linux-kernel - [PATCH] ARM: dts: microchip: sam9x60: Fix rtc/rtt clock parent

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Message-Id: <20240820132730.357347-1-ada@thorsis.com>
Date: Tue, 20 Aug 2024 15:27:30 +0200
From: Alexander Dahl <ada@...rsis.com>
To: linux-clk@...r.kernel.org
Cc: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Claudiu Beznea <claudiu.beznea@...on.dev>,
	Tudor Ambarus <tudor.ambarus@...aro.org>,
	Nicolas Ferre <nicolas.ferre@...rochip.com>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
	Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>,
	devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] ARM: dts: microchip: sam9x60: Fix rtc/rtt clock parent

The RTC and RTT peripherals use the "timing domain slow clock (TD_SLCK),
sourced from the 32.768 kHz crystal oscillator.

(The Monitoring domain slow clock (MD_SLCK) is sourced from an internal
RC oscillator which is most probably not precise enough for real time
clock purposes.)

Fixes: 1e5f532c2737 ("ARM: dts: at91: sam9x60: add device tree for soc and board")
Fixes: 5f6b33f46346 ("ARM: dts: sam9x60: add rtt")
Signed-off-by: Alexander Dahl <ada@...rsis.com>
---
 arch/arm/boot/dts/microchip/sam9x60.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/microchip/sam9x60.dtsi b/arch/arm/boot/dts/microchip/sam9x60.dtsi
index 291540e5d81e..d077afd5024d 100644
--- a/arch/arm/boot/dts/microchip/sam9x60.dtsi
+++ b/arch/arm/boot/dts/microchip/sam9x60.dtsi
@@ -1312,7 +1312,7 @@ rtt: rtc@...ffe20 {
 				compatible = "microchip,sam9x60-rtt", "atmel,at91sam9260-rtt";
 				reg = <0xfffffe20 0x20>;
 				interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
-				clocks = <&clk32k 0>;
+				clocks = <&clk32k 1>;
 			};
 
 			pit: timer@...ffe40 {
@@ -1338,7 +1338,7 @@ rtc: rtc@...ffea8 {
 				compatible = "microchip,sam9x60-rtc", "atmel,at91sam9x5-rtc";
 				reg = <0xfffffea8 0x100>;
 				interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
-				clocks = <&clk32k 0>;
+				clocks = <&clk32k 1>;
 			};
 
 			watchdog: watchdog@...fff80 {

base-commit: 47ac09b91befbb6a235ab620c32af719f8208399
-- 
2.39.2