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 v2 3/3] arm64: dts: rockchip: Add onboard EEPROM for Radxa E20C
Date: Thu, 17 Apr 2025 12:01:19 +0000 [thread overview]
Message-ID: <20250417120118.17610-6-ziyao@disroot.org> (raw)
In-Reply-To: <20250417120118.17610-3-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 | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
index 57a446b5cbd6..6e77f7753ff7 100644
--- a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
@@ -110,6 +110,20 @@ vcc5v0_sys: regulator-5v0-vcc-sys {
};
};
+&i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1m0_xfer>;
+ status = "okay";
+
+ eeprom@50 {
+ compatible = "belling,bl24c16a", "atmel,24c16";
+ reg = <0x50>;
+ pagesize = <16>;
+ read-only;
+ vcc-supply = <&vcc_3v3>;
+ };
+};
+
&pinctrl {
gpio-keys {
user_key: user-key {
--
2.49.0
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next prev parent reply other threads:[~2025-04-17 12:17 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-17 12:01 [PATCH v2 0/3] Support I2C controllers in RK3528 Yao Zi
2025-04-17 12:01 ` [PATCH v2 1/3] dt-bindings: i2c: i2c-rk3x: Add compatible string for RK3528 Yao Zi
2025-05-05 7:49 ` Heiko Stübner
2025-05-05 20:47 ` Andi Shyti
2025-05-05 21:43 ` Heiko Stübner
2025-04-17 12:01 ` [PATCH v2 2/3] arm64: dts: rockchip: Add I2C controllers " Yao Zi
2025-04-17 14:36 ` Krzysztof Kozlowski
2025-04-17 14:36 ` Krzysztof Kozlowski
2025-04-17 14:46 ` Yao Zi
2025-04-17 19:10 ` Heiko Stübner
2025-05-05 7:06 ` Jonas Karlman
2025-04-17 12:01 ` Yao Zi [this message]
2025-05-05 7:06 ` [PATCH v2 3/3] arm64: dts: rockchip: Add onboard EEPROM for Radxa E20C Jonas Karlman
2025-05-05 21:53 ` (subset) [PATCH v2 0/3] Support I2C controllers in RK3528 Heiko Stuebner
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