Lines Matching +full:multi +full:- +full:bit
1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/dma/snps,dma-spear1340.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Viresh Kumar <vireshk@kernel.org>
11 - Andy Shevchenko <andriy.shevchenko@linux.intel.com>
14 - $ref: dma-controller.yaml#
19 - const: snps,dma-spear1340
20 - items:
21 - enum:
22 - renesas,r9a06g032-dma
23 - const: renesas,rzn1-dma
26 "#dma-cells":
46 clock-names:
50 dma-channels:
53 not specified the driver will try to auto-detect this and
58 dma-requests:
62 dma-masters:
66 not specified the driver will try to auto-detect this and
75 (first free allocated), while one - descending (last free allocated).
93 data-width:
94 $ref: /schemas/types.yaml#/definitions/uint32-array
102 $ref: /schemas/types.yaml#/definitions/uint32-array
106 deprecated. It' usage is discouraged in favor of data-width one. Moreover
107 the property incorrectly permits to define data-bus width of 8 and 16
108 bits, which is impossible in accordance with DW DMAC IP-core data book.
113 - 0 # 8 bits
114 - 1 # 16 bits
115 - 2 # 32 bits
116 - 3 # 64 bits
117 - 4 # 128 bits
118 - 5 # 256 bits
121 multi-block:
122 $ref: /schemas/types.yaml#/definitions/uint32-array
124 LLP-based multi-block transfer supported by hardware per
132 snps,max-burst-len:
133 $ref: /schemas/types.yaml#/definitions/uint32-array
136 This property defines the upper limit of the run-time burst setting
138 will be from 1 to max-burst-len words. It's an array property with one
147 snps,dma-protection-control:
150 Bits one-to-one passed to the AHB HPROT[3:1] bus. Each bit setting
151 indicates the following features: bit 0 - privileged mode,
152 bit 1 - DMA is bufferable, bit 2 - DMA is cacheable.
160 - compatible
161 - "#dma-cells"
162 - reg
163 - interrupts
166 - |
167 dma-controller@fc000000 {
168 compatible = "snps,dma-spear1340";
170 interrupt-parent = <&vic1>;
173 dma-channels = <8>;
174 dma-requests = <16>;
175 dma-masters = <4>;
176 #dma-cells = <3>;
181 data-width = <8 8>;
182 multi-block = <0 0 0 0 0 0 0 0>;
183 snps,max-burst-len = <16 16 4 4 4 4 4 4>;