diff options
Diffstat (limited to 'Documentation/devicetree/bindings/watchdog')
8 files changed, 158 insertions, 62 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/davinci-wdt.txt b/Documentation/devicetree/bindings/watchdog/davinci-wdt.txt deleted file mode 100644 index aa10b8ec36e2..000000000000 --- a/Documentation/devicetree/bindings/watchdog/davinci-wdt.txt +++ /dev/null @@ -1,24 +0,0 @@ -Texas Instruments DaVinci/Keystone Watchdog Timer (WDT) Controller - -Required properties: -- compatible : Should be "ti,davinci-wdt", "ti,keystone-wdt" -- reg : Should contain WDT registers location and length - -Optional properties: -- timeout-sec : Contains the watchdog timeout in seconds -- clocks : the clock feeding the watchdog timer. - Needed if platform uses clocks. - See clock-bindings.txt - -Documentation: -Davinci DM646x - https://www.ti.com/lit/ug/spruer5b/spruer5b.pdf -Keystone - https://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf - -Examples: - -wdt: wdt@2320000 { - compatible = "ti,davinci-wdt"; - reg = <0x02320000 0x80>; - timeout-sec = <30>; - clocks = <&clkwdtimer0>; -}; diff --git a/Documentation/devicetree/bindings/watchdog/lpc18xx-wdt.txt b/Documentation/devicetree/bindings/watchdog/lpc18xx-wdt.txt deleted file mode 100644 index 09f6b24969e0..000000000000 --- a/Documentation/devicetree/bindings/watchdog/lpc18xx-wdt.txt +++ /dev/null @@ -1,19 +0,0 @@ -* NXP LPC18xx Watchdog Timer (WDT) - -Required properties: -- compatible: Should be "nxp,lpc1850-wwdt" -- reg: Should contain WDT registers location and length -- clocks: Must contain an entry for each entry in clock-names. -- clock-names: Should contain "wdtclk" and "reg"; the watchdog counter - clock and register interface clock respectively. -- interrupts: Should contain WDT interrupt - -Examples: - -watchdog@40080000 { - compatible = "nxp,lpc1850-wwdt"; - reg = <0x40080000 0x24>; - clocks = <&cgu BASE_SAFE_CLK>, <&ccu1 CLK_CPU_WWDT>; - clock-names = "wdtclk", "reg"; - interrupts = <49>; -}; diff --git a/Documentation/devicetree/bindings/watchdog/nxp,lpc1850-wwdt.yaml b/Documentation/devicetree/bindings/watchdog/nxp,lpc1850-wwdt.yaml new file mode 100644 index 000000000000..52878fdbe3ad --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/nxp,lpc1850-wwdt.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/watchdog/nxp,lpc1850-wwdt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP LPC18xx Watchdog Timer (WDT) + +maintainers: + - Animesh Agarwal <animeshagarwal28@gmail.com> + +properties: + compatible: + const: nxp,lpc1850-wwdt + + reg: + maxItems: 1 + + clocks: + items: + - description: Watchdog counter clock + - description: Register interface clock + + clock-names: + items: + - const: wdtclk + - const: reg + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/lpc18xx-cgu.h> + #include <dt-bindings/clock/lpc18xx-ccu.h> + + watchdog@40080000 { + compatible = "nxp,lpc1850-wwdt"; + reg = <0x40080000 0x24>; + clocks = <&cgu BASE_SAFE_CLK>, <&ccu1 CLK_CPU_WWDT>; + clock-names = "wdtclk", "reg"; + interrupts = <49>; + }; diff --git a/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml b/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml index 47587971fb0b..932393f8c649 100644 --- a/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml +++ b/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml @@ -26,6 +26,7 @@ properties: - qcom,apss-wdt-msm8994 - qcom,apss-wdt-qcm2290 - qcom,apss-wdt-qcs404 + - qcom,apss-wdt-sa8255p - qcom,apss-wdt-sa8775p - qcom,apss-wdt-sc7180 - qcom,apss-wdt-sc7280 diff --git a/Documentation/devicetree/bindings/watchdog/snps,dw-wdt.yaml b/Documentation/devicetree/bindings/watchdog/snps,dw-wdt.yaml index c7aab0418a32..b5a3dc377070 100644 --- a/Documentation/devicetree/bindings/watchdog/snps,dw-wdt.yaml +++ b/Documentation/devicetree/bindings/watchdog/snps,dw-wdt.yaml @@ -29,6 +29,7 @@ properties: - rockchip,rk3368-wdt - rockchip,rk3399-wdt - rockchip,rk3568-wdt + - rockchip,rk3576-wdt - rockchip,rk3588-wdt - rockchip,rv1108-wdt - const: snps,dw-wdt diff --git a/Documentation/devicetree/bindings/watchdog/ti,davinci-wdt.yaml b/Documentation/devicetree/bindings/watchdog/ti,davinci-wdt.yaml new file mode 100644 index 000000000000..3c78f60f5f48 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/ti,davinci-wdt.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/watchdog/ti,davinci-wdt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI DaVinci/Keystone Watchdog Timer Controller + +maintainers: + - Kousik Sanagavarapu <five231003@gmail.com> + +description: | + TI's Watchdog Timer Controller for DaVinci and Keystone Processors. + + Datasheets + + Davinci DM646x - https://www.ti.com/lit/ug/spruer5b/spruer5b.pdf + Keystone - https://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf + +allOf: + - $ref: watchdog.yaml# + +properties: + compatible: + oneOf: + - items: + - const: ti,keystone-wdt + - const: ti,davinci-wdt + - items: + - const: ti,davinci-wdt + + reg: + maxItems: 1 + + power-domains: + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + wdt: watchdog@22f0080 { + compatible = "ti,keystone-wdt", "ti,davinci-wdt"; + reg = <0x022f0080 0x80>; + clocks = <&clkwdtimer0>; + }; + +... diff --git a/Documentation/devicetree/bindings/watchdog/zii,rave-wdt.yaml b/Documentation/devicetree/bindings/watchdog/zii,rave-wdt.yaml new file mode 100644 index 000000000000..9dbaa941538e --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/zii,rave-wdt.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/watchdog/zii,rave-wdt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Zodiac RAVE Watchdog Timer + +maintainers: + - Martyn Welch <martyn.welch@collabora.co.uk> + - Guenter Roeck <linux@roeck-us.net> + - Wim Van Sebroeck <wim@iguana.be> + +properties: + compatible: + const: zii,rave-wdt + + reg: + maxItems: 1 + description: i2c slave address of device, usually 0x38 + + reset-duration-ms: + description: + Duration of the pulse generated when the watchdog times + out. + +required: + - compatible + - reg + +allOf: + - $ref: watchdog.yaml# + +unevaluatedProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + watchdog@38 { + compatible = "zii,rave-wdt"; + reg = <0x38>; + timeout-sec = <30>; + reset-duration-ms = <30>; + }; + }; + diff --git a/Documentation/devicetree/bindings/watchdog/ziirave-wdt.txt b/Documentation/devicetree/bindings/watchdog/ziirave-wdt.txt deleted file mode 100644 index 3d878184ec3f..000000000000 --- a/Documentation/devicetree/bindings/watchdog/ziirave-wdt.txt +++ /dev/null @@ -1,19 +0,0 @@ -Zodiac RAVE Watchdog Timer - -Required properties: -- compatible: must be "zii,rave-wdt" -- reg: i2c slave address of device, usually 0x38 - -Optional Properties: -- timeout-sec: Watchdog timeout value in seconds. -- reset-duration-ms: Duration of the pulse generated when the watchdog times - out. Value in milliseconds. - -Example: - - watchdog@38 { - compatible = "zii,rave-wdt"; - reg = <0x38>; - timeout-sec = <30>; - reset-duration-ms = <30>; - }; |