| Message ID | 1447675269-8831-2-git-send-email-mpa@pengutronix.de (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
On Mon, Nov 16, 2015 at 01:01:02PM +0100, Markus Pargmann wrote: > This documentation describes the devicetree bindings for the > ADC/Touchscreen unit of the i.MX25 SoC. > > Signed-off-by: Markus Pargmann <mpa@pengutronix.de> > Acked-by: Jonathan Cameron <jic23@kernel.org> Acked-by: Rob Herring <robh@kernel.org> > --- > > Notes: > Changes in v6: > - Removed adc-ref property and replaced it with refp and refn for positive and > negative references. The properties are optional now as the default > behaviour is a positive internal reference voltage and ADC GND as negative > reference. > > .../devicetree/bindings/mfd/fsl-imx25-tsadc.txt | 46 ++++++++++++++++++++++ > 1 file changed, 46 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/fsl-imx25-tsadc.txt > > diff --git a/Documentation/devicetree/bindings/mfd/fsl-imx25-tsadc.txt b/Documentation/devicetree/bindings/mfd/fsl-imx25-tsadc.txt > new file mode 100644 > index 000000000000..a857af0eb68c > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/fsl-imx25-tsadc.txt > @@ -0,0 +1,46 @@ > +Freescale mx25 ADC/TSC multifunction device > + > +This device combines two general purpose conversion queues one used for general > +ADC and the other used for touchscreens. > + > +Required properties: > + - compatible: Should be "fsl,imx25-tsadc". > + - reg: Memory range of the device. > + - interrupts: Interrupt for this device as described in > + interrupts/interrupts.txt > + - clocks: An 'ipg' clock defined as described in clocks/clock.txt > + - interrupt-controller: This device is an interrupt controller. It controls > + the interrupts of both conversion queues. > + - #interrupt-cells: Should be '<1>'. > + - #address-cells: Should be '<1>'. > + - #size-cells: Should be '<1>'. > + - ranges > + > +This device includes two conversion queues which can be added as subnodes. > +The first queue is for the touchscreen, the second for general purpose ADC. > + > +Example: > + tscadc: tscadc@50030000 { > + compatible = "fsl,imx25-tsadc"; > + reg = <0x50030000 0xc>; > + interrupts = <46>; > + clocks = <&clks 119>; > + clock-names = "ipg"; > + interrupt-controller; > + #interrupt-cells = <1>; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + > + tsc: tcq@50030400 { > + compatible = "fsl,imx25-tcq"; > + reg = <0x50030400 0x60>; > + ... > + }; > + > + adc: gcq@50030800 { > + compatible = "fsl,imx25-gcq"; > + reg = <0x50030800 0x60>; > + ... > + }; > + }; > -- > 2.6.1 > > -- > To unsubscribe from this list: send the line "unsubscribe devicetree" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Mon, 16 Nov 2015, Markus Pargmann wrote: > This documentation describes the devicetree bindings for the > ADC/Touchscreen unit of the i.MX25 SoC. > > Signed-off-by: Markus Pargmann <mpa@pengutronix.de> > Acked-by: Jonathan Cameron <jic23@kernel.org> > --- > > Notes: > Changes in v6: > - Removed adc-ref property and replaced it with refp and refn for positive and > negative references. The properties are optional now as the default > behaviour is a positive internal reference voltage and ADC GND as negative > reference. > > .../devicetree/bindings/mfd/fsl-imx25-tsadc.txt | 46 ++++++++++++++++++++++ > 1 file changed, 46 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/fsl-imx25-tsadc.txt > > diff --git a/Documentation/devicetree/bindings/mfd/fsl-imx25-tsadc.txt b/Documentation/devicetree/bindings/mfd/fsl-imx25-tsadc.txt > new file mode 100644 > index 000000000000..a857af0eb68c > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/fsl-imx25-tsadc.txt > @@ -0,0 +1,46 @@ > +Freescale mx25 ADC/TSC multifunction device Prefer "MX25" and "MultiFunction