Merge tag 'linux-watchdog-5.19-rc1' of git://www.linux-watchdog.org/linux-watchdog

Pull watchdog updates from Wim Van Sebroeck:

 - Add MediaTek MT8186 support

 - Add Mediatek MT7986 reset-controller support

 - Add i.MX93 support

 - Add watchdog driver for Sunplus SP7021

 - Add SC8180X and SC8280XP compatibles

 - Add Renesas RZ/N1 Watchdog driver and support for RZ/N1

 - rzg2l_wdt improvements and fixes

 - Several other improvements and fixes

* tag 'linux-watchdog-5.19-rc1' of git://www.linux-watchdog.org/linux-watchdog: (38 commits)
  watchdog: ts4800_wdt: Fix refcount leak in ts4800_wdt_probe
  dt-bindings: watchdog: renesas,wdt: R-Car V3U is R-Car Gen4
  watchdog: Add Renesas RZ/N1 Watchdog driver
  dt-bindings: watchdog: renesas,wdt: Add support for RZ/N1
  watchdog: wdat_wdt: Stop watchdog when uninstalling module
  watchdog: wdat_wdt: Stop watchdog when rebooting the system
  watchdog: wdat_wdt: Using the existing function to check parameter timeout
  dt-bindings: watchdog: da9062: add watchdog timeout mode
  dt-bindings: watchdog: renesas,wdt: Document RZ/G2UL SoC
  watchdog: iTCO_wdt: Using existing macro define covers more scenarios
  watchdog: rti-wdt: Fix pm_runtime_get_sync() error checking
  dt-bindings: watchdog: Add SC8180X and SC8280XP compatibles
  watchdog: rti_wdt: Fix calculation and evaluation of preset heartbeat
  dt-bindings: watchdog: uniphier: Use unevaluatedProperties
  watchdog: sp805: disable watchdog on remove
  watchdog: da9063: optionally disable watchdog during suspend
  dt-bindings: mfd: da9063: watchdog: add suspend disable option
  dt-bindings: watchdog: sunxi: clarify clock support
  dt-bindings: watchdog: sunxi: fix F1C100s compatible
  watchdog: Add watchdog driver for Sunplus SP7021
  ...

10 files changed, 162 insertions, 44 deletions

diff --git a/Documentation/devicetree/bindings/mfd/da9063.txt b/Documentation/devicetree/bindings/mfd/da9063.txt
index 91b79a21d40392..aa8b800cc4ad87 100644
--- a/Documentation/devicetree/bindings/mfd/da9063.txt
+++ b/Documentation/devicetree/bindings/mfd/da9063.txt
@@ -64,10 +64,13 @@ Sub-nodes:
     and KEY_SLEEP.
 
 - watchdog : This node defines settings for the Watchdog timer associated
-  with the DA9063 and DA9063L. There are currently no entries in this
-  binding, however compatible = "dlg,da9063-watchdog" should be added
-  if a node is created.
+  with the DA9063 and DA9063L. The node should contain the compatible property
+  with the value "dlg,da9063-watchdog".
 
+  Optional watchdog properties:
+  - dlg,use-sw-pm: Add this property to disable the watchdog during suspend.
+  Only use this option if you can't use the watchdog automatic suspend
+  function during a suspend (see register CONTROL_B).
 
 Example:
 
diff --git a/Documentation/devicetree/bindings/watchdog/da9062-wdt.txt b/Documentation/devicetree/bindings/watchdog/da9062-wdt.txt
index 950e4fba8dbc7c..354314d854ef78 100644
--- a/Documentation/devicetree/bindings/watchdog/da9062-wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/da9062-wdt.txt
@@ -10,6 +10,12 @@ Optional properties:
 - dlg,use-sw-pm: Add this property to disable the watchdog during suspend.
 	Only use this option if you can't use the watchdog automatic suspend
 	function during a suspend (see register CONTROL_B).
+- dlg,wdt-sd: Set what happens on watchdog timeout. If this bit is set the
+	watchdog timeout triggers SHUTDOWN, if cleared the watchdog triggers
+	POWERDOWN. Can be 0 or 1. Only use this option if you want to change the
+	default chip's OTP setting for WATCHDOG_SD bit. If this property is NOT
+	set the WATCHDOG_SD bit and on timeout watchdog behavior will match the
+	chip's OTP settings.
 
