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arm64: dts: rockchip: Add eeprom vcc-supply for Radxa ROCK 5A

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The VCC supply for the BL24C16 EEPROM chip found on Radxa ROCK 5A is
vcc_3v3_pmu, which is routed to vcc_3v3_s3 via a zero-ohm resistor. [1]
Describe this supply.

[1] https://dl.radxa.com/rock5/5a/docs/hw/radxa_rock5a_V1.1_sch.pdf p.4, p.19

Fixes: 89c880808c ("arm64: dts: rockchip: add I2C EEPROM to rock-5a")
Signed-off-by: FUKAUMI Naoki <naoki@radxa.com>
Link: https://patch.msgid.link/20251112035133.28753-3-naoki@radxa.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
FUKAUMI Naoki 2025-11-12 03:51:30 +00:00 committed by Heiko Stuebner
parent 92e6e0b0e5
commit 3069ff1930
1 changed files with 2 additions and 1 deletions
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3
arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
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@ -233,6 +233,7 @@ eeprom: eeprom@50 {
compatible = "belling,bl24c16a", "atmel,24c16"; compatible = "belling,bl24c16a", "atmel,24c16";
reg = <0x50>; reg = <0x50>;
pagesize = <16>; pagesize = <16>;
vcc-supply = <&vcc_3v3_pmu>;
}; };
}; };
@ -608,7 +609,7 @@ regulator-state-mem {
}; };
}; };
vcc_3v3_s3: dcdc-reg8 { vcc_3v3_pmu: vcc_3v3_s3: dcdc-reg8 {
regulator-name = "vcc_3v3_s3"; regulator-name = "vcc_3v3_s3";
regulator-always-on; regulator-always-on;
regulator-boot-on; regulator-boot-on;