On Mon, Feb 23, 2026 at 05:20:45PM +0800, Hermes Wu via B4 Relay wrote:
> From: Hermes Wu <[email protected]>
>
> Add support for the ITE IT6162 MIPI DSI to HDMI 2.0 bridge chip.
> The IT6162 is an I2C-controlled bridge that supports the following
> configurations:
>
> - Single MIPI DSI input: up to 4K @ 30Hz
> - Dual MIPI DSI input (combined): up to 4K @ 60Hz
>
> The driver implements the DRM bridge and connector frameworks,
> including mode setting, EDID retrieval, and HPD support.
>
> Signed-off-by: Hermes Wu <[email protected]>
> ---
> drivers/gpu/drm/bridge/Kconfig | 17 +
> drivers/gpu/drm/bridge/Makefile | 1 +
> drivers/gpu/drm/bridge/ite-it6162.c | 1876
> +++++++++++++++++++++++++++++++++++
> 3 files changed, 1894 insertions(+)
>
> +
> + mipicfg->pn_swap = of_property_present(endpoint,
> + "ite,mipi-dsi-phy-pn-swap");
None of the properties you use here are described in the bindings.
What is the actual meaning of this value?
> + mipicfg->lane_swap = of_property_present(endpoint,
> + "ite,mipi-dsi-phy-link-swap");
The same. If I understand the name, you should use the order of lanes in
data-lanes.
> +
> + if (of_property_present(endpoint,
> "ite,mipi-dsi-mode-video-sync-pulse")) {
> + mipicfg->mode_flags |= MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
> + mipicfg->mode = SYNC_PULSE;
What for?
> + }
> +
> + if (of_property_present(endpoint, "ite,mipi-dsi-clock-non-continous")) {
> + mipicfg->mode_flags |= MIPI_DSI_CLOCK_NON_CONTINUOUS;
> + mipicfg->continuous_clk = false;
> + }
"clock-noncontinuous" from video-interfaces.yaml
> +
> + of_node_put(endpoint);
> +
> + dev_info(dev, "lanes: %d pn_swap: %d, lane_swap: %d, mode_flags: %lu",
> + mipicfg->lane_num, mipicfg->pn_swap,
> + mipicfg->lane_swap, mipicfg->mode_flags);
> +}
> +
> +
> + /* get hdcp support*/
> + ret = of_property_read_u16(np, "ite,hdcp-version", ®_val);
This one is also not defined.
> + if (ret == 0) {
> + it6162->en_hdcp = true;
> + it6162->hdcp_version = reg_val;
> + dev_info(dev, "HDCP version %x", it6162->hdcp_version);
> +
> +MODULE_AUTHOR("Pet Weng <[email protected]>");
> +MODULE_AUTHOR("Hermes Wu <[email protected]>");
> +MODULE_DESCRIPTION("it6162 mipi to hdmi driver");
MIPI, HDMI.
> +MODULE_LICENSE("GPL");
>
> --
> 2.34.1
>
>
--
With best wishes
Dmitry
