From 01ba55917c27161f8480adf17c1bb8c6f6b62a09 Mon Sep 17 00:00:00 2001 From: Emil Renner Berthing Date: Tue, 14 Jul 2026 15:45:14 +0800 Subject: [PATCH] riscv: dts: thead: Add IO labels for the IO expansion on I2C1 Add labels for GPIOs on the IO expansion chip on the I2C1 bus. Link: https://lore.kernel.org/r/20260714074515.1959352-5-zhengxingda@iscas.ac.cn Reviewed-by: Drew Fustini Signed-off-by: Emil Renner Berthing [Icenowy: Splitted off the patch adding all 3 IO expansions] Signed-off-by: Icenowy Zheng [fustini: align ioexp2 gpio-line-names with schematic] Signed-off-by: Drew Fustini --- 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 74b120c6b063..5523957430ea 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_dev", + "bt_resetn", + "", + "bt_host_wake_dev"; }; };