[PATCH v9 04/15] ARM: dts: aspeed: anacapa: Add additional EEPROM node for SCM
COOLING5d
From: Colin Huang <hidden>
Date: 2026-09-30 06:14:09
Also in:
linux-aspeed, linux-devicetree, lkml
Subsystem:
arm/aspeed machine support, the rest · Maintainers:
Joel Stanley, Andrew Jeffery, Linus Torvalds
The SCM FRU EEPROM I2C address differs between SCM revisions: - Rev B uses address 0x50 - Rev C/D/E/F and later use address 0x51 Add an additional AT24C128 EEPROM node at 0x51 on i2c9 so the same device tree can support multiple SCM revisions. Signed-off-by: Colin Huang <redacted> --- .../boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dtsi b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dtsi
index c43090618c4a..8c4a03a82d44 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dtsi
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dtsi@@ -2,6 +2,20 @@ #include "aspeed-bmc-facebook-anacapa-evt1.dtsi" +// SCM +&i2c9 { + // SCM FRU + // | DC-SCM Rev | Slave address of eeprom | + // |-------------------|--------------------------| + // | Rev B | 0x50 | + // | Rev C/D/E/F/above | 0x51 | + + eeprom@51 { + compatible = "atmel,24c128"; + reg = <0x51>; + }; +}; + &sgpiom0 { gpio-line-names = /*in - out */
--
2.34.1