From: Ahmad Fatoum <a.fatoum@pengutronix.de>
Date: Fri, 28 Aug 2020 13:00:02 +0000 (+0200)
Subject: ARM: dts: stm32: lxa-mc1: enable DDR50 mode on eMMC
X-Git-Url: https://repo.jachan.dev/J-linux.git/commitdiff_plain/bae2b7f6774b2db44f9001bee7465d4dadd1ede8

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

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>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
---

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;