linux-kernel - [PATCH] arm64: dts: Fix RTC by providing rtc

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Date:	Mon, 11 Jul 2016 09:34:18 +0200
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>,
	Kevin Hilman <khilman@...nel.org>, arm@...nel.org
Cc:	Kukjin Kim <kgene@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	krzk@...nel.org, k.kozlowski@...sung.com,
	Alim Akhtar <alim.akhtar@...sung.com>
Subject: [PATCH] arm64: dts: Fix RTC by providing rtc_src clock

From: Alim Akhtar <alim.akhtar@...sung.com>

Add RTC source clock as Exynos7 needs source (32.768KHz) clock
for RTC block. Without this currently S3C RTC driver probe is broken
on this SoC.

Signed-off-by: Alim Akhtar <alim.akhtar@...sung.com>
Reviewed-by: Javier Martinez Canillas <javier@....samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
---
 arch/arm64/boot/dts/exynos/exynos7-espresso.dts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
index d8767b00862e..14cd3a14fb7c 100644
--- a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
+++ b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
@@ -12,6 +12,7 @@
 /dts-v1/;
 #include "exynos7.dtsi"
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/clock/samsung,s2mps11.h>
 
 / {
 	model = "Samsung Exynos7 Espresso board based on EXYNOS7";
@@ -43,6 +44,8 @@
 
 &rtc {
 	status = "okay";
+	clocks = <&clock_ccore PCLK_RTC>, <&s2mps15_osc S2MPS11_CLK_AP>;
+	clock-names = "rtc", "rtc_src";
 };
 
 &watchdog {
-- 
1.9.1