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Device Tree Clock bindings for arch-moxart
This binding uses the common clock binding[1].
[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
MOXA ART SoCs allow to determine PLL output and APB frequencies
by reading registers holding multiplier and divisor information.
PLL:
Required properties:
- compatible : Must be "moxa,moxart-pll-clock"
- #clock-cells : Should be 0
- reg : Should contain registers location and length
- clocks : Should contain phandle + clock-specifier for the parent clock
Optional properties:
- clock-output-names : Should contain clock name
APB:
Required properties:
- compatible : Must be "moxa,moxart-apb-clock"
- #clock-cells : Should be 0
- reg : Should contain registers location and length
- clocks : Should contain phandle + clock-specifier for the parent clock
Optional properties:
- clock-output-names : Should contain clock name
For example:
clk_pll: clk_pll@98100000 {
compatible = "moxa,moxart-pll-clock";
#clock-cells = <0>;
reg = <0x98100000 0x34>;
};
clk_apb: clk_apb@98100000 {
compatible = "moxa,moxart-apb-clock";
#clock-cells = <0>;
reg = <0x98100000 0x34>;
clocks = <&clk_pll>;
};