[PATCH 09/11] arm64: dts: renesas: salvator-common: Describe PCIe/USB3.0 clock generator
Marek Vasut
marek.vasut+renesas at mailbox.org
Thu Jan 1 12:35:56 PST 2026
Describe the 9FGV0841 PCIe and USB3.0 clock generator present on both
Salvator-X and Salvator-XS boards. The clock generator supplies 100 MHz
differential clock for both PCIe ports, as well as for the USB 3.0 PHY.
Signed-off-by: Marek Vasut <marek.vasut+renesas at mailbox.org>
---
Cc: Conor Dooley <conor+dt at kernel.org>
Cc: Geert Uytterhoeven <geert+renesas at glider.be>
Cc: Krzysztof Kozlowski <krzk+dt at kernel.org>
Cc: Magnus Damm <magnus.damm at gmail.com>
Cc: Neil Armstrong <neil.armstrong at linaro.org>
Cc: Rob Herring <robh at kernel.org>
Cc: Vinod Koul <vkoul at kernel.org>
Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh at renesas.com>
Cc: devicetree at vger.kernel.org
Cc: linux-phy at lists.infradead.org
Cc: linux-renesas-soc at vger.kernel.org
---
.../boot/dts/renesas/salvator-common.dtsi | 26 +++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/salvator-common.dtsi b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
index fa8bfee07b3c8..4e2322d2a90be 100644
--- a/arch/arm64/boot/dts/renesas/salvator-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
@@ -75,6 +75,12 @@ backlight: backlight {
enable-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
};
+ pcie_usb_refclk: clk-x7 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <25000000>;
+ };
+
cvbs-in {
compatible = "composite-video-connector";
label = "CVBS IN";
@@ -523,6 +529,13 @@ pca9654: gpio at 20 {
#gpio-cells = <2>;
};
+ pcie_usb_clk: clk at 68 {
+ compatible = "renesas,9fgv0841";
+ reg = <0x68>;
+ clocks = <&pcie_usb_refclk>;
+ #clock-cells = <1>;
+ };
+
video-receiver at 70 {
compatible = "adi,adv7482";
reg = <0x70 0x71 0x72 0x73 0x74 0x75
@@ -641,16 +654,27 @@ &ohci1 {
&pcie_bus_clk {
clock-frequency = <100000000>;
+ status = "disabled";
};
&pciec0 {
+ clocks = <&cpg CPG_MOD 319>, <&pcie_usb_clk 1>;
status = "okay";
};
+&pciec0_rp {
+ clocks = <&pcie_usb_clk 3>;
+};
+
&pciec1 {
+ clocks = <&cpg CPG_MOD 318>, <&pcie_usb_clk 2>;
status = "okay";
};
+&pciec1_rp {
+ clocks = <&pcie_usb_clk 4>;
+};
+
&pfc {
pinctrl-0 = <&scif_clk_pins>;
pinctrl-names = "default";
@@ -1038,11 +1062,13 @@ &usb3_peri0 {
};
&usb3_phy0 {
+ clocks = <&cpg CPG_MOD 328>, <&pcie_usb_clk 6>, <&usb_extal_clk>;
status = "okay";
};
&usb3s0_clk {
clock-frequency = <100000000>;
+ status = "disabled";
};
&vin0 {
--
2.51.0
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