From 62085522016ee2dadbe8668a6a97919770020817 Mon Sep 17 00:00:00 2001 From: Renjaya Raga Zenta Date: Wed, 18 Dec 2024 16:44:32 +0700 Subject: [PATCH] overlays: goodix: Allow override i2c address Some Goodix devices e.g. gt911 use address 0x5d instead of 0x14. So, make the address overridable. Signed-off-by: Renjaya Raga Zenta --- arch/arm/boot/dts/overlays/README | 3 ++- arch/arm/boot/dts/overlays/goodix-overlay.dts | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) --- a/arch/arm/boot/dts/overlays/README +++ b/arch/arm/boot/dts/overlays/README @@ -1439,7 +1439,8 @@ Name: goodix Info: Enables I2C connected Goodix gt9271 multiple touch controller using GPIOs 4 and 17 (pins 7 and 11 on GPIO header) for interrupt and reset. Load: dtoverlay=goodix,= -Params: interrupt GPIO used for interrupt (default 4) +Params: addr I2C address (default 0x14) + interrupt GPIO used for interrupt (default 4) reset GPIO used for reset (default 17) i2c-path Override I2C path to allow for i2c-gpio buses --- a/arch/arm/boot/dts/overlays/goodix-overlay.dts +++ b/arch/arm/boot/dts/overlays/goodix-overlay.dts @@ -37,6 +37,7 @@ }; __overrides__ { + addr = <>9271>,"reg:0"; interrupt = <&goodix_pins>,"brcm,pins:0", <>9271>,"interrupts:0", <>9271>,"irq-gpios:4";