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author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2024-02-08 18:23:38 +0300 |
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committer | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2024-02-26 21:02:26 +0300 |
commit | f6815c79d2292cbb1e2305e44b733d01fb33f65f (patch) | |
tree | 9ae8ed419731cda1e39514a76c87321e397cf3ee | |
parent | a459b2707abd417a502d9fc5e7a1f43a2d7bef2e (diff) | |
download | linux-f6815c79d2292cbb1e2305e44b733d01fb33f65f.tar.xz |
dt-bindings: auxdisplay: Add Maxim MAX6958/6959
Add initial device tree documentation for Maxim MAX6958/6959.
As per reviewer's request mention the fact of absence the reset
and power enable pins, since the hardware is quite simple.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
-rw-r--r-- | Documentation/devicetree/bindings/auxdisplay/maxim,max6959.yaml | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/auxdisplay/maxim,max6959.yaml b/Documentation/devicetree/bindings/auxdisplay/maxim,max6959.yaml new file mode 100644 index 000000000000..20dd9e8c8190 --- /dev/null +++ b/Documentation/devicetree/bindings/auxdisplay/maxim,max6959.yaml @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/auxdisplay/maxim,max6959.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MAX6958/6959 7-segment LED display controller + +maintainers: + - Andy Shevchenko <andriy.shevchenko@linux.intel.com> + +description: + The Maxim MAX6958/6959 7-segment LED display controller provides + an I2C interface to up to four 7-segment LED digits. The MAX6959, + in comparison to MAX6958, adds input support. Type of the chip can + be autodetected via specific register read, and hence the features + may be enabled in the driver at run-time, in case they are requested + via Device Tree. A given hardware is simple and does not provide + any additional pins, such as reset or power enable. + +properties: + compatible: + const: maxim,max6959 + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + display-controller@38 { + compatible = "maxim,max6959"; + reg = <0x38>; + }; + }; |