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authorLinus Torvalds <torvalds@linux-foundation.org>2018-02-07 11:54:34 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-02-07 11:54:34 -0800
commit7e6127c1240ed569cdda2a67c8f03836f9f28c05 (patch)
treef25db0464b51c2197ec706b0fc4bc38e70659f23 /Documentation
parent413879a10b0b0eb563a23c4df896773b2d9413f9 (diff)
parent592a547adf686dbec7687e816ecdf9101fe227f5 (diff)
downloadlinux-7e6127c1240ed569cdda2a67c8f03836f9f28c05.tar.bz2
Merge tag 'linux-watchdog-4.16-rc1' of git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck: - new watchdog device drivers for Realtek RTD1295 and Spreadtrum SC9860 platform - add support for the following devices: jz4780 SoC, AST25xx series SoC and r8a77970 SoC - convert to watchdog framework: i6300esb_wdt, xen_wdt and sp5100_tco - several fixes for watchdog core - remove at32ap700x and obsolete documentation - gpio: Convert to use GPIO descriptors - rename gemini into FTWDT010 as this IP block is generc from Faraday Technology - various clean-ups and small bugfixes - add Guenter Roeck as co-maintainer - change maintainers e-mail address * tag 'linux-watchdog-4.16-rc1' of git://www.linux-watchdog.org/linux-watchdog: (74 commits) documentation: watchdog: remove documentation of w83697hf_wdt/w83697ug_wdt documentation: watchdog: remove documentation for ixp2000 documentation: watchdog: remove documentation of at32ap700x_wdt watchdog: remove at32ap700x_wdt watchdog: sp5100_tco: Add support for recent FCH versions watchdog: sp5100-tco: Abort if watchdog is disabled by hardware watchdog: sp5100_tco: Use bit operations watchdog: sp5100_tco: Convert to use watchdog subsystem watchdog: sp5100_tco: Clean up function and variable names watchdog: sp5100_tco: Use dev_ print functions where possible watchdog: sp5100_tco: Match PCI device early watchdog: sp5100_tco: Clean up sp5100_tco_setupdevice watchdog: sp5100_tco: Use standard error codes watchdog: sp5100_tco: Use request_muxed_region where possible watchdog: sp5100_tco: Fix watchdog disable bit watchdog: sp5100_tco: Always use SP5100_IO_PM_{INDEX_REG,DATA_REG} watchdog: core: make sure the watchdog_worker is not deferred watchdog: mt7621: switch to using managed devm_watchdog_register_device() watchdog: mt7621: set WDOG_HW_RUNNING bit when appropriate watchdog: imx2_wdt: restore previous timeout after suspend+resume ...
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/watchdog/cortina,gemini-watchdog.txt17
-rw-r--r--Documentation/devicetree/bindings/watchdog/faraday,ftwdt010.txt (renamed from Documentation/devicetree/bindings/watchdog/cortina,gemin-watchdog.txt)11
-rw-r--r--Documentation/devicetree/bindings/watchdog/ingenic,jz4740-wdt.txt4
-rw-r--r--Documentation/devicetree/bindings/watchdog/realtek,rtd119x.txt17
-rw-r--r--Documentation/devicetree/bindings/watchdog/renesas-wdt.txt3
-rw-r--r--Documentation/devicetree/bindings/watchdog/sprd-wdt.txt19
-rw-r--r--Documentation/watchdog/watchdog-parameters.txt23
7 files changed, 48 insertions, 46 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/cortina,gemini-watchdog.txt b/Documentation/devicetree/bindings/watchdog/cortina,gemini-watchdog.txt
deleted file mode 100644
index bc4b865d178b..000000000000
--- a/Documentation/devicetree/bindings/watchdog/cortina,gemini-watchdog.txt
+++ /dev/null
@@ -1,17 +0,0 @@
-Cortina Systems Gemini SoC Watchdog
-
-Required properties:
-- compatible : must be "cortina,gemini-watchdog"
-- reg : shall contain base register location and length
-- interrupts : shall contain the interrupt for the watchdog
-
-Optional properties:
-- timeout-sec : the default watchdog timeout in seconds.
-
-Example:
-
-watchdog@41000000 {
- compatible = "cortina,gemini-watchdog";
- reg = <0x41000000 0x1000>;
- interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
-};
diff --git a/Documentation/devicetree/bindings/watchdog/cortina,gemin-watchdog.txt b/Documentation/devicetree/bindings/watchdog/faraday,ftwdt010.txt
index bc4b865d178b..9ecdb502e605 100644
--- a/Documentation/devicetree/bindings/watchdog/cortina,gemin-watchdog.txt
+++ b/Documentation/devicetree/bindings/watchdog/faraday,ftwdt010.txt
@@ -1,7 +1,12 @@
-Cortina Systems Gemini SoC Watchdog
+Faraday Technology FTWDT010 watchdog
+
+This is an IP part from Faraday Technology found in the Gemini
+SoCs and others.
