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authorKlaus Goger <klaus.goger@theobroma-systems.com>2018-04-05 12:32:42 +0200
committerKlaus Goger <klaus.goger@theobroma-systems.com>2018-04-05 14:12:53 +0200
commita6c6853492bc1e8b8ddffecf60a9dd9fb77f972a (patch)
tree7ae804aab6870af531cc66e43cbae58e008db54f
parent871c4754eda8f411fe384d53960c81709c1631ae (diff)
Reduce SD IO Voltage to 3.0Vpuma-release-4.4-2017-06-23
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.dts4
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 bd158554c219..a711e8977aa7 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-puma.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-puma.dts
@@ -566,11 +566,11 @@
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>;
};
};