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/linux/Documentation/devicetree/bindings/iommu/
H A Dapple,dart.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iommu/apple,dart.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Apple DART IOMMU
10 - Sven Peter <sven@svenpeter.dev>
17 Each DART instance is capable of handling up to 16 different streams
18 with individual pagetables and page-level read/write protection flags.
20 This DART IOMMU also raises interrupts in response to various
26 - apple,t8103-dart
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/linux/arch/arm64/boot/dts/apple/
H A Dt8103.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
3 * Apple T8103 "M1" SoC
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/interrupt-controller/apple-aic.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
13 #include <dt-bindings/pinctrl/apple.h>
16 compatible = "apple,t8103", "apple,arm-platform";
18 #address-cells = <2>;
19 #size-cells = <2>;
22 #address-cells = <2>;
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H A Dt8112.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/interrupt-controller/apple-aic.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
13 #include <dt-bindings/pinctrl/apple.h>
14 #include <dt-bindings/spmi/spmi.h>
17 compatible = "apple,t8112", "apple,arm-platform";
19 #address-cells = <2>;
20 #size-cells = <2>;
23 #address-cells = <2>;
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/linux/drivers/iommu/
H A Dapple-dart.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Apple DART (Device Address Resolution Table) IOMMU driver
7 * Based on arm/arm-smmu/arm-ssmu.c and arm/arm-smmu-v3/arm-smmu-v3.c
10 * and on exynos-iommu.c
18 #include <linux/dma-mapping.h>
21 #include <linux/io-pgtable.h>
35 #include "dma-iommu.h"
145 #define DART_TCR(dart, sid) ((dart)->hw->tcr + ((sid) << 2)) argument
147 #define DART_TTBR(dart, sid, idx) ((dart)->hw->ttbr + \ argument
148 (((dart)->hw->ttbr_count * (sid)) << 2) + \
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