From: Philippe Schenker <dev@pschenker.ch>
To: Jonathan Cameron <jic23@kernel.org>, linux-iio@vger.kernel.org
Cc: Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
Marcel Ziswiler <marcel.ziswiler@toradex.com>,
Philippe Schenker <philippe.schenker@toradex.com>
Subject: [PATCH 3/3] ARM: dts: Add stmpe-adc driver to relevant devicetrees
Date: Tue, 6 Nov 2018 17:41:16 +0100 [thread overview]
Message-ID: <20181106164116.6299-3-dev@pschenker.ch> (raw)
In-Reply-To: <20181106164116.6299-1-dev@pschenker.ch>
From: Philippe Schenker <philippe.schenker@toradex.com>
Activate the stmpe-adc driver as found on Apalis/Colibri iMX6/T30 modules
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
---
arch/arm/boot/dts/imx6qdl-apalis.dtsi | 14 ++++++++++++++
arch/arm/boot/dts/imx6qdl-colibri.dtsi | 14 ++++++++++++++
arch/arm/boot/dts/tegra30-apalis.dtsi | 14 ++++++++++++++
arch/arm/boot/dts/tegra30-colibri.dtsi | 14 ++++++++++++++
4 files changed, 56 insertions(+)
diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
index 3dc99dd8dde1..10ba925be35a 100644
--- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
@@ -356,6 +356,20 @@
/* 5 ms touch detect interrupt delay */
st,touch-det-delay = <5>;
};
+
+ stmpe_adc {
+ compatible = "st,stmpe-adc";
+ /* 3.25 MHz ADC clock speed */
+ st,adc-freq = <1>;
+ /* 12-bit ADC */
+ st,mod-12b = <1>;
+ /* internal ADC reference */
+ st,ref-sel = <0>;
+ /* ADC converstion time: 80 clocks */
+ st,sample-time = <4>;
+ /* forbid to use ADC channels 3-0 (touch) */
+ st,norequest-mask = <0x0F>;
+ };
};
};
diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx6qdl-colibri.dtsi
index 87e15e7cb32b..2c11dc33526c 100644
--- a/arch/arm/boot/dts/imx6qdl-colibri.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-colibri.dtsi
@@ -287,6 +287,20 @@
/* 5 ms touch detect interrupt delay */
st,touch-det-delay = <5>;
};
+
+ stmpe_adc {
+ compatible = "st,stmpe-adc";
+ /* 3.25 MHz ADC clock speed */
+ st,adc-freq = <1>;
+ /* 12-bit ADC */
+ st,mod-12b = <1>;
+ /* internal ADC reference */
+ st,ref-sel = <0>;
+ /* ADC converstion time: 80 clocks */
+ st,sample-time = <4>;
+ /* forbid to use ADC channels 3-0 (touch) */
+ st,norequest-mask = <0x0F>;
+ };
};
};
diff --git a/arch/arm/boot/dts/tegra30-apalis.dtsi b/arch/arm/boot/dts/tegra30-apalis.dtsi
index 7f112f192fe9..1fd3c1f60478 100644
--- a/arch/arm/boot/dts/tegra30-apalis.dtsi
+++ b/arch/arm/boot/dts/tegra30-apalis.dtsi
@@ -1001,6 +1001,20 @@
/* 5 ms touch detect interrupt delay */
st,touch-det-delay = <5>;
};
+
+ stmpe_adc {
+ compatible = "st,stmpe-adc";
+ /* 3.25 MHz ADC clock speed */
+ st,adc-freq = <1>;
+ /* 12-bit ADC */
+ st,mod-12b = <1>;
+ /* internal ADC reference */
+ st,ref-sel = <0>;
+ /* ADC converstion time: 80 clocks */
+ st,sample-time = <4>;
+ /* forbid to use ADC channels 3-0 (touch) */
+ st,norequest-mask = <0x0F>;
+ };
};
/*
diff --git a/arch/arm/boot/dts/tegra30-colibri.dtsi b/arch/arm/boot/dts/tegra30-colibri.dtsi
index 35af03ca9e90..d9fe112eb5ad 100644
--- a/arch/arm/boot/dts/tegra30-colibri.dtsi
+++ b/arch/arm/boot/dts/tegra30-colibri.dtsi
@@ -870,6 +870,20 @@
/* 5 ms touch detect interrupt delay */
st,touch-det-delay = <5>;
};
+
+ stmpe_adc {
+ compatible = "st,stmpe-adc";
+ /* 3.25 MHz ADC clock speed */
+ st,adc-freq = <1>;
+ /* 12-bit ADC */
+ st,mod-12b = <1>;
+ /* internal ADC reference */
+ st,ref-sel = <0>;
+ /* ADC converstion time: 80 clocks */
+ st,sample-time = <4>;
+ /* forbid to use ADC channels 3-0 (touch) */
+ st,norequest-mask = <0x0F>;
+ };
};
/*
--
2.19.1
next prev parent reply other threads:[~2018-11-06 16:41 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-06 16:41 [PATCH 1/3] iio: adc: add STMPE ADC driver using IIO framework Philippe Schenker
2018-11-06 16:41 ` [PATCH 2/3] iio: adc: add STMPE ADC devicetree bindings Philippe Schenker
2018-11-11 15:42 ` Jonathan Cameron
2018-11-11 15:46 ` Jonathan Cameron
2018-11-15 9:38 ` Philippe Schenker
2018-11-16 18:30 ` Jonathan Cameron
2018-11-06 16:41 ` Philippe Schenker [this message]
2018-11-11 16:00 ` [PATCH 1/3] iio: adc: add STMPE ADC driver using IIO framework Jonathan Cameron
2018-11-15 9:38 ` Philippe Schenker
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