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authorYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>2020-03-04 07:42:14 +0100
committerGeert Uytterhoeven <geert+renesas@glider.be>2020-03-09 09:29:38 +0100
commitfc51da4c15fa1e00cd1f855e14e8b05abbc555c7 (patch)
tree3d58dec01a8b797b7262b58577581887c438b7f2 /Documentation/devicetree
parentclk: renesas: Remove use of ARCH_R8A7795 (diff)
downloadlinux-fc51da4c15fa1e00cd1f855e14e8b05abbc555c7.tar.xz
linux-fc51da4c15fa1e00cd1f855e14e8b05abbc555c7.zip
dt-bindings: clock: renesas: rcar-usb2-clock-sel: Fix clock[-name]s properties
Since the hardware requires to enable both USB 2.0 host and peripheral functional clock, this patch fixes the documentation. Fortunately, no one has this device node for now, so that we don't need to think of backward compatibility. Fixes: 311accb64570 ("clk: renesas: rcar-usb2-clock-sel: Add R-Car USB 2.0 clock selector PHY") Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/1583304137-28482-2-git-send-email-yoshihiro.shimoda.uh@renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/clock/renesas,rcar-usb2-clock-sel.txt8
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/clock/renesas,rcar-usb2-clock-sel.txt b/Documentation/devicetree/bindings/clock/renesas,rcar-usb2-clock-sel.txt
index 83f6c6a7c41c..5c1903fc40b3 100644
--- a/Documentation/devicetree/bindings/clock/renesas,rcar-usb2-clock-sel.txt
+++ b/Documentation/devicetree/bindings/clock/renesas,rcar-usb2-clock-sel.txt
@@ -38,7 +38,8 @@ Required properties:
- reg: offset and length of the USB 2.0 clock selector register block.
- clocks: A list of phandles and specifier pairs.
- clock-names: Name of the clocks.
- - The functional clock must be "ehci_ohci"
+ - The functional clock of USB 2.0 host side must be "ehci_ohci"
+ - The functional clock of HS-USB side must be "hs-usb-if"
- The USB_EXTAL clock pin must be "usb_extal"
- The USB_XTAL clock pin must be "usb_xtal"
- #clock-cells: Must be 0
@@ -49,7 +50,8 @@ Example (R-Car H3):
compatible = "renesas,r8a7795-rcar-usb2-clock-sel",
"renesas,rcar-gen3-usb2-clock-sel";
reg = <0 0xe6590630 0 0x02>;
- clocks = <&cpg CPG_MOD 703>, <&usb_extal>, <&usb_xtal>;
- clock-names = "ehci_ohci", "usb_extal", "usb_xtal";
+ clocks = <&cpg CPG_MOD 703>, <&cpg CPG_MOD 704>,
+ <&usb_extal>, <&usb_xtal>;
+ clock-names = "ehci_ohci", "hs-usb-if", "usb_extal", "usb_xtal";
#clock-cells = <0>;
};