From: mpa@pengutronix.de (Markus Pargmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v7 2/8] ARM: dt: Binding documentation for imx25 GCQ
Date: Tue, 3 Mar 2015 08:58:12 +0100 [thread overview]
Message-ID: <1425369498-25541-3-git-send-email-mpa@pengutronix.de> (raw)
In-Reply-To: <1425369498-25541-1-git-send-email-mpa@pengutronix.de>
The documentation describes the bindings for the imx25 GCQ unit which is
essentially a generic conversion queue using the imx25 ADC.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
---
Notes:
Changes in v6:
- Changed bindings to use adc-refp and adc-refn. Also a bit of cleanup in the
setup routine.
Changes in v5:
- Fixed locking
- Removed module owner
.../devicetree/bindings/iio/adc/fsl,imx25-gcq.txt | 54 ++++++++++++++++++++++
1 file changed, 54 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt
diff --git a/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt b/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt
new file mode 100644
index 000000000000..9f7c08990034
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt
@@ -0,0 +1,54 @@
+Freescale i.MX25 ADC GCQ device
+
+This is a generic conversion queue device that can convert any of the
+analog inputs using the ADC unit of the i.MX25.
+
+Required properties:
+ - compatible: Should be "fsl,imx25-gcq".
+ - reg: Should be the register range of the module.
+ - interrupts: Should be the interrupt number of the module.
+ Typically this is <1>.
+ - interrupt-parent: phandle to the tsadc module of the i.MX25.
+ - #address-cells: Should be <1> (setting for the subnodes)
+ - #size-cells: Should be <0> (setting for the subnodes)
+
+Optional properties:
+ - vref-supply: The regulator supplying the ADC reference voltage.
+ Required when at least one subnode uses the external reference.
+
+Sub-nodes:
+Optionally you can define subnodes which define the reference voltage
+for the analog inputs.
+
+Required properties for subnodes:
+ - reg: Should be the number of the analog input.
+ 0: xp
+ 1: yp
+ 2: xn
+ 3: yn
+ 4: wiper
+ 5: inaux0
+ 6: inaux1
+ 7: inaux2
+Optional properties for subnodes:
+ - fsl,adc-refp: specifies the positive reference input as defined in
+ <dt-bindings/iio/adc/fsl-imx25-gcq.h>
+ - fsl,adc-refn: specifies the negative reference input as defined in
+ <dt-bindings/iio/adc/fsl-imx25-gcq.h>
+
+Example:
+
+ adc: adc at 50030800 {
+ compatible = "fsl,imx25-gcq";
+ reg = <0x50030800 0x60>;
+ interrupt-parent = <&tscadc>;
+ interrupts = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ inaux at 5 {
+ reg = <5>;
+ fsl,adc-refp = <MX25_ADC_REF_INT>;
+ fsl,adc-refn = <MX25_ADC_REF_NGND>;
+ };
+ };
--
2.1.4
next prev parent reply other threads:[~2015-03-03 7:58 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-03 7:58 [PATCH v7 0/8] imx25 adc and touchscreen driver Markus Pargmann
2015-03-03 7:58 ` [PATCH v7 1/8] ARM: dt: Binding documentation for imx25 ADC/TSC Markus Pargmann
2015-03-03 9:02 ` Arnd Bergmann
2015-03-05 7:12 ` Markus Pargmann
2015-03-06 12:53 ` Fabio Estevam
2015-03-07 18:07 ` Jonathan Cameron
2015-03-07 17:31 ` Jonathan Cameron
2015-03-03 7:58 ` Markus Pargmann [this message]
2015-03-07 17:33 ` [PATCH v7 2/8] ARM: dt: Binding documentation for imx25 GCQ Jonathan Cameron
2015-03-03 7:58 ` [PATCH v7 3/8] ARM: dt: Binding documentation for imx25 touchscreen controller Markus Pargmann
2015-03-07 17:37 ` Jonathan Cameron
2015-03-24 16:10 ` Markus Pargmann
2015-03-03 7:58 ` [PATCH v7 4/8] mfd: fsl imx25 Touchscreen ADC driver Markus Pargmann
2015-03-07 17:52 ` Jonathan Cameron
2015-03-09 9:20 ` Markus Pargmann
2015-03-09 9:27 ` Lee Jones
2015-03-24 14:33 ` Markus Pargmann
2015-06-13 23:46 ` Hartmut Knaack
2015-03-03 7:58 ` [PATCH v7 5/8] iio: adc: fsl,imx25-gcq driver Markus Pargmann
2015-03-07 18:03 ` Jonathan Cameron
2015-03-09 9:22 ` Markus Pargmann
2015-06-14 0:04 ` Hartmut Knaack
2015-03-03 7:58 ` [PATCH v7 6/8] input: touchscreen: imx25 tcq driver Markus Pargmann
2015-03-03 7:58 ` [PATCH v7 7/8] ARM: dts: imx25: Add TSC and ADC support Markus Pargmann
2015-03-03 7:58 ` [PATCH v7 8/8] ARM: imx_v4_v5_defconfig: Add I.MX25 Touchscreen controller " Markus Pargmann
2015-03-07 18:24 ` [PATCH v7 0/8] imx25 adc and touchscreen driver Jonathan Cameron
2015-03-09 9:24 ` Markus Pargmann
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=1425369498-25541-3-git-send-email-mpa@pengutronix.de \
--to=mpa@pengutronix.de \
--cc=linux-arm-kernel@lists.infradead.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).