diff options
| author | AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org> | 2021-09-09 14:37:28 +0200 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2021-09-24 18:25:22 -0500 |
| commit | ebe0932e4fe5a5a0eb197f1de50442a2bf2d7b08 (patch) | |
| tree | e191940a3365e3b2d73c602bae8d6f11f664a5b9 /arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi | |
| parent | 390883af89d2ed653c3f7eefc06368241d422a38 (diff) | |
arm64: dts: qcom: msm8998-xperia: Add RMI4 touchscreen support
All of the devices in the Sony Yoshino platform are using a Synaptics
RMI4-compatible touch IC with identical pins and supplies: enable the
I2C-5 bus and add the rmi4-i2c node along with the required pin
configurations.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210909123733.367248-2-angelogioacchino.delregno@somainline.org
Diffstat (limited to 'arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi b/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi index 98d23f8b93ac..8bbff6e80b7f 100644 --- a/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi @@ -30,6 +30,15 @@ regulator-boot-on; }; + touch_vddio_vreg: touch-vddio-vreg { + compatible = "regulator-fixed"; + regulator-name = "touch_vddio_vreg"; + startup-delay-us = <10000>; + gpio = <&tlmm 133 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&ts_vddio_en>; + }; + vph_pwr: vph-pwr-regulator { compatible = "regulator-fixed"; regulator-name = "vph_pwr"; @@ -130,6 +139,42 @@ }; }; +&blsp1_i2c5 { + status = "okay"; + clock-frequency = <355000>; + + touchscreen@2c { + compatible = "syna,rmi4-i2c"; + reg = <0x2c>; + #address-cells = <1>; + #size-cells = <0>; + interrupts-extended = <&tlmm 125 IRQ_TYPE_EDGE_FALLING>; + + pinctrl-names = "default"; + pinctrl-0 = <&ts_int_n>; + + vdd-supply = <&vreg_l28_3p0>; + vio-supply = <&touch_vddio_vreg>; + + syna,reset-delay-ms = <220>; + syna,startup-delay-ms = <1000>; + + rmi4-f01@1 { + reg = <0x01>; + syna,nosleep-mode = <1>; + }; + + rmi4-f11@11 { + reg = <0x11>; + syna,sensor-type = <1>; + }; + }; +}; + +&blsp1_i2c5_sleep { + bias-disable; +}; + &blsp2_uart1 { status = "okay"; }; @@ -442,6 +487,21 @@ drive-strength = <2>; input-enable; }; + + ts_int_n: ts-int-n { + pins = "gpio125"; + function = "gpio"; + drive-strength = <8>; + bias-pull-up; + }; + + ts_vddio_en: ts-vddio-en-default { + pins = "gpio133"; + function = "gpio"; + bias-disable; + drive-strength = <2>; + output-low; + }; }; /* |