Re: [PATCH 4.19 107/191] ARM: dts: s5pv210: move PMU node out of clock controller

From: Pavel Machek
Date: Thu Nov 05 2020 - 06:46:57 EST


Hi!

> The Power Management Unit (PMU) is a separate device which has little
> common with clock controller. Moving it to one level up (from clock
> controller child to SoC) allows to remove fake simple-bus compatible and
> dtbs_check warnings like:
>
> clock-controller@e0100000: $nodename:0:
> 'clock-controller@e0100000' does not match '^([a-z][a-z0-9\\-]+-bus|bus|soc|axi|ahb|apb)(@[0-9a-f]+)?$'

> +++ b/arch/arm/boot/dts/s5pv210.dtsi
> @@ -98,19 +98,16 @@
> };
>
> clocks: clock-controller@e0100000 {
> - compatible = "samsung,s5pv210-clock", "simple-bus";
> + compatible = "samsung,s5pv210-clock";
> reg = <0xe0100000 0x10000>;
...
> + pmu_syscon: syscon@e0108000 {
> + compatible = "samsung-s5pv210-pmu", "syscon";
> + reg = <0xe0108000 0x8000>;
> };

Should clock-controller@e0100000's reg be shortened to 0x8000 so that
the ranges do not overlap?

Signed-off-by: Pavel Machek (CIP) <pavel@xxxxxxx>

Best regards,
Pavel

diff --git a/arch/arm/boot/dts/s5pv210.dtsi b/arch/arm/boot/dts/s5pv210.dtsi
index 020a864623ff..54fc3fb56ca1 100644
--- a/arch/arm/boot/dts/s5pv210.dtsi
+++ b/arch/arm/boot/dts/s5pv210.dtsi
@@ -99,7 +99,7 @@

clocks: clock-controller@e0100000 {
compatible = "samsung,s5pv210-clock";
- reg = <0xe0100000 0x10000>;
+ reg = <0xe0100000 0x8000>;
clock-names = "xxti", "xusbxti";
clocks = <&xxti>, <&xusbxti>;
#clock-cells = <1>;



--
http://www.livejournal.com/~pavelmachek

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