 Example: DA9062
 
diff --git a/Documentation/devicetree/bindings/watchdog/faraday,ftwdt010.txt b/Documentation/devicetree/bindings/watchdog/faraday,ftwdt010.txt
deleted file mode 100644
index 9ecdb502e60594..00000000000000
--- a/Documentation/devicetree/bindings/watchdog/faraday,ftwdt010.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-Faraday Technology FTWDT010 watchdog
-
-This is an IP part from Faraday Technology found in the Gemini
-SoCs and others.
-
-Required properties:
-- 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
-
-Optional properties:
-- timeout-sec : the default watchdog timeout in seconds.
-
-Example:
-
-watchdog@41000000 {
-	compatible = "faraday,ftwdt010";
-	reg = <0x41000000 0x1000>;
-	interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
-};
diff --git a/Documentation/devicetree/bindings/watchdog/faraday,ftwdt010.yaml b/Documentation/devicetree/bindings/watchdog/faraday,ftwdt010.yaml
new file mode 100644
index 00000000000000..ca9e1beff76b61
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/faraday,ftwdt010.yaml
@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/faraday,ftwdt010.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Faraday Technology FTWDT010 watchdog
+
+maintainers:
+  - Linus Walleij <linus.walleij@linaro.org>
+  - Corentin Labbe <clabbe@baylibre.com>
+
+description: |
+  This is an IP part from Faraday Technology found in the Gemini
+  SoCs and others.
+
+allOf:
+  - $ref: "watchdog.yaml#"
+
+properties:
+  compatible:
+    oneOf:
+      - const: faraday,ftwdt010
+      - items:
+          - enum:
+              - cortina,gemini-watchdog
+              - moxa,moxart-watchdog
+          - const: faraday,ftwdt010
+
+  reg:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: PCLK
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    watchdog@41000000 {
+      compatible = "faraday,ftwdt010";
+      reg = <0x41000000 0x1000>;
+      interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
+      timeout-secs = <5>;
+    };
+  - |
+    watchdog: watchdog@98500000 {
+      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 4ca8a31359a55d..8562978aa0c8b3 100644
--- a/Documentation/devicetree/bindings/watchdog/fsl-imx7ulp-wdt.yaml
+++ b/Documentation/devicetree/bindings/watchdog/fsl-imx7ulp-wdt.yaml
@@ -19,6 +19,7 @@ properties:
       - items:
           - const: fsl,imx8ulp-wdt
           - const: fsl,imx7ulp-wdt
+      - const: fsl,imx93-wdt
 
   reg:
     maxItems: 1
diff --git a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
index a97418c74f6bcb..762c62e428ef26 100644
--- a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
@@ -16,6 +16,7 @@ Required properties:
 	"mediatek,mt7629-wdt", "mediatek,mt6589-wdt": for MT7629
 	"mediatek,mt7986-wdt", "mediatek,mt6589-wdt": for MT7986
 	"mediatek,mt8183-wdt": for MT8183
+	"mediatek,mt8186-wdt", "mediatek,mt6589-wdt": for MT8186
 	"mediatek,mt8516-wdt", "mediatek,mt6589-wdt": for MT8516
 	"mediatek,mt8192-wdt": for MT8192
 	"mediatek,mt8195-wdt", "mediatek,mt6589-wdt": for MT8195
diff --git a/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml b/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml
index 16c6f82a13ca2c..2bd6b4a5263726 100644
--- a/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml
+++ b/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml
@@ -14,22 +14,29 @@ allOf:
 
