[PATCH v4 3/5] ARM: dts: da850-lcdk: enable cpufreq

From: Bartosz Golaszewski
Date: Fri Apr 12 2019 - 09:44:52 EST


From: David Lechner <david@xxxxxxxxxxxxxx>

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

Signed-off-by: David Lechner <david@xxxxxxxxxxxxxx>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
---
arch/arm/boot/dts/da850-lcdk.dts | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)

diff --git a/arch/arm/boot/dts/da850-lcdk.dts b/arch/arm/boot/dts/da850-lcdk.dts
index 26f453dc8370..f29ed9010812 100644
--- a/arch/arm/boot/dts/da850-lcdk.dts
+++ b/arch/arm/boot/dts/da850-lcdk.dts
@@ -155,12 +155,43 @@
};
};
};
+
+ 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 op points >= 300MHz are valid */
+
+&opp_100 {
+ status = "disabled";
+};
+
+&opp_200 {
+ status = "disabled";
+};
+
+&opp_375 {
+ status = "okay";
+};
+
+&opp_456 {
+ status = "okay";
+};
+
&pmx_core {
status = "okay";

--
2.21.0