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authorMarek Vasut <marek.vasut+renesas@mailbox.org>2026-01-18 16:49:55 +0300
committerGeert Uytterhoeven <geert+renesas@glider.be>2026-03-06 15:18:46 +0300
commit39ef5f2dac6697c88bbc6588ca9388659a3cbed6 (patch)
tree8472c977d75872c383d8dcfe33fe99dd5441270d
parentc6ffd326277aa87138ee6ed4fc4e6f8af1106179 (diff)
downloadlinux-39ef5f2dac6697c88bbc6588ca9388659a3cbed6.tar.xz
arm64: dts: renesas: salvator-common: Describe PCIe/USB3.0 clock generator
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@mailbox.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://patch.msgid.link/20260118135038.8033-8-marek.vasut+renesas@mailbox.org Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
-rw-r--r--arch/arm64/boot/dts/renesas/salvator-common.dtsi28
1 files changed, 26 insertions, 2 deletions
diff --git a/arch/arm64/boot/dts/renesas/salvator-common.dtsi b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
index d4a921bed4c3..e505161caa67 100644
--- a/arch/arm64/boot/dts/renesas/salvator-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
@@ -75,6 +75,12 @@
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 @@
#gpio-cells = <2>;
};
+ pcie_usb_clk: clk@68 {
+ compatible = "renesas,9fgv0841";
+ reg = <0x68>;
+ clocks = <&pcie_usb_refclk>;
+ #clock-cells = <1>;
+ };
+
video-receiver@70 {
compatible = "adi,adv7482";
reg = <0x70 0x71 0x72 0x73 0x74 0x75
@@ -640,17 +653,27 @@
};
&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 +1061,12 @@
};
&usb3_phy0 {
+ clocks = <&cpg CPG_MOD 328>, <&pcie_usb_clk 6>, <&usb_extal_clk>;
status = "okay";
};
&usb3s0_clk {
- clock-frequency = <100000000>;
+ status = "disabled";
};
&vin0 {