From: heiko@sntech.de (Heiko Stuebner)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: dts: rockchip: convert rk3288 to operating-points-v2
Date: Sun, 17 Jun 2018 15:18:08 +0200 [thread overview]
Message-ID: <20180617131808.30283-1-heiko@sntech.de> (raw)
Operating points need to be present in each cpu core using it, not only
the first one. With operating-points-v1 this would require duplicating
this table into each cpu node.
With opp-v2 we can share the same table on all nodes.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
arch/arm/boot/dts/rk3288-veyron.dtsi | 36 +++++++-------
arch/arm/boot/dts/rk3288.dtsi | 70 ++++++++++++++++++++++------
2 files changed, 75 insertions(+), 31 deletions(-)
diff --git a/arch/arm/boot/dts/rk3288-veyron.dtsi b/arch/arm/boot/dts/rk3288-veyron.dtsi
index 823c7ed47fcf..c8c83bf544b9 100644
--- a/arch/arm/boot/dts/rk3288-veyron.dtsi
+++ b/arch/arm/boot/dts/rk3288-veyron.dtsi
@@ -91,22 +91,26 @@
&cpu0 {
cpu0-supply = <&vdd_cpu>;
- operating-points = <
- /* KHz uV */
- 1800000 1400000
- 1704000 1350000
- 1608000 1300000
- 1512000 1250000
- 1416000 1200000
- 1200000 1100000
- 1008000 1050000
- 816000 1000000
- 696000 950000
- 600000 900000
- 408000 900000
- 216000 900000
- 126000 900000
- >;
+};
+
+/* rk3288-c used in Veyron Chrome-devices has slightly changed OPPs */
+&cpu_opp_table {
+ /delete-node/ opp02;
+
+ opp10 {
+ opp-microvolt = <1250000>;
+ };
+ opp11 {
+ opp-microvolt = <1300000>;
+ };
+ opp12 {
+ opp-hz = /bits/ 64 <1704000000>;
+ opp-microvolt = <1350000>;
+ };
+ opp13 {
+ opp-hz = /bits/ 64 <1800000000>;
+ opp-microvolt = <1400000>;
+ };
};
&emmc {
diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 2a060c2dc383..a3af3f6ad8d0 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -60,21 +60,7 @@
compatible = "arm,cortex-a12";
reg = <0x500>;
resets = <&cru SRST_CORE0>;
- operating-points = <
- /* KHz uV */
- 1608000 1350000
- 1512000 1300000
- 1416000 1200000
- 1200000 1100000
- 1008000 1050000
- 816000 1000000
- 696000 950000
- 600000 900000
- 408000 900000
- 312000 900000
- 216000 900000
- 126000 900000
- >;
+ operating-points-v2 = <&cpu_opp_table>;
#cooling-cells = <2>; /* min followed by max */
clock-latency = <40000>;
clocks = <&cru ARMCLK>;
@@ -99,6 +85,60 @@
};
};
+ cpu_opp_table: cpu-opp-table {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp00 {
+ opp-hz = /bits/ 64 <126000000>;
+ opp-microvolt = <900000>;
+ };
+ opp01 {
+ opp-hz = /bits/ 64 <216000000>;
+ opp-microvolt = <900000>;
+ };
+ opp02 {
+ opp-hz = /bits/ 64 <312000000>;
+ opp-microvolt = <900000>;
+ };
+ opp03 {
+ opp-hz = /bits/ 64 <408000000>;
+ opp-microvolt = <900000>;
+ };
+ opp04 {
+ opp-hz = /bits/ 64 <600000000>;
+ opp-microvolt = <900000>;
+ };
+ opp05 {
+ opp-hz = /bits/ 64 <696000000>;
+ opp-microvolt = <950000>;
+ };
+ opp06 {
+ opp-hz = /bits/ 64 <816000000>;
+ opp-microvolt = <1000000>;
+ };
+ opp07 {
+ opp-hz = /bits/ 64 <1008000000>;
+ opp-microvolt = <1050000>;
+ };
+ opp08 {
+ opp-hz = /bits/ 64 <1200000000>;
+ opp-microvolt = <1100000>;
+ };
+ opp09 {
+ opp-hz = /bits/ 64 <1416000000>;
+ opp-microvolt = <1200000>;
+ };
+ opp10 {
+ opp-hz = /bits/ 64 <1512000000>;
+ opp-microvolt = <1300000>;
+ };
+ opp11 {
+ opp-hz = /bits/ 64 <1608000000>;
+ opp-microvolt = <1350000>;
+ };
+ };
+
amba {
compatible = "simple-bus";
#address-cells = <2>;
--
2.17.0
next reply other threads:[~2018-06-17 13:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-17 13:18 Heiko Stuebner [this message]
2018-06-18 9:21 ` [PATCH] ARM: dts: rockchip: convert rk3288 to operating-points-v2 Viresh Kumar
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