From mboxrd@z Thu Jan 1 00:00:00 1970 From: Quentin Schulz Subject: [PATCH v3 02/16] dt-bindings: iio: adc: add binding for X-Powers AXP PMICs ADC Date: Mon, 15 Jan 2018 11:33:36 +0100 Message-ID: <8191dd8cc334049b8b91a231f9f276b6d0689628.1516012352.git-series.quentin.schulz@free-electrons.com> References: Reply-To: quentin.schulz-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org In-Reply-To: In-Reply-To: References: List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, knaack.h-Mmb7MZpHnFY@public.gmane.org, lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org, pmeerw-jW+XmwGofnusTnJN9+BGXg@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, wens-jdAy2FN1RRM@public.gmane.org, sre-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, linux-I+IVW8TIWO2tmTQ+vhA3Yw@public.gmane.org, maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org, lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org Cc: linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, thomas.petazzoni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, julian.calaby-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, Quentin Schulz List-Id: devicetree@vger.kernel.org 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 and AXP813 ADC bindings. Signed-off-by: Quentin Schulz Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt | 48 +++++++++- 1 file changed, 48 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..7a63139 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt @@ -0,0 +1,48 @@ +* X-Powers AXP ADC bindings + +Required properties: + - compatible: should be one of: + - "x-powers,axp209-adc", + - "x-powers,axp221-adc", + - "x-powers,axp813-adc", + - #io-channel-cells: should be 1, + +Example: + +&axp22x { + adc { + compatible = "x-powers,axp221-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 + +AXP813 +------ + 0 | pmic_temp + 1 | gpio0_v + 2 | batt_v + 3 | batt_chrg_i + 4 | batt_dischrg_i -- git-series 0.9.1