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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2020-11-09 12:38:26 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-11-09 13:42:10 +0100 |
| commit | 119c632f12509eab4bc58daf629c4b16fffcedca (patch) | |
| tree | 34366b3095d957178b46be47f628a3926ad35ac3 /dts/Bindings/input/touchscreen | |
| parent | 89b766c63f94b5fe94db75a6f197c9e6c0f9da7e (diff) | |
| download | barebox-119c632f12509eab4bc58daf629c4b16fffcedca.tar.gz barebox-119c632f12509eab4bc58daf629c4b16fffcedca.tar.xz | |
dts: update to v5.10-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/input/touchscreen')
| -rw-r--r-- | dts/Bindings/input/touchscreen/touchscreen.yaml | 2 | ||||
| -rw-r--r-- | dts/Bindings/input/touchscreen/zinitix.txt | 40 |
2 files changed, 42 insertions, 0 deletions
diff --git a/dts/Bindings/input/touchscreen/touchscreen.yaml b/dts/Bindings/input/touchscreen/touchscreen.yaml index 36dc7b56a4..a771a15f05 100644 --- a/dts/Bindings/input/touchscreen/touchscreen.yaml +++ b/dts/Bindings/input/touchscreen/touchscreen.yaml @@ -81,3 +81,5 @@ dependencies: touchscreen-size-y: [ touchscreen-size-x ] touchscreen-x-mm: [ touchscreen-y-mm ] touchscreen-y-mm: [ touchscreen-x-mm ] + +additionalProperties: true diff --git a/dts/Bindings/input/touchscreen/zinitix.txt b/dts/Bindings/input/touchscreen/zinitix.txt new file mode 100644 index 0000000000..446efb9f5f --- /dev/null +++ b/dts/Bindings/input/touchscreen/zinitix.txt @@ -0,0 +1,40 @@ +Device tree bindings for Zinitx BT541 touchscreen controller + +Required properties: + + - compatible : Should be "zinitix,bt541" + - reg : I2C address of the chip. Should be 0x20 + - interrupts : Interrupt to which the chip is connected + +Optional properties: + + - vdd-supply : Analog power supply regulator on VCCA pin + - vddo-supply : Digital power supply regulator on VDD pin + - zinitix,mode : Mode of reporting touch points. Some modes may not work + with a particular ts firmware for unknown reasons. Available + modes are 1 and 2. Mode 2 is the default and preferred. + +The touchscreen-* properties are documented in touchscreen.txt in this +directory. + +Example: + + i2c@00000000 { + /* ... */ + + bt541@20 { + compatible = "zinitix,bt541"; + reg = <0x20>; + interrupt-parent = <&msmgpio>; + interrupts = <13 IRQ_TYPE_EDGE_FALLING>; + pinctrl-names = "default"; + pinctrl-0 = <&tsp_default>; + vdd-supply = <®_vdd_tsp>; + vddo-supply = <&pm8916_l6>; + touchscreen-size-x = <540>; + touchscreen-size-y = <960>; + zinitix,mode = <2>; + }; + + /* ... */ + }; |