linux-kernel - [PATCH 4/5] dt-bindings: pps: pps-gpio: introduce pulse-width properties

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Message-ID: <20230625142134.33690-5-farbere@amazon.com>
Date:   Sun, 25 Jun 2023 14:21:33 +0000
From:   Eliav Farber <farbere@...zon.com>
To:     <giometti@...eenne.com>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <farbere@...zon.com>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     <ronenk@...zon.com>, <talel@...zon.com>, <hhhawa@...zon.com>,
        <jonnyc@...zon.com>, <itamark@...zon.com>, <shellykz@...zon.com>,
        <amitlavi@...zon.com>, <almogbs@...zon.com>
Subject: [PATCH 4/5] dt-bindings: pps: pps-gpio: introduce pulse-width properties

Add two new optional properties to calculate PPS pulse-width in nano
seconds:
 - assert-pulse-width
 - clear-pulse-width

Signed-off-by: Eliav Farber <farbere@...zon.com>
---
 Documentation/devicetree/bindings/pps/pps-gpio.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/pps/pps-gpio.txt b/Documentation/devicetree/bindings/pps/pps-gpio.txt
index 8d588e38c44e..9ecfd5fb3b63 100644
--- a/Documentation/devicetree/bindings/pps/pps-gpio.txt
+++ b/Documentation/devicetree/bindings/pps/pps-gpio.txt
@@ -18,6 +18,12 @@ Optional properties:
                  opposite of the assert edge (if assert is rising-edge then
                  clear is falling-edge and if assert is falling-edge then
                  clear is rising-edge).
+- assert-pulse-width: when present, assert pulse width will be calculated in
+                      nano seconds.
+                      It should be enabled only if 'capture-clear' is enabled.
+- clear-pulse-width: when present, clear pulse width will be calculated in
+                     nano seconds.
+                     It should be enabled only if 'capture-clear' is enabled.
 
 Example:
 	pps {
-- 
2.40.1