diff options
| author | Marek Vasut <marek.vasut+renesas@mailbox.org> | 2025-09-04 22:28:06 +0200 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2025-10-13 11:32:25 +0200 |
| commit | 38ef5be6e1c2bd0ce2ff344cdb4fb750455152cd (patch) | |
| tree | 550f963aac107548a9cb5964062482fc894cf552 /arch | |
| parent | f16068832a8f39c89cab8e770e11690bc4c1e673 (diff) | |
arm64: dts: renesas: sparrow-hawk: Add overlay for RPi Display 2
Add a DT overlay to bind the Raspberry Pi Display 2 (both 5" and 7"
variants), on the Retronix R-Car V4H Sparrow Hawk board. All of display
output, touch controller, and backlight control have been tested.
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20250904202838.172579-1-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'arch')
4 files changed, 122 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile index ccdf7aaeca13..dd45927dbe69 100644 --- a/arch/arm64/boot/dts/renesas/Makefile +++ b/arch/arm64/boot/dts/renesas/Makefile @@ -111,6 +111,12 @@ dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-camera-j2-imx462.dtb dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-fan-pwm.dtbo r8a779g3-sparrow-hawk-fan-pwm-dtbs := r8a779g3-sparrow-hawk.dtb r8a779g3-sparrow-hawk-fan-pwm.dtbo dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-fan-pwm.dtb +dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-rpi-display-2-5in.dtbo +r8a779g3-sparrow-hawk-rpi-display-2-5in-dtbs := r8a779g3-sparrow-hawk.dtb r8a779g3-sparrow-hawk-rpi-display-2-5in.dtbo +dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-rpi-display-2-5in.dtb +dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-rpi-display-2-7in.dtbo +r8a779g3-sparrow-hawk-rpi-display-2-7in-dtbs := r8a779g3-sparrow-hawk.dtb r8a779g3-sparrow-hawk-rpi-display-2-7in.dtbo +dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-sparrow-hawk-rpi-display-2-7in.dtb dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g3-white-hawk-single.dtb r8a779g3-white-hawk-single-ard-audio-da7212-dtbs := r8a779g3-white-hawk-single.dtb white-hawk-ard-audio-da7212.dtbo diff --git a/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-rpi-display-2-5in.dtso b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-rpi-display-2-5in.dtso new file mode 100644 index 000000000000..bf7b531ae9d9 --- /dev/null +++ b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-rpi-display-2-5in.dtso @@ -0,0 +1,13 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* + * Device Tree Overlay for the RPi Display 2 5" MIPI DSI panel connected + * to J4:DSI on R-Car V4H ES3.0 Sparrow Hawk board + * + * Copyright (C) 2025 Marek Vasut <marek.vasut+renesas@mailbox.org> + */ + +#include "r8a779g3-sparrow-hawk-rpi-display-2.dtsi" + +&panel { + compatible = "raspberrypi,dsi-5inch", "ilitek,ili9881c"; +}; diff --git a/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-rpi-display-2-7in.dtso b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-rpi-display-2-7in.dtso new file mode 100644 index 000000000000..6ec47f213c0f --- /dev/null +++ b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-rpi-display-2-7in.dtso @@ -0,0 +1,13 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* + * Device Tree Overlay for the RPi Display 2 7" MIPI DSI panel connected + * to J4:DSI on R-Car V4H ES3.0 Sparrow Hawk board + * + * Copyright (C) 2025 Marek Vasut <marek.vasut+renesas@mailbox.org> + */ + +#include "r8a779g3-sparrow-hawk-rpi-display-2.dtsi" + +&panel { + compatible = "raspberrypi,dsi-7inch", "ilitek,ili9881c"; +}; diff --git a/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-rpi-display-2.dtsi b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-rpi-display-2.dtsi new file mode 100644 index 000000000000..733333b85a9d --- /dev/null +++ b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-rpi-display-2.dtsi @@ -0,0 +1,90 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* + * Device Tree Overlay for the RPi Display 2 MIPI DSI panel connected + * to J4:DSI on R-Car V4H ES3.0 Sparrow Hawk board + * + * Copyright (C) 2025 Marek Vasut <marek.vasut+renesas@mailbox.org> + */ + +/dts-v1/; +/plugin/; + +#include <dt-bindings/gpio/gpio.h> + +&{/} { + display_bl: backlight { + compatible = "pwm-backlight"; + pwms = <&mcu 0 255 0>; + }; + + reg_display: regulator-display { + compatible = "regulator-fixed"; + regulator-name = "rpi-display"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + }; + + reg_dsi_touch: regulator-dsi-touch { + compatible = "regulator-fixed"; + gpio = <&mcu 1 GPIO_ACTIVE_HIGH>; + regulator-name = "rpi-touch"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + startup-delay-us = <50000>; + enable-active-high; + }; +}; + +&i2c0_mux3 { + #address-cells = <1>; + #size-cells = <0>; + + mcu: gpio@45 { + compatible = "raspberrypi,touchscreen-panel-regulator-v2"; + reg = <0x45>; + gpio-controller; + #gpio-cells = <2>; + #pwm-cells = <3>; + }; + + touchscreen@5d { + compatible = "goodix,gt911"; + reg = <0x5d>; + AVDD28-supply = <®_dsi_touch>; + touchscreen-size-x = <720>; + touchscreen-size-y = <1280>; + }; +}; + +&dsi0 { + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@1 { + reg = <1>; + + dsi0_out: endpoint { + remote-endpoint = <&panel_in>; + data-lanes = <1 2>; + }; + }; + }; + + panel: panel@0 { + reg = <0>; + backlight = <&display_bl>; + power-supply = <®_display>; + reset-gpios = <&mcu 0 GPIO_ACTIVE_LOW>; + + port { + panel_in: endpoint { + remote-endpoint = <&dsi0_out>; + }; + }; + }; +}; |