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authorIgor Opaniuk <igor.opaniuk@toradex.com>2019-06-06 12:06:12 +0300
committerShawn Guo <shawnguo@kernel.org>2019-06-12 21:15:32 +0800
commit20353143a27f4ded458910226d503207c9ae4688 (patch)
treea8a5a029eee9da775e365b3729415314d3f7104b /arch/arm/boot/dts/imx6ul.dtsi
parentARM: dts: imx7d: Update cpufreq OPP table (diff)
downloadlinux-dev-20353143a27f4ded458910226d503207c9ae4688.tar.xz
linux-dev-20353143a27f4ded458910226d503207c9ae4688.zip
ARM: dts: imx6ull-colibri: enable UHS-I for USDHC1
Allows to use the SD interface at a higher speed mode if the card supports it. For this the signaling voltage is switched from 3.3V to 1.8V under the usdhc1's drivers control. Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com> Reviewed-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/imx6ul.dtsi')
-rw-r--r--arch/arm/boot/dts/imx6ul.dtsi4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6ul.dtsi b/arch/arm/boot/dts/imx6ul.dtsi
index fc388b84bf22..91a0ced44e27 100644
--- a/arch/arm/boot/dts/imx6ul.dtsi
+++ b/arch/arm/boot/dts/imx6ul.dtsi
@@ -857,6 +857,8 @@
<&clks IMX6UL_CLK_USDHC1>,
<&clks IMX6UL_CLK_USDHC1>;
clock-names = "ipg", "ahb", "per";
+ fsl,tuning-step= <2>;
+ fsl,tuning-start-tap = <20>;
bus-width = <4>;
status = "disabled";
};
@@ -870,6 +872,8 @@
<&clks IMX6UL_CLK_USDHC2>;
clock-names = "ipg", "ahb", "per";
bus-width = <4>;
+ fsl,tuning-step= <2>;
+ fsl,tuning-start-tap = <20>;
status = "disabled";
};