Am Montag, 31. Juli 2023, 22:05:57 CEST schrieb Jagan Teki:
> Add DSI pipeline for Radxa ROCK 4C+ board via DT-overlay.
>
> The DSI connector in Radxa ROCK 4C+ board support different
> resolution panels and those compatible is added in another
> DT-overlay.
>
> Signed-off-by: Jagan Teki <jagan@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/rockchip/Makefile | 1 +
> .../rk3399-rock-4c-plus-mipi-dsi.dtso | 69 +++++++++++++++++++
> 2 files changed, 70 insertions(+)
> create mode 100644 arch/arm64/boot/dts/rockchip/rk3399-rock-4c-plus-mipi-dsi.dtso
>
> diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
> index 1ebbb3e9c2f9..3a4c4cd769eb 100644
> --- a/arch/arm64/boot/dts/rockchip/Makefile
> +++ b/arch/arm64/boot/dts/rockchip/Makefile
> @@ -58,6 +58,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-roc-pc.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-roc-pc-mezzanine.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-roc-pc-plus.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rock-4c-plus.dtb
> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rock-4c-plus-mipi-dsi.dtbo
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rock-4se.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rock-pi-4a.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rock-pi-4a-plus.dtb
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-4c-plus-mipi-dsi.dtso b/arch/arm64/boot/dts/rockchip/rk3399-rock-4c-plus-mipi-dsi.dtso
> new file mode 100644
> index 000000000000..271717040b6c
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-4c-plus-mipi-dsi.dtso
> @@ -0,0 +1,69 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2023 Radxa Computer Co., Ltd.
> + * Copyright (c) 2023 Edgeble AI Technologies Pvt. Ltd.
> + *
> + * DT-overlay for Radxa ROCK 4C+ DSI Connector.
> + */
> +
> +/dts-v1/;
> +/plugin/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/pinctrl/rockchip.h>
> +
> +&{/} {
> + backlight: backlight {
> + compatible = "pwm-backlight";
> + pwms = <&pwm2 0 25000 0>;
> + };
> +};
> +
> +&mipi_dsi {
> + clock-master;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "okay";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + mipi_out: port@1 {
> + reg = <1>;
> +
> + mipi_out_panel: endpoint {
> + remote-endpoint = <&mipi_in_panel>;
> + };
> + };
> + };
> +
> + panel: panel@0 {
> + /* different resolution panels are used, compatibles are in DTO */
then I guess, the panel node should get a disabled here (and the mipi_dsi
should stay disabled at this point) and both should get enabled in the final
dtbo where the compatible lives?
> + reg = <0>;
> + backlight = <&backlight>;
> + vdd-supply = <&lcd_3v3>;
> + vccio-supply = <&vcc_1v8_s0>;
> + reset-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&lcd_panel_reset>;
> +
> + port {
> + mipi_in_panel: endpoint {
> + remote-endpoint = <&mipi_out_panel>;
> + };
> + };
> + };
> +};
> +
> +&pinctrl {
> + lcd {
> + lcd_panel_reset: lcd-panel-reset {
> + rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +};
> +
> +&pwm2 {
> + status = "okay";
> +};
>
