[PATCH v2 4/5] riscv: dts: thead: Add IO labels for the IO expansion on I2C1

From: Icenowy Zheng

Date: Tue Jul 14 2026 - 03:50:08 EST


From: Emil Renner Berthing <emil.renner.berthing@xxxxxxxxxxxxx>

Add labels for GPIOs on the IO expansion chip on the I2C1 bus.

Signed-off-by: Emil Renner Berthing <emil.renner.berthing@xxxxxxxxxxxxx>
[Icenowy: Splitted off the patch adding all 3 IO expansions]
Signed-off-by: Icenowy Zheng <zhengxingda@xxxxxxxxxxx>
---
arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
index 74b120c6b063a..78f5979a56c14 100644
--- a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
+++ b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
@@ -128,6 +128,14 @@ ioexp2: gpio@18 {
reg = <0x18>;
gpio-controller;
#gpio-cells = <2>;
+ gpio-line-names = "",
+ "cam0_reset",
+ "cam1_reset",
+ "cam2_reset",
+ "wl_host_wake",
+ "bt_resetn",
+ "",
+ "bt_host_wake";
};
};

--
2.52.0