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https://github.com/brain-hackers/u-boot-brain
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f210cbc1f3
The rk3399 VD_CENTER voltage domain is not subject to dynamic voltage scaling. So the regulator reset voltage of 0.9V is used on this board. Let u-boot initialize the center voltage to 0.95V as it is done for the VD_LOGIC domain. This avoids instability and occasional linux kernel Opses on this board. Signed-off-by: Soeren Moch <smoch@web.de> Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
22 lines
400 B
Plaintext
22 lines
400 B
Plaintext
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2019 Jagan Teki <jagan@amarulasolutions.com>
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*/
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#include "rk3399-u-boot.dtsi"
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#include "rk3399-sdram-lpddr4-100.dtsi"
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/ {
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chosen {
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u-boot,spl-boot-order = "same-as-spl", &sdmmc, &sdhci;
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};
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};
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&vdd_center {
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regulator-min-microvolt = <950000>;
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regulator-max-microvolt = <950000>;
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};
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&vdd_log {
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regulator-init-microvolt = <950000>;
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};
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