diff options
| author | Klaus Goger <klaus.goger@theobroma-systems.com> | 2018-04-05 12:32:42 +0200 |
|---|---|---|
| committer | Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com> | 2018-05-09 15:26:54 +0200 |
| commit | 8428bf6951a220fd7cbe09bb64686b6462c3511e (patch) | |
| tree | fca4c15a14f1d2f47f50ab5d66a9aa1708af4fe4 | |
| parent | 7cff56b4413ef33cb4be9c90902c19b120f8e422 (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>; }; }; |