diff mbox series

[v3,2/2] arm64: dts: renesas: white-hawk-cpu-common: Enable PCIe Host ch0

Message ID 20240822004454.1087582-3-yoshihiro.shimoda.uh@renesas.com (mailing list archive)
State Mainlined
Commit 6ca537aa160ffd2f41cca4af72aeed18c9d41b82
Delegated to: Geert Uytterhoeven
Headers show
Series arm64: dts: renesas: r8a779g0: add PCIe support | expand

Commit Message

Yoshihiro Shimoda Aug. 22, 2024, 12:44 a.m. UTC 
Enable PCIe Host controller channel 0 on R-Car V4H White Hawk boards.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 .../dts/renesas/white-hawk-cpu-common.dtsi     | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
diff mbox series

Patch

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 80496fb3d476..3845b413bd24 100644
--- a/arch/arm64/boot/dts/renesas/white-hawk-cpu-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/white-hawk-cpu-common.dtsi
@@ -117,6 +117,12 @@  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";
@@ -288,6 +294,18 @@  &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";