Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1664337 > unrolled thread

[PATCH V3 0/3] add UniPhier watchdog support

Back to article view | Back to linux.kernel

Contents

  [PATCH V3 0/3] add UniPhier watchdog support Keiji Hayashibara <hayashibara.keiji@socionext.com> - 2017-06-13 03:20 +0200
    [PATCH V3 3/3] arm64: dts: uniphier: add watchdog node for LD11 and LD20 Keiji Hayashibara <hayashibara.keiji@socionext.com> - 2017-06-13 03:20 +0200
    [PATCH V3 1/3] dt-bindings: watchdog: add description for UniPhier WDT controller Keiji Hayashibara <hayashibara.keiji@socionext.com> - 2017-06-13 03:20 +0200

#1664337 — [PATCH V3 0/3] add UniPhier watchdog support

This series adds support for watchdog timer implemented on UniPhier LD11 and
LD20 SoCs. This driver supports watchdog and system reset for SoCs.

patch V2
http://www.spinics.net/lists/linux-watchdog/msg11852.html

patch V1
http://www.spinics.net/lists/linux-watchdog/msg11782.html

Changes between V3 and V2
=========================
1. Fix issues according to review comments.

 * Make it possible to take a timeout from devicetree.
 * Sort #include headlers alphabetically.
 * Correct the description of dt-bindings document and this patch comment.
 * Correct the description of license as GPLv2.
 * Correct MODULE_AUTHOR()
 * Remove unnecessary code.

Changes between V2 and V1
=========================
1. Add barrier code in uniphier_watchdog_ping() and __uniphier_watchdog_start().
2. Fix issues according to review comments.

Keiji Hayashibara (3):
  dt-bindings: watchdog: add description for UniPhier WDT controller
  watchdog: uniphier: add UniPhier watchdog driver
  arm64: dts: uniphier: add watchdog node for LD11 and LD20

 .../devicetree/bindings/watchdog/uniphier-wdt.txt  |  20 ++
 Documentation/watchdog/watchdog-parameters.txt     |   6 +
 arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi   |   4 +
 arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi   |   4 +
 drivers/watchdog/Kconfig                           |  11 +
 drivers/watchdog/Makefile                          |   1 +
 drivers/watchdog/uniphier_wdt.c                    | 268 +++++++++++++++++++++
 7 files changed, 314 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/watchdog/uniphier-wdt.txt
 create mode 100644 drivers/watchdog/uniphier_wdt.c

-- 
2.7.4

[toc] | [next] | [standalone]

#1664338 — [PATCH V3 3/3] arm64: dts: uniphier: add watchdog node for LD11 and LD20

Add nodes of watchdog timer for UniPhier LD11 and LD20 SoC.
The watchdog timer is included in sysctrl.

Signed-off-by: Keiji Hayashibara <hayashibara.keiji@socionext.com>
---
 arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi | 4 ++++
 arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
index da881f5..5fee3e3 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
@@ -393,6 +393,10 @@
 				compatible = "socionext,uniphier-ld11-reset";
 				#reset-cells = <1>;
 			};
+
+			watchdog {
+				compatible = "socionext,uniphier-wdt";
+			};
 		};
 	};
 };
diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
index a6b3a70..d4d82c8 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
@@ -417,6 +417,10 @@
 				compatible = "socionext,uniphier-ld20-reset";
 				#reset-cells = <1>;
 			};
+
+			watchdog {
+				compatible = "socionext,uniphier-wdt";
+			};
 		};
 	};
 };
-- 
2.7.4

[toc] | [prev] | [next] | [standalone]

#1664342 — [PATCH V3 1/3] dt-bindings: watchdog: add description for UniPhier WDT controller

Add uniphier-wdt dt-bindings documentation.

Signed-off-by: Keiji Hayashibara <hayashibara.keiji@socionext.com>
---
 .../devicetree/bindings/watchdog/uniphier-wdt.txt    | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/watchdog/uniphier-wdt.txt

diff --git a/Documentation/devicetree/bindings/watchdog/uniphier-wdt.txt b/Documentation/devicetree/bindings/watchdog/uniphier-wdt.txt
new file mode 100644
index 0000000..bf63375
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/uniphier-wdt.txt
@@ -0,0 +1,20 @@
+UniPhier watchdog timer controller
+
+This UniPhier watchdog timer controller must be under sysctrl node.
+
+Required properties:
+- compatible: should be "socionext,uniphier-wdt"
+
+Example:
+
+	sysctrl@61840000 {
+		compatible = "socionext,uniphier-ld11-sysctrl",
+			     "simple-mfd", "syscon";
+		reg = <0x61840000 0x4000>;
+
+		watchdog {
+			compatible = "socionext,uniphier-wdt";
+		}
+
+		other nodes ...
+	};
-- 
2.7.4

[toc] | [prev] | [standalone]

Back to top | Article view | linux.kernel

csiph-web