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authorMarek Vasut2022-12-11 03:48:59 +0100
committerRob Herring2022-12-16 11:41:49 -0600
commit1a2cead15bcfac872c15457ef50ffbbe5ff641bc (patch)
treeab26395793740674de4d8d824a9f2b7bab1ddb31 /Documentation
parent8b8161edf14acab716c01d03bafc8a3e8113a43a (diff)
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.yaml35
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: