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| author | Igor Opaniuk <igor.opaniuk@toradex.com> | 2019-06-06 12:06:12 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2019-06-12 16:15:32 +0300 |
| commit | 20353143a27f4ded458910226d503207c9ae4688 (patch) | |
| tree | a8a5a029eee9da775e365b3729415314d3f7104b /arch/arm/boot/dts/imx6ul.dtsi | |
| parent | d7bfba7296ca02123938719c2192d1fae6e1b148 (diff) | |
| download | linux-20353143a27f4ded458910226d503207c9ae4688.tar.xz | |
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.dtsi | 4 |
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"; }; |