lkml.org 
[lkml]   [2020]   [Apr]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 1/7] arm64: dts: allwinner: h6: Add clock to CPU cores
Date
From: Yangtao Li <tiny.windzz@gmail.com>

The ARM CPU cores are fed by the CPU clock from the CCU. Add a
reference to the clock for each CPU core, along with the clock
transition latency.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Clément Péron <peron.clem@gmail.com>
---
arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
index 3329283e38ab..aef4ae760d5e 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -25,6 +25,8 @@
device_type = "cpu";
reg = <0>;
enable-method = "psci";
+ clocks = <&ccu CLK_CPUX>;
+ clock-latency-ns = <244144>; /* 8 32k periods */
};

cpu1: cpu@1 {
@@ -32,6 +34,8 @@
device_type = "cpu";
reg = <1>;
enable-method = "psci";
+ clocks = <&ccu CLK_CPUX>;
+ clock-latency-ns = <244144>; /* 8 32k periods */
};

cpu2: cpu@2 {
@@ -39,6 +43,8 @@
device_type = "cpu";
reg = <2>;
enable-method = "psci";
+ clocks = <&ccu CLK_CPUX>;
+ clock-latency-ns = <244144>; /* 8 32k periods */
};

cpu3: cpu@3 {
@@ -46,6 +52,8 @@
device_type = "cpu";
reg = <3>;
enable-method = "psci";
+ clocks = <&ccu CLK_CPUX>;
+ clock-latency-ns = <244144>; /* 8 32k periods */
};
};

--
2.20.1
\
 
 \ /
  Last update: 2020-04-05 19:36    [W:0.143 / U:1.516 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site