Enable PCIe Host controller channel 0 on R-Car V4H White Hawk boards.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
---
.../dts/renesas/white-hawk-cpu-common.dtsi | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/white-hawk-cpu-common.dtsi b/arch/arm64/boot/dts/renesas/white-hawk-cpu-common.dtsi
index 8ac17370ff36..3fc9a541f777 100644
--- a/arch/arm64/boot/dts/renesas/white-hawk-cpu-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/white-hawk-cpu-common.dtsi
@@ -111,6 +111,12 @@ mini_dp_con_in: endpoint {
};
};
+ pcie_clk: clk-9fgv0841-pci {
+ compatible = "fixed-clock";
+ clock-frequency = <100000000>;
+ #clock-cells = <0>;
+ };
+
reg_1p2v: regulator-1p2v {
compatible = "regulator-fixed";
regulator-name = "fixed-1.2V";
@@ -277,6 +283,18 @@ &mmc0 {
status = "okay";
};
+&pcie0_clkref {
+ compatible = "gpio-gate-clock";
+ clocks = <&pcie_clk>;
+ enable-gpios = <&gpio4 21 GPIO_ACTIVE_LOW>;
+ /delete-property/ clock-frequency;
+};
+
+&pciec0 {
+ reset-gpio = <&io_expander_a 0 GPIO_ACTIVE_LOW>;
+ status = "okay";
+};
+
&pfc {
pinctrl-0 = <&scif_clk_pins>;
pinctrl-names = "default";
--
2.25.1
