Re: [PATCH v4 2/3] dt-bindings: iio: adc: add bindings for mcp3911
On Wed, 8 Aug 2018 10:09:16 +0200
Marcus Folkesson wrote:
> MCP3911 is a dual channel Analog Front End (AFE) containing two
> synchronous sampling delta-sigma Analog-to-Digital Converters (ADC).
>
> Co-Developed-by: Kent Gustavsson
> Signed-off-by: Kent Gustavsson
> Signed-off-by: Marcus Folkesson
> Reviewed-by: Rob Herring
Applied to the togreg branch of iio.git and pushed out as testing for
the autobuilders to play with it.
thanks,
Jonathan
> ---
>
> Notes:
> v4:
> - remove reference to Documentation/.../interrupts.txt
> - add Kent as co-developer
> v3:
> - add bindings for interrupt
> - prefix device-addr with `microchip`
> - drop `clock-names`
> v2:
> - drop channel width
> - drop `external_vref`
> - replace `external-clock` with proper clock bindings
>
> .../devicetree/bindings/iio/adc/mcp3911.txt| 30
> ++
> 1 file changed, 30 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/iio/adc/mcp3911.txt
>
> diff --git a/Documentation/devicetree/bindings/iio/adc/mcp3911.txt
> b/Documentation/devicetree/bindings/iio/adc/mcp3911.txt
> new file mode 100644
> index ..3071f48fb30b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/mcp3911.txt
> @@ -0,0 +1,30 @@
> +* Microchip MCP3911 Dual channel analog front end (ADC)
> +
> +Required properties:
> + - compatible: Should be "microchip,mcp3911"
> + - reg: SPI chip select number for the device
> +
> +Recommended properties:
> + - spi-max-frequency: Definition as per
> + Documentation/devicetree/bindings/spi/spi-bus.txt.
> + Max frequency for this chip is 20MHz.
> +
> +Optional properties:
> + - clocks: Phandle and clock identifier for sampling clock
> + - interrupt-parent: Phandle to the parent interrupt controller
> + - interrupts: IRQ line for the ADC
> + - microchip,device-addr: Device address when multiple MCP3911 chips are
> present on the
> + same SPI bus. Valid values are 0-3. Defaults to 0.
> + - vref-supply: Phandle to the external reference voltage supply.
> +
> +Example:
> +adc@0 {
> + compatible = "microchip,mcp3911";
> + reg = <0>;
> + interrupt-parent = <>;
> + interrupts = <15 IRQ_TYPE_EDGE_RISING>;
> + spi-max-frequency = <2000>;
> + microchip,device-addr = <0>;
> + vref-supply = <_reg>;
> + clocks = <>;
> +};
Re: [PATCH v4 2/3] dt-bindings: iio: adc: add bindings for mcp3911
On Wed, 8 Aug 2018 10:09:16 +0200
Marcus Folkesson wrote:
> MCP3911 is a dual channel Analog Front End (AFE) containing two
> synchronous sampling delta-sigma Analog-to-Digital Converters (ADC).
>
> Co-Developed-by: Kent Gustavsson
> Signed-off-by: Kent Gustavsson
> Signed-off-by: Marcus Folkesson
> Reviewed-by: Rob Herring
Applied to the togreg branch of iio.git and pushed out as testing for
the autobuilders to play with it.
thanks,
Jonathan
> ---
>
> Notes:
> v4:
> - remove reference to Documentation/.../interrupts.txt
> - add Kent as co-developer
> v3:
> - add bindings for interrupt
> - prefix device-addr with `microchip`
> - drop `clock-names`
> v2:
> - drop channel width
> - drop `external_vref`
> - replace `external-clock` with proper clock bindings
>
> .../devicetree/bindings/iio/adc/mcp3911.txt| 30
> ++
> 1 file changed, 30 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/iio/adc/mcp3911.txt
>
> diff --git a/Documentation/devicetree/bindings/iio/adc/mcp3911.txt
> b/Documentation/devicetree/bindings/iio/adc/mcp3911.txt
> new file mode 100644
> index ..3071f48fb30b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/mcp3911.txt
> @@ -0,0 +1,30 @@
> +* Microchip MCP3911 Dual channel analog front end (ADC)
> +
> +Required properties:
> + - compatible: Should be "microchip,mcp3911"
> + - reg: SPI chip select number for the device
> +
> +Recommended properties:
> + - spi-max-frequency: Definition as per
> + Documentation/devicetree/bindings/spi/spi-bus.txt.
> + Max frequency for this chip is 20MHz.
> +
> +Optional properties:
> + - clocks: Phandle and clock identifier for sampling clock
> + - interrupt-parent: Phandle to the parent interrupt controller
> + - interrupts: IRQ line for the ADC
> + - microchip,device-addr: Device address when multiple MCP3911 chips are
> present on the
> + same SPI bus. Valid values are 0-3. Defaults to 0.
> + - vref-supply: Phandle to the external reference voltage supply.
