[PATCH 1/3] dts: arm64/sdm845: Add node for arm,mmu-500
From: robh+dt@kernel.org (Rob Herring)
Date: 2018-07-19 23:08:45
Also in:
linux-arm-msm, linux-devicetree, linux-iommu, lkml
On Thu, Jul 19, 2018 at 11:54 AM Vivek Gautam [off-list ref] wrote:
quoted hunk ↗ jump to hunk
Add device node for arm,mmu-500 available on sdm845. This MMU-500 with single TCU and multiple TBU architecture is shared among all the peripherals except gpu on sdm845. Signed-off-by: Vivek Gautam <redacted> --- arch/arm64/boot/dts/qcom/sdm845-mtp.dts | 4 ++ arch/arm64/boot/dts/qcom/sdm845.dtsi | 73 +++++++++++++++++++++++++++++++++ 2 files changed, 77 insertions(+)diff --git a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts index 6d651f314193..13b50dff440f 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts +++ b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts@@ -58,3 +58,7 @@ bias-pull-up; }; }; + +&apps_smmu { + status = "okay"; +};diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi index 00722b533a92..70ca18ae6cb3 100644 --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi@@ -980,6 +980,79 @@ cell-index = <0>; }; + apps_smmu: arm,smmu at 15000000 {
iommu at ...
+ compatible = "arm,mmu-500";
Really unmodified by QCom? Would be better to have SoC specific compatible. Rob