linux-kernel - [PATCH v3 6/8] MIPS: jz4780: dts: Fix watchdog node

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Message-Id: <20180510184751.13416-6-paul@crapouillou.net>
Date:   Thu, 10 May 2018 20:47:49 +0200
From:   Paul Cercueil <paul@...pouillou.net>
To:     Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        James Hogan <jhogan@...nel.org>
Cc:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Mathieu Malaterre <malat@...ian.org>,
        linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mips@...ux-mips.org,
        Paul Cercueil <paul@...pouillou.net>
Subject: [PATCH v3 6/8] MIPS: jz4780: dts: Fix watchdog node

- The previous node requested a memory area of 0x100 bytes, while the
  driver only manipulates four registers present in the first 0x10 bytes.

- The driver requests for the "rtc" clock, but the previous node did not
  provide any.

Signed-off-by: Paul Cercueil <paul@...pouillou.net>
Reviewed-by: Mathieu Malaterre <malat@...ian.org>
Acked-by: James Hogan <jhogan@...nel.org>
---
 Documentation/devicetree/bindings/watchdog/ingenic,jz4740-wdt.txt | 7 ++++++-
 arch/mips/boot/dts/ingenic/jz4780.dtsi                            | 5 ++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

 v2: No change
 v3: Also fix documentation

diff --git a/Documentation/devicetree/bindings/watchdog/ingenic,jz4740-wdt.txt b/Documentation/devicetree/bindings/watchdog/ingenic,jz4740-wdt.txt
index cb44918f01a8..ce1cb72d5345 100644
--- a/Documentation/devicetree/bindings/watchdog/ingenic,jz4740-wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/ingenic,jz4740-wdt.txt
@@ -3,10 +3,15 @@ Ingenic Watchdog Timer (WDT) Controller for JZ4740 & JZ4780
 Required properties:
 compatible: "ingenic,jz4740-watchdog" or "ingenic,jz4780-watchdog"
 reg: Register address and length for watchdog registers
+clocks: phandle to the RTC clock
+clock-names: should be "rtc"
 
 Example:
 
 watchdog: jz4740-watchdog@...02000 {
 	compatible = "ingenic,jz4740-watchdog";
-	reg = <0x10002000 0x100>;
+	reg = <0x10002000 0x10>;
+
+	clocks = <&cgu JZ4740_CLK_RTC>;
+	clock-names = "rtc";
 };
diff --git a/arch/mips/boot/dts/ingenic/jz4780.dtsi b/arch/mips/boot/dts/ingenic/jz4780.dtsi
index 9b5794667aee..a52f59bf58c7 100644
--- a/arch/mips/boot/dts/ingenic/jz4780.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4780.dtsi
@@ -221,7 +221,10 @@
 
 	watchdog: watchdog@...02000 {
 		compatible = "ingenic,jz4780-watchdog";
-		reg = <0x10002000 0x100>;
+		reg = <0x10002000 0x10>;
+
+		clocks = <&cgu JZ4780_CLK_RTCLK>;
+		clock-names = "rtc";
 	};
 
 	nemc: nemc@...10000 {
-- 
2.11.0