* [PATCH] arm64: dts: ls1028a-rdb: Add EEPROM nodes to I2C bus
[not found] <1b153bce-a66a-45ee-a5c6-963ea6fb1c82.949ef384-8293-46b8-903f-40a477c056ae.c99f8488-228d-4347-9f04-8a0b4c3c2a3f@emailsignatures365.codetwo.com>
@ 2024-06-04 6:27 ` Mike Looijmans
2024-06-16 12:22 ` Shawn Guo
0 siblings, 1 reply; 2+ messages in thread
From: Mike Looijmans @ 2024-06-04 6:27 UTC (permalink / raw)
To: devicetree
Cc: Mike Looijmans, Conor Dooley, Krzysztof Kozlowski, Rob Herring,
Shawn Guo, linux-arm-kernel, linux-kernel
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>
---
.../boot/dts/freescale/fsl-ls1028a-rdb.dts | 31 +++++++++++++++++++
1 file changed, 31 insertions(+)
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 @@ i2c-mux@77 {
#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>;
--
2.34.1
Met vriendelijke groet / kind regards,
Mike Looijmans
System Expert
TOPIC Embedded Products B.V.
Materiaalweg 4, 5681 RJ Best
The Netherlands
T: +31 (0) 499 33 69 69
E: mike.looijmans@topic.nl
W: www.topic.nl
Please consider the environment before printing this e-mail
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] arm64: dts: ls1028a-rdb: Add EEPROM nodes to I2C bus
2024-06-04 6:27 ` [PATCH] arm64: dts: ls1028a-rdb: Add EEPROM nodes to I2C bus Mike Looijmans
@ 2024-06-16 12:22 ` Shawn Guo
0 siblings, 0 replies; 2+ messages in thread
From: Shawn Guo @ 2024-06-16 12:22 UTC (permalink / raw)
To: Mike Looijmans
Cc: devicetree, Conor Dooley, Krzysztof Kozlowski, Rob Herring,
Shawn Guo, linux-arm-kernel, linux-kernel
On Tue, Jun 04, 2024 at 08:27:22AM +0200, Mike Looijmans wrote:
> 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>
Applied, thanks!
^ permalink raw reply [flat|nested] 2+ messages in thread
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2024-06-04 6:27 ` [PATCH] arm64: dts: ls1028a-rdb: Add EEPROM nodes to I2C bus Mike Looijmans
2024-06-16 12:22 ` Shawn Guo
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