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Date: Wed, 23 Nov 2022 12:28:11 +0100 From: Konrad Dybcio <konrad.dybcio@...aro.org> To: "Lin, Meng-Bo" <linmengbo0689@...tonmail.com>, linux-kernel@...r.kernel.org Cc: Andy Gross <agross@...nel.org>, Bjorn Andersson <andersson@...nel.org>, Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Stephan Gerhold <stephan@...hold.net>, Nikita Travkin <nikita@...n.ru>, devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht Subject: Re: [PATCH v6 4/4] arm64: dts: qcom: msm8916-acer-a1-724: Add touchscreen On 23.11.2022 04:39, Lin, Meng-Bo wrote: > A1-724 uses a Focaltech FT5446 touchscreen that is connected to blsp_i2c5. > Add it to the device tree. > > Signed-off-by: Lin, Meng-Bo <linmengbo0689@...tonmail.com> > --- Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org> Konrad > .../boot/dts/qcom/msm8916-acer-a1-724.dts | 40 +++++++++++++++++++ > 1 file changed, 40 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts b/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts > index bea0d022dd9a..ed3fa7b3575b 100644 > --- a/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts > +++ b/arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts > @@ -81,6 +81,30 @@ magnetometer@12 { > }; > }; > > +&blsp_i2c5 { > + status = "okay"; > + > + touchscreen@38 { > + /* Actually ft5446 */ > + compatible = "edt,edt-ft5406"; > + reg = <0x38>; > + > + interrupt-parent = <&msmgpio>; > + interrupts = <13 IRQ_TYPE_LEVEL_LOW>; > + > + reset-gpios = <&msmgpio 12 GPIO_ACTIVE_LOW>; > + > + vcc-supply = <&pm8916_l16>; > + iovcc-supply = <&pm8916_l6>; > + > + touchscreen-size-x = <720>; > + touchscreen-size-y = <1280>; > + > + pinctrl-names = "default"; > + pinctrl-0 = <&touchscreen_default>; > + }; > +}; > + > &blsp1_uart2 { > status = "okay"; > }; > @@ -245,6 +269,22 @@ gpio_keys_default: gpio-keys-default-state { > bias-pull-up; > }; > > + touchscreen_default: touchscreen-default-state { > + reset-pins { > + pins = "gpio12"; > + function = "gpio"; > + drive-strength = <2>; > + bias-disable; > + }; > + > + touchscreen-pins { > + pins = "gpio13"; > + function = "gpio"; > + drive-strength = <2>; > + bias-pull-up; > + }; > + }; > + > usb_id_default: usb-id-default-state { > pins = "gpio110"; > function = "gpio";
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