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| author | Klaus Goger <klaus.goger@theobroma-systems.com> | 2018-04-05 12:32:42 +0200 |
|---|---|---|
| committer | Klaus Goger <klaus.goger@theobroma-systems.com> | 2018-04-05 12:32:42 +0200 |
| commit | babed74750059667da70eaeea021270016091277 (patch) | |
| tree | fc8b0ad36d8f618075fd737c9c4ad9db1754fb42 | |
| parent | 6f1ea05ed4d781e70bc6b6115ea623deff4be825 (diff) | |
Reduce SD IO Voltage to 3.0V
The SD-Card IO rail on the RK3399 should not be operated higher than
3.15V. We reduce it to 3.0V. Note that the I/Os on the Qseven edge
connector will still be 3.3V as expected.
Signed-off-by: Klaus Goger <klaus.goger@theobroma-systems.com>
| -rw-r--r-- | arch/arm64/boot/dts/rockchip/rk3399-puma.dts | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma.dts b/arch/arm64/boot/dts/rockchip/rk3399-puma.dts index de6165978941..6973e5d90c21 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-puma.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-puma.dts @@ -535,11 +535,11 @@ regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <3300000>; + regulator-max-microvolt = <3000000>; regulator-name = "vcc_sd"; regulator-state-mem { regulator-on-in-suspend; - regulator-suspend-microvolt = <3300000>; + regulator-suspend-microvolt = <3000000>; }; }; |