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/OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/iommu/
H A Dmediatek,iommu.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Yong Wu <yong.wu@mediatek.com>
16 ARM Short-Descriptor translation table format for address translation.
24 +--------+
26 gals0-rx gals1-rx (Global Async Local Sync rx)
29 gals0-tx gals1-tx (Global Async Local Sync tx)
31 +--------+
35 +----------------+-------
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/OK3568_Linux_fs/kernel/drivers/memory/
H A Dmtk-smi.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2015-2016 MediaTek Inc.
17 #include <dt-bindings/memory/mt2701-larb-port.h>
18 #include <dt-bindings/memory/mtk-memory-port.h>
29 /* every register control 8 port, register offset 0x4 */
35 * every port have 4 bit to control, bit[port + 3] control virtual or physical,
36 * bit[port + 2 : port + 1] control the domain, bit[port] control the security
37 * or non-security.
88 struct mtk_smi_larb { /* larb: local arbiter */
102 ret = clk_prepare_enable(smi->clk_apb); in mtk_smi_clk_enable()
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/OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/media/
H A Dmediatek-vcodec.txt7 - compatible : "mediatek,mt8173-vcodec-enc" for MT8173 encoder
8 "mediatek,mt8183-vcodec-enc" for MT8183 encoder.
9 "mediatek,mt8173-vcodec-dec" for MT8173 decoder.
10 - reg : Physical base address of the video codec registers and length of
12 - interrupts : interrupt number to the cpu.
13 - mediatek,larb : must contain the local arbiters in the current Socs.
14 - clocks : list of clock specifiers, corresponding to entries in
15 the clock-names property.
16 - clock-names: encoder must contain "venc_sel_src", "venc_sel",,
20 - iommus : should point to the respective IOMMU block with master port as
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/OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/memory-controllers/
H A Dmediatek,smi-common.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/memory-controllers/mediatek,smi-common.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Yong Wu <yong.wu@mediatek.com>
19 generation 2: mt2712, mt6779, mt8167, mt8173 and mt8183.
22 register which control the iommu port is at each larb's register base. But
31 - enum:
32 - mediatek,mt2701-smi-common
33 - mediatek,mt2712-smi-common
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/OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/display/mediatek/
H A Dmediatek,disp.txt29 - compatible: "mediatek,<chip>-disp-<function>", one of
30 "mediatek,<chip>-disp-ovl" - overlay (4 layers, blending, csc)
31 "mediatek,<chip>-disp-ovl-2l" - overlay (2 layers, blending, csc)
32 "mediatek,<chip>-disp-rdma" - read DMA / line buffer
33 "mediatek,<chip>-disp-wdma" - write DMA
34 "mediatek,<chip>-disp-ccorr" - color correction
35 "mediatek,<chip>-disp-color" - color processor
36 "mediatek,<chip>-disp-dither" - dither
37 "mediatek,<chip>-disp-aal" - adaptive ambient light controller
38 "mediatek,<chip>-disp-gamma" - gamma correction
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/OK3568_Linux_fs/kernel/drivers/iommu/
H A Dmtk_iommu.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2015-2016 MediaTek Inc.
11 #include <linux/dma-direct.h>
12 #include <linux/dma-iommu.h>
124 ((((pdata)->flags) & (_x)) == (_x))
150 * |---A---|---B---|---C---|---D---|---E---|
151 * +--I/O--+------------Memory-------------+
157 * |---E---|---B---|---C---|---D---|
158 * +------------Memory-------------+
215 if (pm_runtime_get_if_in_use(data->dev) <= 0) in mtk_iommu_tlb_flush_all()
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