From mboxrd@z Thu Jan 1 00:00:00 1970 From: hdoyu@nvidia.com (Hiroshi Doyu) Date: Mon, 1 Jul 2013 10:24:46 +0200 Subject: [PATCH 06/23] ARM: dt: tegra114: iommu: Add "nvidia,swgroups" In-Reply-To: <20130626105216.GL27083@manwe> References: <1372238906-9346-7-git-send-email-hdoyu@nvidia.com><20130626105216.GL27083@manwe> Message-ID: <20130701.112446.119298599375396428.hdoyu@nvidia.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Thierry Reding wrote @ Wed, 26 Jun 2013 12:52:17 +0200: > * PGP Signed by an unknown key > > On Wed, Jun 26, 2013 at 12:28:09PM +0300, Hiroshi Doyu wrote: > > This is a bitmap that indicates which HardWare Accelerators(HWA) are > > supported on Tegra114 SoC. > > > > Signed-off-by: Hiroshi Doyu > > --- > > arch/arm/boot/dts/tegra114.dtsi | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/arch/arm/boot/dts/tegra114.dtsi b/arch/arm/boot/dts/tegra114.dtsi > > index 1f45cf5..715b5d6 100644 > > --- a/arch/arm/boot/dts/tegra114.dtsi > > +++ b/arch/arm/boot/dts/tegra114.dtsi > > @@ -323,7 +323,7 @@ > > 0x70019228 0x074>; > > nvidia,#asids = <4>; > > dma-window = <0 0x40000000>; > > - nvidia,swgroups = <0x18659fe>; > > + nvidia,swgroups = <0x00000000 0x01b659fe>; > > nvidia,ahb = <&ahb>; > > }; > > It seems like an nvidia,tegra114-smmu.txt file is missing from the > Documentation/devicetree/bindings/iommu directory. All difference between T30 and T114 is now provided from DT. They have all same entries but only those values are different. Do we still need a copy of nvidia,tegra30-smmu.txt for t114 or is just tweaking nvidia,tegra30-smmu.txt for t114 enough?