Hi Nikolaus. On Wed, Feb 26, 2020 at 08:12:52PM +0100, H. Nikolaus Schaller wrote: > This patch series adds HDMI output to the jz4780/CI20 board. > > It is based on taking the old 3.18 vendor kernel and trying > to achieve the same with modern DTS setup and new/modified > drivers. > > Unfortunately, in this first RFC, only EDID and creation of > /dev/fb0 are working. Also, HDMI hot plugging is detected. > > But there is no HDMI output signal. So some tiny piece seems > to be missing to enable/configure the Synposys HDMI controller. > > We need help from the community to fix this. > > Note: device tree bindings are from 2015 and still seem to > fit - except they are not in yaml format. > > Original authors of most patches are > * Paul Boddie <paul@xxxxxxxxxxxxx> > * Zubair Lutfullah Kakakhel <Zubair.Kakakhel@xxxxxxxxxx> > > > H. Nikolaus Schaller (2): > drm: ingenic-drm: add MODULE_DEVICE_TABLE > MIPS: CI20: defconfig: configure for DRM_DW_HDMI_JZ4780 > > Paul Boddie (4): > drm: ingenic: add jz4780 Synopsys HDMI driver. > pinctrl: ingenic: add hdmi-ddc pin control group > MIPS: DTS: jz4780: account for Synopsys HDMI driver and LCD controller > MIPS: DTS: CI20: add HDMI setup > > Zubair Lutfullah Kakakhel (2): > dt-bindings: video: Add jz4780-lcd binding > dt-bindings: video: Add jz4780-hdmi binding > > .../bindings/display/ingenic-jz4780-hdmi.txt | 41 ++++++ > .../bindings/display/ingenic-jz4780-lcd.txt | 39 ++++++ New bindings in DT Schema format please... We want to have then in a formal launguage so we can use these to verify the DT files. Sam