Convert the abracon abx80x rtc text bindings to dt-schema format. In addition to the text description reference generic interrupts properties and add an example. Signed-off-by: Josua Mayer <josua@xxxxxxxxxxxxx> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- Changes in v7: - split out of original patchset because it should go by rtc tree - collected reviewed-by from v5 (Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>) - Link to v6: https://lore.kernel.org/r/20240212-add-am64-som-v6-0-b59edb2bc8c3@xxxxxxxxxxxxx --- .../devicetree/bindings/rtc/abracon,abx80x.txt | 31 --------- .../devicetree/bindings/rtc/abracon,abx80x.yaml | 79 ++++++++++++++++++++++ 2 files changed, 79 insertions(+), 31 deletions(-) diff --git a/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt b/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt deleted file mode 100644 index 2405e35a1bc0..000000000000 --- a/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt +++ /dev/null @@ -1,31 +0,0 @@ -Abracon ABX80X I2C ultra low power RTC/Alarm chip - -The Abracon ABX80X family consist of the ab0801, ab0803, ab0804, ab0805, ab1801, -ab1803, ab1804 and ab1805. The ab0805 is the superset of ab080x and the ab1805 -is the superset of ab180x. - -Required properties: - - - "compatible": should one of: - "abracon,abx80x" - "abracon,ab0801" - "abracon,ab0803" - "abracon,ab0804" - "abracon,ab0805" - "abracon,ab1801" - "abracon,ab1803" - "abracon,ab1804" - "abracon,ab1805" - "microcrystal,rv1805" - Using "abracon,abx80x" will enable chip autodetection. - - "reg": I2C bus address of the device - -Optional properties: - -The abx804 and abx805 have a trickle charger that is able to charge the -connected battery or supercap. Both the following properties have to be defined -and valid to enable charging: - - - "abracon,tc-diode": should be "standard" (0.6V) or "schottky" (0.3V) - - "abracon,tc-resistor": should be <0>, <3>, <6> or <11>. 0 disables the output - resistor, the other values are in kOhm. diff --git a/Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml b/Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml new file mode 100644 index 000000000000..58dbbca27deb --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/abracon,abx80x.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Abracon ABX80X I2C ultra low power RTC/Alarm chip + +maintainers: + - linux-rtc@xxxxxxxxxxxxxxx + +allOf: + - $ref: rtc.yaml# + +properties: + compatible: + description: + The wildcard 'abracon,abx80x' may be used to support a mix + of different abracon rtc`s. In this case the driver + must perform auto-detection from ID register. + enum: + - abracon,abx80x + - abracon,ab0801 + - abracon,ab0803 + - abracon,ab0804 + - abracon,ab0805 + - abracon,ab1801 + - abracon,ab1803 + - abracon,ab1804 + - abracon,ab1805 + - microcrystal,rv1805 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + abracon,tc-diode: + description: + Trickle-charge diode type. + Required to enable charging backup battery. + + Supported are 'standard' diodes with a 0.6V drop + and 'schottky' diodes with a 0.3V drop. + $ref: /schemas/types.yaml#/definitions/string + enum: + - standard + - schottky + + abracon,tc-resistor: + description: + Trickle-charge resistor value in kOhm. + Required to enable charging backup battery. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 3, 6, 11] + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + rtc@69 { + compatible = "abracon,abx80x"; + reg = <0x69>; + abracon,tc-diode = "schottky"; + abracon,tc-resistor = <3>; + interrupts = <44 IRQ_TYPE_EDGE_FALLING>; + }; + }; --- base-commit: 6613476e225e090cc9aad49be7fa504e290dd33d change-id: 20240219-rtc-abracon-convert-bindings-50743f95ce2b Best regards, -- Josua Mayer <josua@xxxxxxxxxxxxx>