Device (MFD)" > +This device combines two general purpose conversion queues one used for general > +ADC and the other used for touchscreens. > + > +Required properties: > + - compatible: Should be "fsl,imx25-tsadc". > + - reg: Memory range of the device. Not exactly. More like start location and size. > + - interrupts: Interrupt for this device as described in > + interrupts/interrupts.txt No such file. In any case, I'd prefer: "(See: ../interrupt-controller/interrupts.txt)". > + - clocks: An 'ipg' clock defined as described in clocks/clock.txt Didn't you check any of what you've written? "(See: ../clock/clock-bindings.txt)" > + - interrupt-controller: This device is an interrupt controller. It controls > + the interrupts of both conversion queues. > + - #interrupt-cells: Should be '<1>'. > + - #address-cells: Should be '<1>'. > + - #size-cells: Should be '<1>'. > + - ranges ? Also, don't think think that this looks better/easier to read? > +Required properties: > + - compatible: Should be "fsl,imx25-tsadc". > + - reg: Memory range of the device. > + - interrupts: Interrupt for this device as described in > + interrupts/interrupts.txt > + - clocks: An 'ipg' clock defined as described in clocks/clock.txt > + - interrupt-controller: This device is an interrupt controller. It controls > + the interrupts of both conversion queues. > + - #interrupt-cells: Should be '<1>'. > + - #address-cells: Should be '<1>'. > + - #size-cells: Should be '<1>'. [...] > +This device includes two conversion queues which can be added as subnodes. > +The first queue is for the touchscreen, the second for general purpose ADC. > + > +Example: > + tscadc: tscadc@50030000 { > + compatible = "fsl,imx25-tsadc"; > + reg = <0x50030000 0xc>; > + interrupts = <46>; > + clocks = <&clks 119>; > + clock-names = "ipg"; I don't think this is required, if you only have a single clock. > + interrupt-controller; > + #interrupt-cells = <1>; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + > + tsc: tcq@50030400 { > + compatible = "fsl,imx25-tcq"; > + reg = <0x50030400 0x60>; > + ... > + }; > + > + adc: gcq@50030800 { > + compatible = "fsl,imx25-gcq"; > + reg = <0x50030800 0x60>; > + ... > + }; > + };
On Monday 23 November 2015 14:59:52 Lee Jones wrote: > On Mon, 16 Nov 2015, Markus Pargmann wrote: > > > This documentation describes the devicetree bindings for the > > ADC/Touchscreen unit of the i.MX25 SoC. > > > > Signed-off-by: Markus Pargmann <mpa@pengutronix.de> > > Acked-by: Jonathan Cameron <jic23@kernel.org> > > --- > > > > Notes: > > Changes in v6: > > - Removed adc-ref property and replaced it with refp and refn for positive and > > negative references. The properties are optional now as the default > > behaviour is a positive internal reference voltage and ADC GND as negative > > reference. > > > > .../devicetree/bindings/mfd/fsl-imx25-tsadc.txt | 46 ++++++++++++++++++++++ > > 1 file changed, 46 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/mfd/fsl-imx25-tsadc.txt > > > > diff --git a/Documentation/devicetree/bindings/mfd/fsl-imx25-tsadc.txt b/Documentation/devicetree/bindings/mfd/fsl-imx25-tsadc.txt > > new file mode 100644 > > index 000000000000..a857af0eb68c > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/mfd/fsl-imx25-tsadc.txt > > @@ -0,0 +1,46 @@ > > +Freescale mx25 ADC/TSC multifunction device > > Prefer "MX25" and "MultiFunction Device (MFD)" Fixed. > > > +This device combines two general purpose conversion queues one used for general > > +ADC and the other used for touchscreens. > > + > > +Required properties: > > + - compatible: Should be "fsl,imx25-tsadc". > > + - reg: Memory range of the device. > > Not exactly. More like start location and size. > > > + - interrupts: Interrupt for this