[PATCH 3/3] arm/dt: Tegra: Add support-bit to SDHCI nodes
Stephen Warren
swarren at nvidia.com
Tue Aug 30 15:17:17 EDT 2011
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 <swarren at nvidia.com>
---
This depends on patch 1 in this series. I assume Grant or Arnd will apply
them both to whatever branch usually takes .dts updates.
arch/arm/boot/dts/tegra-harmony.dts | 1 +
arch/arm/boot/dts/tegra-seaboard.dts | 4 ++++
2 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/tegra-harmony.dts b/arch/arm/boot/dts/tegra-harmony.dts
index e581866..0e225b8 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 64cedca..a72299b 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 at c8000600 {
+ support-8bit;
+ };
};
--
1.7.0.4
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