[PATCH 2/2] ARM: bcm2835: Add devicetree for the Raspberry Pi 3.

Mark Rutland
2016-03-04T18:41:36Z

On Fri, Mar 04, 2016 at 10:39:29AM -0800, Eric Anholt wrote:
> For now this doesn't support the new hardware present on the Pi 3 (BT,
> wifi, GPIO expander). Since the GPIO expander isn't supported, we
> also don't have the LEDs like the other board files do.
>
> Signed-off-by: Eric Anholt <eric@anholt.net>
> ---
> arch/arm/boot/dts/Makefile | 3 +-
> arch/arm/boot/dts/bcm2837-rpi-3-b.dts | 22 ++++++++++++
> arch/arm/boot/dts/bcm2837.dtsi | 68 +++++++++++++++++++++++++++++++++++
> 3 files changed, 92 insertions(+), 1 deletion(-)
> create mode 100644 arch/arm/boot/dts/bcm2837-rpi-3-b.dts
> create mode 100644 arch/arm/boot/dts/bcm2837.dtsi

> + timer {
> + compatible = "arm,armv7-timer";
> + interrupt-parent = <&local_intc>;
> + interrupts = <0>, // PHYS_SECURE_PPI
> + <1>, // PHYS_NONSECURE_PPI
> + <3>, // VIRT_PPI
> + <2>; // HYP_PPI
> + always-on;
> + };

Are the CPUs in an always-on power domain? Or is it jsut that the kernel
doesn't perform power management of CPUs?

The always-on proeprty is only intended for the former.

Mark.