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| author |  Vidya Sagar <vidyas@nvidia.com>
| 2022-11-14 15:53:32 +0000 |
|---|---|---|
| committer |  Thierry Reding <treding@nvidia.com>
| 2022-11-21 13:27:29 +0100 |
| commit | 5c3741492d2e7b2d533179a731bcc1a1061649f5 (patch) | |
| tree | ec70489dbea1953b541e063be60c793305c01110 /Documentation/devicetree/bindings/pci | |
| parent | dt-bindings: pwm: tegra: Document Tegra234 PWM (diff) | |
| download | linux-5c3741492d2e7b2d533179a731bcc1a1061649f5.tar.gz linux-5c3741492d2e7b2d533179a731bcc1a1061649f5.tar.bz2 linux-5c3741492d2e7b2d533179a731bcc1a1061649f5.zip | |
dt-bindings: PCI: tegra234: Add ECAM support
Add support for ECAM aperture that is only supported for Tegra234
devices.
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Co-developed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'Documentation/devicetree/bindings/pci')
| -rw-r--r-- | Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml | 34 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml | 2 |
2 files changed, 33 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml index 75da3e8eecb9..fe81d52c7277 100644 --- a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml @@ -27,6 +27,7 @@ properties: - nvidia,tegra234-pcie reg: + minItems: 4 items: - description: controller's application logic registers - description: configuration registers @@ -35,13 +36,16 @@ properties: available for software access. - description: aperture where the Root Port's own configuration registers are available. + - description: aperture to access the configuration space through ECAM. reg-names: + minItems: 4 items: - const: appl - const: config - const: atu_dma - const: dbi + - const: ecam interrupts: items: @@ -202,6 +206,31 @@ properties: allOf: - $ref: /schemas/pci/snps,dw-pcie.yaml# + - if: + properties: + compatible: + contains: + enum: + - nvidia,tegra194-pcie + then: + properties: + reg: + maxItems: 4 + reg-names: + maxItems: 4 + + - if: + properties: + compatible: + contains: + enum: + - nvidia,tegra234-pcie + then: + properties: + reg: + minItems: 5 + reg-names: + minItems: 5 unevaluatedProperties: false @@ -305,8 +334,9 @@ examples: reg = <0x00 0x14160000 0x0 0x00020000>, /* appl registers (128K) */ <0x00 0x36000000 0x0 0x00040000>, /* configuration space (256K) */ <0x00 0x36040000 0x0 0x00040000>, /* iATU_DMA reg space (256K) */ - <0x00 0x36080000 0x0 0x00040000>; /* DBI reg space (256K) */ - reg-names = "appl", "config", "atu_dma", "dbi"; + <0x00 0x36080000 0x0 0x00040000>, /* DBI reg space (256K) */ + <0x24 0x30000000 0x0 0x10000000>; /* ECAM (256MB) */ + reg-names = "appl", "config", "atu_dma", "dbi", "ecam"; #address-cells = <3>; #size-cells = <2>; diff --git a/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml b/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml index 7287d395e1b6..7e0b015f1414 100644 --- a/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml @@ -35,7 +35,7 @@ properties: maxItems: 5 items: enum: [ dbi, dbi2, config, atu, atu_dma, app, appl, elbi, mgmt, ctrl, - parf, cfg, link, ulreg, smu, mpu, apb, phy ] + parf, cfg, link, ulreg, smu, mpu, apb, phy, ecam ] num-lanes: description: | |