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ARM: dts: rk3288: enable ddr frequency scaling for linux evb

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Enable dmc and dfi nodes to support ddr frequency
scaling on rk3288-evb-linux board.

Change-Id: I578b7dcace09a337abf9c7f640786db588ff9406
Signed-off-by: Nickey Yang <nickey.yang@rock-chips.com>
This commit is contained in:
Nickey Yang
2018-05-15 17:35:21 +08:00
committed by Tao Huang
parent f6d3e97ab5
commit 04b4744396
2 changed files with 34 additions and 0 deletions
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9
arch/arm/boot/dts/rk3288-evb-act8846.dts
View File

@@ -189,6 +189,15 @@
cpu0-supply = <&vdd_cpu>;
};
&dfi {
status = "okay";
};
&dmc {
center-supply = <&vdd_log>;
status = "okay";
};
&edp {
vcc-supply = <&vdd10_lcd>;
vccio-supply = <&vcc18_lcd>;

25
arch/arm/boot/dts/rk3288-evb-rk808-linux.dts
View File

@@ -128,12 +128,33 @@
};
/delete-node/ sdmmc-regulator;
vdd_log: vdd-logic {
compatible = "pwm-regulator";
rockchip,pwm_id = <1>;
rockchip,pwm_voltage = <1100000>;
pwms = <&pwm1 0 25000 1>;
regulator-name = "vcc_log";
regulator-min-microvolt = <860000>;
regulator-max-microvolt = <1360000>;
regulator-always-on;
regulator-boot-on;
};
};
&cpu0 {
cpu0-supply = <&vdd_cpu>;
};
&dfi {
status = "okay";
};
&dmc {
center-supply = <&vdd_log>;
status = "okay";
};
&edp {
status = "okay";
};
@@ -467,6 +488,10 @@
status = "okay";
};
&pwm1 {
status = "okay";
};
&pinctrl {
backlight {
bl_en: bl-en {