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| author |  Marek Vasut <marex@denx.de>
| 2022-12-11 03:48:59 +0100 |
|---|---|---|
| committer |  Rob Herring <robh@kernel.org>
| 2022-12-16 11:41:49 -0600 |
| commit | 1a2cead15bcfac872c15457ef50ffbbe5ff641bc (patch) | |
| tree | ab26395793740674de4d8d824a9f2b7bab1ddb31 /Documentation | |
| parent | dt-bindings: imx6q-pcie: Handle various PD configurations (diff) | |
| download | linux-1a2cead15bcfac872c15457ef50ffbbe5ff641bc.tar.gz linux-1a2cead15bcfac872c15457ef50ffbbe5ff641bc.tar.bz2 linux-1a2cead15bcfac872c15457ef50ffbbe5ff641bc.zip | |
dt-bindings: imx6q-pcie: Handle more resets on legacy platforms
The i.MX6 and i.MX7D does not use block controller to toggle PCIe
reset, hence the PCIe DT description contains three reset entries
on these older SoCs. Add this exception into the binding document.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://lore.kernel.org/r/20221211024859.672076-3-marex@denx.de
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml index f2e9404d33f8..bad980902f66 100644 --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml @@ -84,15 +84,14 @@ properties: - const: pcie_phy resets: + minItems: 2 maxItems: 3 description: Phandles to PCIe-related reset lines exposed by SRC IP block. Additional required by imx7d-pcie and imx8mq-pcie. reset-names: - items: - - const: pciephy - - const: apps - - const: turnoff + minItems: 2 + maxItems: 3 fsl,tx-deemph-gen1: description: Gen1 De-emphasis value (optional required). @@ -276,6 +275,34 @@ allOf: maxItems: 1 power-domain-names: false + - if: + properties: + compatible: + contains: + enum: + - fsl,imx6q-pcie + - fsl,imx6sx-pcie + - fsl,imx6qp-pcie + - fsl,imx7d-pcie + - fsl,imx8mq-pcie + then: + properties: + resets: + minItems: 3 + reset-names: + items: + - const: pciephy + - const: apps + - const: turnoff + else: + properties: + resets: + maxItems: 2 + reset-names: + items: + - const: apps + - const: turnoff + unevaluatedProperties: false examples: |