linux-kernel - [PATCH 4.14 057/239] ARM: dts: pxa: fix the rtc controller

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Message-Id: <20191119051309.007173531@linuxfoundation.org>
Date:   Tue, 19 Nov 2019 06:17:37 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Robert Jarzmik <robert.jarzmik@...e.fr>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.14 057/239] ARM: dts: pxa: fix the rtc controller

From: Robert Jarzmik <robert.jarzmik@...e.fr>

[ Upstream commit 24a610eba32a80ed778ea79680b600c3fe73d7de ]

The RTC controller is fed by an external fixed 32kHz clock. Yet the
driver wants to acquire this clock, even though it doesn't make any use
of it, ie. doesn't get the rate to make calculation.

Therefore, use the exported 32.768kHz clock in the PXA clock tree to
make the driver happy and working.

Signed-off-by: Robert Jarzmik <robert.jarzmik@...e.fr>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm/boot/dts/pxa25x.dtsi | 4 ++++
 arch/arm/boot/dts/pxa27x.dtsi | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/pxa25x.dtsi b/arch/arm/boot/dts/pxa25x.dtsi
index 95d59be97213e..8494b57871709 100644
--- a/arch/arm/boot/dts/pxa25x.dtsi
+++ b/arch/arm/boot/dts/pxa25x.dtsi
@@ -80,6 +80,10 @@
 			#pwm-cells = <1>;
 			clocks = <&clks CLK_PWM1>;
 		};
+
+		rtc@...00000 {
+			clocks = <&clks CLK_OSC32k768>;
+		};
 	};
 
 	timer@...00000 {
diff --git a/arch/arm/boot/dts/pxa27x.dtsi b/arch/arm/boot/dts/pxa27x.dtsi
index 747f750f675d9..2ab6986433c82 100644
--- a/arch/arm/boot/dts/pxa27x.dtsi
+++ b/arch/arm/boot/dts/pxa27x.dtsi
@@ -113,6 +113,10 @@
 
 			status = "disabled";
 		};
+
+		rtc@...00000 {
+			clocks = <&clks CLK_OSC32k768>;
+		};
 	};
 
 	clocks {
-- 
2.20.1