linux-kernel - [PATCH v9 5/9] ARM: dts: aspeed: system1: Reduce sgpio speed

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Message-ID: <20250204194115.3899174-6-ninad@linux.ibm.com>
Date: Tue,  4 Feb 2025 13:41:08 -0600
From: Ninad Palsule <ninad@...ux.ibm.com>
To: brgl@...ev.pl, linus.walleij@...aro.org, minyard@....org, robh@...nel.org,
        krzk+dt@...nel.org, conor+dt@...nel.org,
        openipmi-developer@...ts.sourceforge.net, joel@....id.au,
        andrew@...econstruct.com.au, devicetree@...r.kernel.org,
        eajames@...ux.ibm.com, linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org
Cc: Ninad Palsule <ninad@...ux.ibm.com>, andrew@...n.ch
Subject: [PATCH v9 5/9] ARM: dts: aspeed: system1: Reduce sgpio speed

Reduce sgpio speed to improve stability with the current PCB layout.

Reviewed-by: Eddie James <eajames@...ux.ibm.com>
Signed-off-by: Ninad Palsule <ninad@...ux.ibm.com>
---
 arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
index 5567e24ff99b..e02ff50fb48e 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
@@ -401,7 +401,7 @@ &emmc {
 &sgpiom0 {
 	status = "okay";
 	ngpios = <128>;
-	bus-frequency = <1000000>;
+	bus-frequency = <500000>;
 };
 
 &ibt {
-- 
2.43.0