diff options
Diffstat (limited to 'dts/Bindings/input')
| -rw-r--r-- | dts/Bindings/input/ads7846.txt | 2 | ||||
| -rw-r--r-- | dts/Bindings/input/gpio-keys.txt | 10 | ||||
| -rw-r--r-- | dts/Bindings/input/touchscreen/brcm,iproc-touchscreen.txt | 23 | ||||
| -rw-r--r-- | dts/Bindings/input/touchscreen/fsl-mx25-tcq.txt | 2 |
4 files changed, 24 insertions, 13 deletions
diff --git a/dts/Bindings/input/ads7846.txt b/dts/Bindings/input/ads7846.txt index c6cfe2e3ed..9fc47b006f 100644 --- a/dts/Bindings/input/ads7846.txt +++ b/dts/Bindings/input/ads7846.txt @@ -29,7 +29,7 @@ Optional properties: ti,vref-delay-usecs vref supply delay in usecs, 0 for external vref (u16). ti,vref-mv The VREF voltage, in millivolts (u16). - Set to 0 to use internal refernce + Set to 0 to use internal references (ADS7846). ti,keep-vref-on set to keep vref on for differential measurements as well diff --git a/dts/Bindings/input/gpio-keys.txt b/dts/Bindings/input/gpio-keys.txt index 21641236c0..a94940481e 100644 --- a/dts/Bindings/input/gpio-keys.txt +++ b/dts/Bindings/input/gpio-keys.txt @@ -32,17 +32,17 @@ Optional subnode-properties: Example nodes: - gpio_keys { + gpio-keys { compatible = "gpio-keys"; - #address-cells = <1>; - #size-cells = <0>; autorepeat; - button@21 { + + up { label = "GPIO Key UP"; linux,code = <103>; gpios = <&gpio1 0 1>; }; - button@22 { + + down { label = "GPIO Key DOWN"; linux,code = <108>; interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; diff --git a/dts/Bindings/input/touchscreen/brcm,iproc-touchscreen.txt b/dts/Bindings/input/touchscreen/brcm,iproc-touchscreen.txt index 34e3382a06..ac5dff412e 100644 --- a/dts/Bindings/input/touchscreen/brcm,iproc-touchscreen.txt +++ b/dts/Bindings/input/touchscreen/brcm,iproc-touchscreen.txt @@ -2,11 +2,17 @@ Required properties: - compatible: must be "brcm,iproc-touchscreen" -- reg: physical base address of the controller and length of memory mapped - region. +- ts_syscon: handler of syscon node defining physical base + address of the controller and length of memory mapped region. + If this property is selected please make sure MFD_SYSCON config + is enabled in the defconfig file. - clocks: The clock provided by the SOC to driver the tsc -- clock-name: name for the clock +- clock-names: name for the clock - interrupts: The touchscreen controller's interrupt +- address-cells: Specify the number of u32 entries needed in child nodes. + Should set to 1. +- size-cells: Specify number of u32 entries needed to specify child nodes size + in reg property. Should set to 1. Optional properties: - scanning_period: Time between scans. Each step is 1024 us. Valid 1-256. @@ -53,13 +59,18 @@ Optional properties: - touchscreen-inverted-x: X axis is inverted (boolean) - touchscreen-inverted-y: Y axis is inverted (boolean) -Example: +Example: An example of touchscreen node - touchscreen: tsc@0x180A6000 { + ts_adc_syscon: ts_adc_syscon@180a6000 { + compatible = "brcm,iproc-ts-adc-syscon","syscon"; + reg = <0x180a6000 0xc30>; + }; + + touchscreen: touchscreen@180A6000 { compatible = "brcm,iproc-touchscreen"; #address-cells = <1>; #size-cells = <1>; - reg = <0x180A6000 0x40>; + ts_syscon = <&ts_adc_syscon>; clocks = <&adc_clk>; clock-names = "tsc_clk"; interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>; diff --git a/dts/Bindings/input/touchscreen/fsl-mx25-tcq.txt b/dts/Bindings/input/touchscreen/fsl-mx25-tcq.txt index cdf05f9b23..abfcab3edc 100644 --- a/dts/Bindings/input/touchscreen/fsl-mx25-tcq.txt +++ b/dts/Bindings/input/touchscreen/fsl-mx25-tcq.txt @@ -15,7 +15,7 @@ Optional properties: - fsl,pen-debounce-ns: Pen debounce time in nanoseconds. - fsl,pen-threshold: Pen-down threshold for the touchscreen. This is a value between 1 and 4096. It is the ratio between the internal reference voltage - and the measured voltage after the plate was precharged. Resistence between + and the measured voltage after the plate was precharged. Resistance between plates and therefore the voltage decreases with pressure so that a smaller value is equivalent to a higher pressure. - fsl,settling-time-ns: Settling time in nanoseconds. The settling time is before |