32 lines
818 B
Diff
32 lines
818 B
Diff
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From af20b3384e8723077cc6484160b0cf4e9be321de Mon Sep 17 00:00:00 2001
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From: Tianling Shen <cnsztl@gmail.com>
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Date: Mon, 7 Jun 2021 15:45:37 +0800
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Subject: [PATCH] arm64: dts: rockchip: add EEPROM node for NanoPi R4S
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NanoPi R4S has a EEPROM attached to the 2nd I2C bus (U92), which
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stores the MAC address.
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Signed-off-by: Tianling Shen <cnsztl@gmail.com>
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---
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arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts | 9 +++++++++
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1 file changed, 9 insertions(+)
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--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
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+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
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@@ -68,6 +68,15 @@
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status = "disabled";
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};
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+&i2c2 {
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+ eeprom@51 {
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+ compatible = "microchip,24c02", "atmel,24c02";
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+ reg = <0x51>;
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+ pagesize = <16>;
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+ read-only; /* This holds our MAC */
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+ };
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+};
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+
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&i2c4 {
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status = "disabled";
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};
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