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c2f6a56958
Set KERNEL_TESTING_PATCHVER to allow testing Linux 6.12. 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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