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Message-Id: <20221127114142.156573-8-linux@fw-web.de>
Date: Sun, 27 Nov 2022 12:41:41 +0100
From: Frank Wunderlich <linux@...web.de>
To: linux-mediatek@...ts.infradead.org
Cc: Frank Wunderlich <frank-w@...lic-files.de>,
Ryder Lee <ryder.lee@...iatek.com>,
Jianjun Wang <jianjun.wang@...iatek.com>,
Lorenzo Pieralisi <lpieralisi@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof WilczyĆski <kw@...ux.com>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Chunfeng Yun <chunfeng.yun@...iatek.com>,
Vinod Koul <vkoul@...nel.org>,
Kishon Vijay Abraham I <kishon@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Matthias Brugger <matthias.bgg@...il.com>,
linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-phy@...ts.infradead.org, linux-usb@...r.kernel.org,
Sam Shih <sam.shih@...iatek.com>,
Jieyy Yang <jieyy.yang@...iatek.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>
Subject: [next v7 7/8] arm64: dts: mt7986: add pcie related device nodes
From: Sam Shih <sam.shih@...iatek.com>
This patch adds PCIe support for MT7986.
Signed-off-by: Jieyy Yang <jieyy.yang@...iatek.com>
Signed-off-by: Sam Shih <sam.shih@...iatek.com>
Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
changes compared to sams original version:
- add clock-names to pcie node
- update clocks to new binding
---
bindings-patches:
https://patchwork.kernel.org/project/linux-mediatek/list/?series=690172
---
arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts | 16 ++++++
arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 52 ++++++++++++++++++++
2 files changed, 68 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
index c7a2ac764a30..4f18b4a9a8c8 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
@@ -93,6 +93,15 @@ &mmc0 {
non-removable;
no-sd;
no-sdio;
+};
+
+&pcie {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie_pins>;
+ status = "okay";
+};
+
+&pcie_phy {
status = "okay";
};
@@ -155,6 +164,13 @@ conf-rst {
};
};
+ pcie_pins: pcie-pins {
+ mux {
+ function = "pcie";
+ groups = "pcie_clk", "pcie_wake", "pcie_pereset";
+ };
+ };
+
spi_flash_pins: spi-flash-pins {
mux {
function = "spi";
diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
index 9c552442c02d..f6e980771b69 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -8,6 +8,7 @@
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/mt7986-clk.h>
#include <dt-bindings/reset/mt7986-resets.h>
+#include <dt-bindings/phy/phy.h>
/ {
compatible = "mediatek,mt7986a";
@@ -361,6 +362,57 @@ mmc0: mmc@...30000 {
status = "disabled";
};
+ pcie: pcie@...80000 {
+ compatible = "mediatek,mt7986-pcie",
+ "mediatek,mt8192-pcie";
+ device_type = "pci";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ reg = <0x00 0x11280000 0x00 0x4000>;
+ reg-names = "pcie-mac";
+ interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>;
+ bus-range = <0x00 0xff>;
+ ranges = <0x82000000 0x00 0x20000000 0x00
+ 0x20000000 0x00 0x10000000>;
+ clocks = <&infracfg CLK_INFRA_IPCIE_PIPE_CK>,
+ <&infracfg CLK_INFRA_IPCIE_CK>,
+ <&infracfg CLK_INFRA_IPCIER_CK>,
+ <&infracfg CLK_INFRA_IPCIEB_CK>;
+ clock-names = "pl_250m", "tl_26m", "peri_26m", "top_133m";
+ status = "disabled";
+
+ phys = <&pcie_port PHY_TYPE_PCIE>;
+ phy-names = "pcie-phy";
+
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0x7>;
+ interrupt-map = <0 0 0 1 &pcie_intc 0>,
+ <0 0 0 2 &pcie_intc 1>,
+ <0 0 0 3 &pcie_intc 2>,
+ <0 0 0 4 &pcie_intc 3>;
+ pcie_intc: interrupt-controller {
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ interrupt-controller;
+ };
+ };
+
+ pcie_phy: t-phy@...00000 {
+ compatible = "mediatek,mt7986-tphy",
+ "mediatek,generic-tphy-v2";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+ status = "disabled";
+
+ pcie_port: pcie-phy@...00000 {
+ reg = <0 0x11c00000 0 0x20000>;
+ clocks = <&clk40m>;
+ clock-names = "ref";
+ #phy-cells = <1>;
+ };
+ };
+
usb_phy: t-phy@...10000 {
compatible = "mediatek,mt7986-tphy",
"mediatek,generic-tphy-v2";
--
2.34.1
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