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authorArnd Bergmann <[email protected]>2021-10-11 21:55:07 +0200
committerArnd Bergmann <[email protected]>2021-10-11 21:55:08 +0200
commitcda490402d51dcdb4b35d873b268b432467b7b09 (patch)
tree46b4b24a248ec52509f0e982540f1cc0376df7ba
parent23410de5796cd49abb3f9b6d377822e18298e0a0 (diff)
parent354754f559507e0dba014aa830c70e73e7d52f98 (diff)
Merge tag 'tegra-for-5.16-dt-bindings' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/dt
dt-bindings: Changes for v5.16-rc1 This contains the DT bindings for the NVDEC hardware video decoder found on Tegra210 and later chips as well as a node name fix for the examples in the Tegra194 PCIe controller (endpoint mode) DT bindings. * tag 'tegra-for-5.16-dt-bindings' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: dt-bindings: PCI: tegra194: Fix PCIe endpoint node names dt-bindings: Add YAML bindings for NVDEC Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Arnd Bergmann <[email protected]>
-rw-r--r--Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra210-nvdec.yaml106
-rw-r--r--Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt2
-rw-r--r--MAINTAINERS1
3 files changed, 108 insertions, 1 deletions
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..3cf862976448
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra210-nvdec.yaml
@@ -0,0 +1,106 @@
+# 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 <[email protected]>
+ - Mikko Perttunen <[email protected]>
+
+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
+
+ dma-coherent: true
+
+ 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: read-1
+ - const: write
+
+ nvidia,host1x-class:
+ description: |
+ Host1x class of the engine, used to specify the targeted engine
+ when programming the engine through Host1x channels or when
+ configuring engine-specific behavior in Host1x.
+ default: 0xf0
+ $ref: /schemas/types.yaml#/definitions/uint32
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - resets
+ - reset-names
+ - power-domains
+
+additionalProperties: false
+
+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", "read-1", "write";
+ iommus = <&smmu TEGRA186_SID_NVDEC>;
+ };
diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt
index 6a99d2aa8075..8e4f9bfb316d 100644
--- a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt
@@ -197,7 +197,7 @@ Tegra194 RC mode:
Tegra194 EP mode:
-----------------
- pcie_ep@141a0000 {
+ pcie-ep@141a0000 {
compatible = "nvidia,tegra194-pcie-ep", "snps,dw-pcie-ep";
power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX8A>;
reg = <0x00 0x141a0000 0x0 0x00020000 /* appl registers (128K) */
diff --git a/MAINTAINERS b/MAINTAINERS
index 5b33791bb8e9..2550bbf7c217 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6285,6 +6285,7 @@ L: [email protected]
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