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[0/5] arm64: sunxi: Enable the sun4i timer

Message ID 20210315043250.45095-1-samuel@sholland.org
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Series arm64: sunxi: Enable the sun4i timer | expand

Message

Samuel Holland March 15, 2021, 4:32 a.m. UTC 
In preparation for adding CPU idle states, hook up the sun4i timer.
Having a non-c3stop clockevent source available is necessary for all
CPUs to simultaneously enter a local-timer-stop idle state.

Samuel Holland (5):
  dt-bindings: timer: Simplify conditional expressions
  dt-bindings: timer: Add compatibles for sun50i timers
  arm64: dts: allwinner: a64: Sort watchdog node
  arm64: dts: allwinner: Add sun4i MMIO timer nodes
  arm64: sunxi: Build the sun4i timer driver

 .../timer/allwinner,sun4i-a10-timer.yaml      | 42 +++++++++----------
 arch/arm64/Kconfig.platforms                  |  1 +
 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 25 +++++++----
 arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi  |  9 ++++
 .../arm64/boot/dts/allwinner/sun50i-h616.dtsi |  9 ++++
 5 files changed, 55 insertions(+), 31 deletions(-)

Comments

Maxime Ripard March 15, 2021, 11:07 a.m. UTC | #1 
On Sun, Mar 14, 2021 at 11:32:47PM -0500, Samuel Holland wrote:
> The sun50i SoCs contain timer blocks which are useful as broadcast
> clockevent sources. They each have 2 interrupts, matching the A23
> variant, so add the new compatible strings with the A23 compatible
> as a fallback.
> 
> Signed-off-by: Samuel Holland <samuel@sholland.org>

Acked-by: Maxime Ripard <maxime@cerno.tech>

Thanks!
Maxime