On 13.03.2023 17:32, Konrad Dybcio wrote:
> From: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx>
>
> Add required pins and RMI4 node to the common DT and remove it
> from Akatsuki, as it uses a different touch.
>
> Since the panels are super high tech proprietary incell, they
> need to be handled with very precise timings. As such the panel
> driver sets up the power rails and GPIOs and the touchscreen
> driver *has to* probe afterwards.
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
> ---
[...]
> &i2c5 {
> - status = "okay";
> clock-frequency = <400000>;
> + status = "okay";
> +
> + touchscreen: touchscreen@2c {
> + compatible = "syna,rmi4-i2c";
> + reg = <0x2c>;
> +
> + interrupt-parent = <&tlmm>;
> + interrupts = <125 IRQ_TYPE_EDGE_FALLING>;
interrupts-extended
> + vdd-supply = <&vreg_l14a_1p8>;
> + /*
> + * This is a blatant abuse of OF, but the panel driver *needs*
> + * to probe first, as the power/gpio switching needs to be precisely
> + * timed in order for both the display and touch panel to function properly.
> + */
> + incell-supply = <&panel>;
> +
> + syna,reset-delay-ms = <220>;
> + syna,startup-delay-ms = <1000>;
> +
> + pinctrl-names = "default", "sleep";
> + pinctrl-0 = <&ts_default>;
> + pinctrl-1 = <&ts_sleep>;
swapped
>
> - /* Synaptics touchscreen @ 2c, 3c */
> + #address-cells = <1>;
> + #size-cells = <0>;
Konrad
