15.12.2021 17:01, Thierry Reding пишет:
> On Sun, Dec 12, 2021 at 12:13:55AM +0300, Dmitry Osipenko wrote:
> [...]
>> + i2c@1 {
>> + reg = <1>;
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + dsi-bridge@7 {
>> + compatible = "toshiba,tc358768";
>> + reg = <0x7>;
>> +
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + clocks = <&tc358768_osc>;
>> + clock-names = "refclk";
>> +
>> + reset-gpios = <&gpio TEGRA_GPIO(N, 6) GPIO_ACTIVE_LOW>;
>> +
>> + vddc-supply = <&vdd_1v2_mipi>;
>> + vddio-supply = <&vdd_1v8_vio>;
>> + vddmipi-supply = <&vdd_1v2_mipi>;
>> +
>> + ports {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + port@0 {
>> + reg = <0>;
>> +
>> + bridge_input: endpoint {
>> + remote-endpoint = <&dpi_output>;
>> + data-lines = <24>;
>> + };
>> + };
>> +
>> + port@1 {
>> + reg = <1>;
>> +
>> + bridge_output: endpoint {
>> + remote-endpoint = <&panel_input>;
>> + };
>> + };
>> + };
>> +
>> + /*
>> + * Panasonic VVX10F004B00 or HYDIS HV101WU1-1E1
>> + * LCD SuperIPS+ Full HD panel.
>> + */
>> + panel@1 {
>> + compatible = "panasonic,vvx10f004b00";
>> + reg = <1>;
>> +
>> + power-supply = <&vdd_pnl>;
>> + backlight = <&backlight>;
>> +
>> + port {
>> + panel_input: endpoint {
>> + remote-endpoint = <&bridge_output>;
>> + };
>> + };
>> + };
>
> make dtbs_check complains about this and says that panel@1 (as well as
> #address-cells and #size-cells) are not allowed here. And indeed the
> binding for the Toshiba bridge doesn't mention them here.
>
> Do we need this here or should this be moved to the top level to fix
> those warnings? I guess what you're doing above is describe a DSI bus
> created by the DSI bridge, which also makes sense, so another
> alternative would be to fix up the binding and let it accept those
> properties.
Toshiba bridge binding is incomplete. David has patch for that [1], I
don't think that it was sent out yet.
[1]
https://github.com/okias/linux/commit/0875230062294b6db17f395ced0a8384a4c1cfc7
