diff options
74 files changed, 1154 insertions, 560 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/alphascale,asm9260-wdt.yaml b/Documentation/devicetree/bindings/watchdog/alphascale,asm9260-wdt.yaml new file mode 100644 index 000000000000..fea84f5b7e6d --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/alphascale,asm9260-wdt.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/watchdog/alphascale,asm9260-wdt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Alphascale asm9260 Watchdog timer + +allOf: + - $ref: watchdog.yaml# + +maintainers: + - Oleksij Rempel <linux@rempel-privat.de> + +properties: + compatible: + const: alphascale,asm9260-wdt + + reg: + maxItems: 1 + + clocks: + items: + - description: source clock, used for tick counter + - description: ahb gate + + clock-names: + items: + - const: mod + - const: ahb + + interrupts: + maxItems: 1 + + resets: + maxItems: 1 + + reset-names: + items: + - const: wdt_rst + + alphascale,mode: + description: | + Specifies the reset mode of operation. If set to sw, then reset is handled + via interrupt request, if set to debug, then it does nothing and logs. + $ref: /schemas/types.yaml#/definitions/string + enum: [hw, sw, debug] + default: hw + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/alphascale,asm9260.h> + watchdog0: watchdog@80048000 { + compatible = "alphascale,asm9260-wdt"; + reg = <0x80048000 0x10>; + clocks = <&acc CLKID_SYS_WDT>, <&acc CLKID_AHB_WDT>; + clock-names = "mod", "ahb"; + interrupts = <55>; + timeout-sec = <30>; + alphascale,mode = "hw"; + }; diff --git a/Documentation/devicetree/bindings/watchdog/alphascale-asm9260.txt b/Documentation/devicetree/bindings/watchdog/alphascale-asm9260.txt deleted file mode 100644 index 75b265a04047..000000000000 --- a/Documentation/devicetree/bindings/watchdog/alphascale-asm9260.txt +++ /dev/null @@ -1,35 +0,0 @@ -Alphascale asm9260 Watchdog timer - -Required properties: - -- compatible : should be "alphascale,asm9260-wdt". -- reg : Specifies base physical address and size of the registers. -- clocks : the clocks feeding the watchdog timer. See clock-bindings.txt -- clock-names : should be set to - "mod" - source for tick counter. - "ahb" - ahb gate. -- resets : phandle pointing to the system reset controller with - line index for the watchdog. -- reset-names : should be set to "wdt_rst". - -Optional properties: -- timeout-sec : shall contain the default watchdog timeout in seconds, - if unset, the default timeout is 30 seconds. -- alphascale,mode : three modes are supported - "hw" - hw reset (default). - "sw" - sw reset. - "debug" - no action is taken. - -Example: - -watchdog0: watchdog@80048000 { - compatible = "alphascale,asm9260-wdt"; - reg = <0x80048000 0x10>; - clocks = <&acc CLKID_SYS_WDT>, <&acc CLKID_AHB_WDT>; - clock-names = "mod", "ahb"; - interrupts = <55>; - resets = <&rst WDT_RESET>; - reset-names = "wdt_rst"; - timeout-sec = <30>; - alphascale,mode = "hw"; -}; diff --git a/Documentation/devicetree/bindings/watchdog/amlogic,meson-gxbb-wdt.yaml b/Documentation/devicetree/bindings/watchdog/amlogic,meson-gxbb-wdt.yaml index 497d60408ea0..f5cc7aa1b93b 100644 --- a/Documentation/devicetree/bindings/watchdog/amlogic,meson-gxbb-wdt.yaml +++ b/Documentation/devicetree/bindings/watchdog/amlogic,meson-gxbb-wdt.yaml @@ -2,8 +2,8 @@ # Copyright 2019 BayLibre, SAS %YAML 1.2 --- -$id: "http://devicetree.org/schemas/watchdog/amlogic,meson-gxbb-wdt.yaml#" -$schema: "http://devicetree.org/meta-schemas/core.yaml#" +$id: http://devicetree.org/schemas/watchdog/amlogic,meson-gxbb-wdt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# title: Meson GXBB SoCs Watchdog timer @@ -36,7 +36,7 @@ unevaluatedProperties: false examples: - | watchdog@98d0 { - compatible = "amlogic,meson-gxbb-wdt"; - reg = <0x98d0 0x10>; - clocks = <&xtal>; + compatible = "amlogic,meson-gxbb-wdt"; + reg = <0x98d0 0x10>; + clocks = <&xtal>; }; diff --git a/Documentation/devicetree/bindings/watchdog/arm,sbsa-gwdt.yaml b/Documentation/devicetree/bindings/watchdog/arm,sbsa-gwdt.yaml index 6bfa46353c4e..aa804f96acba 100644 --- a/Documentation/devicetree/bindings/watchdog/arm,sbsa-gwdt.yaml +++ b/Documentation/devicetree/bindings/watchdog/arm,sbsa-gwdt.yaml @@ -40,7 +40,6 @@ unevaluatedProperties: false examples: - | - watchdog@2a440000 { compatible = "arm,sbsa-gwdt"; reg = <0x2a440000 0x1000>, diff --git a/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml b/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml index a69cac8ec208..7aea255b301b 100644 --- a/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml +++ b/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml @@ -43,7 +43,6 @@ properties: Clocks driving the watchdog timer hardware. The first clock is used for the actual watchdog counter. The second clock drives the register interface. - minItems: 2 maxItems: 2 clock-names: diff --git a/Documentation/devicetree/bindings/watchdog/arm,twd-wdt.yaml b/Documentation/devicetree/bindings/watchdog/arm,twd-wdt.yaml index bb8901854222..9646ac72051e 100644 --- a/Documentation/devicetree/bindings/watchdog/arm,twd-wdt.yaml +++ b/Documentation/devicetree/bindings/watchdog/arm,twd-wdt.yaml @@ -44,7 +44,7 @@ examples: #include <dt-bindings/interrupt-controller/arm-gic.h> watchdog@2c000620 { - compatible = "arm,arm11mp-twd-wdt"; - reg = <0x2c000620 0x20>; - interrupts = <GIC_PPI 14 0xf01>; + compatible = "arm,arm11mp-twd-wdt"; + reg = <0x2c000620 0x20>; + interrupts = <GIC_PPI 14 0xf01>; }; diff --git a/Documentation/devicetree/bindings/watchdog/arm-smc-wdt.yaml b/Documentation/devicetree/bindings/watchdog/arm-smc-wdt.yaml index fa05d6252982..b5573852ef5a 100644 --- a/Documentation/devicetree/bindings/watchdog/arm-smc-wdt.yaml +++ b/Documentation/devicetree/bindings/watchdog/arm-smc-wdt.yaml @@ -16,6 +16,7 @@ properties: compatible: enum: - arm,smc-wdt + arm,smc-id: $ref: /schemas/types.yaml#/definitions/uint32 description: | @@ -30,9 +31,9 @@ unevaluatedProperties: false examples: - | watchdog { - compatible = "arm,smc-wdt"; - arm,smc-id = <0x82003D06>; - timeout-sec = <15>; + compatible = "arm,smc-wdt"; + arm,smc-id = <0x82003D06>; + timeout-sec = <15>; }; ... diff --git a/Documentation/devicetree/bindings/watchdog/atmel,sama5d4-wdt.yaml b/Documentation/devicetree/bindings/watchdog/atmel,sama5d4-wdt.yaml index b28f7b57c36b..816f85ee2c77 100644 --- a/Documentation/devicetree/bindings/watchdog/atmel,sama5d4-wdt.yaml +++ b/Documentation/devicetree/bindings/watchdog/atmel,sama5d4-wdt.yaml @@ -65,13 +65,13 @@ examples: #include <dt-bindings/interrupt-controller/irq.h> watchdog@fc068640 { - compatible = "atmel,sama5d4-wdt"; - reg = <0xfc068640 0x10>; - interrupts = <4 IRQ_TYPE_LEVEL_HIGH 5>; - timeout-sec = <10>; - atmel,watchdog-type = "hardware"; - atmel,dbg-halt; - atmel,idle-halt; + compatible = "atmel,sama5d4-wdt"; + reg = <0xfc068640 0x10>; + interrupts = <4 IRQ_TYPE_LEVEL_HIGH 5>; + timeout-sec = <10>; + atmel,watchdog-type = "hardware"; + atmel,dbg-halt; + atmel,idle-halt; }; ... diff --git a/Documentation/devicetree/bindings/watchdog/brcm,bcm7038-wdt.yaml b/Documentation/devicetree/bindings/watchdog/brcm,bcm7038-wdt.yaml index 428004e7f0c3..526ff908d134 100644 --- a/Documentation/devicetree/bindings/watchdog/brcm,bcm7038-wdt.yaml +++ b/Documentation/devicetree/bindings/watchdog/brcm,bcm7038-wdt.yaml @@ -37,7 +37,7 @@ required: examples: - | watchdog@f040a7e8 { - compatible = "brcm,bcm7038-wdt"; - reg = <0xf040a7e8 0x16>; - clocks = <&upg_fixed>; + compatible = "brcm,bcm7038-wdt"; + reg = <0xf040a7e8 0x16>; + clocks = <&upg_fixed>; }; diff --git a/Documentation/devicetree/bindings/watchdog/faraday,ftwdt010.yaml b/Documentation/devicetree/bindings/watchdog/faraday,ftwdt010.yaml index 6e135f48b3ba..726dc872ad02 100644 --- a/Documentation/devicetree/bindings/watchdog/faraday,ftwdt010.yaml +++ b/Documentation/devicetree/bindings/watchdog/faraday,ftwdt010.yaml @@ -52,16 +52,16 @@ examples: - | #include <dt-bindings/interrupt-controller/irq.h> watchdog@41000000 { - compatible = "faraday,ftwdt010"; - reg = <0x41000000 0x1000>; - interrupts = <3 IRQ_TYPE_LEVEL_HIGH>; - timeout-sec = <5>; + compatible = "faraday,ftwdt010"; + reg = <0x41000000 0x1000>; + interrupts = <3 IRQ_TYPE_LEVEL_HIGH>; + timeout-sec = <5>; }; - | watchdog: watchdog@98500000 { - compatible = "moxa,moxart-watchdog", "faraday,ftwdt010"; - reg = <0x98500000 0x10>; - clocks = <&clk_apb>; - clock-names = "PCLK"; + compatible = "moxa,moxart-watchdog", "faraday,ftwdt010"; + reg = <0x98500000 0x10>; + clocks = <&clk_apb>; + clock-names = "PCLK"; }; ... diff --git a/Documentation/devicetree/bindings/watchdog/fsl-imx7ulp-wdt.yaml b/Documentation/devicetree/bindings/watchdog/fsl-imx7ulp-wdt.yaml index d3790f1a96a2..4b7ed1355701 100644 --- a/Documentation/devicetree/bindings/watchdog/fsl-imx7ulp-wdt.yaml +++ b/Documentation/devicetree/bindings/watchdog/fsl-imx7ulp-wdt.yaml @@ -30,15 +30,13 @@ properties: clocks: maxItems: 1 - timeout-sec: true - required: - compatible - interrupts - reg - clocks -additionalProperties: false +unevaluatedProperties: false examples: - | diff --git a/Documentation/devicetree/bindings/watchdog/gpio-wdt.yaml b/Documentation/devicetree/bindings/watchdog/gpio-wdt.yaml deleted file mode 100644 index 155dc7965e9b..000000000000 --- a/Documentation/devicetree/bindings/watchdog/gpio-wdt.yaml +++ /dev/null @@ -1,55 +0,0 @@ -# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) -%YAML 1.2 ---- -$id: http://devicetree.org/schemas/watchdog/gpio-wdt.yaml# -$schema: http://devicetree.org/meta-schemas/core.yaml# - -title: GPIO controlled watchdog - -maintainers: - - Robert Marko <robert.marko@sartura.hr> - -properties: - compatible: - const: linux,wdt-gpio - - gpios: - maxItems: 1 - description: GPIO connected to the WDT reset pin - - hw_algo: - $ref: /schemas/types.yaml#/definitions/string - description: Algorithm used by the driver - oneOf: - - description: - Either a high-to-low or a low-to-high transition clears the WDT counter. - The watchdog timer is disabled when GPIO is left floating or connected - to a three-state buffer. - const: toggle - - description: - Low or high level starts counting WDT timeout, the opposite level - disables the WDT. - Active level is determined by the GPIO flags. - const: level - - hw_margin_ms: - $ref: /schemas/types.yaml#/definitions/uint32 - description: Maximum time to reset watchdog circuit (in milliseconds) - minimum: 2 - maximum: 65535 - - always-running: - type: boolean - description: - If the watchdog timer cannot be disabled, add this flag to have the driver - keep toggling the signal without a client. - It will only cease to toggle the signal when the device is open and the - timeout elapsed. - -required: - - compatible - - gpios - - hw_algo - - hw_margin_ms - -unevaluatedProperties: false diff --git a/Documentation/devicetree/bindings/watchdog/linux,wdt-gpio.yaml b/Documentation/devicetree/bindings/watchdog/linux,wdt-gpio.yaml index 50af79af6416..499f1b7e03f9 100644 --- a/Documentation/devicetree/bindings/watchdog/linux,wdt-gpio.yaml +++ b/Documentation/devicetree/bindings/watchdog/linux,wdt-gpio.yaml @@ -8,6 +8,7 @@ title: GPIO-controlled Watchdog maintainers: - Guenter Roeck <linux@roeck-us.net> + - Robert Marko <robert.marko@sartura.hr> properties: compatible: @@ -19,11 +20,23 @@ properties: hw_algo: description: The algorithm used by the driver. - enum: [ level, toggle ] + oneOf: + - description: + Either a high-to-low or a low-to-high transition clears the WDT counter. + The watchdog timer is disabled when GPIO is left floating or connected + to a three-state buffer. + const: toggle + - description: + Low or high level starts counting WDT timeout, the opposite level + disables the WDT. + Active level is determined by the GPIO flags. + const: level hw_margin_ms: description: Maximum time to reset watchdog circuit (milliseconds). $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 2 + maximum: 65535 always-running: type: boolean @@ -42,7 +55,7 @@ required: allOf: - $ref: watchdog.yaml# -additionalProperties: false +unevaluatedProperties: false examples: - | diff --git a/Documentation/devicetree/bindings/watchdog/mediatek,mt7621-wdt.yaml b/Documentation/devicetree/bindings/watchdog/mediatek,mt7621-wdt.yaml index a668d0c2f14b..18160869c378 100644 --- a/ |