bindings/memory-controllers/nvidia%2Ctegra210-emc.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/nvidia,tegra210-emc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NVIDIA Tegra210 SoC External Memory Controller
10   - Thierry Reding <thierry.reding@gmail.com>
11   - Jon Hunter <jonathanh@nvidia.com>
14   The EMC interfaces with the off-chip SDRAM to service the request stream
15   sent from the memory controller.
19     const: nvidia,tegra210-emc
26       - description: external memory clock
28   clock-names:
30       - const: emc
34       - description: EMC general interrupt
36   memory-region:
39       phandle to a reserved memory region describing the table of EMC
42   nvidia,memory-controller:
45       phandle of the memory controller node
48   - compatible
49   - reg
50   - clocks
51   - clock-names
52   - nvidia,memory-controller
57   - |
58     #include <dt-bindings/clock/tegra210-car.h>
59     #include <dt-bindings/interrupt-controller/arm-gic.h>
61     reserved-memory {
62         #address-cells = <1>;
63         #size-cells = <1>;
66         emc_table: emc-table@83400000 {
67             compatible = "nvidia,tegra210-emc-table";
72     external-memory-controller@7001b000 {
73         compatible = "nvidia,tegra210-emc";
78         clock-names = "emc";
80         memory-region = <&emc_table>;
81         nvidia,memory-controller = <&mc>;