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Message-Id: <20250220-ringneck-dtbos-v1-5-25c97f2385e6@cherry.de>
Date: Thu, 20 Feb 2025 13:20:14 +0100
From: Quentin Schulz <foss+kernel@...il.net>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
Quentin Schulz <quentin.schulz@...obroma-systems.com>,
Farouk Bouabid <farouk.bouabid@...obroma-systems.com>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
Quentin Schulz <quentin.schulz@...rry.de>
Subject: [PATCH 5/5] arm64: dts: rockchip: add overlay for RK3399 Puma
Haikou Video Demo adapter
From: Quentin Schulz <quentin.schulz@...rry.de>
This adds support for the video-demo-adapter DEVKIT ADDON CAM-TS-A01
(https://embedded.cherry.de/product/development-kit/) for the Haikou
devkit with RK3399 Puma SoM.
The Video Demo adapter is an adapter connected to the fake PCIe slot
labeled "Video Connector" on the Haikou devkit.
Its main feature is a Leadtek DSI-display with touchscreen and a camera
(that is not supported yet because the expected clock rate by the driver
cannot be exactly reached by the clock driver). To drive these
components a number of additional regulators are grouped on the adapter
as well as a PCA9670 gpio-expander to provide the needed additional
gpio-lines.
Signed-off-by: Quentin Schulz <quentin.schulz@...rry.de>
---
arch/arm64/boot/dts/rockchip/Makefile | 5 +
.../rockchip/rk3399-puma-haikou-video-demo.dtso | 166 +++++++++++++++++++++
2 files changed, 171 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index 0f7c5c55c8b8be11e3fd7a69995ce1c17b22c80d..a46ed20e977aedb7cca1a9c0ad15f5441e4fe177 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -63,6 +63,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-orangepi.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-pinebook-pro.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-pinephone-pro.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-puma-haikou.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-puma-haikou-video-demo.dtbo
dtb-$(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
@@ -201,6 +202,10 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-ringneck-haikou-haikou-video-demo.dtb
px30-ringneck-haikou-haikou-video-demo-dtbs := px30-ringneck-haikou.dtb \
px30-ringneck-haikou-video-demo.dtbo
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-puma-haikou-haikou-video-demo.dtb
+rk3399-puma-haikou-haikou-video-demo-dtbs := rk3399-puma-haikou.dtb \
+ rk3399-puma-haikou-video-demo.dtbo
+
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-wolfvision-pf5-vz-2-uhd.dtb
rk3568-wolfvision-pf5-vz-2-uhd-dtbs := rk3568-wolfvision-pf5.dtb \
rk3568-wolfvision-pf5-display-vz.dtbo \
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou-video-demo.dtso b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou-video-demo.dtso
new file mode 100644
index 0000000000000000000000000000000000000000..0377ec860d35461b7d2d4ee1f20bdd4a076a5fe6
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou-video-demo.dtso
@@ -0,0 +1,166 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2025 Cherry Embedded Solutions GmbH
+ *
+ * DEVKIT ADDON CAM-TS-A01
+ * https://embedded.cherry.de/product/development-kit/
+ *
+ * DT-overlay for the camera / DSI demo appliance for Haikou boards.
