6.18-stable review patch. If anyone has any objections, please let me know.
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From: FUKAUMI Naoki naoki@radxa.com
[ Upstream commit 3069ff1930aa71e125874c780ffaa6caeda5800a ]
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: 89c880808cff8 ("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 Signed-off-by: Sasha Levin sashal@kernel.org --- arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts index 428c6f0232a34..041a0fff22ccb 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts @@ -233,6 +233,7 @@ eeprom: eeprom@50 { compatible = "belling,bl24c16a", "atmel,24c16"; reg = <0x50>; pagesize = <16>; + vcc-supply = <&vcc_3v3_pmu>; }; };
@@ -600,7 +601,7 @@ regulator-state-mem { }; };
- vcc_3v3_s3: dcdc-reg8 { + vcc_3v3_pmu: vcc_3v3_s3: dcdc-reg8 { regulator-name = "vcc_3v3_s3"; regulator-always-on; regulator-boot-on;