Required properties:
-- compatible : must be "cortina,gemini-watchdog"
+- compatible : must be one of
+ "faraday,ftwdt010"
+ "cortina,gemini-watchdog", "faraday,ftwdt010"
- reg : shall contain base register location and length
- interrupts : shall contain the interrupt for the watchdog
@@ -11,7 +16,7 @@ Optional properties:
Example:
watchdog@41000000 {
- compatible = "cortina,gemini-watchdog";
+ compatible = "faraday,ftwdt010";
reg = <0x41000000 0x1000>;
interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
};
diff --git a/Documentation/devicetree/bindings/watchdog/ingenic,jz4740-wdt.txt b/Documentation/devicetree/bindings/watchdog/ingenic,jz4740-wdt.txt
index 3c7a1cd13b10..cb44918f01a8 100644
--- a/Documentation/devicetree/bindings/watchdog/ingenic,jz4740-wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/ingenic,jz4740-wdt.txt
@@ -1,7 +1,7 @@
-Ingenic Watchdog Timer (WDT) Controller for JZ4740
+Ingenic Watchdog Timer (WDT) Controller for JZ4740 & JZ4780
Required properties:
-compatible: "ingenic,jz4740-watchdog"
+compatible: "ingenic,jz4740-watchdog" or "ingenic,jz4780-watchdog"
reg: Register address and length for watchdog registers
Example:
diff --git a/Documentation/devicetree/bindings/watchdog/realtek,rtd119x.txt b/Documentation/devicetree/bindings/watchdog/realtek,rtd119x.txt
new file mode 100644
index 000000000000..05653054bd5b
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/realtek,rtd119x.txt
@@ -0,0 +1,17 @@
+Realtek RTD1295 Watchdog
+========================
+
+Required properties:
+
+- compatible : Should be "realtek,rtd1295-watchdog"
+- reg : Specifies the physical base address and size of registers
+- clocks : Specifies one clock input
+
+
+Example:
+
+ watchdog@98007680 {
+ compatible = "realtek,rtd1295-watchdog";
+ reg = <0x98007680 0x100>;
+ clocks = <&osc27M>;
+ };
diff --git a/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt b/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt
index bf6d1ca58af7..74b2f03c1515 100644
--- a/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt
@@ -4,10 +4,11 @@ Required properties:
- compatible : Should be "renesas,<soctype>-wdt", and
"renesas,rcar-gen3-wdt" or "renesas,rza-wdt" as fallback.
Examples with soctypes are:
+ - "renesas,r7s72100-wdt" (RZ/A1)
- "renesas,r8a7795-wdt" (R-Car H3)
- "renesas,r8a7796-wdt" (R-Car M3-W)
+ - "renesas,r8a77970-wdt" (R-Car V3M)
- "renesas,r8a77995-wdt" (R-Car D3)
- - "renesas,r7s72100-wdt" (RZ/A1)
When compatible with the generic version, nodes must list the SoC-specific
version corresponding to the platform first, followed by the generic
diff --git a/Documentation/devicetree/bindings/watchdog/sprd-wdt.txt b/Documentation/devicetree/bindings/watchdog/sprd-wdt.txt
new file mode 100644
index 000000000000..aeaf3e0caf47
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/sprd-wdt.txt
@@ -0,0 +1,19 @@
+Spreadtrum SoCs Watchdog timer
+
+Required properties:
+- compatible : Should be "sprd,sp9860-wdt".
+- reg : Specifies base physical address and size of the registers.
+- interrupts : Exactly one interrupt specifier.
+- timeout-sec : Contain the default watchdog timeout in seconds.
+- clock-names : Contain the input clock names.
+- clocks : Phandles to input clocks.
+
+Example:
+ watchdog: watchdog@40310000 {
+ compatible = "sprd,sp9860-wdt";
+ reg = <0 0x40310000 0 0x1000>;
+ interrupts = <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>;
+ timeout-sec = <12>;
+ clock-names = "enable", "rtc_enable";
+ clocks = <&clk_aon_apb_gates1 8>, <&clk_aon_apb_rtc_gates 9>;
+ };
diff --git a/Documentation/watchdog/watchdog-parameters.txt b/Documentation/watchdog/watchdog-parameters.txt
index 6f9d7b418917..beea975980f6 100644
--- a/Documentation/watchdog/watchdog-parameters.txt
+++ b/Documentation/watchdog/watchdog-parameters.txt
@@ -40,11 +40,6 @@ margin: Watchdog margin in seconds (default=60)
nowayout: Disable watchdog shutdown on close
(default=kernel config parameter)
-------------------------------------------------
-at32ap700x_wdt:
-timeout: Timeout value. Limited to be 1 or 2 seconds. (default=2)
-nowayout: Watchdog cannot be stopped once started
- (default=kernel config parameter)
--------------------------------------------------
at91rm9200_wdt:
wdt_time: Watchdog time in seconds. (default=5)
nowayout: Watchdog cannot be stopped once started
@@ -162,11 +157,6 @@ testmode: Watchdog test mode (1 = no reboot), default=0
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
-ixp2000_wdt:
-heartbeat: Watchdog heartbeat in seconds (default 60s)
-nowayout: Watchdog cannot be stopped once started
- (default=kernel config parameter)
--------------------------------------------------
ixp4xx_wdt:
heartbeat: Watchdog heartbeat in seconds (default 60s)
nowayout: Watchdog cannot be stopped once started
@@ -381,19 +371,6 @@ timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60.
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
-w83697hf_wdt:
-wdt_io: w83697hf/hg WDT io port (default 0x2e, 0 = autodetect)
-timeout: Watchdog timeout in seconds. 1<= timeout <=255 (default=60)
-nowayout: Watchdog cannot be stopped once started
- (default=kernel config parameter)
-early_disable: Watchdog gets disabled at boot time (default=1)
--------------------------------------------------
-w83697ug_wdt:
-wdt_io: w83697ug/uf WDT io port (default 0x2e)
-timeout: Watchdog timeout in seconds. 1<= timeout <=255 (default=60)
-nowayout: Watchdog cannot be stopped once started
- (default=kernel config parameter)
--------------------------------------------------
w83877f_wdt:
timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30)
nowayout: Watchdog cannot be stopped once started