Hi Stephen, thanks for the follow-up. On Mon, 2019-11-18 at 22:14 -0800, Stephen Brennan wrote: > BCM2711 features a RNG200 hardware random number generator block, which is > different from the BCM283x from which it inherits. Move the rng block from > BCM283x into a separate common file, and update the rng declaration of > BCM2711. > > Signed-off-by: Stephen Brennan <stephen@xxxxxxxxxx> > --- It's petty in this case but you should add a list of changes here too. > arch/arm/boot/dts/bcm2711.dtsi | 6 +++--- > arch/arm/boot/dts/bcm2835.dtsi | 1 + > arch/arm/boot/dts/bcm2836.dtsi | 1 + > arch/arm/boot/dts/bcm2837.dtsi | 1 + > arch/arm/boot/dts/bcm283x-common.dtsi | 11 +++++++++++ > arch/arm/boot/dts/bcm283x.dtsi | 6 ------ > 6 files changed, 17 insertions(+), 9 deletions(-) > create mode 100644 arch/arm/boot/dts/bcm283x-common.dtsi > > diff --git a/arch/arm/boot/dts/bcm2711.dtsi b/arch/arm/boot/dts/bcm2711.dtsi > index ac83dac2e6ba..4975567e948e 100644 > --- a/arch/arm/boot/dts/bcm2711.dtsi > +++ b/arch/arm/boot/dts/bcm2711.dtsi > @@ -92,10 +92,10 @@ pm: watchdog@7e100000 { > }; > > rng@7e104000 { > + compatible = "brcm,bcm2711-rng200"; > + reg = <0x7e104000 0x28>; > interrupts = <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>; > - > - /* RNG is incompatible with brcm,bcm2835-rng */ > - status = "disabled"; > + status = "okay"; > }; > > uart2: serial@7e201400 { > diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi > index 53bf4579cc22..f7b2f46e307d 100644 > --- a/arch/arm/boot/dts/bcm2835.dtsi > +++ b/arch/arm/boot/dts/bcm2835.dtsi > @@ -1,5 +1,6 @@ > // SPDX-License-Identifier: GPL-2.0 > #include "bcm283x.dtsi" > +#include "bcm283x-common.dtsi" > #include "bcm2835-common.dtsi" > > / { > diff --git a/arch/arm/boot/dts/bcm2836.dtsi b/arch/arm/boot/dts/bcm2836.dtsi > index 82d6c4662ae4..a85374195796 100644 > --- a/arch/arm/boot/dts/bcm2836.dtsi > +++ b/arch/arm/boot/dts/bcm2836.dtsi > @@ -1,5 +1,6 @@ > // SPDX-License-Identifier: GPL-2.0 > #include "bcm283x.dtsi" > +#include "bcm283x-common.dtsi" > #include "bcm2835-common.dtsi" > > / { > diff --git a/arch/arm/boot/dts/bcm2837.dtsi b/arch/arm/boot/dts/bcm2837.dtsi > index 9e95fee78e19..045d78ffea08 100644 > --- a/arch/arm/boot/dts/bcm2837.dtsi > +++ b/arch/arm/boot/dts/bcm2837.dtsi > @@ -1,4 +1,5 @@ > #include "bcm283x.dtsi" > +#include "bcm283x-common.dtsi" > #include "bcm2835-common.dtsi" > > / { > diff --git a/arch/arm/boot/dts/bcm283x-common.dtsi > b/arch/arm/boot/dts/bcm283x-common.dtsi > new file mode 100644 > index 000000000000..3c8834bee390 > --- /dev/null > +++ b/arch/arm/boot/dts/bcm283x-common.dtsi > @@ -0,0 +1,11 @@ > +// SPDX-License-Identifier: GPL-2.0 > + > +/ { > + soc { > + rng@7e104000 { > + compatible = "brcm,bcm2835-rng"; > + reg = <0x7e104000 0x10>; > + interrupts = <2 29>; > + }; > + }; > +}; I think Stefan wrote bcm283x-common.dtsi by mistake, he really meant bcm2835-common.dtsi. See bcm2835-common.dtsi's header comment: /* This include file covers the common peripherals and configuration between * bcm2835, bcm2836 and bcm2837 implementations. */ Regards, Nicolas
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