Enable PCIE1 and PCIE2 used on both Zest and RMB3 boards.
Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
---
arch/arm/dts/imx8mq-zii-ultra.dtsi | 62 ++++++++++++++++++++++++++++++
1 file changed, 62 insertions(+)
diff --git a/arch/arm/dts/imx8mq-zii-ultra.dtsi b/arch/arm/dts/imx8mq-zii-ultra.dtsi
index a6b2b8966..83d57916e 100644
--- a/arch/arm/dts/imx8mq-zii-ultra.dtsi
+++ b/arch/arm/dts/imx8mq-zii-ultra.dtsi
@@ -37,6 +37,18 @@
gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
+
+ pcie0_refclk: pcie0-refclk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <100000000>;
+ };
+
+ pcie1_refclk: pcie0-refclk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <100000000>;
+ };
};
&fec1 {
@@ -227,6 +239,42 @@
barebox,provide-mac-address = <&fec1 0x640>;
};
+&pcie0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pcie0>;
+ reset-gpio = <&gpio1 3 GPIO_ACTIVE_LOW>;
+ clocks = <&clk IMX8MQ_CLK_PCIE1_ROOT>,
+ <&clk IMX8MQ_CLK_PCIE1_AUX>,
+ <&clk IMX8MQ_CLK_PCIE1_PHY>,
+ <&pcie0_refclk>;
+ clock-names = "pcie", "pcie_aux", "pcie_phy", "pcie_bus";
+ status = "okay";
+};
+
+&pcie1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pcie1>;
+ reset-gpio = <&gpio1 6 GPIO_ACTIVE_LOW>;
+ clocks = <&clk IMX8MQ_CLK_PCIE2_ROOT>,
+ <&clk IMX8MQ_CLK_PCIE2_AUX>,
+ <&clk IMX8MQ_CLK_PCIE2_PHY>,
+ <&pcie1_refclk>;
+ clock-names = "pcie", "pcie_aux", "pcie_phy", "pcie_bus";
+ status = "okay";
+
+ pcie@0,0 {
+ reg = <0x000000 0 0 0 0>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ /* pcie endpoint 01:00.0 */
+ eth1: intel,i210@pcie0,0 {
+ reg = <0x010000 0 0 0 0>;
+ };
+ };
+};
+
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;
@@ -344,6 +392,20 @@
>;
};
+ pinctrl_pcie0: pcie0grp {
+ fsl,pins = <
+ MX8MQ_IOMUXC_UART4_RXD_PCIE1_CLKREQ_B 0x76
+ MX8MQ_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x16
+ >;
+ };
+
+ pinctrl_pcie1: pcie1grp {
+ fsl,pins = <
+ MX8MQ_IOMUXC_UART4_TXD_PCIE2_CLKREQ_B 0x76
+ MX8MQ_IOMUXC_GPIO1_IO06_GPIO1_IO6 0x16
+ >;
+ };
+
pinctrl_reg_usdhc2: regusdhc2grpgpio {
fsl,pins = <
MX8MQ_IOMUXC_SD2_RESET_B_GPIO2_IO19 0x41
--
2.20.1
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