From 6111d50c5885f6ba00dc935e44bcbbcd63b3915d Mon Sep 17 00:00:00 2001 From: Stephen Warren Date: Tue, 20 Sep 2011 10:46:26 -0600 Subject: [PATCH] arm/dt: Tegra: Add support-8bit to SDHCI nodes For Seaboard's internal eMMC, this makes the difference between a 5.5MB/s and 10.2MB/s transfer rate. On Harmony, there wasn't any measurable difference on my cheap/slow ~2MB/s card. Signed-off-by: Stephen Warren Signed-off-by: Arnd Bergmann --- arch/arm/boot/dts/tegra-harmony.dts | 1 + arch/arm/boot/dts/tegra-seaboard.dts | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/arch/arm/boot/dts/tegra-harmony.dts b/arch/arm/boot/dts/tegra-harmony.dts index e5818668d091..0e225b86b652 100644 --- a/arch/arm/boot/dts/tegra-harmony.dts +++ b/arch/arm/boot/dts/tegra-harmony.dts @@ -66,5 +66,6 @@ cd-gpios = <&gpio 58 0>; /* gpio PH2 */ wp-gpios = <&gpio 59 0>; /* gpio PH3 */ power-gpios = <&gpio 70 0>; /* gpio PI6 */ + support-8bit; }; }; diff --git a/arch/arm/boot/dts/tegra-seaboard.dts b/arch/arm/boot/dts/tegra-seaboard.dts index 64cedca6fc79..a72299b8e668 100644 --- a/arch/arm/boot/dts/tegra-seaboard.dts +++ b/arch/arm/boot/dts/tegra-seaboard.dts @@ -25,4 +25,8 @@ wp-gpios = <&gpio 57 0>; /* gpio PH1 */ power-gpios = <&gpio 70 0>; /* gpio PI6 */ }; + + sdhci@c8000600 { + support-8bit; + }; }; -- 2.39.2