superrob1500
/
mirror-linux
mirror of https://github.com/torvalds/linux
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

arm64: dts: renesas: r8a77990: Add USB 3.0 PHY and USB3S0 clock nodes 

Add USB 3.0 PHY and PHY clock node for R-Car E3.  The PHY node is
different in that it does not have control registers and extal clock,
which are not routed to the SoC pads on R-Car E3, therefore describe the
PHY as usb-nop-xceiv simple PHY.  Add USB3S0 clock pad fixed-clock node,
the frequency has to be overridden at board level.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260118135038.8033-7-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
master
Marek Vasut 2026-01-18 14:49:54 +01:00 committed by Geert Uytterhoeven
parent 1ec13760f4
commit c6ffd32627
1 changed files with 17 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
arch/arm64/boot/dts/renesas/r8a77990.dtsi
View File

@ -2190,4 +2190,21 @@
<GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
interrupt-names = "sec-phys", "phys", "virt", "hyp-phys";
};
/* External USB clock - to be overridden by boards that provide it */
usb3s0_clk: usb3s0-clk {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <0>;
};
usb3_phy0: usb-phy {
compatible = "usb-nop-xceiv";
clocks = <&usb3s0_clk>;
clock-names = "main_clk";
clock-frequency = <100000000>;
power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
#phy-cells = <0>;
status = "disabled";
};
};