[PATCH 2/2] dt-bindings: PCI: kirin: fix HiKey970 example

From: Mauro Carvalho Chehab
Date: Thu Aug 12 2021 - 03:56:07 EST


The given example doesn't produce all of_nodes at sysfs.
Update it to reflect what's actually working.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
---
.../bindings/pci/hisilicon,kirin-pcie.yaml | 64 +++++++++++--------
1 file changed, 36 insertions(+), 28 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml b/Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml
index d05deebe9dbb..668a09e27139 100644
--- a/Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml
@@ -97,7 +97,6 @@ examples:
<0x0 0xfc180000 0x0 0x1000>,
<0x0 0xf5000000 0x0 0x2000>;
reg-names = "dbi", "apb", "config";
- msi-parent = <&its_pcie>;
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
@@ -116,43 +115,52 @@ examples:
<0x0 0 0 4 &gic GIC_SPI 285 IRQ_TYPE_LEVEL_HIGH>;
reset-gpios = <&gpio7 0 0>;
hisilicon,clken-gpios = <&gpio27 3 0>, <&gpio17 0 0>, <&gpio20 6 0>;
-
- pcie@0 { // Lane 0: PCIe switch: Bus 1, Device 0
- reg = <0 0 0 0 0>;
+ pcie@0,0 { // Lane 0: PCIe switch: Bus 1, Device 0
+ reg = <0x80 0 0 0 0>;
compatible = "pciclass,0604";
device_type = "pci";
#address-cells = <3>;
#size-cells = <2>;
ranges;
- pcie@1,0 { // Lane 4: M.2
- reg = <0x800 0 0 0 0>;
+ msi-parent = <&its_pcie>;
+
+ pcie@0,0 { // Lane 0: upstream
+ reg = <0 0 0 0 0>;
compatible = "pciclass,0604";
device_type = "pci";
- reset-gpios = <&gpio3 1 0>;
- clkreq-gpios = <&gpio27 3 0 >;
- #address-cells = <3>;
- #size-cells = <2>;
- ranges;
- };
- pcie@5,0 { // Lane 5: Mini PCIe
- reg = <0x2800 0 0 0 0>;
- compatible = "pciclass,0604";
- device_type = "pci";
- reset-gpios = <&gpio27 4 0 >;
- clkreq-gpios = <&gpio17 0 0 >;
- #address-cells = <3>;
- #size-cells = <2>;
- ranges;
- };
- pcie@7,0 { // Lane 6: Ethernet
- reg = <0x3800 0 0 0 0>;
- compatible = "pciclass,0604";
- device_type = "pci";
- reset-gpios = <&gpio25 2 0 >;
- clkreq-gpios = <&gpio20 6 0 >;
#address-cells = <3>;
#size-cells = <2>;
ranges;
+
+ pcie@1,0 { // Lane 4: M.2
+ reg = <0x0800 0 0 0 0>;
+ compatible = "pciclass,0604";
+ device_type = "pci";
+ reset-gpios = <&gpio3 1 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges;
+ };
+
+ pcie@5,0 { // Lane 5: Mini PCIe
+ reg = <0x2800 0 0 0 0>;
+ compatible = "pciclass,0604";
+ device_type = "pci";
+ reset-gpios = <&gpio27 4 0 >;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges;
+ };
+
+ pcie@7,0 { // Lane 6: Ethernet
+ reg = <0x03800 0 0 0 0>;
+ compatible = "pciclass,0604";
+ device_type = "pci";
+ reset-gpios = <&gpio25 2 0 >;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges;
+ };
};
};
};
--
2.31.1