From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexandru M Stan Subject: [PATCH 1/2] dt-bindings: analogix-dp: Add backlight-pwm-passthru Date: Thu, 15 Mar 2018 19:56:58 -0700 Message-ID: <20180316025659.217423-2-amstan@chromium.org> References: <20180316025659.217423-1-amstan@chromium.org> Return-path: In-Reply-To: <20180316025659.217423-1-amstan@chromium.org> Sender: linux-kernel-owner@vger.kernel.org To: David Airlie , Rob Herring , Mark Rutland , Archit Taneja , Andrzej Hajda , Laurent Pinchart , Sean Paul Cc: devicetree@vger.kernel.org, Enric Balletbo i Serra , Heiko Stuebner , briannorris@chromium.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, dianders@chromium.org, linux-rockchip@lists.infradead.org, marcheu@chromium.org, hoegsberg@chromium.org, Thierry Escande , Jeffy Chen , Alexandru M Stan List-Id: devicetree@vger.kernel.org Documentation for the optional backlight-pwm-passthru property. Tells the EDP panel to folow the input pwm frequency instead of generating its own. Signed-off-by: Alexandru M Stan --- Documentation/devicetree/bindings/display/bridge/analogix_dp.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/display/bridge/analogix_dp.txt b/Documentation/devicetree/bindings/display/bridge/analogix_dp.txt index 0c7473dd0e51..3c15242f6ce3 100644 --- a/Documentation/devicetree/bindings/display/bridge/analogix_dp.txt +++ b/Documentation/devicetree/bindings/display/bridge/analogix_dp.txt @@ -23,6 +23,10 @@ Required properties for dp-controller: from general PHY binding: Should be "dp". Optional properties for dp-controller: + -backlight-pwm-passthru: + Directly pass the PWM frequency applied to the BL_PWM_DIM + pin to the backlight current source. Done via + EDP_BACKLIGHT_MODE_SET_REGISTER on DPCD. -force-hpd: Indicate driver need force hpd when hpd detect failed, this is used for some eDP screen which don't have hpd signal. -- 2.13.5