From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Date: Tue, 11 Jul 2017 22:26:55 +0000 (+0200)
Subject: ARM: dts: meson: add a node which describes the SRAM
X-Git-Tag: v4.14-rc1~66^2~22^2~2
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=40b5c4f30c7f93c63836521d5be4e66eeb864539;p=linux.git

ARM: dts: meson: add a node which describes the SRAM

All 32bit Meson SoCs contain 128KiB SRAM. This SRAM is used when
suspending the device (the the ARM Power Firmware on
Meson8/Meson8b/Meson8m2 saves the DDR settings there) and to boot the
secondary CPU cores.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
---

diff --git a/arch/arm/boot/dts/meson.dtsi b/arch/arm/boot/dts/meson.dtsi
index 4c27ca083afb..7e136991a4b9 100644
--- a/arch/arm/boot/dts/meson.dtsi
+++ b/arch/arm/boot/dts/meson.dtsi
@@ -244,5 +244,13 @@ ethmac: ethernet@c9410000 {
 			interrupt-names = "macirq";
 			status = "disabled";
 		};
+
+		ahb_sram: sram@d9000000 {
+			compatible = "mmio-sram";
+			reg = <0xd9000000 0x20000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0xd9000000 0x20000>;
+		};
 	};
 }; /* end of / */