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From: Andre Heider <a.heider@gmail.com>
To: Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>, Yixun Lan <dlan@gentoo.org>
Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
	spacemit@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: [PATCH v3 2/6] riscv: dts: spacemit: k1-musepi-pro: add 24c02 eeprom
Date: Wed, 13 May 2026 09:19:50 +0200	[thread overview]
Message-ID: <20260513071958.29574-3-a.heider@gmail.com> (raw)
In-Reply-To: <20260513071958.29574-1-a.heider@gmail.com>

Enable i2c2 and add the connected GT24C02B EEPROM.

It contains an ONIE TLV table:
=> tlv_eeprom
TLV: 0
[  12.162] TlvInfo Header:
[  12.162]    Id String:    TlvInfo
[  12.165]    Version:      1
[  12.168]    Total Length: 58
[  12.171] TLV Name             Code Len Value
[  12.175] -------------------- ---- --- -----
[  12.179] Product Name         0x21  16 k1-x_MUSE-Pi-Pro
[  12.184] Serial Number        0x23  17 BPMIMXXXXXXXXXXXX
[  12.189] Unknown              0x41   1  0x02
[  12.194] Base MAC Address     0x24   6 FE:FE:FE:XX:XX:XX
[  12.199] MAC Addresses        0x2A   2 2
[  12.203] CRC-32               0xFE   4 0x395ECD34
[  12.207] Checksum is valid.

(With 0x41 as TLV_CODE_DDR_CSNUM)

Signed-off-by: Andre Heider <a.heider@gmail.com>
---
 .../riscv/boot/dts/spacemit/k1-musepi-pro.dts | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
index e0b585c50014b..41d7d6d20a797 100644
--- a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
@@ -17,6 +17,7 @@ / {
 	aliases {
 		ethernet0 = &eth0;
 		serial0 = &uart0;
+		i2c2 = &i2c2;
 		i2c8 = &i2c8;
 	};
 
@@ -82,6 +83,38 @@ &pdma {
 	status = "okay";
 };
 
+&i2c2 {
+	pinctrl-0 = <&i2c2_0_cfg>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	eeprom@50 {
+		compatible = "atmel,24c02";
+		reg = <0x50>;
+		vcc-supply = <&buck3_1v8>; /* EEPROM_VCC1V8 */
+		pagesize = <8>;
+		read-only;
+		size = <256>;
+
+		nvmem-layout {
+			compatible = "onie,tlv-layout";
+
+			product-name {
+			};
+
+			serial-number {
+			};
+
+			mac-address {
+				#nvmem-cell-cells = <1>;
+			};
+
+			num-macs {
+			};
+		};
+	};
+};
+
 &i2c8 {
 	pinctrl-0 = <&i2c8_cfg>;
 	pinctrl-names = "default";
-- 
2.53.0


WARNING: multiple messages have this Message-ID (diff)
From: Andre Heider <a.heider@gmail.com>
To: Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>, Yixun Lan <dlan@gentoo.org>
Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
	spacemit@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: [PATCH v3 2/6] riscv: dts: spacemit: k1-musepi-pro: add 24c02 eeprom
Date: Wed, 13 May 2026 09:19:50 +0200	[thread overview]
Message-ID: <20260513071958.29574-3-a.heider@gmail.com> (raw)
In-Reply-To: <20260513071958.29574-1-a.heider@gmail.com>

Enable i2c2 and add the connected GT24C02B EEPROM.

It contains an ONIE TLV table:
=> tlv_eeprom
TLV: 0
[  12.162] TlvInfo Header:
[  12.162]    Id String:    TlvInfo
[  12.165]    Version:      1
[  12.168]    Total Length: 58
[  12.171] TLV Name             Code Len Value
[  12.175] -------------------- ---- --- -----
[  12.179] Product Name         0x21  16 k1-x_MUSE-Pi-Pro
[  12.184] Serial Number        0x23  17 BPMIMXXXXXXXXXXXX
[  12.189] Unknown              0x41   1  0x02
[  12.194] Base MAC Address     0x24   6 FE:FE:FE:XX:XX:XX
[  12.199] MAC Addresses        0x2A   2 2
[  12.203] CRC-32               0xFE   4 0x395ECD34
[  12.207] Checksum is valid.