device as described in > > + interrupts/interrupts.txt > > No such file. In any case, I'd prefer: > > "(See: ../interrupt-controller/interrupts.txt)". > > > + - clocks: An 'ipg' clock defined as described in clocks/clock.txt > > Didn't you check any of what you've written? > > "(See: ../clock/clock-bindings.txt)" Seems I didn't check these, sorry. > > > + - interrupt-controller: This device is an interrupt controller. It controls > > + the interrupts of both conversion queues. > > + - #interrupt-cells: Should be '<1>'. > > + - #address-cells: Should be '<1>'. > > + - #size-cells: Should be '<1>'. > > + - ranges > > ? > > Also, don't think think that this looks better/easier to read? Yes a bit, changed it. > > > +Required properties: > > + - compatible: Should be "fsl,imx25-tsadc". > > + - reg: Memory range of the device. > > + - interrupts: Interrupt for this device as described in > > + interrupts/interrupts.txt > > + - clocks: An 'ipg' clock defined as described in clocks/clock.txt > > + - interrupt-controller: This device is an interrupt controller. It controls > > + the interrupts of both conversion queues. > > + - #interrupt-cells: Should be '<1>'. > > + - #address-cells: Should be '<1>'. > > + - #size-cells: Should be '<1>'. > > [...] > > > +This device includes two conversion queues which can be added as subnodes. > > +The first queue is for the touchscreen, the second for general purpose ADC. > > + > > +Example: > > + tscadc: tscadc@50030000 { > > + compatible = "fsl,imx25-tsadc"; > > + reg = <0x50030000 0xc>; > > + interrupts = <46>; > > + clocks = <&clks 119>; > > + clock-names = "ipg"; > > I don't think this is required, if you only have a single clock. I prefer this variation so that you immediately see what the clock is for. The number is not terribly helpful. Thanks, Markus > > > + interrupt-controller; > > + #interrupt-cells = <1>; > > + #address-cells = <1>; > > + #size-cells = <1>; > > + ranges; > > + > > + tsc: tcq@50030400 { > > + compatible = "fsl,imx25-tcq"; > > + reg = <0x50030400 0x60>; > > + ... > > + }; > > + > > + adc: gcq@50030800 { > > + compatible = "fsl,imx25-gcq"; > > + reg = <0x50030800 0x60>; > > + ... > > + }; > > + }; > >
diff --git a/Documentation/devicetree/bindings/mfd/fsl-imx25-tsadc.txt b/Documentation/devicetree/bindings/mfd/fsl-imx25-tsadc.txt new file mode 100644 index 000000000000..a857af0eb68c --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/fsl-imx25-tsadc.txt @@ -0,0 +1,46 @@ +Freescale mx25 ADC/TSC multifunction device + +This device combines two general purpose conversion queues one used for general +ADC and the other used for touchscreens. + +Required properties: + - compatible: Should be "fsl,imx25-tsadc". + - reg: Memory range of the device. + - interrupts: Interrupt for this device as described in + interrupts/interrupts.txt + - clocks: An 'ipg' clock defined as described in clocks/clock.txt + - interrupt-controller: This device is an interrupt controller. It controls + the interrupts of both conversion queues. + - #interrupt-cells: Should be '<1>'. + - #address-cells: Should be '<1>'. + - #size-cells: Should be '<1>'. + - ranges + +This device includes two conversion queues which can be added as subnodes. +The first queue is for the touchscreen, the second for general purpose ADC. + +Example: + tscadc: tscadc@50030000 { + compatible = "fsl,imx25-tsadc"; + reg = <0x50030000 0xc>; + interrupts = <46>; + clocks = <&clks 119>; + clock-names = "ipg"; + interrupt-controller; + #interrupt-cells = <1>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + tsc: tcq@50030400 { + compatible = "fsl,imx25-tcq"; + reg = <0x50030400 0x60>; + ... + }; + + adc: gcq@50030800 { + compatible = "fsl,imx25-gcq"; + reg = <0x50030800 0x60>; + ... + }; + };