off-by: Holger Assmann <h.assmann@pengutronix.de>
> ---
>   arch/arm/boot/dts/stm32mp157c-lxa-mc1.dts | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm/boot/dts/stm32mp157c-lxa-mc1.dts b/arch/arm/boot/dts/stm32mp157c-lxa-mc1.dts
> index b85025d00943..1e5333fd437f 100644
> --- a/arch/arm/boot/dts/stm32mp157c-lxa-mc1.dts
> +++ b/arch/arm/boot/dts/stm32mp157c-lxa-mc1.dts
> @@ -212,6 +212,7 @@
>   	pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_b>;
>   	pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_b>;
>   	bus-width = <8>;
> +	mmc-ddr-3_3v;
>   	no-1-8-v;
>   	no-sd;
>   	no-sdio;
> 

Applied on stm32-next.

Thanks.
Alex
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/stm32mp157c-lxa-mc1.dts b/arch/arm/boot/dts/stm32mp157c-lxa-mc1.dts
index b85025d00943..1e5333fd437f 100644
--- a/arch/arm/boot/dts/stm32mp157c-lxa-mc1.dts
+++ b/arch/arm/boot/dts/stm32mp157c-lxa-mc1.dts
@@ -212,6 +212,7 @@ 
 	pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_b>;
 	pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_b>;
 	bus-width = <8>;
+	mmc-ddr-3_3v;
 	no-1-8-v;
 	no-sd;
 	no-sdio;