From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S933916AbcI3O1Z (ORCPT <rfc822;w@1wt.eu>);
        Fri, 30 Sep 2016 10:27:25 -0400
Received: from mx08-00178001.pphosted.com ([91.207.212.93]:58608 "EHLO
        mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL)
        by vger.kernel.org with ESMTP id S933460AbcI3O0G (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Fri, 30 Sep 2016 10:26:06 -0400
From: <gabriel.fernandez@st.com>
To: Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>,
        Russell King <linux@armlinux.org.uk>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Alexandre Torgue <alexandre.torgue@st.com>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@codeaurora.org>
CC: <devicetree@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>, <linux-clk@vger.kernel.org>,
        <gabriel.fernandez@st.com>, <ludovic.barre@st.com>,
        <olivier.bideau@st.com>, <amelie.delaunay@st.com>
Subject: [PATCH 2/6] ARM: dts: stm32f429: add LSI and LSE clocks
Date: Fri, 30 Sep 2016 16:25:05 +0200
Message-ID: <1475245509-6487-3-git-send-email-gabriel.fernandez@st.com>
X-Mailer: git-send-email 1.9.1
In-Reply-To: <1475245509-6487-1-git-send-email-gabriel.fernandez@st.com>
References: <1475245509-6487-1-git-send-email-gabriel.fernandez@st.com>
MIME-Version: 1.0
Content-Type: text/plain
X-Originating-IP: [10.48.1.80]
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-09-30_07:,,
 signatures=0
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

From: Gabriel Fernandez <gabriel.fernandez@st.com>

This patch adds lsi / lse oscillators. These clocks can be use by
RTC clocks.
The clock drivers needs to disable the power domain write protection using
syscon / regmap to enable these clocks.

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
---
 arch/arm/boot/dts/stm32f429.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
index 35df462..0979fb6 100644
--- a/arch/arm/boot/dts/stm32f429.dtsi
+++ b/arch/arm/boot/dts/stm32f429.dtsi
@@ -55,6 +55,18 @@
 			compatible = "fixed-clock";
 			clock-frequency = <0>;
 		};
+
+		clk-lse {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <32768>;
+		};
+
+		clk-lsi {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <32000>;
+		};
 	};
 
 	soc {
@@ -176,6 +188,11 @@
 			reg = <0x40013800 0x400>;
 		};
 
+		pwrcfg: power-config@40007000 {
+			compatible = "syscon";
+			reg = <0x40007000 0x400>;
+		};
+
 		pin-controller {
 			#address-cells = <1>;
 			#size-cells = <1>;
@@ -330,6 +347,7 @@
 			compatible = "st,stm32f42xx-rcc", "st,stm32-rcc";
 			reg = <0x40023800 0x400>;
 			clocks = <&clk_hse>;
+			st,syscfg = <&pwrcfg>;
 		};
 
 		dma1: dma-controller@40026000 {
-- 
1.9.1