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315d11a891
Convert the Texas Instruments OMAP Real Time Clock (RTC) binding from the legacy text format to the DT schema. Mark 'ti,hwmods' as deprecated as it is no longer used, it is kept to support legacy boards. Signed-off-by: Bhargav Joshi <j.bhargav.u@gmail.com> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Link: https://patch.msgid.link/20260804-ti-omap-rtc-v3-4-ba3bbd8af570@gmail.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
141 lines
2.9 KiB
YAML
141 lines
2.9 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/rtc/ti,omap-rtc.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Texas Instruments OMAP Real Time Clock
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maintainers:
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- Keerthy <j-keerthy@ti.com>
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- Afzal Mohammed <afzal@ti.com>
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description:
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The OMAP RTC is a year/month/day/hours/minutes/seconds BCD clock with
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century-range alarm matching, driven by the 32kHz clock.
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properties:
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compatible:
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oneOf:
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- const: ti,da830-rtc
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- items:
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- const: ti,am3352-rtc
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- const: ti,da830-rtc
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- items:
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- const: ti,am4372-rtc
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- const: ti,am3352-rtc
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- const: ti,da830-rtc
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reg:
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maxItems: 1
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interrupts:
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minItems: 2
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maxItems: 2
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system-power-controller:
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type: boolean
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description:
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Indicates that this RTC controls system power via the pmic_power_en pin.
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clocks:
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minItems: 1
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maxItems: 2
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clock-names:
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minItems: 1
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items:
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- enum: [ext-clk, int-clk]
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- const: int-clk
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pinctrl-0:
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description:
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Phandle to pin configuration for the external wakeup pins.
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pinctrl-names:
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minItems: 1
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ti,hwmods:
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$ref: /schemas/types.yaml#/definitions/string
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description:
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Name of the hwmod associated with the RTC.
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const: rtc
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deprecated: true
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patternProperties:
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"^ext-wakeup(-[0-9]+)?$":
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type: object
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description:
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Child node describing external wakeup pin configuration.
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properties:
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pins:
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pattern: '^ext_wakeup[0-3]$'
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input-enable:
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type: boolean
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description:
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Enables the external wakeup input on the selected pin.
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ti,active-high:
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type: boolean
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description:
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Sets the wakeup input polarity to active high. By default the
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input is active low.
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required:
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- pins
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additionalProperties: false
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required:
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- compatible
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- reg
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- interrupts
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allOf:
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- $ref: rtc.yaml#
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- if:
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not:
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properties:
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compatible:
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contains:
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const: ti,am3352-rtc
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then:
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properties:
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system-power-controller: false
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patternProperties:
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"^ext-wakeup(-[0-9]+)?$": false
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unevaluatedProperties: false
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examples:
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- |
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rtc@23000 {
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compatible = "ti,da830-rtc";
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reg = <0x23000 0x1000>;
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interrupts = <19>, <19>;
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clocks = <&clk_32768_ck>;
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clock-names = "int-clk";
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};
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- |
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rtc@0 {
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compatible = "ti,am3352-rtc", "ti,da830-rtc";
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reg = <0x0 0x1000>;
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interrupts = <75>, <76>;
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system-power-controller;
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clocks = <&clk_32k_rtc>, <&clk_32768_ck>;
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clock-names = "ext-clk", "int-clk";
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pinctrl-0 = <&ext_wakeup>;
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pinctrl-names = "default";
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ext-wakeup {
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pins = "ext_wakeup0";
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input-enable;
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ti,active-high;
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};
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};
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