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Commit d4879bda authored by Icenowy Zheng's avatar Icenowy Zheng Committed by Maxime Ripard
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dt-bindings: update device tree binding for Allwinner PRCM CCUs 



Many Allwinner SoCs after A31 have a CCU in PRCM block.

Give the ones on H3 and A64 compatible strings.

Signed-off-by: default avatarIcenowy Zheng <icenowy@aosc.xyz>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
parent b0f0daa8

Documentation/devicetree/bindings/clock/sunxi-ccu.txt

+16 −1
Original line number Diff line number Diff line
@@ -7,9 +7,11 @@ Required properties : 
		- "allwinner,sun8i-a23-ccu"

		- "allwinner,sun8i-a33-ccu"

		- "allwinner,sun8i-h3-ccu"

		- "allwinner,sun8i-h3-r-ccu"

		- "allwinner,sun8i-v3s-ccu"

		- "allwinner,sun9i-a80-ccu"

		- "allwinner,sun50i-a64-ccu"

		- "allwinner,sun50i-a64-r-ccu"

		- "allwinner,sun50i-h5-ccu"



- reg: Must contain the registers base address and length
@@ -20,7 +22,10 @@ Required properties : 
- #clock-cells : must contain 1

- #reset-cells : must contain 1



Example:

For the PRCM CCUs on H3/A64, one more clock is needed:

- "iosc": the SoC's internal frequency oscillator



Example for generic CCU:

ccu: clock@01c20000 {

	compatible = "allwinner,sun8i-h3-ccu";

	reg = <0x01c20000 0x400>;
@@ -29,3 +34,13 @@ ccu: clock@01c20000 { 
	#clock-cells = <1>;

	#reset-cells = <1>;

};



Example for PRCM CCU:

r_ccu: clock@01f01400 {

	compatible = "allwinner,sun50i-a64-r-ccu";

	reg = <0x01f01400 0x100>;

	clocks = <&osc24M>, <&osc32k>, <&iosc>;

	clock-names = "hosc", "losc", "iosc";

	#clock-cells = <1>;

	#reset-cells = <1>;

};