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112 lines
3.3 KiB
Diff
112 lines
3.3 KiB
Diff
From abe02ae2854e6679bf9b46ade3b6c6ddc379050f Mon Sep 17 00:00:00 2001
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From: Hector Martin <marcan@marcan.st>
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Date: Mon, 2 May 2022 21:17:41 +0900
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Subject: [PATCH 161/171] dt-bindings: pci: apple,pcie: Add subnode binding,
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pwren-gpios property
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We weren't properly validating root port subnodes, so let's do that. Then,
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also add the new `pwren-gpios` property there to handle device power-up.
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Signed-off-by: Hector Martin <marcan@marcan.st>
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---
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.../devicetree/bindings/pci/apple,pcie.yaml | 51 +++++++++++++++++--
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1 file changed, 48 insertions(+), 3 deletions(-)
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diff --git a/Documentation/devicetree/bindings/pci/apple,pcie.yaml b/Documentation/devicetree/bindings/pci/apple,pcie.yaml
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index aa38680aaaca..156f1777fc96 100644
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--- a/Documentation/devicetree/bindings/pci/apple,pcie.yaml
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+++ b/Documentation/devicetree/bindings/pci/apple,pcie.yaml
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@@ -71,6 +71,27 @@ properties:
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power-domains:
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maxItems: 1
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+patternProperties:
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+ "^pci@":
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+ $ref: /schemas/pci/pci-bus.yaml#
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+ type: object
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+ description: A single PCI root port
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+
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+ properties:
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+ reg:
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+ maxItems: 1
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+
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+ pwren-gpios:
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+ description: Optional GPIO to power on the device
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+ maxItems: 1
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+
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+ required:
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+ - reset-gpios
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+ - interrupt-controller
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+ - "#interrupt-cells"
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+ - interrupt-map-mask
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+ - interrupt-map
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+
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required:
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- compatible
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- reg
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@@ -141,7 +162,7 @@ examples:
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pinctrl-0 = <&pcie_pins>;
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pinctrl-names = "default";
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- pci@0,0 {
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+ port00: pci@0,0 {
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device_type = "pci";
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reg = <0x0 0x0 0x0 0x0 0x0>;
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reset-gpios = <&pinctrl_ap 152 0>;
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@@ -149,9 +170,17 @@ examples:
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#address-cells = <3>;
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#size-cells = <2>;
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ranges;
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+
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+ interrupt-controller;
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+ #interrupt-cells = <1>;
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+ interrupt-map-mask = <0 0 0 7>;
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+ interrupt-map = <0 0 0 1 &port00 0 0 0 0>,
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+ <0 0 0 2 &port00 0 0 0 1>,
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+ <0 0 0 3 &port00 0 0 0 2>,
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+ <0 0 0 4 &port00 0 0 0 3>;
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};
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- pci@1,0 {
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+ port01: pci@1,0 {
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device_type = "pci";
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reg = <0x800 0x0 0x0 0x0 0x0>;
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reset-gpios = <&pinctrl_ap 153 0>;
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@@ -159,9 +188,17 @@ examples:
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#address-cells = <3>;
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#size-cells = <2>;
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ranges;
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+
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+ interrupt-controller;
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+ #interrupt-cells = <1>;
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+ interrupt-map-mask = <0 0 0 7>;
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+ interrupt-map = <0 0 0 1 &port01 0 0 0 0>,
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+ <0 0 0 2 &port01 0 0 0 1>,
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+ <0 0 0 3 &port01 0 0 0 2>,
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+ <0 0 0 4 &port01 0 0 0 3>;
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};
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- pci@2,0 {
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+ port02: pci@2,0 {
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device_type = "pci";
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reg = <0x1000 0x0 0x0 0x0 0x0>;
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reset-gpios = <&pinctrl_ap 33 0>;
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@@ -169,6 +206,14 @@ examples:
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#address-cells = <3>;
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#size-cells = <2>;
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ranges;
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+
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+ interrupt-controller;
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+ #interrupt-cells = <1>;
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+ interrupt-map-mask = <0 0 0 7>;
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+ interrupt-map = <0 0 0 1 &port02 0 0 0 0>,
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+ <0 0 0 2 &port02 0 0 0 1>,
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+ <0 0 0 3 &port02 0 0 0 2>,
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+ <0 0 0 4 &port02 0 0 0 3>;
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};
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};
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};
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--
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2.34.1
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