Convert the original Host1x bindings to YAML and add new bindings for NVDEC, now in a more appropriate location. The old text bindings for Host1x and engines are still kept at display/tegra/ since they encompass a lot more engines that haven't been converted over yet. Signed-off-by: Mikko Perttunen <mperttunen@xxxxxxxxxx> --- v2: * Fix issues pointed out in v1 * Add T194 nvidia,instance property --- .../gpu/host1x/nvidia,tegra20-host1x.yaml | 131 ++++++++++++++++++ .../gpu/host1x/nvidia,tegra210-nvdec.yaml | 109 +++++++++++++++ MAINTAINERS | 1 + 3 files changed, 241 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra20-host1x.yaml create mode 100644 Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra210-nvdec.yaml diff --git a/Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra20-host1x.yaml b/Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra20-host1x.yaml new file mode 100644 index 000000000000..5344524c26d1 --- /dev/null +++ b/Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra20-host1x.yaml @@ -0,0 +1,131 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/gpu/host1x/nvidia,tegra20-host1x.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: Device tree binding for NVIDIA Host1x + +maintainers: + - Thierry Reding <treding@xxxxxxxxx> + - Mikko Perttunen <mperttunen@xxxxxxxxxx> + +properties: + $nodename: + pattern: "^host1x@[0-9a-f]*$" + + compatible: + oneOf: + - enum: + - nvidia,tegra20-host1x + - nvidia,tegra30-host1x + - nvidia,tegra114-host1x + - nvidia,tegra124-host1x + - nvidia,tegra210-host1x + - items: + - const: nvidia,tegra132-host1x + - const: nvidia,tegra124-host1x + + interrupts: + items: + - description: Syncpoint threshold interrupt + - description: General interrupt + + interrupt-names: + items: + - const: syncpt + - const: host1x + + clocks: + maxItems: 1 + + clock-names: + items: + - const: host1x + + resets: + maxItems: 1 + + reset-names: + items: + - const: host1x + + iommus: + maxItems: 1 + + interconnects: + maxItems: 1 + + interconnect-names: + items: + - const: dma-mem + + '#address-cells': + const: 1 + + '#size-cells': + const: 1 + + ranges: true + +required: + - compatible + - interrupts + - interrupt-names + - clocks + - clock-names + - resets + - reset-names + - '#address-cells' + - '#size-cells' + - ranges + +if: + properties: + compatible: + enum: + - nvidia,tegra186-host1x + - nvidia,tegra194-host1x +then: + properties: + reg: + items: + - description: Hypervisor-accessible register area + - description: VM-accessible register area + reg-names: + items: + - const: hypervisor + - const: vm + required: + - reg + - reg-names +else: + properties: + reg: + maxItems: 1 + required: + - reg + +additionalProperties: true + +examples: + - | + #include <dt-bindings/clock/tegra20-car.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + host1x@50000000 { + compatible = "nvidia,tegra20-host1x"; + reg = <0x50000000 0x00024000>; + interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>, /* syncpt */ + <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>; /* general */ + interrupt-names = "syncpt", "host1x"; + clocks = <&tegra_car TEGRA20_CLK_HOST1X>; + clock-names = "host1x"; + resets = <&tegra_car 28>; + reset-names = "host1x"; + + #address-cells = <1>; + #size-cells = <1>; + + ranges = <0x54000000 0x54000000 0x04000000>; + }; diff --git a/Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra210-nvdec.yaml b/Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra210-nvdec.yaml new file mode 100644 index 000000000000..fc535bb7aee0 --- /dev/null +++ b/Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra210-nvdec.yaml @@ -0,0 +1,109 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/gpu/host1x/nvidia,tegra210-nvdec.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: Device tree binding for NVIDIA Tegra NVDEC + +description: | + NVDEC is the hardware video decoder present on NVIDIA Tegra210 + and newer chips. It is located on the Host1x bus and typically + programmed through Host1x channels. + +maintainers: + - Thierry Reding <treding@xxxxxxxxx> + - Mikko Perttunen <mperttunen@xxxxxxxxxx> + +properties: + $nodename: + pattern: "^nvdec@[0-9a-f]*$" + + compatible: + enum: + - nvidia,tegra210-nvdec + - nvidia,tegra186-nvdec + - nvidia,tegra194-nvdec + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: nvdec + + resets: + maxItems: 1 + + reset-names: + items: + - const: nvdec + + power-domains: + maxItems: 1 + + iommus: + maxItems: 1 + + interconnects: + items: + - description: DMA read memory client + - description: DMA read 2 memory client + - description: DMA write memory client + + interconnect-names: + items: + - const: dma-mem + - const: read2 + - const: write + +required: + - compatible + - reg + - clocks + - clock-names + - resets + - reset-names + - power-domains + +if: + properties: + compatible: + contains: + const: nvidia,tegra194-host1x +then: + properties: + nvidia,instance: + items: + - description: 0 for NVDEC0, or 1 for NVDEC1 + +additionalProperties: true + +examples: + - | + #include <dt-bindings/clock/tegra186-clock.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/memory/tegra186-mc.h> + #include <dt-bindings/power/tegra186-powergate.h> + #include <dt-bindings/reset/tegra186-reset.h> + + nvdec@15480000 { + compatible = "nvidia,tegra186-nvdec"; + reg = <0x15480000 0x40000>; + clocks = <&bpmp TEGRA186_CLK_NVDEC>; + clock-names = "nvdec"; + resets = <&bpmp TEGRA186_RESET_NVDEC>; + reset-names = "nvdec"; + + power-domains = <&bpmp TEGRA186_POWER_DOMAIN_NVDEC>; + interconnects = <&mc TEGRA186_MEMORY_CLIENT_NVDECSRD &emc>, + <&mc TEGRA186_MEMORY_CLIENT_NVDECSRD1 &emc>, + <&mc TEGRA186_MEMORY_CLIENT_NVDECSWR &emc>; + interconnect-names = "dma-mem", "read2", "write"; + iommus = <&smmu TEGRA186_SID_NVDEC>; + }; + + diff --git a/MAINTAINERS b/MAINTAINERS index 69932194e1ba..ce9e360639d5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -6230,6 +6230,7 @@ L: linux-tegra@xxxxxxxxxxxxxxx S: Supported T: git git://anongit.freedesktop.org/tegra/linux.git F: Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt +F: Documentation/devicetree/bindings/gpu/host1x/ F: drivers/gpu/drm/tegra/ F: drivers/gpu/host1x/ F: include/linux/host1x.h -- 2.32.0
