[PATCH 2/6] riscv: dts: spacemit: k1-musepi-pro: add 24c04 eeprom

[Andre Heider]

Enable i2c2 and add the connected 24c04 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 at gmail.com>
---
 .../riscv/boot/dts/spacemit/k1-musepi-pro.dts | 35 ++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

diff --git a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
index 07eef3274192c..8bb85b5ba1943 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;
 	};
 
@@ -92,6 +93,38 @@ &pdma {
 	status = "okay";
 };
 
+&i2c2 {
+	pinctrl-0 = <&i2c2_0_cfg>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	eeprom at 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";
@@ -126,7 +159,7 @@ buck2 {
 				regulator-always-on;
 			};
 
-			buck3 {
+			buck3_1v8: buck3 {
 				regulator-min-microvolt = <500000>;
 				regulator-max-microvolt = <1800000>;
 				regulator-ramp-delay = <5000>;
-- 
2.53.0