linux-kernel - [PATCH] arm64: dts: allwinner: NanoPi R1S H5: use the correct compatible for the eeprom

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Date:   Fri,  1 Oct 2021 22:50:36 +0800
From:   Chukun Pan <amadeus@....edu.cn>
To:     Rob Herring <robh+dt@...nel.org>
Cc:     Maxime Ripard <mripard@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Chukun Pan <amadeus@....edu.cn>
Subject: [PATCH] arm64: dts: allwinner: NanoPi R1S H5: use the correct compatible for the eeprom

The 'microchip,24c02' compatible does not match the at24 driver, so
replace it with 'atmel,24c02'. In addition, because the mac address
is stored on this eeprom, set it to read-only mode.

Signed-off-by: Chukun Pan <amadeus@....edu.cn>
---
 arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-r1s-h5.dts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-r1s-h5.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-r1s-h5.dts
index 55bcdf8d1a07..4f01c17c49e0 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-r1s-h5.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-r1s-h5.dts
@@ -142,9 +142,10 @@
 	status = "okay";
 
 	eeprom@51 {
-		compatible = "microchip,24c02";
-		reg = <0x51>;
+		compatible = "atmel,24c02";
 		pagesize = <16>;
+		reg = <0x51>;
+		read-only; /* This holds our MAC */
 	};
 };
 
-- 
2.17.1