linux-kernel - [PATCH 2/2] arm64: dts: rockchip: Enable eDP display for Cool Pi GenBook

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Message-ID: <20250426071554.1305042-2-andyshrk@163.com>
Date: Sat, 26 Apr 2025 15:15:41 +0800
From: Andy Yan <andyshrk@....com>
To: heiko@...ech.de
Cc: krzk+dt@...nel.org,
	robh@...nel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	inux-rockchip@...ts.infradead.org,
	Andy Yan <andyshrk@....com>
Subject: [PATCH 2/2] arm64: dts: rockchip: Enable eDP display for Cool Pi GenBook

Cool Pi CM5 GenBook equipped with a 1080P eDP panel, the panel
connected on board with 30/40 pin connector.

There is no hpd hooked up on the board, so we need to set
hpd-absent-delay-ms in dts.

Signed-off-by: Andy Yan <andyshrk@....com>
---

 .../rockchip/rk3588-coolpi-cm5-genbook.dts    | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-coolpi-cm5-genbook.dts b/arch/arm64/boot/dts/rockchip/rk3588-coolpi-cm5-genbook.dts
index 6dc10da5215f..738637ecaf55 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-coolpi-cm5-genbook.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-coolpi-cm5-genbook.dts
@@ -148,6 +148,40 @@ vcc5v0_usb_host0: vcc5v0_usb30_host: regulator-vcc5v0-usb-host {
 	};
 };
 
+&edp1 {
+	force-hpd;
+	status = "okay";
+
+	aux-bus {
+		panel {
+			compatible = "edp-panel";
+			hpd-absent-delay-ms = <200>;
+			no-hpd;
+			backlight = <&backlight>;
+			power-supply = <&vcc3v3_lcd>;
+
+			port {
+				panel_in_edp: endpoint {
+					remote-endpoint = <&edp_out_panel>;
+				};
+			};
+		};
+	};
+};
+
+&edp1_in {
+	edp1_in_vp2: endpoint {
+		remote-endpoint = <&vp2_out_edp1>;
+	};
+};
+
+&edp1_out {
+	edp_out_panel: endpoint {
+		remote-endpoint = <&panel_in_edp>;
+	};
+};
+
+
 /* HDMI CEC is not used */
 &hdmi0 {
 	pinctrl-0 = <&hdmim0_tx0_hpd &hdmim0_tx0_scl &hdmim0_tx0_sda>;
@@ -170,6 +204,10 @@ &hdptxphy0 {
 	status = "okay";
 };
 
+&hdptxphy1 {
+	status = "okay";
+};
+
 &i2c4 {
 	status = "okay";
 	pinctrl-names = "default";
@@ -383,6 +421,8 @@ &usb_host1_xhci {
 };
 
 &vop {
+	assigned-clocks = <&cru DCLK_VOP2_SRC>;
+	assigned-clock-parents = <&cru PLL_V0PLL>;
 	status = "okay";
 };
 
@@ -396,3 +436,10 @@ vp0_out_hdmi0: endpoint@...KCHIP_VOP2_EP_HDMI0 {
 		remote-endpoint = <&hdmi0_in_vp0>;
 	};
 };
+
+&vp2 {
+	vp2_out_edp1: endpoint@...KCHIP_VOP2_EP_EDP1 {
+		reg = <ROCKCHIP_VOP2_EP_EDP1>;
+		remote-endpoint = <&edp1_in_vp2>;
+	};
+};
-- 
2.43.0