diff options
| author | Stephan Gerhold <stephan@gerhold.net> | 2021-10-04 23:19:08 +0300 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2021-10-24 06:23:02 +0300 |
| commit | c6b4ddc08dc2633adfb0a933066c09303f97091b (patch) | |
| tree | de7bd47115845dffa68ad41a61e795e694cff515 /arch | |
| parent | 0e0253ccaf9092128a2e7a3599c7adee3cb7192d (diff) | |
| download | linux-c6b4ddc08dc2633adfb0a933066c09303f97091b.tar.xz | |
arm64: dts: qcom: msm8916-samsung-serranove: Add touch screen
Like msm8916-samsung-a3u-eur, the S4 Mini VE uses a Zinitix BT541
touch screen. Add it together with the necessary fixed-regulator
to the device tree.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211004201921.18526-3-stephan@gerhold.net
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts b/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts index 013f843aff9c..aa1326e5d4cb 100644 --- a/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts +++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts @@ -78,6 +78,19 @@ }; }; + reg_vdd_tsp: regulator-vdd-tsp { + compatible = "regulator-fixed"; + regulator-name = "vdd_tsp"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + gpio = <&msmgpio 73 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-names = "default"; + pinctrl-0 = <&tsp_en_default>; + }; + i2c-muic { compatible = "i2c-gpio"; sda-gpios = <&msmgpio 105 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; @@ -102,6 +115,27 @@ }; }; +&blsp_i2c5 { + status = "okay"; + + touchscreen@20 { + compatible = "zinitix,bt541"; + reg = <0x20>; + + interrupt-parent = <&msmgpio>; + interrupts = <13 IRQ_TYPE_EDGE_FALLING>; + + touchscreen-size-x = <540>; + touchscreen-size-y = <960>; + + vdd-supply = <®_vdd_tsp>; + vddo-supply = <&pm8916_l6>; + + pinctrl-names = "default"; + pinctrl-0 = <&tsp_irq_default>; + }; +}; + &blsp1_uart2 { status = "okay"; }; @@ -298,4 +332,20 @@ drive-strength = <2>; bias-disable; }; + + tsp_en_default: tsp-en-default { + pins = "gpio73"; + function = "gpio"; + + drive-strength = <2>; + bias-disable; + }; + + tsp_irq_default: tsp-irq-default { + pins = "gpio13"; + function = "gpio"; + + drive-strength = <2>; + bias-disable; + }; }; |