On 8/9/20 6:17 AM, Jonathan Cameron wrote:
From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Simple conversion. This binding already had the
that is necessary, I'm happy to leave it as previously documented.
This commit message doesn't make sense to me. It should probably
just say "this converts the device tree bindings to yml" or so.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Cc: David Lechner <david@xxxxxxxxxxxxxx>
---
.../bindings/iio/adc/ti,ads7950.yaml | 64 +++++++++++++++++++
.../bindings/iio/adc/ti-ads7950.txt | 23 -------
2 files changed, 64 insertions(+), 23 deletions(-)
diff --git a/Documentation/devicetree/bindings/iio/adc/ti,ads7950.yaml b/Documentation/devicetree/bindings/iio/adc/ti,ads7950.yaml
new file mode 100644
index 000000000000..a759d9064718
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/ti,ads7950.yaml
@@ -0,0 +1,64 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/ti,ads7950.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments ADS7950 and similar ADCs
+
+maintainers:
+ - David Lechner <david@xxxxxxxxxxxxxx>
+
+description: |
+ Family of 4-16 channel, 8-12 bit ADCs with SPI interface.
+
+properties:
+ compatible:
+ enum:
+ - ti,ads7950
+ - ti,ads7951
+ - ti,ads7952
+ - ti,ads7953
+ - ti,ads7954
+ - ti,ads7955
+ - ti,ads7956
+ - ti,ads7957
+ - ti,ads7958
+ - ti,ads7959
+ - ti,ads7960
+ - ti,ads7961
+
+ reg:
+ maxItems: 1
+
+ spi-max-frequency: true
According to the datasheet, max frequency is 20MHz, so this can be:
spi-max-frequency:
maximum: 20000000
+
+ vref-supply:
+ description: Supply the 2.5V or 5V reference voltage
Should this say "Supplies ..."?
+
+ "#io-channel-cells":
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - vref-supply
+ - "#io-channel-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ adc@0 {
+ compatible = "ti,ads7957";
+ reg = <0>;
+ vref-supply = <&refin_supply>;
+ spi-max-frequency = <10000000>;
+ #io-channel-cells = <1>;
+ };
+ };