+ * In the flavour for use with a Puma system-on-module.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/clock/rk3399-cru.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+
+&{/} {
+ backlight: backlight {
+ compatible = "pwm-backlight";
+ power-supply = <&dc_12v>;
+ pwms = <&pwm0 0 25000 0>;
+ };
+
+ cam_afvdd_2v8: regulator-cam-afvdd-2v8 {
+ compatible = "regulator-fixed";
+ gpio = <&pca9670 2 GPIO_ACTIVE_LOW>;
+ regulator-max-microvolt = <2800000>;
+ regulator-min-microvolt = <2800000>;
+ regulator-name = "cam-afvdd-2v8";
+ vin-supply = <&vcc2v8_video>;
+ };
+
+ cam_avdd_2v8: regulator-cam-avdd-2v8 {
+ compatible = "regulator-fixed";
+ gpio = <&pca9670 4 GPIO_ACTIVE_LOW>;
+ regulator-max-microvolt = <2800000>;
+ regulator-min-microvolt = <2800000>;
+ regulator-name = "cam-avdd-2v8";
+ vin-supply = <&vcc2v8_video>;
+ };
+
+ cam_dovdd_1v8: regulator-cam-dovdd-1v8 {
+ compatible = "regulator-fixed";
+ gpio = <&pca9670 3 GPIO_ACTIVE_LOW>;
+ regulator-max-microvolt = <1800000>;
+ regulator-min-microvolt = <1800000>;
+ regulator-name = "cam-dovdd-1v8";
+ vin-supply = <&vcc1v8_video>;
+ };
+
+ cam_dvdd_1v2: regulator-cam-dvdd-1v2 {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpio = <&pca9670 5 GPIO_ACTIVE_HIGH>;
+ regulator-max-microvolt = <1200000>;
+ regulator-min-microvolt = <1200000>;
+ regulator-name = "cam-dvdd-1v2";
+ vin-supply = <&vcc3v3_baseboard>;
+ };
+
+ vcc1v8_video: regulator-vcc1v8-video {
+ compatible = "regulator-fixed";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <1800000>;
+ regulator-min-microvolt = <1800000>;
+ regulator-name = "vcc1v8-video";
+ vin-supply = <&vcc3v3_baseboard>;
+ };
+
+ vcc2v8_video: regulator-vcc2v8-video {
+ compatible = "regulator-fixed";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <2800000>;
+ regulator-min-microvolt = <2800000>;
+ regulator-name = "vcc2v8-video";
+ vin-supply = <&vcc3v3_baseboard>;
+ };
+
+ video-adapter-leds {
+ compatible = "gpio-leds";
+
+ video-adapter-led {
+ color = <LED_COLOR_ID_BLUE>;
+ gpios = <&pca9670 7 GPIO_ACTIVE_HIGH>;
+ label = "video-adapter-led";
+ linux,default-trigger = "none";
+ };
+ };
+};
+
+&i2c1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ /* OV5675, GT911, DW9714 are limited to 400KHz */
+ clock-frequency = <400000>;
+
+ touchscreen@14 {
+ compatible = "goodix,gt911";
+ reg = <0x14>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <RK_PC7 IRQ_TYPE_LEVEL_LOW>;
+ irq-gpios = <&gpio1 RK_PC7 GPIO_ACTIVE_HIGH>;
+ pinctrl-0 = <&touch_int>;
+ pinctrl-names = "default";
+ reset-gpios = <&pca9670 1 GPIO_ACTIVE_HIGH>;
+ AVDD28-supply = <&vcc2v8_video>;
+ VDDIO-supply = <&vcc3v3_baseboard>;
+ };
+
+ pca9670: gpio@27 {
+ compatible = "nxp,pca9670";
+ reg = <0x27>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ pinctrl-0 = <&pca9670_resetn>;
+ pinctrl-names = "default";
+ reset-gpios = <&gpio4 RK_PD6 GPIO_ACTIVE_LOW>;
+ };
+};
+
+&mipi_out {
+ mipi_out_panel: endpoint {
+ remote-endpoint = <&mipi_in_panel>;
+ };
+};
+
+&mipi_dsi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ panel@0 {
+ compatible = "leadtek,ltk050h3148w";
+ reg = <0>;
+ backlight = <&backlight>;
+ iovcc-supply = <&vcc1v8_video>;
+ reset-gpios = <&pca9670 0 GPIO_ACTIVE_LOW>;
+ vci-supply = <&vcc2v8_video>;
+
+ port {
+ mipi_in_panel: endpoint {
+ remote-endpoint = <&mipi_out_panel>;
+ };
+ };
+ };
+};
+
+&pinctrl {
+ pca9670 {
+ pca9670_resetn: pca9670-resetn {
+ rockchip,pins = <4 RK_PD6 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ touch {
+ touch_int: touch-int {
+ rockchip,pins = <1 RK_PC7 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+};
--
2.48.1
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