[PATCHv3 1/2] arm64: dts: stratix10: Add Stratix10 SMMU support

thor.thayer
2018-10-03T22:26:08Z

Add SMMU support to the Stratix10 Device Tree which
includes adding the SMMU node and adding IOMMU stream
ids to the SMMU peripherals.

Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
---
arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi | 28 +++++++++++++++++++++++
1 file changed, 28 insertions(+)

diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
index 42c411dd35b9..aa870a768996 100644
--- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
+++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
@@ -137,6 +137,7 @@
reset-names = "stmmaceth", "stmmaceth-ocp";
clocks = <&clkmgr STRATIX10_EMAC0_CLK>;
clock-names = "stmmaceth";
+ iommus = <&smmu 1>;
status = "disabled";
};

@@ -150,6 +151,7 @@
reset-names = "stmmaceth", "stmmaceth-ocp";
clocks = <&clkmgr STRATIX10_EMAC1_CLK>;
clock-names = "stmmaceth";
+ iommus = <&smmu 2>;
status = "disabled";
};

@@ -163,6 +165,7 @@
reset-names = "stmmaceth", "stmmaceth-ocp";
clocks = <&clkmgr STRATIX10_EMAC2_CLK>;
clock-names = "stmmaceth";
+ iommus = <&smmu 3>;
status = "disabled";
};

@@ -273,6 +276,7 @@
clocks = <&clkmgr STRATIX10_L4_MP_CLK>,
<&clkmgr STRATIX10_SDMMC_CLK>;
clock-names = "biu", "ciu";
+ iommus = <&smmu 5>;
status = "disabled";
};

@@ -307,6 +311,28 @@
altr,modrst-offset = <0x20>;
};

+ smmu: iommu@fa000000 {
+ compatible = "arm,mmu-500", "arm,smmu-v2";
+ reg = <0xfa000000 0x40000>;
+ #global-interrupts = <2>;
+ #iommu-cells = <1>;
+ clocks = <&clkmgr STRATIX10_L4_MAIN_CLK>;
+ interrupt-parent = <&intc>;
+ interrupts = <0 128 4>, /* Global Secure Fault */
+ <0 129 4>, /* Global Non-secure Fault */
+ /* Non-secure Context Interrupts (32) */
+ <0 138 4>, <0 139 4>, <0 140 4>, <0 141 4>,
+ <0 142 4>, <0 143 4>, <0 144 4>, <0 145 4>,
+ <0 146 4>, <0 147 4>, <0 148 4>, <0 149 4>,
+ <0 150 4>, <0 151 4>, <0 152 4>, <0 153 4>,
+ <0 154 4>, <0 155 4>, <0 156 4>, <0 157 4>,
+ <0 158 4>, <0 159 4>, <0 160 4>, <0 161 4>,
+ <0 162 4>, <0 163 4>, <0 164 4>, <0 165 4>,
+ <0 166 4>, <0 167 4>, <0 168 4>, <0 169 4>;
+ stream-match-mask = <0x7ff0>;
+ status = "disabled";
+ };
+
spi0: spi@ffda4000 {
compatible = "snps,dw-apb-ssi";
#address-cells = <1>;
@@ -416,6 +442,7 @@
resets = <&rst USB0_RESET>, <&rst USB0_OCP_RESET>;
reset-names = "dwc2", "dwc2-ecc";
clocks = <&clkmgr STRATIX10_USB_CLK>;
+ iommus = <&smmu 6>;
status = "disabled";
};

@@ -428,6 +455,7 @@
resets = <&rst USB1_RESET>, <&rst USB1_OCP_RESET>;
reset-names = "dwc2", "dwc2-ecc";
clocks = <&clkmgr STRATIX10_USB_CLK>;
+ iommus = <&smmu 7>;
status = "disabled";
};

--
2.7.4