From c48c2b8d2d0910e86cfc7aa3183234811dceb1d2 Mon Sep 17 00:00:00 2001
From: Tao Huang <huangtao@rock-chips.com>
Date: Wed, 23 Dec 2020 11:12:33 +0800
Subject: [PATCH] arm64: dts: rockchip: add sram node for rk3568

Only 48KB system sram reserved for Linux.

Signed-off-by: Tao Huang <huangtao@rock-chips.com>
Change-Id: I08aef6ce1ceacca41f774dad9fc9badd77107a5e
---
 arch/arm64/boot/dts/rockchip/rk3568.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3568.dtsi b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
index 381845a1d15f..ddcf374acee6 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
@@ -554,6 +554,15 @@
 		reg = <0x0 0xfdcb8000 0x0 0x10000>;
 	};
 
+	sram: sram@fdcc0000 {
+		compatible = "mmio-sram";
+		reg = <0x0 0xfdcc0000 0x0 0xc000>;
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x0 0x0 0xfdcc0000 0xc000>;
+	};
+
 	pmucru: clock-controller@fdd00000 {
 		compatible = "rockchip,rk3568-pmucru";
 		reg = <0x0 0xfdd00000 0x0 0x1000>;