Re: [PATCH v2 03/13] arm64: dts: qcom: lemans-evk: Add TCA9534 I/O expander
From: Wasim Nazir <hidden>
Date: 2025-09-03 16:15:26
Also in:
linux-arm-msm, linux-mmc, lkml, netdev
On Wed, Sep 03, 2025 at 05:48:56PM +0200, Konrad Dybcio wrote:
On 9/3/25 1:47 PM, Wasim Nazir wrote:quoted
From: Nirmesh Kumar Singh <redacted> Integrate the TCA9534 I/O expander via I2C to provide 8 additional GPIO lines for extended I/O functionality. Signed-off-by: Nirmesh Kumar Singh <redacted> Signed-off-by: Wasim Nazir <redacted> --- arch/arm64/boot/dts/qcom/lemans-evk.dts | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+)diff --git a/arch/arm64/boot/dts/qcom/lemans-evk.dts b/arch/arm64/boot/dts/qcom/lemans-evk.dts index 9e415012140b..753c5afc3342 100644 --- a/arch/arm64/boot/dts/qcom/lemans-evk.dts +++ b/arch/arm64/boot/dts/qcom/lemans-evk.dts@@ -277,6 +277,38 @@ vreg_l8e: ldo8 { }; }; +&i2c18 { + status = "okay"; + + expander0: gpio@38 { + compatible = "ti,tca9538"; + #gpio-cells = <2>; + gpio-controller; + reg = <0x38>;'reg' usually comes right after compatible
Ack.
Konrad
-- Regards, Wasim