Messages in this thread Patch in this message | | | From | Javier Martinez Canillas <> | Subject | [PATCH v4 2/3] ARM: dts: Add Peach Pi dts entry for Atmel touchpad | Date | Wed, 10 Sep 2014 13:31:30 +0200 |
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The Peach Pi board has an Atmel maXTouch trackpad device. Add the needed Device Tree nodes to support it.
This Device Tree change is based on the Chrome OS 3.8 tree but adapted to use the mainline Atmel maXTouch DT binding.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> ---
Changes since v3: None, new patch.
arch/arm/boot/dts/exynos5800-peach-pi.dts | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+)
diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts index 88b3544..025a095 100644 --- a/arch/arm/boot/dts/exynos5800-peach-pi.dts +++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts @@ -505,6 +505,27 @@ }; }; +&hsi2c_8 { + status = "okay"; + clock-frequency = <333000>; + /* Atmel mXT540S */ + trackpad@4b { + compatible = "atmel,maxtouch"; + reg = <0x4b>; + interrupt-parent = <&gpx1>; + interrupts = <1 IRQ_TYPE_EDGE_FALLING>; + wakeup-source; + pinctrl-names = "default"; + pinctrl-0 = <&trackpad_irq>; + linux,gpio-keymap = <KEY_RESERVED + KEY_RESERVED + KEY_RESERVED /* GPIO 0 */ + KEY_RESERVED /* GPIO 1 */ + BTN_LEFT /* GPIO 2 */ + KEY_RESERVED>; /* GPIO 3 */ + }; +}; + &hsi2c_9 { status = "okay"; clock-frequency = <400000>; @@ -589,6 +610,13 @@ samsung,pin-drv = <0>; }; + trackpad_irq: trackpad-irq { + samsung,pins = "gpx1-1"; + samsung,pin-function = <0xf>; + samsung,pin-pud = <0>; + samsung,pin-drv = <0>; + }; + power_key_irq: power-key-irq { samsung,pins = "gpx1-2"; samsung,pin-function = <0>; -- 2.1.0
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