From: Ibrahim Tilki <Ibrahim.Tilki@xxxxxxxxxx> Add devicetree binding documentation for Analog Devices MAX313XX RTCs. This combines the new models with the existing max31335 binding. Signed-off-by: Ibrahim Tilki <Ibrahim.Tilki@xxxxxxxxxx> Signed-off-by: Zeynep Arslanbenzer <Zeynep.Arslanbenzer@xxxxxxxxxx> Signed-off-by: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx> --- .../devicetree/bindings/rtc/adi,max31335.yaml | 70 -------- .../devicetree/bindings/rtc/adi,max313xx.yaml | 167 ++++++++++++++++++ 2 files changed, 167 insertions(+), 70 deletions(-) delete mode 100644 Documentation/devicetree/bindings/rtc/adi,max31335.yaml create mode 100644 Documentation/devicetree/bindings/rtc/adi,max313xx.yaml diff --git a/Documentation/devicetree/bindings/rtc/adi,max31335.yaml b/Documentation/devicetree/bindings/rtc/adi,max31335.yaml deleted file mode 100644 index 0125cf6727cc..000000000000 --- a/Documentation/devicetree/bindings/rtc/adi,max31335.yaml +++ /dev/null @@ -1,70 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause -%YAML 1.2 ---- -$id: http://devicetree.org/schemas/rtc/adi,max31335.yaml# -$schema: http://devicetree.org/meta-schemas/core.yaml# - -title: Analog Devices MAX31335 RTC - -maintainers: - - Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx> - -description: - Analog Devices MAX31335 I2C RTC ±2ppm Automotive Real-Time Clock with - Integrated MEMS Resonator. - -allOf: - - $ref: rtc.yaml# - -properties: - compatible: - const: adi,max31335 - - reg: - maxItems: 1 - - interrupts: - maxItems: 1 - - "#clock-cells": - description: - RTC can be used as a clock source through its clock output pin. - const: 0 - - adi,tc-diode: - description: - Select the diode configuration for the trickle charger. - schottky - Schottky diode in series. - standard+schottky - standard diode + Schottky diode in series. - enum: [schottky, standard+schottky] - - trickle-resistor-ohms: - description: - Selected resistor for trickle charger. Should be specified if trickle - charger should be enabled. - enum: [3000, 6000, 11000] - -required: - - compatible - - reg - -unevaluatedProperties: false - -examples: - - | - #include <dt-bindings/interrupt-controller/irq.h> - i2c { - #address-cells = <1>; - #size-cells = <0>; - - rtc@68 { - compatible = "adi,max31335"; - reg = <0x68>; - pinctrl-0 = <&rtc_nint_pins>; - interrupts-extended = <&gpio1 16 IRQ_TYPE_LEVEL_HIGH>; - aux-voltage-chargeable = <1>; - trickle-resistor-ohms = <6000>; - adi,tc-diode = "schottky"; - }; - }; -... diff --git a/Documentation/devicetree/bindings/rtc/adi,max313xx.yaml b/Documentation/devicetree/bindings/rtc/adi,max313xx.yaml new file mode 100644 index 000000000000..e56e5394aa86 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/adi,max313xx.yaml @@ -0,0 +1,167 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +# Copyright 2022 Analog Devices Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/adi,max313xx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices MAX313XX series I2C RTCs + +maintainers: + - Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx> + - Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx> + +description: Analog Devices MAX313XX series I2C RTCs. + +properties: + compatible: + enum: + - adi,max31328 + - adi,max31329 + - adi,max31331 + - adi,max31334 + - adi,max31335 + - adi,max31341 + - adi,max31342 + - adi,max31343 + + reg: + description: I2C address of the RTC + items: + - enum: [0x68, 0x69] + + interrupts: + description: + Alarm1 interrupt line of the RTC. Some of the RTCs have two interrupt + lines and alarm1 interrupt muxing depends on the clockin/clockout + configuration. + maxItems: 1 + + "#clock-cells": + description: + RTC can be used as a clock source through its clock output pin when + supplied. + const: 0 + + clocks: + description: + RTC uses this clock for clock input when supplied. Clock has to provide + one of these four frequencies - 1Hz, 50Hz, 60Hz or 32.768kHz. + maxItems: 1 + + adi,tc-diode: + description: + Select the diode configuration for the trickle charger. + schottky - Schottky diode in series. + standard+schottky - standard diode + Schottky diode in series. + enum: [schottky, standard+schottky] + + trickle-resistor-ohms: + description: + Selected resistor for trickle charger. Should be specified if trickle + charger should be enabled. + enum: [3000, 6000, 11000] + +required: + - compatible + - reg + +allOf: + - $ref: rtc.yaml# + - if: + properties: + compatible: + contains: + enum: + - adi,max31328 + - adi,max31342 + + then: + properties: + aux-voltage-chargeable: false + trickle-resistor-ohms: false + + - if: + properties: + compatible: + contains: + enum: + - adi,max31328 + - adi,max31331 + - adi,max31334 + - adi,max31335 + - adi,max31343 + + then: + properties: + clocks: false + + - if: + properties: + compatible: + contains: + enum: + - adi,max31341 + - adi,max31342 + + then: + properties: + reg: + items: + - const: 0x69 + + else: + properties: + reg: + items: + - const: 0x68 + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + rtc@68 { + reg = <0x68>; + compatible = "adi,max31329"; + clocks = <&clkin>; + interrupt-parent = <&gpio>; + interrupts = <26 IRQ_TYPE_EDGE_FALLING>; + aux-voltage-chargeable = <1>; + trickle-resistor-ohms = <6000>; + adi,tc-diode = "schottky"; + }; + }; + - | + #include <dt-bindings/interrupt-controller/irq.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + rtc@68 { + compatible = "adi,max31335"; + reg = <0x68>; + pinctrl-0 = <&rtc_nint_pins>; + interrupts-extended = <&gpio1 16 IRQ_TYPE_LEVEL_HIGH>; + aux-voltage-chargeable = <1>; + trickle-resistor-ohms = <6000>; + adi,tc-diode = "schottky"; + }; + }; + - | + #include <dt-bindings/interrupt-controller/irq.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + rtc@68 { + reg = <0x68>; + compatible = "adi,max31331"; + #clock-cells = <0>; + }; + }; +... -- 2.43.2
