From: qianfanguijin@163.com
To: linux-sunxi@lists.linux.dev
Cc: Rob Herring <robh+dt@kernel.org>,
Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Viresh Kumar <viresh.kumar@linaro.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
qianfan Zhao <qianfanguijin@163.com>
Subject: [PATCH v3 1/2] ARM: dts: sun8i-r40: add opp table for cpu
Date: Thu, 12 May 2022 15:18:57 +0800 [thread overview]
Message-ID: <20220512071858.10805-1-qianfanguijin@163.com> (raw)
From: qianfan Zhao <qianfanguijin@163.com>
OPP table value is get from allwinner lichee linux-3.10 kernel driver
Signed-off-by: qianfan Zhao <qianfanguijin@163.com>
---
Changes in v3:
- remove "allwinner-r40" compatible from allowlist.
- split dts in two part.
arch/arm/boot/dts/sun8i-r40.dtsi | 47 ++++++++++++++++++++++++++++++++
1 file changed, 47 insertions(+)
diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
index 291f4784e86c..90de119095fa 100644
--- a/arch/arm/boot/dts/sun8i-r40.dtsi
+++ b/arch/arm/boot/dts/sun8i-r40.dtsi
@@ -54,6 +54,41 @@ / {
#size-cells = <1>;
interrupt-parent = <&gic>;
+ cpu0_opp_table: opp_table0 {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp-720000000 {
+ opp-hz = /bits/ 64 <720000000>;
+ opp-microvolt = <1000000 1000000 1300000>;
+ clock-latency-ns = <2000000>;
+ };
+
+ opp-912000000 {
+ opp-hz = /bits/ 64 <912000000>;
+ opp-microvolt = <1100000 1100000 1300000>;
+ clock-latency-ns = <2000000>;
+ };
+
+ opp-1008000000 {
+ opp-hz = /bits/ 64 <1008000000>;
+ opp-microvolt = <1160000 1160000 1300000>;
+ clock-latency-ns = <2000000>;
+ };
+
+ opp-1104000000 {
+ opp-hz = /bits/ 64 <1104000000>;
+ opp-microvolt = <1240000 1240000 1300000>;
+ clock-latency-ns = <2000000>;
+ };
+
+ opp-1200000000 {
+ opp-hz = /bits/ 64 <1200000000>;
+ opp-microvolt = <1300000 1300000 1300000>;
+ clock-latency-ns = <2000000>;
+ };
+ };
+
clocks {
#address-cells = <1>;
#size-cells = <1>;
@@ -84,24 +119,36 @@ cpu0: cpu@0 {
compatible = "arm,cortex-a7";
device_type = "cpu";
reg = <0>;
+ clocks = <&ccu CLK_CPU>;
+ clock-names = "cpu";
+ operating-points-v2 = <&cpu0_opp_table>;
};
cpu1: cpu@1 {
compatible = "arm,cortex-a7";
device_type = "cpu";
reg = <1>;
+ clocks = <&ccu CLK_CPU>;
+ clock-names = "cpu";
+ operating-points-v2 = <&cpu0_opp_table>;
};
cpu2: cpu@2 {
compatible = "arm,cortex-a7";
device_type = "cpu";
reg = <2>;
+ clocks = <&ccu CLK_CPU>;
+ clock-names = "cpu";
+ operating-points-v2 = <&cpu0_opp_table>;
};
cpu3: cpu@3 {
compatible = "arm,cortex-a7";
device_type = "cpu";
reg = <3>;
+ clocks = <&ccu CLK_CPU>;
+ clock-names = "cpu";
+ operating-points-v2 = <&cpu0_opp_table>;
};
};
--
2.25.1
next reply other threads:[~2022-05-12 7:19 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-12 7:18 qianfanguijin [this message]
2022-05-12 7:18 ` [PATCH v3 2/2] ARM: dts: sun8i-r40: Add "cpu-supply" node for sun8i-r40 based board qianfanguijin
2022-05-13 7:38 ` Maxime Ripard
2022-05-13 7:48 ` qianfan
2022-05-13 8:15 ` Maxime Ripard
2022-05-13 8:23 ` qianfan
2022-05-16 7:53 ` Maxime Ripard
2022-05-16 15:39 ` Chen-Yu Tsai
2022-05-12 7:29 ` [PATCH v3 1/2] ARM: dts: sun8i-r40: add opp table for cpu Viresh Kumar
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