Patchwork [v2,7/7] dt-bindings: tda998x: add the calibration gpio

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Submitter Russell King
Date Dec. 6, 2017, 12:35 p.m.
Message ID <E1eMYva-0004WA-Hf@rmk-PC.armlinux.org.uk>
Download mbox | patch
Permalink /patch/10096661/
State New
Headers show

Comments

Russell King - Dec. 6, 2017, 12:35 p.m.
Add the optional calibration gpio for integrated TDA9950 CEC support.
This GPIO corresponds with the interrupt from the TDA998x, as the
calibration requires driving the interrupt pin low.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
---
 Documentation/devicetree/bindings/display/bridge/tda998x.txt | 3 +++
 1 file changed, 3 insertions(+)
Rob Herring - Dec. 6, 2017, 8:41 p.m.
On Wed, Dec 6, 2017 at 6:35 AM, Russell King <rmk+kernel@armlinux.org.uk> wrote:
> Add the optional calibration gpio for integrated TDA9950 CEC support.
> This GPIO corresponds with the interrupt from the TDA998x, as the
> calibration requires driving the interrupt pin low.
>
> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
> ---
>  Documentation/devicetree/bindings/display/bridge/tda998x.txt | 3 +++
>  1 file changed, 3 insertions(+)

Reviewed-by: Rob Herring <robh@kernel.org>

Patch

diff --git a/Documentation/devicetree/bindings/display/bridge/tda998x.txt b/Documentation/devicetree/bindings/display/bridge/tda998x.txt
index 24cc2466185a..1a4eaca40d94 100644
--- a/Documentation/devicetree/bindings/display/bridge/tda998x.txt
+++ b/Documentation/devicetree/bindings/display/bridge/tda998x.txt
@@ -27,6 +27,9 @@  Required properties;
 	in question is used. The implementation allows one or two DAIs. If two
 	DAIs are defined, they must be of different type.
 
+  - nxp,calib-gpios: calibration GPIO, which must correspond with the
+	gpio used for the TDA998x interrupt pin.
+
 [1] Documentation/sound/alsa/soc/DAI.txt
 [2] include/dt-bindings/display/tda998x.h