From mboxrd@z Thu Jan 1 00:00:00 1970 From: mathieu.poirier@linaro.org (mathieu.poirier at linaro.org) Date: Tue, 6 Jan 2015 09:37:13 -0700 Subject: [PATCH 9/9] coresight: Documenting reference to generic PD bindings In-Reply-To: <1420562233-2015-1-git-send-email-mathieu.poirier@linaro.org> References: <1420562233-2015-1-git-send-email-mathieu.poirier@linaro.org> Message-ID: <1420562233-2015-10-git-send-email-mathieu.poirier@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Mathieu Poirier Each coresight block can be part of a power domain. Using the generic power domain subsystems to manage power to individual domains guarantes that coresight operations won't be interrupted by other components. Signed-off-by: Mathieu Poirier --- Documentation/devicetree/bindings/arm/coresight.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt index d790f49066f3..27f96f0d36ef 100644 --- a/Documentation/devicetree/bindings/arm/coresight.txt +++ b/Documentation/devicetree/bindings/arm/coresight.txt @@ -50,6 +50,10 @@ its hardware characteristcs. * cpu: the cpu phandle this ETM/PTM is affined to. When omitted the source is considered to belong to CPU0. + * power-domains: a handle to the generic power domain node this + coresight block is affined to. When omitted the component is + assumed to always be powered. + * Optional property for TMC: * arm,buffer-size: size of contiguous buffer space for TMC ETR -- 1.9.1