Linus Torvalds b00ed48bb0 dmaengine updates for v5.19-rc1
New support:
  - Tegra gpcdma Driver support
  - Qualcomm SM8350, Sm8450 and SC7280 Device support
  - Renesas RZN1 dma and platform support
 
  Updates:
  - stm32 device pause/resume support and updates
  - DMA memset ops Documentation and usage clarification
  - Deprecate '#dma-channels' & '#dma-requests' bindings
  - Driver updates for stm32, ptdma idsx etc
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Merge tag 'dmaengine-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "Nothing special, this includes a couple of new device support and new
  driver support and bunch of driver updates.

  New support:

   - Tegra gpcdma driver support

   - Qualcomm SM8350, Sm8450 and SC7280 device support

   - Renesas RZN1 dma and platform support

  Updates:

   - stm32 device pause/resume support and updates

   - DMA memset ops Documentation and usage clarification

   - deprecate '#dma-channels' & '#dma-requests' bindings

   - driver updates for stm32, ptdma idsx etc"

* tag 'dmaengine-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (87 commits)
  dmaengine: idxd: make idxd_wq_enable() return 0 if wq is already enabled
  dmaengine: sun6i: Add support for the D1 variant
  dmaengine: sun6i: Add support for 34-bit physical addresses
  dmaengine: sun6i: Do not use virt_to_phys
  dt-bindings: dma: sun50i-a64: Add compatible for D1
  dmaengine: tegra: Remove unused switch case
  dmaengine: tegra: Fix uninitialized variable usage
  dmaengine: stm32-dma: add device_pause/device_resume support
  dmaengine: stm32-dma: rename pm ops before dma pause/resume introduction
  dmaengine: stm32-dma: pass DMA_SxSCR value to stm32_dma_handle_chan_done()
  dmaengine: stm32-dma: introduce stm32_dma_sg_inc to manage chan->next_sg
  dmaengine: stm32-dmamux: avoid reset of dmamux if used by coprocessor
  dmaengine: qcom: gpi: Add support for sc7280
  dt-bindings: dma: pl330: Add power-domains
  dmaengine: stm32-mdma: use dev_dbg on non-busy channel spurious it
  dmaengine: stm32-mdma: fix chan initialization in stm32_mdma_irq_handler()
  dmaengine: stm32-mdma: remove GISR1 register
  dmaengine: ti: deprecate '#dma-channels'
  dmaengine: mmp: deprecate '#dma-channels'
  dmaengine: pxa: deprecate '#dma-channels' and '#dma-requests'
  ...
2022-05-29 11:38:27 -07:00

95 lines
2.6 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/dma/qcom,gpi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Technologies Inc GPI DMA controller
maintainers:
- Vinod Koul <vkoul@kernel.org>
description: |
QCOM GPI DMA controller provides DMA capabilities for
peripheral buses such as I2C, UART, and SPI.
allOf:
- $ref: "dma-controller.yaml#"
properties:
compatible:
enum:
- qcom,sc7280-gpi-dma
- qcom,sdm845-gpi-dma
- qcom,sm8150-gpi-dma
- qcom,sm8250-gpi-dma
- qcom,sm8350-gpi-dma
- qcom,sm8450-gpi-dma
reg:
maxItems: 1
interrupts:
description:
Interrupt lines for each GPI instance
minItems: 1
maxItems: 13
"#dma-cells":
const: 3
description: >
DMA clients must use the format described in dma.txt, giving a phandle
to the DMA controller plus the following 3 integer cells:
- channel: if set to 0xffffffff, any available channel will be allocated
for the client. Otherwise, the exact channel specified will be used.
- seid: serial id of the client as defined in the SoC documentation.
- client: type of the client as defined in dt-bindings/dma/qcom-gpi.h
iommus:
maxItems: 1
dma-channels:
maximum: 31
dma-channel-mask:
maxItems: 1
required:
- compatible
- reg
- interrupts
- "#dma-cells"
- iommus
- dma-channels
- dma-channel-mask
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/dma/qcom-gpi.h>
gpi_dma0: dma-controller@800000 {
compatible = "qcom,sdm845-gpi-dma";
#dma-cells = <3>;
reg = <0x00800000 0x60000>;
iommus = <&apps_smmu 0x0016 0x0>;
dma-channels = <13>;
dma-channel-mask = <0xfa>;
interrupts = <GIC_SPI 244 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 246 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 247 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 248 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 249 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 250 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 251 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 252 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 253 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 254 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 255 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>;
};
...