From: "Rafał Miłecki" <zajec5@gmail.com> To: Lee Jones <lee.jones@linaro.org>, Wim Van Sebroeck <wim@linux-watchdog.org>, Guenter Roeck <linux@roeck-us.net>, Rob Herring <robh+dt@kernel.org> Cc: "Florian Fainelli" <f.fainelli@gmail.com>, "Justin Chen" <justinpopo6@gmail.com>, bcm-kernel-feedback-list@broadcom.com, linux-watchdog@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-mips@vger.kernel.org, "Rafał Miłecki" <rafal@milecki.pl> Subject: [PATCH V2 2/2] dt-bindings: mfd: add Broadcom's Timer-Watchdog block Date: Tue, 2 Nov 2021 17:06:15 +0100 [thread overview] Message-ID: <20211102160615.14672-2-zajec5@gmail.com> (raw) In-Reply-To: <20211102160615.14672-1-zajec5@gmail.com> From: Rafał Miłecki <rafal@milecki.pl> It's a block implementing few time related functions depending on a (SoC specific) variant. At this point there is ready binding for a watchdog only. Work on remaining subblocks (e.g. "reg" based reboot) is in progress. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> --- V2: Update $id, description, compatible, example & commit message --- .../devicetree/bindings/mfd/brcm,twd.yaml | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/brcm,twd.yaml diff --git a/Documentation/devicetree/bindings/mfd/brcm,twd.yaml b/Documentation/devicetree/bindings/mfd/brcm,twd.yaml new file mode 100644 index 000000000000..ed167055be06 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/brcm,twd.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/brcm,twd.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom's Timer-Watchdog (aka TWD) + +maintainers: + - Rafał Miłecki <rafal@milecki.pl> + +description: | + Broadcom has a Timer-Watchdog block used in multiple SoCs (e.g., BCM4908, + BCM63xx, BCM7038). There are few variants available (they differ slightly in + registers layout). This block consists of: timers, watchdog and optionally a + software reset handler. + +properties: + compatible: + items: + - enum: + - brcm,bcm4908-twd + - brcm,bcm7038-twd + - const: brcm,twd + - const: simple-mfd + - const: syscon + + reg: + maxItems: 1 + + ranges: true + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + +patternProperties: + '^watchdog@[a-f0-9]+$': + $ref: /schemas/watchdog/brcm,bcm7038-wdt.yaml + +additionalProperties: false + +required: + - reg + +examples: + - | + timer-mfd@ff800400 { + compatible = "brcm,bcm4908-twd", "brcm,twd", "simple-mfd", "syscon"; + reg = <0xff800400 0x4c>; + ranges = <0x00000000 0xff800400 0x4c>; + + #address-cells = <1>; + #size-cells = <1>; + + watchdog@28 { + compatible = "brcm,bcm7038-wdt"; + reg = <0x28 0x8>; + }; + }; -- 2.31.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: "Rafał Miłecki" <zajec5@gmail.com> To: Lee Jones <lee.jones@linaro.org>, Wim Van Sebroeck <wim@linux-watchdog.org>, Guenter Roeck <linux@roeck-us.net>, Rob Herring <robh+dt@kernel.org> Cc: "Florian Fainelli" <f.fainelli@gmail.com>, "Justin Chen" <justinpopo6@gmail.com>, bcm-kernel-feedback-list@broadcom.com, linux-watchdog@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-mips@vger.kernel.org, "Rafał Miłecki" <rafal@milecki.pl> Subject: [PATCH V2 2/2] dt-bindings: mfd: add Broadcom's Timer-Watchdog block Date: Tue, 2 Nov 2021 17:06:15 +0100 [thread overview] Message-ID: <20211102160615.14672-2-zajec5@gmail.com> (raw) In-Reply-To: <20211102160615.14672-1-zajec5@gmail.com> From: Rafał Miłecki <rafal@milecki.pl> It's a block implementing few time related functions depending on a (SoC specific) variant. At this point there is ready binding for a watchdog only. Work on remaining subblocks (e.g. "reg" based reboot) is in progress. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> --- V2: Update $id, description, compatible, example & commit message --- .../devicetree/bindings/mfd/brcm,twd.yaml | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/brcm,twd.yaml diff --git a/Documentation/devicetree/bindings/mfd/brcm,twd.yaml b/Documentation/devicetree/bindings/mfd/brcm,twd.yaml new file mode 100644 index 000000000000..ed167055be06 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/brcm,twd.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/brcm,twd.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom's Timer-Watchdog (aka TWD) + +maintainers: + - Rafał Miłecki <rafal@milecki.pl> + +description: | + Broadcom has a Timer-Watchdog block used in multiple SoCs (e.g., BCM4908, + BCM63xx, BCM7038). There are few variants available (they differ slightly in + registers layout). This block consists of: timers, watchdog and optionally a + software reset handler. + +properties: + compatible: + items: + - enum: + - brcm,bcm4908-twd + - brcm,bcm7038-twd + - const: brcm,twd + - const: simple-mfd + - const: syscon + + reg: + maxItems: 1 + + ranges: true + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + +patternProperties: + '^watchdog@[a-f0-9]+$': + $ref: /schemas/watchdog/brcm,bcm7038-wdt.yaml + +additionalProperties: false + +required: + - reg + +examples: + - | + timer-mfd@ff800400 { + compatible = "brcm,bcm4908-twd", "brcm,twd", "simple-mfd", "syscon"; + reg = <0xff800400 0x4c>; + ranges = <0x00000000 0xff800400 0x4c>; + + #address-cells = <1>; + #size-cells = <1>; + + watchdog@28 { + compatible = "brcm,bcm7038-wdt"; + reg = <0x28 0x8>; + }; + }; -- 2.31.1
next prev parent reply other threads:[~2021-11-02 16:07 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-11-02 16:06 [PATCH V2 1/2] dt-bindings: watchdog: convert Broadcom's WDT to the json-schema Rafał Miłecki 2021-11-02 16:06 ` Rafał Miłecki 2021-11-02 16:06 ` Rafał Miłecki [this message] 2021-11-02 16:06 ` [PATCH V2 2/2] dt-bindings: mfd: add Broadcom's Timer-Watchdog block Rafał Miłecki 2021-11-12 19:38 ` Rob Herring 2021-11-12 19:38 ` Rob Herring
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