Message ID | 20181203145825.20511-5-wens@csie.org (mailing list archive) |
---|---|
State | Mainlined, archived |
Headers | show |
Series | rtc: sun6i: clock rework and pre-H6 SoC support | expand |
On Mon, Dec 03, 2018 at 10:58:15PM +0800, Chen-Yu Tsai wrote: > Experiments showed that on at least the H3/H5/A64 the RTC's internal > oscillator also feeds the CPUS mux in the PRCM. > > Export this clock through the device tree, instead of having to use > a dummy fixed-clock device node, for the PRCM to consume. This will > properly describe the relationship between the clocks. > > Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com> > Signed-off-by: Chen-Yu Tsai <wens@csie.org> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Maxime
diff --git a/Documentation/devicetree/bindings/rtc/sun6i-rtc.txt b/Documentation/devicetree/bindings/rtc/sun6i-rtc.txt index c7aed31210bc..6b732c41392b 100644 --- a/Documentation/devicetree/bindings/rtc/sun6i-rtc.txt +++ b/Documentation/devicetree/bindings/rtc/sun6i-rtc.txt @@ -24,7 +24,7 @@ Required properties: Required properties for new device trees - clocks : phandle to the 32kHz external oscillator -- clock-output-names : names of up to two clock outputs. See below. +- clock-output-names : names of up to three clock outputs. See below. - #clock-cells : must be equal to 1. The RTC provides the following clocks at the given indices: @@ -32,6 +32,7 @@ The RTC provides the following clocks at the given indices: - 1: LOSC external output, known as X32KFOUT in the datasheet. This clock is not available on the A31 and is deprecated for old device trees still using the "allwinner,sun6i-a31-rtc" compatible. +- 2: InternalOSC, or internal RC oscillator (A64/H3/H5 only) Example: