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

[Icenowy Zheng]

From: Emil Renner Berthing <emil.renner.berthing at canonical.com>

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

Signed-off-by: Emil Renner Berthing <emil.renner.berthing at canonical.com>
[Icenowy: Splitted off the patch adding all 3 IO expansions]
Signed-off-by: Icenowy Zheng <zhengxingda at iscas.ac.cn>
---
 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 at 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