All of lore.kernel.org
 help / color / mirror / Atom feed
From: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
To: Kukjin Kim <kgene.kim@samsung.com>
Cc: Sjoerd Simons <sjoerd.simons@collabora.co.uk>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Nick Dyer <nick.dyer@itdev.co.uk>,
	Stephen Warren <swarren@nvidia.com>,
	Yufeng Shen <miletus@chromium.org>,
	Benson Leung <bleung@chromium.org>,
	Doug Anderson <dianders@chromium.org>,
	Olof Johansson <olof@lixom.net>,
	linux-input@vger.kernel.org, devicetree@vger.kernel.org,
	linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org,
	Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Subject: [PATCH 1/1] ARM: dts: Add Peach Pit and Pi dts entry for atmel touchpad
Date: Thu,  7 Aug 2014 03:08:33 +0200	[thread overview]
Message-ID: <1407373713-26281-1-git-send-email-javier.martinez@collabora.co.uk> (raw)

From: Sjoerd Simons <sjoerd.simons@collabora.co.uk>

The Peach Pit and Pi boards have an Atmel maXTouch device.
Add the needed Device Tree nodes to support it.

Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
[javier.martinez: added linux,gpio-keymap property and changed IRQ type]
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
---

With only this patch the touchpad is probed but interrupts are not being
generated. The following is needed to have a fully functional touchpad:

[PATCH 1/2] "Input: atmel_mxt_ts - Get IRQ edge/level flags on DT booting"
https://lkml.org/lkml/2014/8/6/585

 arch/arm/boot/dts/exynos5420-peach-pit.dts | 29 +++++++++++++++++++++++++++++
 arch/arm/boot/dts/exynos5800-peach-pi.dts  | 29 +++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+)

diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts
index 228a6b1..7dce444 100644
--- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
+++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
@@ -11,6 +11,7 @@
 /dts-v1/;
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
 #include "exynos5420.dtsi"
 
 / {
@@ -157,6 +158,27 @@
 	};
 };
 
+&hsi2c_8 {
+	status = "okay";
+	clock-frequency = <333000>;
+
+	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 = < BTN_LEFT
+				      BTN_TOOL_FINGER
+				      BTN_TOOL_DOUBLETAP
+				      BTN_TOOL_TRIPLETAP
+				      BTN_TOOL_QUADTAP
+				      BTN_TOOL_QUINTTAP >;
+	};
+};
+
 &hsi2c_9 {
 	status = "okay";
 	clock-frequency = <400000>;
@@ -249,6 +271,13 @@
 		samsung,pin-drv = <0>;
 	};
 
+	trackpad_irq: trackpad-irq {
+		samsung,pins = "gpx1-1";
+		samsung,pin-function = <0>;
+		samsung,pin-pud = <0>;
+		samsung,pin-drv = <0>;
+	};
+
 	power_key_irq: power-key-irq {
 		samsung,pins = "gpx1-2";
 		samsung,pin-function = <0>;
diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts
index f3ee48b..de946b3 100644
--- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
+++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
@@ -11,6 +11,7 @@
 /dts-v1/;
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
 #include "exynos5800.dtsi"
 
 / {
@@ -155,6 +156,27 @@
 	};
 };
 
+&hsi2c_8 {
+	status = "okay";
+	clock-frequency = <333000>;
+
+	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 = < BTN_LEFT
+				      BTN_TOOL_FINGER
+				      BTN_TOOL_DOUBLETAP
+				      BTN_TOOL_TRIPLETAP
+				      BTN_TOOL_QUADTAP
+				      BTN_TOOL_QUINTTAP >;
+	};
+};
+
 &hsi2c_9 {
 	status = "okay";
 	clock-frequency = <400000>;
@@ -247,6 +269,13 @@
 		samsung,pin-drv = <0>;
 	};
 
+	trackpad_irq: trackpad-irq {
+		samsung,pins = "gpx1-1";
+		samsung,pin-function = <0>;
+		samsung,pin-pud = <0>;
+		samsung,pin-drv = <0>;
+	};
+
 	power_key_irq: power-key-irq {
 		samsung,pins = "gpx1-2";
 		samsung,pin-function = <0>;
-- 
2.0.0.rc2


             reply	other threads:[~2014-08-07  1:09 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-07  1:08 Javier Martinez Canillas [this message]
2014-08-07  1:35 ` [PATCH 1/1] ARM: dts: Add Peach Pit and Pi dts entry for atmel touchpad Fabio Estevam
2014-08-07  1:49   ` Javier Martinez Canillas
2014-08-07  2:18   ` Doug Anderson

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1407373713-26281-1-git-send-email-javier.martinez@collabora.co.uk \
    --to=javier.martinez@collabora.co.uk \
    --cc=bleung@chromium.org \
    --cc=devicetree@vger.kernel.org \
    --cc=dianders@chromium.org \
    --cc=dmitry.torokhov@gmail.com \
    --cc=kgene.kim@samsung.com \
    --cc=linux-input@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-samsung-soc@vger.kernel.org \
    --cc=miletus@chromium.org \
    --cc=nick.dyer@itdev.co.uk \
    --cc=olof@lixom.net \
    --cc=sjoerd.simons@collabora.co.uk \
    --cc=swarren@nvidia.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.