diff options
| author | Adam Ford <aford173@gmail.com> | 2015-12-20 09:26:15 -0600 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2015-12-21 11:10:40 -0800 |
| commit | 6c95771f8c71cd4dd6ed7ab84a3aea7d509d7704 (patch) | |
| tree | 4c7ac97419eae742edf01701239592368e0eaf3a /arch/arm/boot | |
| parent | fcf589581b3b96fbc3abef716553a182e1156d60 (diff) | |
| download | blackbird-obmc-linux-6c95771f8c71cd4dd6ed7ab84a3aea7d509d7704.tar.gz blackbird-obmc-linux-6c95771f8c71cd4dd6ed7ab84a3aea7d509d7704.zip | |
ARM: OMAP2+: LogicPD Torpedo: Add Touchscreen Support
The development kit uses a TSC2004 chip attached to I2C3.
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot')
| -rw-r--r-- | arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts b/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts index 6854bda5063f..fb13f18c08cc 100644 --- a/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts +++ b/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts @@ -204,6 +204,12 @@ >; }; + tsc2004_pins: pinmux_tsc2004_pins { + pinctrl-single,pins = < + OMAP3_CORE1_IOPAD(0x2186, PIN_INPUT | MUX_MODE4) /* mcbsp4_dr.gpio_153 */ + >; + }; + backlight_pins: pinmux_backlight_pins { pinctrl-single,pins = < OMAP3_CORE1_IOPAD(0x20B8, PIN_OUTPUT | MUX_MODE4) /* gpmc_ncs5.gpio_56 */ @@ -262,6 +268,27 @@ }; }; +&i2c3 { + 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>; + }; +}; + &uart1 { interrupts-extended = <&intc 72 &omap3_pmx_core OMAP3_UART1_RX>; }; |
