From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Jonathan Cameron <jic23@kernel.org>,
Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>
Cc: <devicetree@vger.kernel.org>,
linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Miquel Raynal <miquel.raynal@bootlin.com>
Subject: [PATCH v3 8/8] dt-bindings: Add max12xx SPI ADC series as trivial devices
Date: Mon, 7 Oct 2019 15:26:57 +0200 [thread overview]
Message-ID: <20191007132657.4190-9-miquel.raynal@bootlin.com> (raw)
In-Reply-To: <20191007132657.4190-1-miquel.raynal@bootlin.com>
Update the compatible list with three Maxim ADCs compatibles.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
---
.../bindings/iio/adc/max1027-adc.txt | 28 +++++++++++++++++++
.../devicetree/bindings/trivial-devices.yaml | 6 ++++
2 files changed, 34 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/max1027-adc.txt
diff --git a/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt b/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt
new file mode 100644
index 000000000000..1b703a01d882
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt
@@ -0,0 +1,28 @@
+* Maxim 1027/1029/1031/1227/1229/1231 Analog to Digital Converter (ADC)
+
+Required properties:
+ - compatible: Should be one of:
+ * "maxim,max1027"
+ * "maxim,max1029"
+ * "maxim,max1031"
+ * "maxim,max1227"
+ * "maxim,max1229"
+ * "maxim,max1231"
+ - reg: SPI chip select number for the device
+
+Optional properties:
+ - interrupts: IRQ line for the ADC
+ see: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
+
+Recommended properties:
+- spi-max-frequency: Definition as per
+ Documentation/devicetree/bindings/spi/spi-bus.txt
+
+Example:
+adc@0 {
+ compatible = "maxim,max1027";
+ reg = <0>;
+ interrupt-parent = <&gpio5>;
+ interrupts = <15 IRQ_TYPE_EDGE_RISING>;
+ spi-max-frequency = <1000000>;
+};
diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
index e0095ecb472f..765fd1c170df 100644
--- a/Documentation/devicetree/bindings/trivial-devices.yaml
+++ b/Documentation/devicetree/bindings/trivial-devices.yaml
@@ -120,6 +120,12 @@ properties:
- maxim,max1029
# 10-bit 16 channels 300ks/s SPI ADC with temperature sensor
- maxim,max1031
+ # 12-bit 8 channels 300ks/s SPI ADC with temperature sensor
+ - maxim,max1227
+ # 12-bit 12 channels 300ks/s SPI ADC with temperature sensor
+ - maxim,max1229
+ # 12-bit 16 channels 300ks/s SPI ADC with temperature sensor
+ - maxim,max1231
# Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs
- maxim,max1237
# PECI-to-I2C translator for PECI-to-SMBus/I2C protocol conversion
--
2.20.1
next prev parent reply other threads:[~2019-10-07 13:27 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-07 13:26 [PATCH v3 0/8] Introduce max12xx ADC support Miquel Raynal
2019-10-07 13:26 ` [PATCH v3 1/8] iio: adc: max1027: Add debugfs register read support Miquel Raynal
2019-10-07 13:26 ` [PATCH v3 2/8] iio: adc: max1027: Make it optional to use interrupts Miquel Raynal
2019-10-07 13:26 ` [PATCH v3 3/8] iio: adc: max1027: Reset the device at probe time Miquel Raynal
2019-10-07 13:26 ` [PATCH v3 4/8] iio: adc: max1027: Prepare the introduction of different resolutions Miquel Raynal
2019-10-07 13:26 ` [PATCH v3 5/8] iio: adc: max1027: Introduce 12-bit devices support Miquel Raynal
2019-10-07 13:26 ` [PATCH v3 6/8] dt-bindings: iio: adc: max1027: Mark interrupts as optional Miquel Raynal
2019-10-07 13:26 ` [PATCH v3 7/8] dt-bindings: Add 1027/1029/1031 SPI ADCs as trivial devices Miquel Raynal
2019-10-07 13:26 ` Miquel Raynal [this message]
2019-10-10 20:47 ` [PATCH v3 8/8] dt-bindings: Add max12xx SPI ADC series " Rob Herring
2019-10-10 21:31 ` Miquel Raynal
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