From f143bf345d3cbe44128816d56a01088205243e07 Mon Sep 17 00:00:00 2001 From: Vladimir Zapolskiy Date: Tue, 12 Dec 2017 03:26:09 +0300 Subject: ARM: tegra: Add device tree node to describe IRAM on Tegra20 All Tegra20 SoCs contain 256 KiB IRAM, which is used to store resume code and by the video decoder engine. Signed-off-by: Vladimir Zapolskiy Signed-off-by: Dmitry Osipenko Signed-off-by: Thierry Reding --- arch/arm/boot/dts/tegra20.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'arch') diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi index 914f59166a99..36909df653c3 100644 --- a/arch/arm/boot/dts/tegra20.dtsi +++ b/arch/arm/boot/dts/tegra20.dtsi @@ -10,6 +10,14 @@ compatible = "nvidia,tegra20"; interrupt-parent = <&lic>; + iram@40000000 { + compatible = "mmio-sram"; + reg = <0x40000000 0x40000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x40000000 0x40000>; + }; + host1x@50000000 { compatible = "nvidia,tegra20-host1x", "simple-bus"; reg = <0x50000000 0x00024000>; -- cgit v1.2.3