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author | Thomas Zimmermann <tzimmermann@suse.de> | 2020-04-17 08:12:22 +0200 |
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committer | Thomas Zimmermann <tzimmermann@suse.de> | 2020-04-17 08:12:22 +0200 |
commit | 08d99b2c23dfa84ca5b5e5c194062a0550888b71 (patch) | |
tree | f4cf81ba52b375bbafd3b7ee2603b3a4cae7fe30 /Documentation/devicetree/bindings/watchdog/ti,rti-wdt.yaml | |
parent | drm: Don't free a struct never allocated by drm_gem_fb_init() (diff) | |
parent | Linux 5.7-rc1 (diff) | |
download | wireguard-linux-08d99b2c23dfa84ca5b5e5c194062a0550888b71.tar.xz wireguard-linux-08d99b2c23dfa84ca5b5e5c194062a0550888b71.zip |
Merge drm/drm-next into drm-misc-next
Backmerging required to pull topic/phy-compliance.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'Documentation/devicetree/bindings/watchdog/ti,rti-wdt.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/watchdog/ti,rti-wdt.yaml | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/ti,rti-wdt.yaml b/Documentation/devicetree/bindings/watchdog/ti,rti-wdt.yaml new file mode 100644 index 000000000000..e83026fef2e9 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/ti,rti-wdt.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/watchdog/ti,rti-wdt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments K3 SoC Watchdog Timer + +maintainers: + - Tero Kristo <t-kristo@ti.com> + +description: + The TI K3 SoC watchdog timer is implemented via the RTI (Real Time + Interrupt) IP module. This timer adds a support for windowed watchdog + mode, which will signal an error if it is pinged outside the watchdog + time window, meaning either too early or too late. The error signal + generated can be routed to either interrupt a safety controller or + to directly reset the SoC. + +allOf: + - $ref: "watchdog.yaml#" + +properties: + compatible: + enum: + - ti,j7-rti-wdt + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + power-domains: + maxItems: 1 + + assigned-clocks: + maxItems: 1 + + assigned-clocks-parents: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - power-domains + +examples: + - | + /* + * RTI WDT in main domain on J721e SoC. Assigned clocks are used to + * select the source clock for the watchdog, forcing it to tick with + * a 32kHz clock in this case. + */ + #include <dt-bindings/soc/ti,sci_pm_domain.h> + + watchdog0: rti@2200000 { + compatible = "ti,rti-wdt"; + reg = <0x0 0x2200000 0x0 0x100>; + clocks = <&k3_clks 252 1>; + power-domains = <&k3_pds 252 TI_SCI_PD_EXCLUSIVE>; + assigned-clocks = <&k3_clks 252 1>; + assigned-clock-parents = <&k3_clks 252 5>; + }; |