On Tue, Jul 11, 2023 at 03:14:40PM -0700, Tim Harvey wrote:
> Add support for the following Raspberry Pi displays:
> - DFROBOT DRF0678 7in 800x480 TFT DSI capacitive touch
> - DFROBOT DRF0550 5in 800x480 TFT DSI capacitive touch
>
> Both have the following hardware:
> - FocalTech FT5406 10pt touch controller (with no interrupt)
> - Powertip PH800480T013-IDF02 compatible panel
> - Toshiba TC358762 compatible DSI to DBI bridge
> - ATTINY based regulator used for backlight controller and panel enable
>
> Support is added via a device-tree overlay. The touch controller is not
> yet supported as polling mode is needed.
>
> Signed-off-by: Tim Harvey <tharvey@xxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/freescale/Makefile | 2 +
> .../imx8mp-venice-gw74xx-rpidsi.dtso | 86 +++++++++++++++++++
> 2 files changed, 88 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx-rpidsi.dtso
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 454b07ed09fc..60a69e114442 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -156,6 +156,7 @@ imx8mm-venice-gw73xx-0x-rpidsi-dtbs := imx8mm-venice-gw73xx-0x.dtb imx8mm-venice
> imx8mm-venice-gw73xx-0x-rs232-rts-dtbs := imx8mm-venice-gw73xx-0x.dtb imx8mm-venice-gw73xx-0x-rs232-rts.dtbo
> imx8mm-venice-gw73xx-0x-rs422-dtbs := imx8mm-venice-gw73xx-0x.dtb imx8mm-venice-gw73xx-0x-rs422.dtbo
> imx8mm-venice-gw73xx-0x-rs485-dtbs := imx8mm-venice-gw73xx-0x.dtb imx8mm-venice-gw73xx-0x-rs485.dtbo
> +imx8mp-venice-gw74xx-rpidsi-dtbs := imx8mp-venice-gw74xx.dtb imx8mp-venice-gw74xx-rpidsi.dtbo
>
> dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw72xx-0x-imx219.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw72xx-0x-rpidsi.dtb
> @@ -167,6 +168,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw73xx-0x-rpidsi.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw73xx-0x-rs232-rts.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw73xx-0x-rs422.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw73xx-0x-rs485.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx8mp-venice-gw74xx-rpidsi.dtb
>
> dtb-$(CONFIG_ARCH_S32) += s32g274a-evb.dtb
> dtb-$(CONFIG_ARCH_S32) += s32g274a-rdb2.dtb
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx-rpidsi.dtso b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx-rpidsi.dtso
> new file mode 100644
> index 000000000000..eec635ead119
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx-rpidsi.dtso
> @@ -0,0 +1,86 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright 2023 Gateworks Corporation
> + */
> +
> +/dts-v1/;
> +/plugin/;
> +
> +&{/} {
> + compatible = "gateworks,imx8mp-gw74xx", "fsl,imx8mp";
> +
> + panel {
> + compatible = "powertip,ph800480t013-idf02";
> + power-supply = <&attiny>;
> + backlight = <&attiny>;
> +
> + port {
> + panel_in: endpoint {
> + remote-endpoint = <&bridge_out>;
> + };
> + };
> + };
> +};
> +
> +&i2c4 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + attiny: regulator@45 {
> + compatible = "raspberrypi,7inch-touchscreen-panel-regulator";
> + reg = <0x45>;
> + };
> +};
> +
> +&lcdif1 {
> + status = "okay";
> +};
> +
> +&mipi_dsi {
> + samsung,burst-clock-frequency = <891000000>;
> + samsung,esc-clock-frequency = <54000000>;
> + samsung,pll-clock-frequency = <27000000>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "okay";
> +
> + bridge@0 {
> + compatible = "toshiba,tc358762";
> + reg = <0>;
> + vddc-supply = <&attiny>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
Missing newline.
Shawn
> + bridge_in: endpoint {
> + remote-endpoint = <&dsi_out>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + bridge_out: endpoint {
> + remote-endpoint = <&panel_in>;
> + };
> + };
> + };
> + };
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@1 {
> + reg = <1>;
> +
> + dsi_out: endpoint {
> + data-lanes = <1 2>;
> + remote-endpoint = <&bridge_in>;
> + };
> + };
> + };
> +};
> --
> 2.25.1
>
