| Message ID | 20170329104246.34204-2-icenowy@aosc.io (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
On Wed, Mar 29, 2017 at 06:42:42PM +0800, Icenowy Zheng wrote: > From: Icenowy Zheng <icenowy@aosc.xyz> > > Many Allwinner SoCs after A31 have a CCU in PRCM block. > > Give the ones on H3 and A64 compatible strings. > > Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz> > --- > Changes in v3: > - Removed frequency info of iosc in this device tree binding document. > Changes in v2: > - Add iosc for R_CCU's on H3/A64. > > Documentation/devicetree/bindings/clock/sunxi-ccu.txt | 17 ++++++++++++++++- > 1 file changed, 16 insertions(+), 1 deletion(-) Acked-by: Rob Herring <robh@kernel.org> -- To unsubscribe from this list: send the line "unsubscribe linux-clk" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/clock/sunxi-ccu.txt b/Documentation/devicetree/bindings/clock/sunxi-ccu.txt index 68512aa398a9..e9c5a1d9834a 100644 --- a/Documentation/devicetree/bindings/clock/sunxi-ccu.txt +++ b/Documentation/devicetree/bindings/clock/sunxi-ccu.txt @@ -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>; +};