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charset=utf-8 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251008_011510_347960_C126E265 X-CRM114-Status: GOOD ( 16.13 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Oct 06, 2025 at 07:42:56PM +0300, Cristian Ciocaltea wrote: > On 10/6/25 7:25 PM, Laurent Pinchart wrote: > > On Mon, Oct 06, 2025 at 02:19:24PM +0300, Dmitry Baryshkov wrote: > >> On Mon, Oct 06, 2025 at 02:55:37AM +0300, Laurent Pinchart wrote: > >>> From: Cristian Ciocaltea > >>> > >>> 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 > >>> Signed-off-by: Laurent Pinchart > >>> --- > >>> .../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? > > > > I don't mind either way. Cristian, any opinion ? > > No strong opinion either; we could go for Dmitry's suggestion. OK, I'll flip it. > >>> + > >>> required: > >>> - compatible > >>> - reg -- Regards, Laurent Pinchart