From 84810071046bf0635fa3d96097e6ef50745e4f07 Mon Sep 17 00:00:00 2001
From: Chaoyi Chen <chaoyi.chen@rock-chips.com>
Date: Wed, 31 Jan 2024 09:12:59 +0800
Subject: [PATCH] arm64: dts: rockchip: Add rk3576 eink dtsi

Signed-off-by: Chaoyi Chen <chaoyi.chen@rock-chips.com>
Signed-off-by: Zorro Liu <lyx@rock-chips.com>
Change-Id: I8ea99028869587185f9321be28b494c3953b788f
---
 arch/arm64/boot/dts/rockchip/rk3576-eink.dtsi | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 arch/arm64/boot/dts/rockchip/rk3576-eink.dtsi

diff --git a/arch/arm64/boot/dts/rockchip/rk3576-eink.dtsi b/arch/arm64/boot/dts/rockchip/rk3576-eink.dtsi
new file mode 100644
index 000000000000..84524697a68c
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3576-eink.dtsi
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2024 Rockchip Electronics Co., Ltd.
+ */
+
+/ {
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		/*
+		 * 256 MB DDR offset CMA start
+		 * 256 + 8 MB DDR offset waveform start
+		 */
+		waveform_reserved: waveform@50800000 {
+			reg = <0x0 0x50800000 0x0 0x100000>;
+		};
+
+		display_reserved: framebuffer@50900000 {
+			reg = <0x0 0x50900000 0x0 0x3800000>;
+		};
+	};
+
+	ebc_dev: ebc-dev {
+		compatible = "rockchip,ebc-dev";
+		ebc_tcon = <&ebc>;
+		memory-region = <&display_reserved>;
+		waveform-region = <&waveform_reserved>;
+		status = "okay";
+	};
+};
+
+&ebc {
+	status = "okay";
+};