Thread (19 messages) 19 messages, 3 authors, 2019-01-28

Re: [PATCH 1/6] dt-bindings: timer: add Tegra210 timer

From: Jon Hunter <jonathanh@nvidia.com>
Date: 2019-01-24 10:30:48
Also in: linux-devicetree, linux-tegra, lkml

On 07/01/2019 03:28, Joseph Lo wrote:
quoted hunk ↗ jump to hunk
The Tegra210 timer provides fourteen 29-bit timer counters and one 32-bit
timestamp counter. The TMRs run at either a fixed 1 MHz clock rate derived
from the oscillator clock (TMR0-TMR9) or directly at the oscillator clock
(TMR10-TMR13). Each TMR can be programmed to generate one-shot periodic,
or watchdog interrupts.

Cc: Daniel Lezcano <redacted>
Cc: Thomas Gleixner <redacted>
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org
Signed-off-by: Joseph Lo <redacted>
---
 .../bindings/timer/nvidia,tegra210-timer.txt  | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/timer/nvidia,tegra210-timer.txt
diff --git a/Documentation/devicetree/bindings/timer/nvidia,tegra210-timer.txt b/Documentation/devicetree/bindings/timer/nvidia,tegra210-timer.txt
new file mode 100644
index 000000000000..ba511220a669
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/nvidia,tegra210-timer.txt
@@ -0,0 +1,25 @@
+NVIDIA Tegra210 timer
+
+The Tegra210 timer provides fourteen 29-bit timer counters and one 32-bit
+timestamp counter. The TMRs run at either a fixed 1 MHz clock rate derived
+from the oscillator clock (TMR0-TMR9) or directly at the oscillator clock
+(TMR10-TMR13). Each TMR can be programmed to generate one-shot, periodic,
+or watchdog interrupts.
+
+Required properties:
+- compatible : "nvidia,tegra210-timer".
+- reg : Specifies base physical address and size of the registers.
+- interrupts : A list of 4 interrupts; one per each of TMR10 through TMR13.
Why do we only add the interrupts for TMR10 - TMR13? What about the others?

Cheers
Jon

-- 
nvpublic

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