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[109.252.91.27]) by smtp.gmail.com with ESMTPSA id q74sm7349086wrb.51.2017.10.19.14.37.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 19 Oct 2017 14:37:31 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Greg Kroah-Hartman , Rob Herring , Mauro Carvalho Chehab , Stephen Warren , Vladimir Zapolskiy Cc: Dan Carpenter , linux-media@vger.kernel.org, linux-tegra@vger.kernel.org, devel@driverdev.osuosl.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 1/5] ARM: tegra: Add device tree node to describe IRAM Date: Fri, 20 Oct 2017 00:34:21 +0300 Message-Id: <8ce696bc2b4b1808f6c7f7a967a3dacd954d2a4e.1508448293.git.digetx@gmail.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: References: In-Reply-To: References: Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org From: Vladimir Zapolskiy All Tegra SoCs contain 256KiB IRAM, which is used to store CPU resume code and by hardware engines like a video decoder. Signed-off-by: Vladimir Zapolskiy --- arch/arm/boot/dts/tegra114.dtsi | 8 ++++++++ arch/arm/boot/dts/tegra124.dtsi | 8 ++++++++ arch/arm/boot/dts/tegra20.dtsi | 8 ++++++++ arch/arm/boot/dts/tegra30.dtsi | 8 ++++++++ 4 files changed, 32 insertions(+) diff --git a/arch/arm/boot/dts/tegra114.dtsi b/arch/arm/boot/dts/tegra114.dtsi index 8932ea3afd5f..13f6087790c8 100644 --- a/arch/arm/boot/dts/tegra114.dtsi +++ b/arch/arm/boot/dts/tegra114.dtsi @@ -10,6 +10,14 @@ compatible = "nvidia,tegra114"; 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,tegra114-host1x", "simple-bus"; reg = <0x50000000 0x00028000>; diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi index 8baf00b89efb..a3585ed82646 100644 --- a/arch/arm/boot/dts/tegra124.dtsi +++ b/arch/arm/boot/dts/tegra124.dtsi @@ -14,6 +14,14 @@ #address-cells = <2>; #size-cells = <2>; + iram@40000000 { + compatible = "mmio-sram"; + reg = <0x0 0x40000000 0x0 0x40000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x0 0x40000000 0x40000>; + }; + pcie@1003000 { compatible = "nvidia,tegra124-pcie"; device_type = "pci"; diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi index 7c85f97f72ea..aaf32f96f1e8 100644 --- a/arch/arm/boot/dts/tegra20.dtsi +++ b/arch/arm/boot/dts/tegra20.dtsi @@ -9,6 +9,14 @@ 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>; diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi index 13960fda7471..3b447c64bf69 100644 --- a/arch/arm/boot/dts/tegra30.dtsi +++ b/arch/arm/boot/dts/tegra30.dtsi @@ -10,6 +10,14 @@ compatible = "nvidia,tegra30"; interrupt-parent = <&lic>; + iram@40000000 { + compatible = "mmio-sram"; + reg = <0x40000000 0x40000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x40000000 0x40000>; + }; + pcie@3000 { compatible = "nvidia,tegra30-pcie"; device_type = "pci";