From 8f08a64ede471b818c8ced9c4587ae05c2dbde79 Mon Sep 17 00:00:00 2001
From: Addy Ke <addy.ke@rock-chips.com>
Date: Fri, 18 Mar 2022 11:32:14 +0800
Subject: [PATCH] arm64: dts: rockchip: rk3588-toybrick-x0: enable
 hdmirx_ctrler

Enable hdmirx_ctrler and reserve cma memory for hdmi-in application

Signed-off-by: Addy Ke <addy.ke@rock-chips.com>
Change-Id: Ie3f3deeeb24f549c82649029ed683a2aa6956068
---
 .../boot/dts/rockchip/rk3588-toybrick-x0.dtsi | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-toybrick-x0.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-toybrick-x0.dtsi
index 7236dba932a2..e0f76cdf8c88 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-toybrick-x0.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-toybrick-x0.dtsi
@@ -10,6 +10,21 @@
 #include "rk3588-rk806-single.dtsi"
 
 / {
+	/* If hdmirx node is disabled, delete the reserved-memory node here. */
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		/* Reserve 256MB memory for hdmirx-controller@fdee0000 */
+		cma {
+			compatible = "shared-dma-pool";
+			reusable;
+			reg = <0x0 (256 * 0x100000) 0x0 (256 * 0x100000)>;
+			linux,cma-default;
+		};
+	};
+
 	hdmiin_dc: hdmiin-dc {
 			compatible = "rockchip,dummy-codec";
 		#sound-dai-cells = <0>;
@@ -324,6 +339,15 @@
 	status = "okay";
 };
 
+/* Should work with at least 128MB cma reserved above. */
+&hdmirx_ctrler {
+	status = "okay";
+
+	/* Effective level used to trigger HPD: 0-low, 1-high */
+	hpd-trigger-level = <1>;
+	hdmirx-det-gpios = <&gpio2 13 GPIO_ACTIVE_LOW>;
+};
+
 &hdptxphy_hdmi0 {
 	status = "okay";
 };