From: Rajesh Gumasta <rgumasta@nvidia.com>
To: ldewangan@nvidia.com, jonathanh@nvidia.com, vkoul@kernel.org,
dan.j.williams@intel.com, thierry.reding@gmail.com,
p.zabel@pengutronix.de, dmaengine@vger.kernel.org,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: kyarlagadda@nvidia.com, rgumasta@nvidia.com
Subject: [Patch v1 1/4] dt-bindings: dma: Add DT binding document
Date: Mon, 20 Jul 2020 12:04:13 +0530 [thread overview]
Message-ID: <1595226856-19241-2-git-send-email-rgumasta@nvidia.com> (raw)
In-Reply-To: <1595226856-19241-1-git-send-email-rgumasta@nvidia.com>
Add DT binding document for Nvidia Tegra GPCDMA controller.
Signed-off-by: Rajesh Gumasta <rgumasta@nvidia.com>
---
.../bindings/dma/nvidia,tegra-gpc-dma.yaml | 99 ++++++++++++++++++++++
1 file changed, 99 insertions(+)
create mode 100644 Documentation/devicetree/bindings/dma/nvidia,tegra-gpc-dma.yaml
diff --git a/Documentation/devicetree/bindings/dma/nvidia,tegra-gpc-dma.yaml b/Documentation/devicetree/bindings/dma/nvidia,tegra-gpc-dma.yaml
new file mode 100644
index 0000000..39827ab
--- /dev/null
+++ b/Documentation/devicetree/bindings/dma/nvidia,tegra-gpc-dma.yaml
@@ -0,0 +1,99 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/dma/nvidia,tegra-gpc-dma.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nvidia Tegra GPC DMA Controller Device Tree Bindings
+
+description: |
+ Tegra GPC DMA controller is a general purpose dma used for faster data
+ transfers between memory to memory, memory to device and device to memory.
+ Terms 'dma' and 'gpcdma' can be used interchangeably.
+
+maintainers:
+ - Jon Hunter <jonathanh@nvidia.com>
+ - Rajesh Gumasta <rgumasta@nvidia.com>
+
+allOf:
+ - $ref: "dma-controller.yaml#"
+
+properties:
+ "#dma-cells":
+ const: 1
+
+ compatible:
+ - enum:
+ - nvidia,tegra186-gpcdma
+ - nvidia,tegra194-gpcdma
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+ reset-names:
+ const: gpcdma
+
+ iommus:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - resets
+ - reset-names
+ - "#dma-cells"
+ - iommus
+
+examples:
+ - |
+ gpcdma: dma@2600000 {
+ compatible = "nvidia,tegra186-gpcdma";
+ reg = <0x0 0x2600000 0x0 0x210000>;
+ resets = <&bpmp TEGRA186_RESET_GPCDMA>;
+ reset-names = "gpcdma";
+ interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;
+ #dma-cells = <1>;
+ iommus = <&smmu TEGRA_SID_GPCDMA_0>;
+ dma-coherent;
+ };
+
+...
--
2.7.4
next prev parent reply other threads:[~2020-07-20 6:34 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-20 6:34 [Patch v1 0/4] Add Nvidia Tegra GPC-DMA driver Rajesh Gumasta
2020-07-20 6:34 ` Rajesh Gumasta [this message]
2020-07-20 6:34 ` [Patch v1 2/4] dma: tegra: Adding Tegra GPC DMA controller driver Rajesh Gumasta
[not found] ` <1595226856-19241-3-git-send-email-rgumasta-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2020-07-20 9:37 ` Philipp Zabel
2020-07-20 11:58 ` kernel test robot
2020-07-20 15:12 ` Dmitry Osipenko
2020-07-20 15:42 ` Randy Dunlap
2020-07-27 9:07 ` Vinod Koul
[not found] ` <1595226856-19241-1-git-send-email-rgumasta-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2020-07-20 6:34 ` [Patch v1 3/4] arm64: configs: enable tegra gpc dma Rajesh Gumasta
2020-07-20 6:34 ` [Patch v1 4/4] arm64: tegra: Add GPCDMA node in dt Rajesh Gumasta
2020-07-20 9:25 ` [Patch v1 0/4] Add Nvidia Tegra GPC-DMA driver Thierry Reding
2020-07-20 10:00 ` Rajesh Gumasta
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