From: Rafał Miłecki <rafal@xxxxxxxxxx> This block is called timer in documentation but it actually behaves like a MFD. Signed-off-by: Rafał Miłecki <rafal@xxxxxxxxxx> --- .../bindings/mfd/brcm,timer-mfd.yaml | 64 +++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/brcm,timer-mfd.yaml diff --git a/Documentation/devicetree/bindings/mfd/brcm,timer-mfd.yaml b/Documentation/devicetree/bindings/mfd/brcm,timer-mfd.yaml new file mode 100644 index 000000000000..0060b6c443a7 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/brcm,timer-mfd.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/brcm,timer-mfd.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom's timer MFD + +maintainers: + - Rafał Miłecki <rafal@xxxxxxxxxx> + +description: | + Broadcom's timer is a block used in multiple SoCs (e.g., BCM4908, BCM63xx, + BCM7038). Despite its name it's not strictly a timer device. It consists of: + timers, watchdog and software reset handler. + +properties: + compatible: + items: + - const: brcm,timer-mfd + - const: simple-mfd + - const: syscon + + reg: + maxItems: 1 + + ranges: true + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + +patternProperties: + '^watchdog@[a-f0-9]+$': + $ref: ../watchdog/brcm,bcm7038-wdt.yaml + +additionalProperties: false + +required: + - reg + +examples: + - | + timer_mfd: timer-mfd@ff800400 { + compatible = "brcm,timer-mfd", "simple-mfd", "syscon"; + reg = <0xff800400 0x4c>; + ranges = <0x0 0xff800400 0x4c>; + #address-cells = <1>; + #size-cells = <1>; + + watchdog@28 { + compatible = "brcm,bcm7038-wdt"; + reg = <0x28 0x8>; + }; + }; + + reboot { + compatible = "syscon-reboot"; + regmap = <&timer_mfd>; + offset = <0x34>; + mask = <1>; + }; -- 2.31.1
