openwrt/target/linux/bcm27xx/patches-6.6/950-1470-overlays-goodix-Allow-override-i2c-address.patch
Álvaro Fernández Rojas 3a5584e0df bcm27xx: pull 6.6 patches from RPi repo
Adds latest 6.6 patches from the Raspberry Pi repository.

These patches were generated from:
https://github.com/raspberrypi/linux/commits/rpi-6.6.y/
With the following command:
git format-patch -N v6.6.67..HEAD
(HEAD -> 811ff707533bcd67cdcd368bbd46223082009b12)

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry picked from commit 692205305db14deeff1a2dc4a6d7f87e19fc418b)
2024-12-28 14:11:52 +01:00

37 lines
1.4 KiB
Diff

From 62085522016ee2dadbe8668a6a97919770020817 Mon Sep 17 00:00:00 2001
From: Renjaya Raga Zenta <ragazenta@gmail.com>
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 <ragazenta@gmail.com>
---
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,<param>=<val>
-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 = <&gt9271>,"reg:0";
interrupt = <&goodix_pins>,"brcm,pins:0",
<&gt9271>,"interrupts:0",
<&gt9271>,"irq-gpios:4";