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arm64: dts: rockchip: rk1808-compute: enable dmc

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rk1808 compute stick is sensitive with power consumption, so
enable ddr dvfs, and set ddr frequency to 784MHz.

Change-Id: Ib08ec090af8fe7b276102ffb818aa9c4c0c8b82e
Signed-off-by: Lin Huang <hl@rock-chips.com>
This commit is contained in:
Lin Huang
2019-05-06 17:35:14 +08:00
committed by Tao Huang
parent 427e3f1c23
commit c48522ca13
1 changed files with 23 additions and 0 deletions
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23
arch/arm64/boot/dts/rockchip/rk1808-compute.dtsi
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@@ -114,6 +114,15 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
vdd_log: vdd-cpu {
compatible = "regulator-fixed";
regulator-name = "vdd_log";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <800000>;
};
};
&cpu0 {
@@ -128,6 +137,20 @@
status = "okay";
};
&dfi {
status = "okay";
};
&dmc {
center-supply = <&vdd_log>;
status = "okay";
system-status-freq = <
/*system status freq(KHz)*/
SYS_STATUS_NORMAL 784000
SYS_STATUS_REBOOT 784000
>;
};
&emmc {
bus-width = <8>;
cap-mmc-highspeed;