Define a GPIO expander pin for the HDD LED and expose it via the
LED subsystem. This allows the BMC to control the front panel
HDD activity LED.
Signed-off-by: Leo Wang <leo.jt.wang@gmail.com>
---
Changes in v2:
- Drop "Changes include" section from commit message
- Link to v1: https://lore.kernel.org/r/20250926-leo-dts-add-shunt-resistor-v1-1-c871a68792f0@gmail.com
---
arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-clemente.dts | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-clemente.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-clemente.dts
index a614f947dafc9a6628c3f3d45b62ff3ca9d2b618..450446913e36b1418fab901cde44280468990c7a 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-clemente.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-clemente.dts
@@ -95,6 +95,11 @@ led-3 {
label = "bmc_ready_cpld_noled";
gpios = <&gpio0 ASPEED_GPIO(P, 5) (GPIO_ACTIVE_HIGH|GPIO_TRANSITORY)>;
};
+
+ led-hdd {
+ label = "hdd_led";
+ gpios = <&io_expander13 1 GPIO_ACTIVE_LOW>;
+ };
};
memory@80000000 {
@@ -1199,7 +1204,7 @@ io_expander13: gpio@14 {
#gpio-cells = <2>;
gpio-line-names =
"rmc_en_dc_pwr_on",
- "",
+ "HDD_LED_N",
"",
"",
"",
---
base-commit: c65261717599d419e9c683d85f515d3ca2261549
change-id: 20250926-leo-dts-add-shunt-resistor-0cba43f75bce
Best regards,
--
Leo Wang <leo.jt.wang@gmail.com>