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dt-bindings: clock: at91: new sckc bindings
Remove the need for child nodes in the sckc binding to be able to remove dtc warnings and have a more modern binding. Also document optional properties. Cc: Rob Herring <robh@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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@ -8,29 +8,23 @@ Slow Clock controller:
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Required properties:
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- compatible : shall be one of the following:
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"atmel,at91sam9x5-sckc" or
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"atmel,at91sam9x5-sckc",
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"atmel,sama5d3-sckc" or
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"atmel,sama5d4-sckc":
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at91 SCKC (Slow Clock Controller)
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This node contains the slow clock definitions.
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"atmel,at91sam9x5-clk-slow-osc":
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at91 slow oscillator
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"atmel,at91sam9x5-clk-slow-rc-osc":
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at91 internal slow RC oscillator
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- reg : defines the IO memory reserved for the SCKC.
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- #size-cells : shall be 0 (reg is used to encode clk id).
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- #address-cells : shall be 1 (reg is used to encode clk id).
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- #clock-cells : shall be 0.
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- clocks : shall be the input parent clock phandle for the clock.
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Optional properties:
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- atmel,osc-bypass : boolean property. Set this when a clock signal is directly
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provided on XIN.
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For example:
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sckc: sckc@fffffe50 {
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compatible = "atmel,sama5d3-pmc";
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reg = <0xfffffe50 0x4>
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#size-cells = <0>;
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#address-cells = <1>;
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/* put at91 slow clocks here */
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sckc@fffffe50 {
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compatible = "atmel,at91sam9x5-sckc";
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reg = <0xfffffe50 0x4>;
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clocks = <&slow_xtal>;
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#clock-cells = <0>;
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};
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Power Management Controller (PMC):
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