[PATCH v2 5/6] arm64: dts: meson-g12a: Add PCIe node

Neil Armstrong
2019-09-16T12:50:40Z

This adds the Amlogic G12A PCI Express controller node, also
using the USB3+PCIe Combo PHY.

The PHY mode selection is static, thus the USB3+PCIe Combo PHY
phandle would need to be removed from the USB control node if the
shared differential lines are used for PCIe instead of USB3.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
---
.../boot/dts/amlogic/meson-g12-common.dtsi | 33 +++++++++++++++++++
arch/arm64/boot/dts/amlogic/meson-sm1.dtsi | 4 +++
2 files changed, 37 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index 852cf9cf121b..7330dc37b7a6 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -95,6 +95,39 @@
#size-cells = <2>;
ranges;

+ pcie: pcie@fc000000 {
+ compatible = "amlogic,g12a-pcie", "snps,dw-pcie";
+ reg = <0x0 0xfc000000 0x0 0x400000
+ 0x0 0xff648000 0x0 0x2000
+ 0x0 0xfc400000 0x0 0x200000>;
+ reg-names = "elbi", "cfg", "config";
+ interrupts = <GIC_SPI 221 IRQ_TYPE_LEVEL_HIGH>;
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &gic GIC_SPI 223 IRQ_TYPE_LEVEL_HIGH>;
+ bus-range = <0x0 0xff>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ ranges = <0x81000000 0 0 0x0 0xfc600000 0 0x00100000
+ 0x82000000 0 0xfc700000 0x0 0xfc700000 0 0x1900000>;
+
+ clocks = <&clkc CLKID_PCIE_PHY
+ &clkc CLKID_PCIE_COMB
+ &clkc CLKID_PCIE_PLL>;
+ clock-names = "general",
+ "pclk",
+ "port";
+ resets = <&reset RESET_PCIE_CTRL_A>,
+ <&reset RESET_PCIE_APB>;
+ reset-names = "port",
+ "apb";
+ num-lanes = <1>;
+ phys = <&usb3_pcie_phy PHY_TYPE_PCIE>;
+ phy-names = "pcie";
+ status = "disabled";
+ };
+
ethmac: ethernet@ff3f0000 {
compatible = "amlogic,meson-axg-dwmac",
"snps,dwmac-3.70a",
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi
index 91492819d0d8..ee9ea3c69433 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi
@@ -135,6 +135,10 @@
power-domains = <&pwrc PWRC_SM1_ETH_ID>;
};

+&pcie {
+ power-domains = <&pwrc PWRC_SM1_PCIE_ID>;
+};
+
&pwrc {
compatible = "amlogic,meson-sm1-pwrc";
};
--
2.22.0