| Message ID | 20220506111217.8833-4-sumitg@nvidia.com |
|---|---|
| State | Changes Requested |
| Headers | show |
| Series | CBB driver for Tegra194, Tegra234 & Tegra-Grace | expand |
On Fri, 06 May 2022 16:42:11 +0530, Sumit Gupta wrote: > Add device-tree binding documentation to represent the axi2apb bridges > used by Control Backbone (CBB) 1.0 in Tegra194 SOC. All errors for APB > slaves are reported as slave error because APB bas single bit to report > error. So, CBB driver needs to further check error status registers of > all the axi2apb bridges to find error type. > > Signed-off-by: Sumit Gupta <sumitg@nvidia.com> > Signed-off-by: Thierry Reding <treding@nvidia.com> > --- > .../arm/tegra/nvidia,tegra194-axi2apb.yaml | 40 +++++++++++++++++++ > 1 file changed, 40 insertions(+) > create mode 100644 Documentation/devicetree/bindings/arm/tegra/nvidia,tegra194-axi2apb.yaml > Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra194-axi2apb.yaml b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra194-axi2apb.yaml new file mode 100644 index 000000000000..788a13f8aa93 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra194-axi2apb.yaml @@ -0,0 +1,40 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/arm/tegra/nvidia,tegra194-axi2apb.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: NVIDIA Tegra194 AXI2APB bridge + +maintainers: + - Sumit Gupta <sumitg@nvidia.com> + +properties: + $nodename: + pattern: "^axi2apb@([0-9a-f]+)$" + + compatible: + enum: + - nvidia,tegra194-axi2apb + + reg: + maxItems: 6 + description: Physical base address and length of registers for all bridges + +additionalProperties: false + +required: + - compatible + - reg + +examples: + - | + axi2apb: axi2apb@2390000 { + compatible = "nvidia,tegra194-axi2apb"; + reg = <0x02390000 0x1000>, + <0x023a0000 0x1000>, + <0x023b0000 0x1000>, + <0x023c0000 0x1000>, + <0x023d0000 0x1000>, + <0x023e0000 0x1000>; + };