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ARM: dts: da850-lcdk: enable cpufreq 

Add a fixed regulator for the da850-lcdk board along with board-specific
CPU configuration.

Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
This commit is contained in:
David Lechner 2019-05-27 10:22:57 +02:00 committed by Sekhar Nori
parent 3975205ac3
commit fdf1b27461
1 changed files with 36 additions and 0 deletions
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36
arch/arm/boot/dts/da850-lcdk.dts
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@ -155,12 +155,48 @@ vga_con_in: endpoint {
};
};
};
cvdd: regulator0 {
compatible = "regulator-fixed";
regulator-name = "cvdd";
regulator-min-microvolt = <1300000>;
regulator-max-microvolt = <1300000>;
regulator-always-on;
regulator-boot-on;
};
};
&ref_clk {
clock-frequency = <24000000>;
};
&cpu {
cpu-supply = <&cvdd>;
};
/*
* LCDK has a fixed CVDD of 1.3V, so only operating points >= 300MHz are
* valid. Unfortunately due to a problem with the DA8XX OHCI controller, we
* can't enable more than one OPP by default, since the controller sometimes
* becomes unresponsive after a transition. Fix the frequency at 456 MHz.
*/
&opp_100 {
status = "disabled";
};
&opp_200 {
status = "disabled";
};
&opp_300 {
status = "disabled";
};
&opp_456 {
status = "okay";
};
&pmx_core {
status = "okay";