riscv: dts: spacemit: k1-musepi-pro: add 24c02 eeprom

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>
Link: https://patch.msgid.link/20260513071958.29574-3-a.heider@gmail.com
Signed-off-by: Yixun Lan <dlan@kernel.org>

diff --git a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
index 653e5a1bf41bad6787a4f3cab14f7838c1e54ba6..b8e73eed8e62bfafd7673567729378c9e3ce19d8 100644 (file)
--- 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 @@
        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";