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authorDavid Lechner <david@lechnology.com>2019-05-27 10:22:56 +0200
committerSekhar Nori <nsekhar@ti.com>2019-06-14 18:22:37 +0530
commit3975205ac334373efe65641482ef42ff3fec80af (patch)
tree219f158f9e14e764ac4765fbe2c107a1f98f5a69 /arch/arm/boot/dts/da850-lego-ev3.dts
parent3be5c7425fd2869f438e179ba54b03619a545977 (diff)
ARM: dts: da850-lego-ev3: enable cpufreq
Add a fixed regulator for the LEGO EV3 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>
Diffstat (limited to 'arch/arm/boot/dts/da850-lego-ev3.dts')
-rw-r--r--arch/arm/boot/dts/da850-lego-ev3.dts30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/da850-lego-ev3.dts b/arch/arm/boot/dts/da850-lego-ev3.dts
index 66fcadf0ba91..553717f84483 100644
--- a/arch/arm/boot/dts/da850-lego-ev3.dts
+++ b/arch/arm/boot/dts/da850-lego-ev3.dts
@@ -125,6 +125,15 @@
amp-supply = <&amp>;
};
+ cvdd: regulator0 {
+ compatible = "regulator-fixed";
+ regulator-name = "cvdd";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
/*
* This is a 5V current limiting regulator that is shared by USB,
* the sensor (input) ports, the motor (output) ports and the A/DC.
@@ -204,6 +213,27 @@
clock-frequency = <24000000>;
};
+&cpu {
+ cpu-supply = <&cvdd>;
+};
+
+/* since we have a fixed regulator, we can't run at these points */
+&opp_100 {
+ status = "disabled";
+};
+
+&opp_200 {
+ status = "disabled";
+};
+
+/*
+ * The SoC is actually the 456MHz version, but because of the fixed regulator
+ * This is the fastest we can go.
+ */
+&opp_375 {
+ status = "okay";
+};
+
&pmx_core {
status = "okay";