From: Akhil R <akhilrajeev@nvidia.com>
To: <rgumasta@nvidia.com>
Cc: <dan.j.williams@intel.com>, <dmaengine@vger.kernel.org>,
<jonathanh@nvidia.com>, <kyarlagadda@nvidia.com>,
<ldewangan@nvidia.com>, <linux-kernel@vger.kernel.org>,
<linux-tegra@vger.kernel.org>, <p.zabel@pengutronix.de>,
<thierry.reding@gmail.com>, <vkoul@kernel.org>,
Akhil R <akhilrajeev@nvidia.com>
Subject: [PATCH v3 1/4] dt-bindings: dmaengine: Add doc for tegra gpcdma
Date: Fri, 27 Aug 2021 11:34:51 +0530 [thread overview]
Message-ID: <1630044294-21169-2-git-send-email-akhilrajeev@nvidia.com> (raw)
In-Reply-To: <1630044294-21169-1-git-send-email-akhilrajeev@nvidia.com>
Add DT binding document for Nvidia Tegra GPCDMA controller.
Signed-off-by: Rajesh Gumasta <rgumasta@nvidia.com>
Signed-off-by: Akhil R <akhilrajeev@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:[~2021-08-27 6:05 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-06 7:30 [Patch v2 0/4] Add Nvidia Tegra GPC-DMA driver Rajesh Gumasta
2020-08-06 7:30 ` [Patch v2 1/4] dt-bindings: dma: Add DT binding document Rajesh Gumasta
2020-08-06 7:30 ` [Patch v2 2/4] dmaengine: tegra: Add Tegra GPC DMA driver Rajesh Gumasta
2020-08-06 13:46 ` Dmitry Osipenko
2020-08-06 13:56 ` Rajesh Gumasta
2020-08-06 14:22 ` Dmitry Osipenko
2020-08-06 14:49 ` Dmitry Osipenko
2020-08-06 15:02 ` Dmitry Osipenko
2020-08-07 16:03 ` Jon Hunter
2020-08-07 16:23 ` Jon Hunter
2020-08-06 7:30 ` [Patch v2 3/4] arm64: configs: enable tegra gpc dma Rajesh Gumasta
2020-08-06 7:30 ` [Patch v2 4/4] arm64: tegra: Add GPCDMA node in dt Rajesh Gumasta
2020-08-07 16:26 ` Jon Hunter
2021-01-14 10:11 ` [Patch v2 0/4] Add Nvidia Tegra GPC-DMA driver Jon Hunter
2021-01-15 5:56 ` Vinod Koul
2021-01-15 13:21 ` Jon Hunter
2021-01-15 13:42 ` Rajesh Gumasta
2021-08-27 6:04 ` [PATCH v3 " Akhil R
2021-08-27 6:04 ` Akhil R [this message]
2021-09-02 10:42 ` [PATCH v3 1/4] dt-bindings: dmaengine: Add doc for tegra gpcdma Jon Hunter
2021-08-27 6:04 ` [PATCH v3 2/4] dmaengine: tegra: Add tegra gpcdma driver Akhil R
2021-08-27 17:23 ` kernel test robot
2021-08-28 11:29 ` kernel test robot
2021-09-01 20:56 ` Jon Hunter
2021-09-02 10:57 ` Jon Hunter
2021-09-02 10:17 ` Jon Hunter
2021-08-27 6:04 ` [PATCH v3 3/4] arm64: defconfig: tegra: Enable GPCDMA Akhil R
2021-09-02 11:35 ` Jon Hunter
2021-08-27 6:04 ` [PATCH v3 4/4] arm64: tegra: Add GPCDMA node for tegra186 and tegra194 Akhil R
2021-09-02 10:36 ` Jon Hunter
2021-09-08 14:32 ` [PATCH v4 0/4] Add Nvidia Tegra GPC-DMA driver Akhil R
2021-09-08 14:32 ` [PATCH v4 1/4] dt-bindings: dmaengine: Add doc for tegra gpcdma Akhil R
2021-09-08 16:44 ` Jon Hunter
2021-09-15 8:08 ` Akhil R
2021-09-08 14:32 ` [PATCH v4 2/4] dmaengine: tegra: Add tegra gpcdma driver Akhil R
2021-09-08 14:32 ` [PATCH v4 3/4] arm64: defconfig: tegra: Enable GPCDMA Akhil R
2021-09-08 14:32 ` [PATCH v4 4/4] arm64: tegra: Add GPCDMA node for tegra186 and tegra194 Akhil R
2021-09-08 16:45 ` Jon Hunter
2021-09-08 16:44 ` [PATCH v4 0/4] Add Nvidia Tegra GPC-DMA driver Jon Hunter
2021-09-13 4:08 ` Akhil R
2021-09-16 12:18 ` [PATCH v5 " Akhil R
2021-09-16 12:18 ` [PATCH v5 1/4] dt-bindings: dmaengine: Add doc for tegra gpcdma Akhil R
2021-09-16 14:30 ` Jon Hunter
2021-09-16 12:18 ` [PATCH v5 2/4] dmaengine: tegra: Add tegra gpcdma driver Akhil R
2021-09-16 12:18 ` [PATCH v5 3/4] arm64: defconfig: tegra: Enable GPCDMA Akhil R
2021-09-16 12:18 ` [PATCH v5 4/4] arm64: tegra: Add GPCDMA node for tegra186 and tegra194 Akhil R
2021-09-16 14:33 ` Jon Hunter
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