* [PATCH/LOCAL] arm64: renesas: defconfig: Enable GPIO reset controller support
@ 2025-10-31 9:07 Geert Uytterhoeven
2025-10-31 9:19 ` Wolfram Sang
0 siblings, 1 reply; 2+ messages in thread
From: Geert Uytterhoeven @ 2025-10-31 9:07 UTC (permalink / raw)
To: Kuninori Morimoto, Wolfram Sang, Magnus Damm
Cc: linux-renesas-soc, Geert Uytterhoeven
As of commit 690de2902dca98ae ("i2c: muxes: pca954x: Use reset
controller only") in v6.18-rc1, the NXP PCA954x I2C mux/switch driver
relies on GPIO reset controller support for proper reset operation.
Reported-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Closes: https://lore.kernel.org/r/87a51um1y1.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
Not intended for upstream merge.
To be applied to the topic/renesas-defconfig branch.
---
arch/arm64/configs/renesas_defconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/configs/renesas_defconfig b/arch/arm64/configs/renesas_defconfig
index 8803b90c625885f3..5f15b48663b53f84 100644
--- a/arch/arm64/configs/renesas_defconfig
+++ b/arch/arm64/configs/renesas_defconfig
@@ -404,6 +404,7 @@ CONFIG_PWM_RENESAS_RCAR=y
CONFIG_PWM_RENESAS_RZG2L_GPT=y
CONFIG_PWM_RENESAS_RZ_MTU3=y
CONFIG_PWM_RENESAS_TPU=y
+CONFIG_RESET_GPIO=y
CONFIG_RESET_RZG2L_USBPHY_CTRL=y
CONFIG_RESET_RZV2H_USB2PHY=y
CONFIG_PHY_CAN_TRANSCEIVER=y
--
2.43.0
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH/LOCAL] arm64: renesas: defconfig: Enable GPIO reset controller support
2025-10-31 9:07 [PATCH/LOCAL] arm64: renesas: defconfig: Enable GPIO reset controller support Geert Uytterhoeven
@ 2025-10-31 9:19 ` Wolfram Sang
0 siblings, 0 replies; 2+ messages in thread
From: Wolfram Sang @ 2025-10-31 9:19 UTC (permalink / raw)
To: Geert Uytterhoeven; +Cc: Kuninori Morimoto, Magnus Damm, linux-renesas-soc
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On Fri, Oct 31, 2025 at 10:07:20AM +0100, Geert Uytterhoeven wrote:
> As of commit 690de2902dca98ae ("i2c: muxes: pca954x: Use reset
> controller only") in v6.18-rc1, the NXP PCA954x I2C mux/switch driver
> relies on GPIO reset controller support for proper reset operation.
>
> Reported-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> Closes: https://lore.kernel.org/r/87a51um1y1.wl-kuninori.morimoto.gx@renesas.com
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Yes, this sadly requires manual updates for now.
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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2025-10-31 9:07 [PATCH/LOCAL] arm64: renesas: defconfig: Enable GPIO reset controller support Geert Uytterhoeven
2025-10-31 9:19 ` Wolfram Sang
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