On Wed, Mar 4, 2026 at 10:32 AM Neil Armstrong
<[email protected]> wrote:
>
> On 2/22/26 23:26, Aaron Kling via B4 Relay wrote:
> > From: Aaron Kling <[email protected]>
> >
> > The Chip Wealth Technology CH13726A display driver is a single chip
> > solution for AMOLED using MIPI-DSI. This is used for the AYN Thor bottom
> > panel.
> >
> > Signed-off-by: Aaron Kling <[email protected]>
> > ---
> > .../display/panel/chipwealth,ch13726a.yaml | 66
> > ++++++++++++++++++++++
> > 1 file changed, 66 insertions(+)
> >
> > diff --git
> > a/Documentation/devicetree/bindings/display/panel/chipwealth,ch13726a.yaml
> > b/Documentation/devicetree/bindings/display/panel/chipwealth,ch13726a.yaml
> > new file mode 100644
> > index
> > 0000000000000000000000000000000000000000..890984b00c341285066176995e6a973c5607cbde
> > --- /dev/null
> > +++
> > b/Documentation/devicetree/bindings/display/panel/chipwealth,ch13726a.yaml
> > @@ -0,0 +1,66 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/display/panel/chipwealth,ch13726a.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Chip Wealth Technology CH13726A display driver
> > +
> > +maintainers:
> > + - Place Holder <[email protected]>
>
> ??
Please see my reply on the cover [0].
> > +
> > +description:
> > + Chip Wealth Technology CH13726A is a single-chip solution
> > + for AMOLED connected using a MIPI-DSI video interface.
> > +
> > +allOf:
> > + - $ref: panel-common.yaml#
> > +
> > +properties:
> > + compatible:
> > + const: ayntec,thor-panel-bottom
>
> ??? why not chipwealth,ch13726a ??
Because this is a driver chip that supports multiple panels. The
driver code I based on also supports the retroid pocket 5 panel, which
has a different resolution. Similar naming is used in the rocktech
jh057n00900 binding, which is why I picked this compatible.
> > +
> > + port: true
> > + reg:
> > + maxItems: 1
> > + description: DSI virtual channel
> > +
> > + vdd-supply: true
> > + vddio-supply: true
> > + vdd1v2-supply: true
> > + avdd-supply: true
> > +
> > + reset-gpios: true
> > +
> > + rotation: true
> > +
> > +required:
> > + - compatible
> > + - reg
> > + - vdd-supply
> > + - vddio-supply
> > + - vdd1v2-supply
> > + - avdd-supply
> > + - reset-gpios
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > + - |
> > + #include <dt-bindings/gpio/gpio.h>
> > +
> > + dsi {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + panel@0 {
> > + compatible = "ayntec,thor-panel-bottom";
> > + reg = <0>;
> > + vdd1v2-supply = <&vreg_l11b_1p2>;
> > + vddio-supply = <&vdd_disp_1v8>;
> > + vdd-supply = <&vreg_l13b_3p0>;
> > + avdd-supply = <&vdd_disp2_2v8>;
> > + reset-gpios = <&tlmm 133 GPIO_ACTIVE_HIGH>;
> > + };
> > + };
> > +
> > +...
> >
>
Aaron
[0]
https://lore.kernel.org/dri-devel/[email protected]/