From mboxrd@z Thu Jan 1 00:00:00 1970 From: thierry.reding@gmail.com (Thierry Reding) Date: Mon, 13 Oct 2014 12:33:49 +0200 Subject: [PATCH 07/12] ARM: tegra: Add memory controller support for Tegra30 In-Reply-To: <1413196434-5292-1-git-send-email-thierry.reding@gmail.com> References: <1413196434-5292-1-git-send-email-thierry.reding@gmail.com> Message-ID: <1413196434-5292-7-git-send-email-thierry.reding@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Thierry Reding Collapses the old memory-controller and IOMMU device tree nodes into a single node to more accurately describe the hardware. While this is an incompatible change there are no users of the IOMMU on Tegra, even though a driver has existed for some time. Signed-off-by: Thierry Reding --- arch/arm/boot/dts/tegra30.dtsi | 20 ++++++-------------- 1 file changed, 6 insertions(+), 14 deletions(-) diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi index aa6ccea13d30..fa7e5b642434 100644 --- a/arch/arm/boot/dts/tegra30.dtsi +++ b/arch/arm/boot/dts/tegra30.dtsi @@ -623,23 +623,15 @@ clock-names = "pclk", "clk32k_in"; }; - memory-controller at 7000f000 { + mc: memory-controller at 7000f000 { compatible = "nvidia,tegra30-mc"; - reg = <0x7000f000 0x010 - 0x7000f03c 0x1b4 - 0x7000f200 0x028 - 0x7000f284 0x17c>; + reg = <0x7000f000 0x400>; + clocks = <&tegra_car TEGRA30_CLK_MC>; + clock-names = "mc"; + interrupts = ; - }; - iommu at 7000f010 { - compatible = "nvidia,tegra30-smmu"; - reg = <0x7000f010 0x02c - 0x7000f1f0 0x010 - 0x7000f228 0x05c>; - nvidia,#asids = <4>; /* # of ASIDs */ - dma-window = <0 0x40000000>; /* IOVA start & length */ - nvidia,ahb = <&ahb>; + #iommu-cells = <1>; }; fuse at 7000f800 { -- 2.1.2