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[v2,02/16] dt-bindings: iio: adc: add binding for X-Powers AXP PMICs ADC

Message ID bef3ba5e4a2c47f13fa9ba8e6fb0267b7bb15026.1515486346.git-series.quentin.schulz@free-electrons.com (mailing list archive)
State New, archived
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Commit Message

Quentin Schulz Jan. 9, 2018, 9:33 a.m. UTC
X-Powers PMICs have several ADC channels that can be used for different
purposes, e.g. PMIC internal temperature, battery voltage or AC current.

This is the documentation for AXP209, AXP221/223 ADC bindings.

Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
---
 Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt | 39 +++++++++-
 1 file changed, 39 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt

Comments

Rob Herring (Arm) Jan. 11, 2018, 10:07 p.m. UTC | #1
On Tue, Jan 09, 2018 at 10:33:33AM +0100, Quentin Schulz wrote:
> X-Powers PMICs have several ADC channels that can be used for different
> purposes, e.g. PMIC internal temperature, battery voltage or AC current.
> 
> This is the documentation for AXP209, AXP221/223 ADC bindings.
> 
> Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
> ---
>  Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt | 39 +++++++++-
>  1 file changed, 39 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt b/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt
> new file mode 100644
> index 0000000..ed6d04e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt
> @@ -0,0 +1,39 @@
> +* X-Powers AXP ADC bindings
> +
> +Required properties:
> +  - compatible: should be one of:
> +    - "x-powers,axp20x-adc",
> +    - "x-powers,axp22x-adc",
> +  - #io-channel-cells: should be 1,
> +
> +Example:
> +
> +&axp22x {
> +	axp_adc: axp-adc {

adc {

With that,

Reviewed-by: Rob Herring <robh@kernel.org>

> +		compatible = "x-powers,axp22x-adc";
> +		#io-channel-cells = <1>;
> +	};
> +};
> +
> +ADC channels and their indexes per variant:
> +
> +AXP209
> +------
> + 0 | acin_v
> + 1 | acin_i
> + 2 | vbus_v
> + 3 | vbus_i
> + 4 | pmic_temp
> + 5 | gpio0_v
> + 6 | gpio1_v
> + 7 | ipsout_v
> + 8 | batt_v
> + 9 | batt_chrg_i
> +10 | batt_dischrg_i
> +
> +AXP22x
> +------
> + 0 | pmic_temp
> + 1 | batt_v
> + 2 | batt_chrg_i
> + 3 | batt_dischrg_i
> -- 
> git-series 0.9.1
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diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt b/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt
new file mode 100644
index 0000000..ed6d04e
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt
@@ -0,0 +1,39 @@ 
+* X-Powers AXP ADC bindings
+
+Required properties:
+  - compatible: should be one of:
+    - "x-powers,axp20x-adc",
+    - "x-powers,axp22x-adc",
+  - #io-channel-cells: should be 1,
+
+Example:
+
+&axp22x {
+	axp_adc: axp-adc {
+		compatible = "x-powers,axp22x-adc";
+		#io-channel-cells = <1>;
+	};
+};
+
+ADC channels and their indexes per variant:
+
+AXP209
+------
+ 0 | acin_v
+ 1 | acin_i
+ 2 | vbus_v
+ 3 | vbus_i
+ 4 | pmic_temp
+ 5 | gpio0_v
+ 6 | gpio1_v
+ 7 | ipsout_v
+ 8 | batt_v
+ 9 | batt_chrg_i
+10 | batt_dischrg_i
+
+AXP22x
+------
+ 0 | pmic_temp
+ 1 | batt_v
+ 2 | batt_chrg_i
+ 3 | batt_dischrg_i