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| author |   Adam Ford <aford173@gmail.com> | 2018-03-28 10:51:35 -0500 |
|---|---|---|
| committer |   Tony Lindgren <tony@atomide.com> | 2018-05-01 08:05:06 -0700 |
| commit | 121685b146247c47345116fce9ef5628e4e6cfff (patch) | |
| tree | 54aa6807a6f38568c08b0db4b4785ca8a94c532d /arch/arm/boot/dts/logicpd-som-lv.dtsi | |
| parent | Linux 4.17-rc1 (diff) | |
| download | linux-dev-121685b146247c47345116fce9ef5628e4e6cfff.tar.xz linux-dev-121685b146247c47345116fce9ef5628e4e6cfff.zip | |
ARM: dts: logicpd-som-lv: Enable Touchscreen controller
The OMAP35 and DM3730 SOM-LV contains a TSC2004 touch screen
controller connected to I2C3. This patch adds support for this
controller.
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot/dts/logicpd-som-lv.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/logicpd-som-lv.dtsi | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/logicpd-som-lv.dtsi b/arch/arm/boot/dts/logicpd-som-lv.dtsi index b47cac23a04b..5957943a8645 100644 --- a/arch/arm/boot/dts/logicpd-som-lv.dtsi +++ b/arch/arm/boot/dts/logicpd-som-lv.dtsi @@ -91,6 +91,25 @@ pinctrl-names = "default"; pinctrl-0 = <&i2c2_pins>; clock-frequency = <400000>; + + touchscreen: tsc2004@48 { + compatible = "ti,tsc2004"; + reg = <0x48>; + vio-supply = <&vaux1>; + pinctrl-names = "default"; + pinctrl-0 = <&tsc2004_pins>; + interrupts-extended = <&gpio5 25 IRQ_TYPE_EDGE_RISING>; /* gpio 153 */ + + touchscreen-fuzz-x = <4>; + touchscreen-fuzz-y = <7>; + touchscreen-fuzz-pressure = <2>; + touchscreen-size-x = <4096>; + touchscreen-size-y = <4096>; + touchscreen-max-pressure = <2048>; + + ti,x-plate-ohms = <280>; + ti,esd-recovery-timeout-ms = <8000>; + }; }; &i2c3 { @@ -201,6 +220,12 @@ OMAP3_CORE1_IOPAD(0x21bc, PIN_INPUT | MUX_MODE0) /* i2c1_sda.i2c1_sda */ >; }; + + tsc2004_pins: pinmux_tsc2004_pins { + pinctrl-single,pins = < + OMAP3_CORE1_IOPAD(0x2186, PIN_INPUT | MUX_MODE4) /* mcbsp4_dr.gpio_153 */ + >; + }; }; &omap3_pmx_wkup { |