* [PATCH v8 1/4] dt-bindings: pps: capture-clear addition [not found] <20181117130337.5856-1-tom@aussec.com> @ 2018-11-17 13:03 ` Tom Burkart [not found] ` <20181117130337.5856-3-tom@aussec.com> 0 siblings, 1 reply; 2+ messages in thread From: Tom Burkart @ 2018-11-17 13:03 UTC (permalink / raw) To: Linux kernel mailing list; +Cc: Tom Burkart, devicetree It adds documentation for the device tree capture-clear option. Signed-off-by: Tom Burkart <tom@aussec.com> --- Documentation/devicetree/bindings/pps/pps-gpio.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/pps/pps-gpio.txt b/Documentation/devicetree/bindings/pps/pps-gpio.txt index 3683874832ae..1155d49c2699 100644 --- a/Documentation/devicetree/bindings/pps/pps-gpio.txt +++ b/Documentation/devicetree/bindings/pps/pps-gpio.txt @@ -10,6 +10,7 @@ Required properties: Optional properties: - assert-falling-edge: when present, assert is indicated by a falling edge (instead of by a rising edge) +- capture-clear: when present, also capture the PPS clear event Example: pps { @@ -18,6 +19,7 @@ Example: gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>; assert-falling-edge; + capture-clear; compatible = "pps-gpio"; }; -- 2.12.3 ^ permalink raw reply related [flat|nested] 2+ messages in thread
[parent not found: <20181117130337.5856-3-tom@aussec.com>]
* [PATCH v8 3/4] dt-bindings: pps: pps-gpio PPS ECHO implementation [not found] ` <20181117130337.5856-3-tom@aussec.com> @ 2018-11-17 13:03 ` Tom Burkart 0 siblings, 0 replies; 2+ messages in thread From: Tom Burkart @ 2018-11-17 13:03 UTC (permalink / raw) To: Linux kernel mailing list; +Cc: Tom Burkart, devicetree, Lukas Senger This patch implements the device tree changes required for the pps echo functionality for pps-gpio, that sysfs claims is available already. This patch was originally written by Lukas Senger as part of a masters thesis project and modified for inclusion into the linux kernel by Tom Burkart. Signed-off-by: Lukas Senger <lukas@fridolin.com> Signed-off-by: Tom Burkart <tom@aussec.com> --- Documentation/devicetree/bindings/pps/pps-gpio.txt | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/pps/pps-gpio.txt b/Documentation/devicetree/bindings/pps/pps-gpio.txt index 1155d49c2699..e09f6f2405c5 100644 --- a/Documentation/devicetree/bindings/pps/pps-gpio.txt +++ b/Documentation/devicetree/bindings/pps/pps-gpio.txt @@ -7,10 +7,15 @@ Required properties: - compatible: should be "pps-gpio" - gpios: one PPS GPIO in the format described by ../gpio/gpio.txt +Additional required properties for the PPS ECHO functionality: +- echo-gpios: one PPS ECHO GPIO in the format described by ../gpio/gpio.txt +- echo-active-ms: duration in ms of the active portion of the echo pulse + Optional properties: - assert-falling-edge: when present, assert is indicated by a falling edge (instead of by a rising edge) - capture-clear: when present, also capture the PPS clear event +- invert-pps-echo: when present, invert the PPS ECHO pulse Example: pps { @@ -21,5 +26,9 @@ Example: assert-falling-edge; capture-clear; + echo-gpios = <&gpio1 27 GPIO_ACTIVE_HIGH>; + echo-active-ms = <100>; + invert-pps-echo; + compatible = "pps-gpio"; }; -- 2.12.3 ^ permalink raw reply related [flat|nested] 2+ messages in thread
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2018-11-17 13:03 ` [PATCH v8 1/4] dt-bindings: pps: capture-clear addition Tom Burkart
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2018-11-17 13:03 ` [PATCH v8 3/4] dt-bindings: pps: pps-gpio PPS ECHO implementation Tom Burkart
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