diff options
| author | Frank Wunderlich <frank-w@public-files.de> | 2024-12-17 10:12:32 +0100 |
|---|---|---|
| committer | AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> | 2025-01-07 13:11:47 +0100 |
| commit | 572c02e687ba803bd17498218eaa21aeaebe3b97 (patch) | |
| tree | eef3d4f577147bfb342980babdc6a44d76e59fb5 /arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts | |
| parent | faf97571ae83a8db3eb74109275d217514d2b474 (diff) | |
arm64: dts: mediatek: mt7988a-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@public-files.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20241217091238.16032-19-linux@fw-web.de
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Diffstat (limited to 'arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts')
| -rw-r--r-- | arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts | 41 |
1 files changed, 41 insertions, 0 deletions
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 3d165f7b29dc..0dc1fd9265c6 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 +2,8 @@ /dts-v1/; +#include <dt-bindings/gpio/gpio.h> + #include "mt7988a.dtsi" / { @@ -70,6 +72,45 @@ pinctrl-names = "default"; pinctrl-0 = <&i2c2_1_pins>; status = "okay"; + + pca9545: i2c-mux@70 { + compatible = "nxp,pca9545"; + reg = <0x70>; + reset-gpios = <&pio 5 GPIO_ACTIVE_LOW>; + #address-cells = <1>; + #size-cells = <0>; + + i2c@0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; + + pcf8563: rtc@51 { + compatible = "nxp,pcf8563"; + reg = <0x51>; + #clock-cells = <0>; + }; + + eeprom@57 { + compatible = "atmel,24c02"; + reg = <0x57>; + size = <256>; + }; + + }; + + i2c_sfp1: i2c@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + }; + + i2c_sfp2: i2c@2 { + #address-cells = <1>; + #size-cells = <0>; + reg = <2>; + }; + }; }; &pio { |