On Tue, Jan 24, 2017 at 01:45:28PM +0100, Andrzej Hajda wrote:
> LDO7 regulator beside DSI and HDMI provides power for core blocks in Exynos
> 5433 SoC. Disabling it causes serious current leak - about 200mA.
>
> Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> index 5f1e172..b22bec8 100644
> --- a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> @@ -432,6 +432,10 @@
> regulator-name = "VDD18_MIPI2L_1.8V_AP";
> regulator-min-microvolt = <1800000>;
> regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
Thanks, applied.
Just to satisfy my curiosity, how disabling the regulator causes current
leak? What happens exactly?
Best regards,
Krzysztof
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