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Subject[PATCH 3/5] ARC: AXS103: DTS: Add core pll node to manage cpu frequency
Date
Add core pll node (core_clk) to manage cpu frequency.
core_clk represents pll itself.
input_clk represents clock signal source (basically xtal) which
comes to pll input.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
---
arch/arc/boot/dts/axc003.dtsi | 11 +++++++++--
arch/arc/boot/dts/axc003_idu.dtsi | 11 +++++++++--
2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/arch/arc/boot/dts/axc003.dtsi b/arch/arc/boot/dts/axc003.dtsi
index cc9239e..dca7e39 100644
--- a/arch/arc/boot/dts/axc003.dtsi
+++ b/arch/arc/boot/dts/axc003.dtsi
@@ -24,10 +24,17 @@

ranges = <0x00000000 0x0 0xf0000000 0x10000000>;

- core_clk: core_clk {
+ input_clk: input-clk {
#clock-cells = <0>;
compatible = "fixed-clock";
- clock-frequency = <90000000>;
+ clock-frequency = <33333333>;
+ };
+
+ core_clk: core-clk@80 {
+ compatible = "snps,axs10x-arc-pll-clock";
+ reg = <0x80 0x10>, <0x100 0x10>;
+ #clock-cells = <0>;
+ clocks = <&input_clk>;
};

core_intc: archs-intc@cpu {
diff --git a/arch/arc/boot/dts/axc003_idu.dtsi b/arch/arc/boot/dts/axc003_idu.dtsi
index 4ebb2170..5b56bef 100644
--- a/arch/arc/boot/dts/axc003_idu.dtsi
+++ b/arch/arc/boot/dts/axc003_idu.dtsi
@@ -24,10 +24,17 @@

ranges = <0x00000000 0x0 0xf0000000 0x10000000>;

- core_clk: core_clk {
+ input_clk: input-clk {
#clock-cells = <0>;
compatible = "fixed-clock";
- clock-frequency = <100000000>;
+ clock-frequency = <33333333>;
+ };
+
+ core_clk: core-clk@80 {
+ compatible = "snps,axs10x-arc-pll-clock";
+ reg = <0x80 0x10>, <0x100 0x10>;
+ #clock-cells = <0>;
+ clocks = <&input_clk>;
};

core_intc: archs-intc@cpu {
--
2.9.3
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