* [PATCH] arm64: dts: renesas: r9a09g057h44-rzv2h-evk: Drop `bias-pull-up` from OVC pins
@ 2025-06-13 15:22 Prabhakar
2025-06-19 12:31 ` Geert Uytterhoeven
0 siblings, 1 reply; 2+ messages in thread
From: Prabhakar @ 2025-06-13 15:22 UTC (permalink / raw)
To: Geert Uytterhoeven, Magnus Damm, Rob Herring, Krzysztof Kozlowski,
Conor Dooley
Cc: linux-renesas-soc, devicetree, linux-kernel, Prabhakar, Biju Das,
Fabrizio Castro, Lad Prabhakar
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
The USB20/21_OVRCUR pins on the RZ/V2H EVK has an external pull-up resistor
on the board. Therefore, the internal pull-up configuration via the
`bias-pull-up` property is redundant and should be removed.
Fixes: 7548897ad4ae3 ("arm64: dts: renesas: r9a09g057h44-rzv2h-evk: Enable USB2.0 support")
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts
index 36e9f39cd4e4..9819f691c7d4 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts
@@ -658,7 +658,6 @@ sd1_cd {
usb20_pins: usb20 {
ovc {
pinmux = <RZV2H_PORT_PINMUX(9, 6, 14)>; /* OVC */
- bias-pull-up;
};
vbus {
@@ -669,7 +668,6 @@ vbus {
usb21_pins: usb21 {
ovc {
pinmux = <RZV2H_PORT_PINMUX(6, 7, 14)>; /* OVC */
- bias-pull-up;
};
vbus {
--
2.49.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] arm64: dts: renesas: r9a09g057h44-rzv2h-evk: Drop `bias-pull-up` from OVC pins
2025-06-13 15:22 [PATCH] arm64: dts: renesas: r9a09g057h44-rzv2h-evk: Drop `bias-pull-up` from OVC pins Prabhakar
@ 2025-06-19 12:31 ` Geert Uytterhoeven
0 siblings, 0 replies; 2+ messages in thread
From: Geert Uytterhoeven @ 2025-06-19 12:31 UTC (permalink / raw)
To: Prabhakar
Cc: Magnus Damm, Rob Herring, Krzysztof Kozlowski, Conor Dooley,
linux-renesas-soc, devicetree, linux-kernel, Biju Das,
Fabrizio Castro, Lad Prabhakar
Hi Prabhakar,
On Fri, 13 Jun 2025 at 17:22, Prabhakar <prabhakar.csengg@gmail.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> The USB20/21_OVRCUR pins on the RZ/V2H EVK has an external pull-up resistor
> on the board. Therefore, the internal pull-up configuration via the
> `bias-pull-up` property is redundant and should be removed.
Thanks for your patch!
> Fixes: 7548897ad4ae3 ("arm64: dts: renesas: r9a09g057h44-rzv2h-evk: Enable USB2.0 support")
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
As I haven't sent a PR for this yet, I will fold it into the offending commit.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
^ permalink raw reply [flat|nested] 2+ messages in thread
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2025-06-13 15:22 [PATCH] arm64: dts: renesas: r9a09g057h44-rzv2h-evk: Drop `bias-pull-up` from OVC pins Prabhakar
2025-06-19 12:31 ` Geert Uytterhoeven
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