 properties:
   compatible:
-    enum:
-      - qcom,apss-wdt-qcs404
-      - qcom,apss-wdt-sc7180
-      - qcom,apss-wdt-sc7280
-      - qcom,apss-wdt-sdm845
-      - qcom,apss-wdt-sdx55
-      - qcom,apss-wdt-sm6350
-      - qcom,apss-wdt-sm8150
-      - qcom,apss-wdt-sm8250
-      - qcom,kpss-timer
-      - qcom,kpss-wdt
-      - qcom,kpss-wdt-apq8064
-      - qcom,kpss-wdt-ipq4019
-      - qcom,kpss-wdt-ipq8064
-      - qcom,kpss-wdt-msm8960
-      - qcom,scss-timer
+    oneOf:
+      - items:
+          - enum:
+              - qcom,apss-wdt-qcs404
+              - qcom,apss-wdt-sc7180
+              - qcom,apss-wdt-sc7280
+              - qcom,apss-wdt-sc8180x
+              - qcom,apss-wdt-sc8280xp
+              - qcom,apss-wdt-sdm845
+              - qcom,apss-wdt-sdx55
+              - qcom,apss-wdt-sm6350
+              - qcom,apss-wdt-sm8150
+              - qcom,apss-wdt-sm8250
+          - const: qcom,kpss-wdt
+      - items:
+          - enum:
+              - qcom,kpss-wdt
+              - qcom,kpss-timer
+              - qcom,kpss-wdt-apq8064
+              - qcom,kpss-wdt-ipq4019
+              - qcom,kpss-wdt-ipq8064
+              - qcom,kpss-wdt-msm8960
+              - qcom,scss-timer
 
   reg:
     maxItems: 1
diff --git a/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml b/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml
index d060438e1402d5..a8d7dde5271b8f 100644
--- a/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml
+++ b/Documentation/devicetree/bindings/watchdog/renesas,wdt.yaml
@@ -21,8 +21,15 @@ properties:
 
       - items:
           - enum:
+              - renesas,r9a06g032-wdt    # RZ/N1D
+          - const: renesas,rzn1-wdt      # RZ/N1
+
+      - items:
+          - enum:
+              - renesas,r9a07g043-wdt    # RZ/G2UL
               - renesas,r9a07g044-wdt    # RZ/G2{L,LC}
-          - const: renesas,rzg2l-wdt     # RZ/G2L
+              - renesas,r9a07g054-wdt    # RZ/V2L
+          - const: renesas,rzg2l-wdt
 
       - items:
           - enum:
@@ -52,11 +59,11 @@ properties:
               - renesas,r8a77980-wdt     # R-Car V3H
               - renesas,r8a77990-wdt     # R-Car E3
               - renesas,r8a77995-wdt     # R-Car D3
-              - renesas,r8a779a0-wdt     # R-Car V3U
           - const: renesas,rcar-gen3-wdt # R-Car Gen3 and RZ/G2
 
       - items:
           - enum:
+              - renesas,r8a779a0-wdt     # R-Car V3U
               - renesas,r8a779f0-wdt     # R-Car S4-8
           - const: renesas,rcar-gen4-wdt # R-Car Gen4
 
@@ -94,6 +101,7 @@ allOf:
             contains:
               enum:
                 - renesas,rza-wdt
+                - renesas,rzn1-wdt
     then:
       required:
         - power-domains
diff --git a/Documentation/devicetree/bindings/watchdog/socionext,uniphier-wdt.yaml b/Documentation/devicetree/bindings/watchdog/socionext,uniphier-wdt.yaml
index a059d16cb4f2e4..90698cfa8f9450 100644
--- a/Documentation/devicetree/bindings/watchdog/socionext,uniphier-wdt.yaml
+++ b/Documentation/devicetree/bindings/watchdog/socionext,uniphier-wdt.yaml
@@ -19,7 +19,7 @@ properties:
 required:
   - compatible
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |
diff --git a/Documentation/devicetree/bindings/watchdog/sunplus,sp7021-wdt.yaml b/Documentation/devicetree/bindings/watchdog/sunplus,sp7021-wdt.yaml
new file mode 100644
index 00000000000000..d902710131910e
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/sunplus,sp7021-wdt.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) Sunplus Co., Ltd. 2021
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/sunplus,sp7021-wdt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sunplus SoCs Watchdog
+
+maintainers:
+  - XianTao Hu <xt.hu@cqplus1.com>
+
+allOf:
+  - $ref: watchdog.yaml#
+
+properties:
+  compatible:
+    const: sunplus,sp7021-wdt
+
+  reg:
+    items:
+      - description: watchdog registers regions
+      - description: miscellaneous control registers regions
+
+  clocks:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - resets
+
+additionalProperties: false
+
+examples:
+  - |
+    watchdog: watchdog@9c000630 {
+        compatible = "sunplus,sp7021-wdt";
+        reg = <0x9c000630 0x08>, <0x9c000274 0x04>;
+        clocks = <&clkc 0x24>;
+        resets = <&rstc 0x14>;
+    };
+...