> +
> +Example:
> +adc@0 {
> + compatible = "microchip,mcp3911";
> + reg = <0>;
> + interrupt-parent = <>;
> + interrupts = <15 IRQ_TYPE_EDGE_RISING>;
> + spi-max-frequency = <2000>;
> + microchip,device-addr = <0>;
> + vref-supply = <_reg>;
> + clocks = <>;
> +};
[PATCH v4 2/3] dt-bindings: iio: adc: add bindings for mcp3911
MCP3911 is a dual channel Analog Front End (AFE) containing two
synchronous sampling delta-sigma Analog-to-Digital Converters (ADC).
Co-Developed-by: Kent Gustavsson
Signed-off-by: Kent Gustavsson
Signed-off-by: Marcus Folkesson
Reviewed-by: Rob Herring
---
Notes:
v4:
- remove reference to Documentation/.../interrupts.txt
- add Kent as co-developer
v3:
- add bindings for interrupt
- prefix device-addr with `microchip`
- drop `clock-names`
v2:
- drop channel width
- drop `external_vref`
- replace `external-clock` with proper clock bindings
.../devicetree/bindings/iio/adc/mcp3911.txt| 30 ++
1 file changed, 30 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/mcp3911.txt
diff --git a/Documentation/devicetree/bindings/iio/adc/mcp3911.txt
b/Documentation/devicetree/bindings/iio/adc/mcp3911.txt
new file mode 100644
index ..3071f48fb30b
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/mcp3911.txt
@@ -0,0 +1,30 @@
+* Microchip MCP3911 Dual channel analog front end (ADC)
+
+Required properties:
+ - compatible: Should be "microchip,mcp3911"
+ - reg: SPI chip select number for the device
+
+Recommended properties:
+ - spi-max-frequency: Definition as per
+Documentation/devicetree/bindings/spi/spi-bus.txt.
+Max frequency for this chip is 20MHz.
+
+Optional properties:
+ - clocks: Phandle and clock identifier for sampling clock
+ - interrupt-parent: Phandle to the parent interrupt controller
+ - interrupts: IRQ line for the ADC
+ - microchip,device-addr: Device address when multiple MCP3911 chips are
present on the
+ same SPI bus. Valid values are 0-3. Defaults to 0.
+ - vref-supply: Phandle to the external reference voltage supply.
+
+Example:
+adc@0 {
+ compatible = "microchip,mcp3911";
+ reg = <0>;
+ interrupt-parent = <>;
+ interrupts = <15 IRQ_TYPE_EDGE_RISING>;
+ spi-max-frequency = <2000>;
+ microchip,device-addr = <0>;
+ vref-supply = <_reg>;
+ clocks = <>;
+};
--
2.11.0.rc2
[PATCH v4 2/3] dt-bindings: iio: adc: add bindings for mcp3911
MCP3911 is a dual channel Analog Front End (AFE) containing two
synchronous sampling delta-sigma Analog-to-Digital Converters (ADC).
Co-Developed-by: Kent Gustavsson
Signed-off-by: Kent Gustavsson
Signed-off-by: Marcus Folkesson
Reviewed-by: Rob Herring
---
Notes:
v4:
- remove reference to Documentation/.../interrupts.txt
- add Kent as co-developer
v3:
- add bindings for interrupt
- prefix device-addr with `microchip`
- drop `clock-names`
v2:
- drop channel width
- drop `external_vref`
- replace `external-clock` with proper clock bindings
.../devicetree/bindings/iio/adc/mcp3911.txt| 30 ++
1 file changed, 30 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/mcp3911.txt
diff --git a/Documentation/devicetree/bindings/iio/adc/mcp3911.txt
b/Documentation/devicetree/bindings/iio/adc/mcp3911.txt
new file mode 100644
index ..3071f48fb30b
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/mcp3911.txt
@@ -0,0 +1,30 @@
+* Microchip MCP3911 Dual channel analog front end (ADC)
+
+Required properties:
+ - compatible: Should be "microchip,mcp3911"
+ - reg: SPI chip select number for the device
+
+Recommended properties:
+ - spi-max-frequency: Definition as per
+Documentation/devicetree/bindings/spi/spi-bus.txt.
+Max frequency for this chip is 20MHz.
+
+Optional properties:
+ - clocks: Phandle and clock identifier for sampling clock
+ - interrupt-parent: Phandle to the parent interrupt controller
+ - interrupts: IRQ line for the ADC
+ - microchip,device-addr: Device address when multiple MCP3911 chips are
present on the
+ same SPI bus. Valid values are 0-3. Defaults to 0.
+ - vref-supply: Phandle to the external reference voltage supply.
+
+Example:
+adc@0 {
+ compatible = "microchip,mcp3911";
+ reg = <0>;
+ interrupt-parent = <>;
+ interrupts = <15 IRQ_TYPE_EDGE_RISING>;
+ spi-max-frequency = <2000>;
+ microchip,device-addr = <0>;
+ vref-supply = <_reg>;
+ clocks = <>;
+};
--
2.11.0.rc2
