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Message-ID: <9b2acd69904b0e372cb02cbbc3b69ad4a1c23262.1503222289.git.ryder.lee@mediatek.com>
Date: Sun, 20 Aug 2017 17:46:02 +0800
From: Ryder Lee <ryder.lee@...iatek.com>
To: Matthias Brugger <matthias.bgg@...il.com>
CC: <linux-mediatek@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
Ryder Lee <ryder.lee@...iatek.com>
Subject: [PATCH 4/4] arm: dts: mt7623: add PCIe related nodes
This patch adds devices nodes and updates pinmux setting for the PICe
function block. Just note that PCIe port2 PHY is shared with U3 port.
Signed-off-by: Ryder Lee <ryder.lee@...iatek.com>
---
arch/arm/boot/dts/mt7623.dtsi | 108 ++++++++++++++++++++++++++
arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts | 30 +++++++
2 files changed, 138 insertions(+)
diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi
index e11e5e7..7d78471 100644
--- a/arch/arm/boot/dts/mt7623.dtsi
+++ b/arch/arm/boot/dts/mt7623.dtsi
@@ -872,6 +872,114 @@
#reset-cells = <1>;
};
+ pcie: pcie-controller@...40000 {
+ compatible = "mediatek,mt7623-pcie";
+ device_type = "pci";
+ reg = <0 0x1a140000 0 0x1000>, /* PCIe shared registers */
+ <0 0x1a142000 0 0x1000>, /* Port0 registers */
+ <0 0x1a143000 0 0x1000>, /* Port1 registers */
+ <0 0x1a144000 0 0x1000>; /* Port2 registers */
+ reg-names = "subsys", "port0", "port1", "port2";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0xf800 0 0 0>;
+ interrupt-map = <0x0000 0 0 0 &sysirq GIC_SPI 193 IRQ_TYPE_LEVEL_LOW>,
+ <0x0800 0 0 0 &sysirq GIC_SPI 194 IRQ_TYPE_LEVEL_LOW>,
+ <0x1000 0 0 0 &sysirq GIC_SPI 195 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&topckgen CLK_TOP_ETHIF_SEL>,
+ <&hifsys CLK_HIFSYS_PCIE0>,
+ <&hifsys CLK_HIFSYS_PCIE1>,
+ <&hifsys CLK_HIFSYS_PCIE2>;
+ clock-names = "free_ck", "sys_ck0", "sys_ck1", "sys_ck2";
+ resets = <&hifsys MT2701_HIFSYS_PCIE0_RST>,
+ <&hifsys MT2701_HIFSYS_PCIE1_RST>,
+ <&hifsys MT2701_HIFSYS_PCIE2_RST>;
+ reset-names = "pcie-rst0", "pcie-rst1", "pcie-rst2";
+ phys = <&pcie0_port PHY_TYPE_PCIE>,
+ <&pcie1_port PHY_TYPE_PCIE>,
+ <&u3port1 PHY_TYPE_PCIE>;
+ phy-names = "pcie-phy0", "pcie-phy1", "pcie-phy2";
+ power-domains = <&scpsys MT2701_POWER_DOMAIN_HIF>;
+ bus-range = <0x00 0xff>;
+ status = "disabled";
+ ranges = <0x81000000 0 0x1a160000 0 0x1a160000 0 0x00010000
+ 0x83000000 0 0x60000000 0 0x60000000 0 0x10000000>;
+
+ pcie@0,0 {
+ device_type = "pci";
+ reg = <0x0000 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &sysirq GIC_SPI 193 IRQ_TYPE_LEVEL_LOW>;
+ ranges;
+ num-lanes = <1>;
+ status = "disabled";
+ };
+
+ pcie@1,0 {
+ device_type = "pci";
+ reg = <0x0800 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &sysirq GIC_SPI 194 IRQ_TYPE_LEVEL_LOW>;
+ ranges;
+ num-lanes = <1>;
+ status = "disabled";
+ };
+
+ pcie@2,0 {
+ device_type = "pci";
+ reg = <0x1000 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &sysirq GIC_SPI 195 IRQ_TYPE_LEVEL_LOW>;
+ ranges;
+ num-lanes = <1>;
+ status = "disabled";
+ };
+ };
+
+ pcie0_phy: pcie-phy@...49000 {
+ compatible = "mediatek,generic-tphy-v1";
+ reg = <0 0x1a149000 0 0x0700>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+ status = "disabled";
+
+ pcie0_port: pcie-phy@...49900 {
+ reg = <0 0x1a149900 0 0x0700>;
+ clocks = <&clk26m>;
+ clock-names = "ref";
+ #phy-cells = <1>;
+ status = "okay";
+ };
+ };
+
+ pcie1_phy: pcie-phy@...4a000 {
+ compatible = "mediatek,generic-tphy-v1";
+ reg = <0 0x1a14a000 0 0x0700>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+ status = "disabled";
+
+ pcie1_port: pcie-phy@...4a900 {
+ reg = <0 0x1a14a900 0 0x0700>;
+ clocks = <&clk26m>;
+ clock-names = "ref";
+ #phy-cells = <1>;
+ status = "okay";
+ };
+ };
+
usb1: usb@...c0000 {
compatible = "mediatek,mt7623-xhci",
"mediatek,mt8173-xhci";
diff --git a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
index 336814a..80676b7 100644
--- a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
+++ b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
@@ -226,6 +226,28 @@
vqmmc-supply = <&mt6323_vio18_reg>;
};
+&pcie {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie_default>;
+ status = "okay";
+
+ pcie@0,0 {
+ status = "okay";
+ };
+
+ pcie@1,0 {
+ status = "okay";
+ };
+};
+
+&pcie0_phy {
+ status = "okay";
+};
+
+&pcie1_phy {
+ status = "okay";
+};
+
&pio {
cir_pins_a:cir@0 {
pins_cir {
@@ -408,6 +430,14 @@
};
};
+ pcie_default: pcie_pin_default {
+ pins_cmd_dat {
+ pinmux = <MT7623_PIN_208_AUD_EXT_CK1_FUNC_PCIE0_PERST_N>,
+ <MT7623_PIN_209_AUD_EXT_CK2_FUNC_PCIE1_PERST_N>;
+ bias-disable;
+ };
+ };
+
pwm_bls_gpio: pwm_bls_gpio {
pins_cmd_dat {
pinmux = <MT7623_PIN_203_PWM0_FUNC_DISP_PWM>;
--
1.9.1
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