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Date: Thu, 29 Jul 2021 13:56:26 +0200
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Rob Herring <robh@...nel.org>
Cc: linuxarm@...wei.com, mauro.chehab@...wei.com,
Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
Binghui Wang <wangbinghui@...ilicon.com>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Rob Herring <robh+dt@...nel.org>,
Xiaowei Song <songxiaowei@...ilicon.com>,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-pci@...r.kernel.org
Subject: [PATCH 3/5] dt-bindings: PCI: kirin: Add support for Kirin970
Add a new compatible, plus the new bindings needed by
HiKey970 board.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
.../bindings/pci/hisilicon,kirin-pcie.yaml | 61 ++++++++++++++++++-
1 file changed, 60 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml b/Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml
index 90cab09e8d4b..bb0c3a081d68 100644
--- a/Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml
@@ -24,11 +24,13 @@ properties:
contains:
enum:
- hisilicon,kirin960-pcie
+ - hisilicon,kirin970-pcie
reg:
description: |
Should contain dbi, apb, config registers location and length.
- For HiKey960, it should also contain phy.
+ For HiKey960, it should also contain phy. All other devices
+ should use a separate phy driver.
minItems: 3
maxItems: 4
@@ -47,6 +49,7 @@ examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/hi3660-clock.h>
+ #include <dt-bindings/clock/hi3670-clock.h>
soc {
#address-cells = <2>;
@@ -83,4 +86,60 @@ examples:
clock-names = "pcie_phy_ref", "pcie_aux", "pcie_apb_phy",
"pcie_apb_sys", "pcie_aclk";
};
+
+ pcie@...00000 {
+ compatible = "hisilicon,kirin970-pcie";
+ reg = <0x0 0xf4000000 0x0 0x1000000>,
+ <0x0 0xfc180000 0x0 0x1000>,
+ <0x0 0xf5000000 0x0 0x2000>;
+ reg-names = "dbi", "apb", "config";
+ bus-range = <0x0 0x1>;
+ msi-parent = <&its_pcie>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ phys = <&pcie_phy>;
+ ranges = <0x02000000 0x0 0x00000000
+ 0x0 0xf6000000
+ 0x0 0x02000000>;
+ num-lanes = <1>;
+ #interrupt-cells = <1>;
+ interrupts = <GIC_SPI 283 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "msi";
+ interrupt-map-mask = <0 0 0 7>;
+ interrupt-map = <0x0 0 0 1 &gic GIC_SPI 282 IRQ_TYPE_LEVEL_HIGH>,
+ <0x0 0 0 2 &gic GIC_SPI 283 IRQ_TYPE_LEVEL_HIGH>,
+ <0x0 0 0 3 &gic GIC_SPI 284 IRQ_TYPE_LEVEL_HIGH>,
+ <0x0 0 0 4 &gic GIC_SPI 285 IRQ_TYPE_LEVEL_HIGH>;
+ pcie@4,0 { // Lane 4: M.2
+ reg = <0 0 0 0 0>;
+ compatible = "pciclass,0604";
+ device_type = "pci";
+ reset-gpios = <&gpio7 1 0>;
+ clkreq-gpios = <&gpio27 3 0 >;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges;
+ };
+ pcie@5,0 { // Lane 5: Mini PCIe
+ reg = <0 0 0 0 0>;
+ compatible = "pciclass,0604";
+ device_type = "pci";
+ reset-gpios = <&gpio7 2 0>;
+ clkreq-gpios = <&gpio17 0 0 >;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges;
+ };
+ pcie@7,0 { // Lane 7: Ethernet
+ reg = <0 0 0 0 0>;
+ compatible = "pciclass,0604";
+ device_type = "pci";
+ reset-gpios = <&gpio7 3 0>;
+ clkreq-gpios = <&gpio20 0 0 >;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges;
+ };
+ };
};
--
2.31.1
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