Hi, The following patch was already sent by Fabio: http://patchwork.ozlabs.org/patch/838173/ On 16/11/2017 at 10:34:25 +0100, linux-kernel-dev@xxxxxxxxxxxx wrote: > From: Patrick Bruenn <p.bruenn@xxxxxxxxxxxx> > > rtc-imxdi driver is not compatible with imx53-rtc like the example > suggested. > Only the raw timestamp register offsets match by accident, which has the > effect, that during startup/shutdown system clock syncronization with > rtc seems to work for imx53, too. > However hwclock and rtctest, will not work as expected on imx53. > To avoid future reverts like [1], we should adjust the documentation. > > [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2017-November/542312.html > > Signed-off-by: Patrick Bruenn <p.bruenn@xxxxxxxxxxxx> > > --- > > To: Alessandro Zummo <a.zummo@xxxxxxxxxxxx> > To: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx> > Cc: Rob Herring <robh+dt@xxxxxxxxxx> > Cc: Mark Rutland <mark.rutland@xxxxxxx> (maintainer:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS) > Cc: linux-rtc@xxxxxxxxxxxxxxx (open list:REAL TIME CLOCK (RTC) SUBSYSTEM) > Cc: devicetree@xxxxxxxxxxxxxxx (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS) > Cc: linux-kernel@xxxxxxxxxxxxxxx (open list) > Cc: Fabio Estevam <fabio.estevam@xxxxxxx> > Cc: Juergen Borleis <jbe@xxxxxxxxxxxxxx> > Cc: Noel Vellemans <Noel.Vellemans@xxxxxxxxxxxxx> > Cc: Shawn Guo <shawnguo@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/rtc/imxdi-rtc.txt | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/rtc/imxdi-rtc.txt b/Documentation/devicetree/bindings/rtc/imxdi-rtc.txt > index 323cf26374cb..af853b0ceac5 100644 > --- a/Documentation/devicetree/bindings/rtc/imxdi-rtc.txt > +++ b/Documentation/devicetree/bindings/rtc/imxdi-rtc.txt > @@ -1,6 +1,6 @@ > * i.MX25 Real Time Clock controller > > -This binding supports the following chips: i.MX25, i.MX53 > +This binding supports the following chips: i.MX25 > > Required properties: > - compatible: should be: "fsl,imx25-rtc" > @@ -14,7 +14,7 @@ Optional properties: > Example: > > rtc@80056000 { > - compatible = "fsl,imx53-rtc", "fsl,imx25-rtc"; > + compatible = "fsl,imx25-rtc"; > reg = <0x80056000 2000>; > interrupts = <29 56>; > }; > -- > 2.11.0 > > -- Alexandre Belloni, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html