[PATCH v2 4/5] riscv: dts: thead: Add IO labels for the IO expansion on I2C1
From: Icenowy Zheng <zhengxingda@iscas.ac.cn>
Date: 2026-07-14 07:45:46
Also in:
linux-riscv, lkml
Subsystem:
risc-v architecture, risc-v thead soc support, the rest · Maintainers:
Paul Walmsley, Palmer Dabbelt, Albert Ou, Drew Fustini, Guo Ren, Fu Wei, Linus Torvalds
From: Emil Renner Berthing <redacted> Add labels for GPIOs on the IO expansion chip on the I2C1 bus. Signed-off-by: Emil Renner Berthing <redacted> [Icenowy: Splitted off the patch adding all 3 IO expansions] Signed-off-by: Icenowy Zheng <zhengxingda@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@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