@@ -8,6 +8,7 @@
#include <dt-bindings/leds/common.h>
#include <dt-bindings/net/ti-dp83867.h>
+#include <dt-bindings/phy/phy-imx8-pcie.h>
#include <dt-bindings/pwm/pwm.h>
#include "imx8mp-tqma8mpql.dtsi"
@@ -48,6 +49,12 @@ backlight_lvds: backlight {
status = "disabled";
};
+ clk_xtal25: clk-xtal25 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <25000000>;
+ };
+
gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
@@ -340,9 +347,16 @@ &gpio4 {
"", "", "", "",
"", "", "", "",
"", "", "DP_IRQ", "DSI_EN",
- "HDMI_OC#", "TEMP_EVENT#", "PCIE_CLK_OE#", "",
+ "HDMI_OC#", "TEMP_EVENT#", "PCIE_REFCLK_OE#", "",
"", "", "", "FAN_PWR",
"RTC_EVENT#", "CODEC_RST#", "", "";
+
+ pcie-refclkreq-hog {
+ gpio-hog;
+ gpios = <22 0>;
+ output-high;
+ line-name = "PCIE_REFCLK_OE#";
+ };
};
&gpio5 {
@@ -377,6 +391,13 @@ at24c02_54: eeprom@54 {
pagesize = <16>;
vcc-supply = <®_vcc_3v3>;
};
+
+ pcieclk: clock-generator@6a {
+ compatible = "renesas,9fgv0241";
+ reg = <0x6a>;
+ clocks = <&clk_xtal25>;
+ #clock-cells = <1>;
+ };
};
&i2c4 {
@@ -407,6 +428,25 @@ &pcf85063 {
interrupts = <28 IRQ_TYPE_EDGE_FALLING>;
};
+&pcie_phy {
+ fsl,clkreq-unsupported;
+ fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
+ clocks = <&pcieclk 0>;
+ clock-names = "ref";
+ status = "okay";
+};
+
+&pcie {
+ clocks = <&clk IMX8MP_CLK_HSIO_ROOT>,
+ <&clk IMX8MP_CLK_HSIO_AXI>,
+ <&clk IMX8MP_CLK_PCIE_ROOT>;
+ clock-names = "pcie", "pcie_bus", "pcie_aux";
+ assigned-clocks = <&clk IMX8MP_CLK_PCIE_AUX>;
+ assigned-clock-rates = <10000000>;
+ assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_50M>;
+ status = "okay";
+};
+
&pwm2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pwm2>;
Add PCIe support on TQMa8MPxL module on MBa8MPxL mainboard. Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> --- Changes in v2: * Fix node name for PCIe refclkreq GPIO hog * Fix node name for 9fgv0241 This is based on next-20221018 where imp8mp PCIe support has been merged. .../freescale/imx8mp-tqma8mpql-mba8mpxl.dts | 42 ++++++++++++++++++- 1 file changed, 41 insertions(+), 1 deletion(-)