[PATCH v5 05/15] ARM: dts: aspeed: anacapa: Add additional EEPROM node for SCM
Colin Huang via B4 Relay <[email protected]>
| Newsgroups | org.ozlabs.lists.linux-aspeed,org.infradead.lists.linux-arm-kernel,org.kernel.feeds.b4-sent,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
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| Message-ID | <20260813-anacapa-devlop-phase-devicetree-v5-5-c7058f63dc67@gmail.com> |
From: Colin Huang <[email protected]> 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 <[email protected]> --- .../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 4a6ae7c6cbf8..1901a325c72c 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 @@ / { compatible = "facebook,anacapa-bmc-evt2", "aspeed,ast2600"; }; +// 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 { ngpios = <128>; bus-frequency = <2000000>; -- 2.34.1