[PATCH v6 05/12] ARM: dts: aspeed: anacapa: Add additional EEPROM node for SCM
COLD38d
From: Colin Huang via B4 Relay <devnull+u8813345.gmail.com@kernel.org>
Date: 2026-08-25 10:48:40
Also in:
b4-sent, linux-arm-kernel, linux-aspeed, lkml
Subsystem:
arm/aspeed machine support, the rest · Maintainers:
Joel Stanley, Andrew Jeffery, Linus Torvalds
From: Colin Huang <redacted> 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.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dts
index 075ac39f369f..d2b4855ff1ad 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-evt2.dts@@ -8,6 +8,20 @@ / { model = "Facebook Anacapa BMC"; }; +// 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 { bus-frequency = <2000000>; gpio-line-names =
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2.34.1