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Date: Tue, 22 Aug 2017 21:11:55 +0800
From: Andy Yan <andy.yan@...k-chips.com>
To: heiko@...ech.de
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-rockchip@...ts.infradead.org, robh+dt@...nel.org,
linux-arm-kernel@...ts.infradead.org,
Andy Yan <andy.yan@...k-chips.com>
Subject: [PATCH v2 1/3] ARM: dts: rockchip: add cpu opp table for rv1108
Add cpu opp table for rv1108 to support frequency
from 408MHZ to 1008MHZ.
Signed-off-by: Andy Yan <andy.yan@...k-chips.com>
---
Changes in v2:
- switch to operating-points-v2
- split cpu-supply to a separate patch
arch/arm/boot/dts/rv1108.dtsi | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/arch/arm/boot/dts/rv1108.dtsi b/arch/arm/boot/dts/rv1108.dtsi
index 064cec3..1b854e1 100644
--- a/arch/arm/boot/dts/rv1108.dtsi
+++ b/arch/arm/boot/dts/rv1108.dtsi
@@ -69,6 +69,33 @@
device_type = "cpu";
compatible = "arm,cortex-a7";
reg = <0xf00>;
+ operating-points-v2 = <&cpu_opp_table>;
+ clocks = <&cru ARMCLK>;
+ };
+ };
+
+ cpu_opp_table: opp_table {
+ compatible = "operating-points-v2";
+
+ opp-408000000 {
+ opp-hz = /bits/ 64 <408000000>;
+ opp-microvolt = <975000>;
+ clock-latency-ns = <40000>;
+ };
+ opp-600000000 {
+ opp-hz = /bits/ 64 <600000000>;
+ opp-microvolt = <975000>;
+ clock-latency-ns = <40000>;
+ };
+ opp-816000000 {
+ opp-hz = /bits/ 64 <816000000>;
+ opp-microvolt = <1025000>;
+ clock-latency-ns = <40000>;
+ };
+ opp-1008000000 {
+ opp-hz = /bits/ 64 <1008000000>;
+ opp-microvolt = <1150000>;
+ clock-latency-ns = <40000>;
};
};
--
2.7.4
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