diff options
| author | Jonathan Marek <jonathan@marek.ca> | 2019-06-03 04:04:54 +0300 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2019-06-16 21:25:41 +0300 |
| commit | 48100d10c93fe3df6e1f4ea77888985d054f25d8 (patch) | |
| tree | 2412f310a4e78d806c9a4469688db6e84ce0affe /arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts | |
| parent | 15061c3edde48127948f09607ea3603e7409fda9 (diff) | |
| download | linux-48100d10c93fe3df6e1f4ea77888985d054f25d8.tar.xz | |
ARM: dts: qcom: msm8974-hammerhead: add touchscreen support
Add support for the Synaptics RMI4 touchscreen that is found on the
Nexus 5.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts')
| -rw-r--r-- | arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts index b3b04736a159..fe760a320700 100644 --- a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts +++ b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts @@ -280,6 +280,16 @@ }; }; + i2c2_pins: i2c2 { + mux { + pins = "gpio6", "gpio7"; + function = "blsp_i2c2"; + + drive-strength = <2>; + bias-disable; + }; + }; + i2c3_pins: i2c3 { mux { pins = "gpio10", "gpio11"; @@ -306,6 +316,25 @@ input-enable; }; }; + + touch_pin: touch { + int { + pins = "gpio5"; + function = "gpio"; + + drive-strength = <2>; + bias-disable; + input-enable; + }; + + reset { + pins = "gpio8"; + function = "gpio"; + + drive-strength = <2>; + bias-pull-up; + }; + }; }; sdhci@f9824900 { @@ -424,6 +453,41 @@ }; }; + i2c@f9924000 { + status = "ok"; + + clock-frequency = <355000>; + qcom,src-freq = <50000000>; + + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_pins>; + + synaptics@70 { + compatible = "syna,rmi4-i2c"; + reg = <0x70>; + + interrupts-extended = <&msmgpio 5 IRQ_TYPE_EDGE_FALLING>; + vdd-supply = <&pm8941_l22>; + vio-supply = <&pm8941_lvs3>; + + pinctrl-names = "default"; + pinctrl-0 = <&touch_pin>; + + #address-cells = <1>; + #size-cells = <0>; + + rmi4-f01@1 { + reg = <0x1>; + syna,nosleep-mode = <1>; + }; + + rmi4-f12@12 { + reg = <0x12>; + syna,sensor-type = <1>; + }; + }; + }; + i2c@f9925000 { status = "ok"; pinctrl-names = "default"; |