Il 02/12/24 13:25, Frank Wunderlich ha scritto:
From: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
arm64: dts: mediatek: mt7988-bpi-r4: Add PCA9545 I2C Mux
Bananapi R4 uses an i2c multiplexer for SFP slots, rtc and eeprom.
Add its node to the right i2c controller.
Signed-off-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
---
---
.../dts/mediatek/mt7988a-bananapi-bpi-r4.dts | 40 +++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts
index 550c373b3d70..9ceefc990000 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts
@@ -2,6 +2,7 @@
/dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/regulator/richtek,rt5190a-regulator.h>
#include "mt7988a.dtsi"
@@ -138,6 +139,45 @@ &i2c2 {
pinctrl-names = "default";
pinctrl-0 = <&i2c2_1_pins>;
status = "okay";
+
+ pca9545: i2c-mux@70 {
+ reg = <0x70>;
+ compatible = "nxp,pca9545";
reg goes after compatible... :-)
After which
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
