From: Yao Zi <ziyao@disroot.org>
To: Heiko Stuebner <heiko@sntech.de>,
Andi Shyti <andi.shyti@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Jonas Karlman <jonas@kwiboo.se>, Yao Zi <ziyao@disroot.org>,
Chukun Pan <amadeus@jmu.edu.cn>
Cc: linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-i2c@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 3/3] arm64: dts: rockchip: Add onboard EEPROM for Radxa E20C
Date: Sun, 9 Mar 2025 07:06:03 +0000 [thread overview]
Message-ID: <20250309070603.35254-4-ziyao@disroot.org> (raw)
In-Reply-To: <20250309070603.35254-1-ziyao@disroot.org>
Radxa E20C ships an onboard I2C EEPROM for storing production
information. Enable it in devicetree.
Signed-off-by: Yao Zi <ziyao@disroot.org>
---
arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
index b74e605a5a82..ddcf690eb513 100644
--- a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
@@ -122,6 +122,19 @@ vccio_sd: regulator-vccio-sd {
};
};
+&i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1m0_xfer>;
+ status = "okay";
+
+ eeprom@50 {
+ compatible = "belling,bl24c16a", "atmel,24c16";
+ reg = <0x50>;
+ pagesize = <16>;
+ vcc-supply = <&vcc_3v3>;
+ };
+};
+
&pinctrl {
gpio-keys {
user_key: user-key {
--
2.48.1
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next prev parent reply other threads:[~2025-03-09 7:11 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-09 7:06 [PATCH 0/3] Support I2C controllers in RK3528 Yao Zi
2025-03-09 7:06 ` [PATCH 1/3] dt-bindings: i2c: i2c-rk3x: Add compatible string for RK3528 Yao Zi
2025-03-09 19:47 ` Heiko Stübner
2025-03-10 16:38 ` Conor Dooley
2025-03-11 22:08 ` Andi Shyti
2025-03-09 7:06 ` [PATCH 2/3] arm64: dts: rockchip: Add I2C controllers " Yao Zi
2025-03-09 8:00 ` Chukun Pan
2025-03-10 7:22 ` Yao Zi
2025-03-09 18:23 ` Jonas Karlman
2025-03-09 7:06 ` Yao Zi [this message]
2025-03-10 7:00 ` [PATCH 3/3] arm64: dts: rockchip: Add onboard EEPROM for Radxa E20C Chukun Pan
2025-03-10 7:15 ` Yao Zi
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