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 */
+ 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";
+};
--
2.25.1
