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46678fbdca
Update the uDPU kernel support, fixing a number of issues: * make ethernet work again by adding comphy definitions * slow the I2C bus to give it more chance of actually working * the SFP cages are designed to support up to 3W modules, which would be prevented from initialising without this patch. Signed-off-by: Russell King <linux@armlinux.org.uk> [jonas.gorski: rename to mvebu, refresh patches] Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
31 lines
894 B
Diff
31 lines
894 B
Diff
From 662eb8fc87f982e63ccb9a9df25c7aeabf9fe341 Mon Sep 17 00:00:00 2001
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From: Russell King <rmk+kernel@armlinux.org.uk>
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Date: Thu, 14 Nov 2019 00:23:35 +0000
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Subject: [PATCH 658/660] arm64: dts: uDPU: remove i2c-fast-mode
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The I2C bus violates the timing specifications when run in fast mode
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on the uDPU, so switch to 100kHz mode.
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Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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---
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arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts | 2 ++
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1 file changed, 2 insertions(+)
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--- a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
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+++ b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
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@@ -119,12 +119,14 @@
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&i2c1_pins>;
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+ /delete-property/mrvl,i2c-fast-mode;
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};
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&i2c1 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&i2c2_pins>;
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+ /delete-property/mrvl,i2c-fast-mode;
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lm75@48 {
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status = "okay";
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