On Mon, Oct 06, 2025 at 02:55:37AM +0300, Laurent Pinchart wrote: > From: Cristian Ciocaltea <[email protected]> > > Add an optional property to RK3588 HDMI TX Controller binding describing > a GPIO line to be asserted when operating in HDMI 1.4/2.0 TMDS mode and > deasserted for HDMI 2.1 FRL. > > This is used to control an external level shifter for HDMI data lines. > > Signed-off-by: Cristian Ciocaltea <[email protected]> > Signed-off-by: Laurent Pinchart <[email protected]> > --- > .../display/rockchip/rockchip,rk3588-dw-hdmi-qp.yaml | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git > a/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3588-dw-hdmi-qp.yaml > > b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3588-dw-hdmi-qp.yaml > index 96b4b088eebe..eec0d40c91ea 100644 > --- > a/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3588-dw-hdmi-qp.yaml > +++ > b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3588-dw-hdmi-qp.yaml > @@ -113,6 +113,13 @@ properties: > description: > Additional HDMI QP related data is accessed through VO GRF regs. > > + tmds-enable-gpios: > + description: > + Optional GPIO line to be asserted when operating in HDMI 1.4/2.0 > + TMDS mode and deasserted for HDMI 2.1 FRL. It can be used to control > + an external level shifter for HDMI data lines. > + maxItems: 1
Just my 2c: since TMDS is assumed to be a default mode, shouldn't this be a frl-enable-gpios instead? > + > required: > - compatible > - reg -- With best wishes Dmitry
