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* [PATCH 1/3] arm64: dts: ti: k3-am625-phyboard-lyra-rdk: Lower I2C1 frequency
@ 2023-12-04 22:28 Garrett Giordano
  2023-12-04 22:28 ` [PATCH 2/3] arm64: dts: ti: k3-am625-phyboard-lyra-rdk: Add HDMI support Garrett Giordano
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: Garrett Giordano @ 2023-12-04 22:28 UTC (permalink / raw)
  To: nm, vigneshr, kristo, robh+dt, krzysztof.kozlowski+dt, conor+dt,
	w.egorov
  Cc: linux-arm-kernel, devicetree, linux-kernel, upstream

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@phytec.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


^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2023-12-06 16:04 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-12-04 22:28 [PATCH 1/3] arm64: dts: ti: k3-am625-phyboard-lyra-rdk: Lower I2C1 frequency Garrett Giordano
2023-12-04 22:28 ` [PATCH 2/3] arm64: dts: ti: k3-am625-phyboard-lyra-rdk: Add HDMI support Garrett Giordano
2023-12-04 22:28 ` [PATCH 3/3] arm64: dts: ti: k3-am625-phyboard-lyra-rdk: Remove HDMI Reset Line Name Garrett Giordano
2023-12-05 15:12 ` [PATCH 1/3] arm64: dts: ti: k3-am625-phyboard-lyra-rdk: Lower I2C1 frequency Nishanth Menon
2023-12-05 17:31 ` Wadim Egorov
2023-12-06 16:03 ` Nishanth Menon

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