From: Mike Looijmans <mike.looijmans@topic.nl>
Date: Tue, 4 Jun 2024 06:27:22 +0000 (+0200)
Subject: arm64: dts: ls1028a-rdb: Add EEPROM nodes to I2C bus
X-Git-Tag: io_uring-6.11-20240722~96^2~16^2~50
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=152f7a9908b11ff55f3feb357a5f6ff84f90e69b;p=linux-block.git

arm64: dts: ls1028a-rdb: Add EEPROM nodes to I2C bus

The LS1028ARDB board contains three EEPROM devices, for
storing boot code, DDR SPD and board information. Add the
missing entries to the devicetree.

Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
index ecd2c1ea177f..757a34ba7da3 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
@@ -201,6 +201,37 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
+		i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x0>;
+
+			/* Atmel AT24C512C-XHD­B: 64 KB EEPROM */
+			eeprom@50 {
+				compatible = "atmel,24c512";
+				reg = <0x50>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+			};
+
+			/* AT24C04C 512-byte DDR4 SPD EEPROM */
+			/* Documentation says 0x51, but must be even and i2cdetect says 0x52 */
+			eeprom@52 {
+				compatible = "atmel,24c04";
+				reg = <0x52>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+			};
+
+			/* Atmel AT24C02C-XHM­B: 256-byte EEPROM */
+			eeprom@57 {
+				compatible = "atmel,24c02";
+				reg = <0x57>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+			};
+		};
+
 		i2c@1 {
 			#address-cells = <1>;
 			#size-cells = <0>;