forked from Openwrt-EcoNet/openwrt
f9206d1111
Replace downstream files by patches, either backports of those which have already applied or pending patches tracked on patchwork. This is done to make future maintainance more easy. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
75 lines
1.7 KiB
Diff
75 lines
1.7 KiB
Diff
From dde7d741329616025e4cfa350eb3935b495ae140 Mon Sep 17 00:00:00 2001
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From: Frank Wunderlich <frank-w@public-files.de>
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Date: Tue, 17 Dec 2024 10:12:32 +0100
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Subject: [PATCH 20/32] arm64: dts: mediatek: mt7988a-bpi-r4: Add PCA9545 I2C
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Mux
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Bananapi R4 uses an i2c multiplexer for SFP slots, rtc and eeprom.
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Add its node to the right i2c controller.
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Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
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Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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Link: https://lore.kernel.org/r/20241217091238.16032-19-linux@fw-web.de
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Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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---
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.../dts/mediatek/mt7988a-bananapi-bpi-r4.dts | 41 +++++++++++++++++++
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1 file changed, 41 insertions(+)
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--- a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts
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+++ b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts
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@@ -2,6 +2,8 @@
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/dts-v1/;
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+#include <dt-bindings/gpio/gpio.h>
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+
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#include "mt7988a.dtsi"
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/ {
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@@ -70,6 +72,45 @@
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pinctrl-names = "default";
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pinctrl-0 = <&i2c2_1_pins>;
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status = "okay";
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+
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+ pca9545: i2c-mux@70 {
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+ compatible = "nxp,pca9545";
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+ reg = <0x70>;
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+ reset-gpios = <&pio 5 GPIO_ACTIVE_LOW>;
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+
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+ i2c@0 {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ reg = <0>;
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+
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+ pcf8563: rtc@51 {
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+ compatible = "nxp,pcf8563";
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+ reg = <0x51>;
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+ #clock-cells = <0>;
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+ };
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+
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+ eeprom@57 {
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+ compatible = "atmel,24c02";
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+ reg = <0x57>;
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+ size = <256>;
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+ };
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+
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+ };
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+
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+ i2c_sfp1: i2c@1 {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ reg = <1>;
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+ };
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+
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+ i2c_sfp2: i2c@2 {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ reg = <2>;
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+ };
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+ };
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};
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&pio {
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