From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ludovic Barre Subject: [PATCH V4 1/4] dt-bindings: watchdog: add stm32mp1 support Date: Thu, 21 Jun 2018 11:02:14 +0200 Message-ID: <1529571737-3552-2-git-send-email-ludovic.Barre@st.com> References: <1529571737-3552-1-git-send-email-ludovic.Barre@st.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1529571737-3552-1-git-send-email-ludovic.Barre@st.com> Sender: linux-kernel-owner@vger.kernel.org To: Wim Van Sebroeck , Guenter Roeck , Rob Herring Cc: Maxime Coquelin , Alexandre Torgue , linux-watchdog@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Ludovic Barre List-Id: devicetree@vger.kernel.org From: Ludovic Barre This patch adds support of stm32mp1. stm32mp1 requires 2 clocks lsi and pclk. Signed-off-by: Ludovic Barre --- .../devicetree/bindings/watchdog/st,stm32-iwdg.txt | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/watchdog/st,stm32-iwdg.txt b/Documentation/devicetree/bindings/watchdog/st,stm32-iwdg.txt index cc13b10a..d8f4430 100644 --- a/Documentation/devicetree/bindings/watchdog/st,stm32-iwdg.txt +++ b/Documentation/devicetree/bindings/watchdog/st,stm32-iwdg.txt @@ -2,9 +2,15 @@ STM32 Independent WatchDoG (IWDG) --------------------------------- Required properties: -- compatible: "st,stm32-iwdg" -- reg: physical base address and length of the registers set for the device -- clocks: must contain a single entry describing the clock input +- compatible: Should be either: + - "st,stm32-iwdg" + - "st,stm32mp1-iwdg" +- reg: Physical base address and length of the registers set for the device +- clocks: Reference to the clock entry lsi. Additional pclk clock entry + is required only for st,stm32mp1-iwdg. +- clock-names: Name of the clocks used. + "lsi" for st,stm32-iwdg + "lsi", "pclk" for st,stm32mp1-iwdg Optional Properties: - timeout-sec: Watchdog timeout value in seconds. @@ -15,5 +21,6 @@ iwdg: watchdog@40003000 { compatible = "st,stm32-iwdg"; reg = <0x40003000 0x400>; clocks = <&clk_lsi>; + clock-names = "lsi"; timeout-sec = <32>; }; -- 2.7.4