linux-kernel - [PATCH 1/3] arm64: dts: ti: k3-am625-phyboard-lyra-rdk: Lower I2C1 frequency

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Message-Id: <20231204222811.2344460-1-ggiordano@phytec.com>
Date:   Mon,  4 Dec 2023 14:28:09 -0800
From:   Garrett Giordano <ggiordano@...tec.com>
To:     nm@...com, vigneshr@...com, kristo@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        w.egorov@...tec.de
Cc:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, upstream@...ts.phytec.de
Subject: [PATCH 1/3] arm64: dts: ti: k3-am625-phyboard-lyra-rdk: Lower I2C1 frequency

The gpio-expander on i2c-1 has a maximum frequency of 100kHz. Update our
main_i2c1 frequency to allow the nxp,pcf8574 gpio-expander to function
properly.

Signed-off-by: Garrett Giordano <ggiordano@...tec.com>
---
 arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts b/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts
index a438baf542c2..171354b13e33 100644
--- a/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts
@@ -187,7 +187,7 @@ cpsw3g_phy3: ethernet-phy@3 {
 &main_i2c1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&main_i2c1_pins_default>;
-	clock-frequency = <400000>;
+	clock-frequency = <100000>;
 	status = "okay";
 
 	gpio_exp: gpio-expander@21 {
-- 
2.25.1