(With 0x41 as TLV_CODE_DDR_CSNUM)

Signed-off-by: Andre Heider <a.heider@gmail.com>
---
 .../riscv/boot/dts/spacemit/k1-musepi-pro.dts | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
index e0b585c50014b..41d7d6d20a797 100644
--- a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
@@ -17,6 +17,7 @@ / {
 	aliases {
 		ethernet0 = &eth0;
 		serial0 = &uart0;
+		i2c2 = &i2c2;
 		i2c8 = &i2c8;
 	};
 
@@ -82,6 +83,38 @@ &pdma {
 	status = "okay";
 };
 
+&i2c2 {
+	pinctrl-0 = <&i2c2_0_cfg>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	eeprom@50 {
+		compatible = "atmel,24c02";
+		reg = <0x50>;
+		vcc-supply = <&buck3_1v8>; /* EEPROM_VCC1V8 */
+		pagesize = <8>;
+		read-only;
+		size = <256>;
+
+		nvmem-layout {
+			compatible = "onie,tlv-layout";
+
+			product-name {
+			};
+
+			serial-number {
+			};
+
+			mac-address {
+				#nvmem-cell-cells = <1>;
+			};
+
+			num-macs {
+			};
+		};
+	};
+};
+
 &i2c8 {
 	pinctrl-0 = <&i2c8_cfg>;
 	pinctrl-names = "default";
-- 
2.53.0


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  parent reply	other threads:[~2026-05-13  7:20 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-13  7:19 [PATCH v3 0/6] spacemit: k1-musepi-pro: add missing devices Andre Heider
2026-05-13  7:19 ` Andre Heider
2026-05-13  7:19 ` [PATCH v3 1/6] riscv: dts: spacemit: k1-musepi-pro: add PMIC and power infrastructure Andre Heider
2026-05-13  7:19   ` Andre Heider
2026-05-13  7:48   ` Yixun Lan
2026-05-13  7:48     ` Yixun Lan
2026-05-13  8:02   ` Yixun Lan
2026-05-13  8:02     ` Yixun Lan
2026-05-14  2:28   ` sashiko-bot
2026-05-13  7:19 ` Andre Heider [this message]
2026-05-13  7:19   ` [PATCH v3 2/6] riscv: dts: spacemit: k1-musepi-pro: add 24c02 eeprom Andre Heider
2026-05-13  7:19 ` [PATCH v3 3/6] riscv: dts: spacemit: k1-musepi-pro: enable QSPI and add SPI NOR Andre Heider
2026-05-13  7:19   ` Andre Heider
2026-05-14  2:53   ` sashiko-bot
2026-05-13  7:19 ` [PATCH v3 4/6] riscv: dts: spacemit: k1-musepi-pro: enable USB 3 ports Andre Heider
2026-05-13  7:19   ` Andre Heider
2026-05-13  7:19 ` [PATCH v3 5/6] riscv: dts: spacemit: k1-musepi-pro: enable PCIe ports Andre Heider
2026-05-13  7:19   ` Andre Heider
2026-05-13  7:19 ` [PATCH v3 6/6] riscv: dts: spacemit: k1-musepi-pro: set default console baud rate Andre Heider
2026-05-13  7:19   ` Andre Heider
2026-05-13  7:46 ` [PATCH v3 0/6] spacemit: k1-musepi-pro: add missing devices Yixun Lan
2026-05-13  7:46   ` Yixun Lan
2026-05-13  7:56   ` Andre Heider
2026-05-13  7:56     ` Andre Heider

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