arm/dt: Tegra: Add support-8bit to SDHCI nodes (6111d50c) · Commits · 戴 / test

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@nvidia.com> Signed-off-by:

Arnd Bergmann <arnd@arndb.de>

arch/arm/boot/dts/tegra-harmony.dts

+1 −0

Original line number	Diff line number	Diff line
		@@ -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;
		};
		};

arch/arm/boot/dts/tegra-seaboard.dts

+4 −0

Original line number	Diff line number	Diff line
		@@ -25,4 +25,8 @@
		wp-gpios = <&gpio 57 0>; /* gpio PH1 */
		power-gpios = <&gpio 70 0>; /* gpio PI6 */
		};

		sdhci@c8000600 {
		support-8bit;
		};
		};

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