From d72e8256c20971b12cddd71d87c32284de7108fa Mon Sep 17 00:00:00 2001 From: Chris Brandt Date: Mon, 24 Sep 2018 08:58:16 -0500 Subject: dt-bindings: watchdog: renesas-wdt: Add support for R7S9210 Document support for RZ/A2 Signed-off-by: Chris Brandt Reviewed-by: Simon Horman Reviewed-by: Guenter Roeck Signed-off-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck --- Documentation/devicetree/bindings/watchdog/renesas-wdt.txt | 1 + 1 file changed, 1 insertion(+) (limited to 'Documentation/devicetree/bindings/watchdog') diff --git a/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt b/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt index 9407212a85a8..a9e49da6fa24 100644 --- a/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt @@ -20,6 +20,7 @@ Required properties: - "renesas,r8a77990-wdt" (R-Car E3) - "renesas,r8a77995-wdt" (R-Car D3) - "renesas,r7s72100-wdt" (RZ/A1) + - "renesas,r7s9210-wdt" (RZ/A2) The generic compatible string must be: - "renesas,rza-wdt" for RZ/A - "renesas,rcar-gen2-wdt" for R-Car Gen2 and RZ/G1 -- cgit v1.2.3 From 270c4265f259e4f9695b86b1ded00f7f202ecba4 Mon Sep 17 00:00:00 2001 From: Christophe Leroy Date: Mon, 17 Sep 2018 06:22:53 +0000 Subject: dt-bindings: watchdog: add mpc8xxx-wdt support Add description of DT bindings for mpc8xxx-wdt driver which handles the CPU watchdog timer on the mpc83xx, mpc86xx and mpc8xx. Signed-off-by: Christophe Leroy Reviewed-by: Rob Herring Reviewed-by: Guenter Roeck Signed-off-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck --- .../devicetree/bindings/watchdog/mpc8xxx-wdt.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/mpc8xxx-wdt.txt (limited to 'Documentation/devicetree/bindings/watchdog') diff --git a/Documentation/devicetree/bindings/watchdog/mpc8xxx-wdt.txt b/Documentation/devicetree/bindings/watchdog/mpc8xxx-wdt.txt new file mode 100644 index 000000000000..a384ff5b3ce8 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/mpc8xxx-wdt.txt @@ -0,0 +1,25 @@ +* Freescale mpc8xxx watchdog driver (For 83xx, 86xx and 8xx) + +Required properties: +- compatible: Shall contain one of the following: + "mpc83xx_wdt" for an mpc83xx + "fsl,mpc8610-wdt" for an mpc86xx + "fsl,mpc823-wdt" for an mpc8xx +- reg: base physical address and length of the area hosting the + watchdog registers. + On the 83xx, "Watchdog Timer Registers" area: <0x200 0x100> + On the 86xx, "Watchdog Timer Registers" area: <0xe4000 0x100> + On the 8xx, "General System Interface Unit" area: <0x0 0x10> + +Optional properties: +- reg: additional physical address and length (4) of location of the + Reset Status Register (called RSTRSCR on the mpc86xx) + On the 83xx, it is located at offset 0x910 + On the 86xx, it is located at offset 0xe0094 + On the 8xx, it is located at offset 0x288 + +Example: + WDT: watchdog@0 { + compatible = "fsl,mpc823-wdt"; + reg = <0x0 0x10 0x288 0x4>; + }; -- cgit v1.2.3 From 8562205592a69dd8817f9ff361fc0ffc55f5e9fe Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marek=20Beh=C3=BAn?= Date: Mon, 24 Sep 2018 13:06:52 +0200 Subject: dt-bindings: watchdog: Document armada-37xx-wdt binding MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This adds device tree binding documentation for the CPU watchdog found on Armada 37xx SOCs (EspressoBin, Turris Mox). Signed-off-by: Marek Behún Cc: Rob Herring Cc: devicetree@vger.kernel.org Reviewed-by: Rob Herring Reviewed-by: Guenter Roeck Signed-off-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck --- .../bindings/watchdog/armada-37xx-wdt.txt | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt (limited to 'Documentation/devicetree/bindings/watchdog') diff --git a/Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt b/Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt new file mode 100644 index 000000000000..a8d00c31a1d8 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt @@ -0,0 +1,23 @@ +* Armada 37xx CPU Watchdog Timer Controller + +Required properties: +- compatible : must be "marvell,armada-3700-wdt" +- reg : base physical address of the controller and length of memory mapped + region. +- clocks : the clock feeding the watchdog timer. See clock-bindings.txt +- marvell,system-controller : reference to syscon node for the CPU Miscellaneous + Registers + +Example: + + cpu_misc: system-controller@d000 { + compatible = "marvell,armada-3700-cpu-misc", "syscon"; + reg = <0xd000 0x1000>; + }; + + wdt: watchdog@8300 { + compatible = "marvell,armada-3700-wdt"; + reg = <0x8300 0x40>; + marvell,system-controller = <&cpu_misc>; + clocks = <&xtalclk>; + }; -- cgit v1.2.3