linux-kernel - [PATCH v2 2/4] ARM: dts: dm8168-evm: add the external reference clock for SATA

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Date:   Tue, 14 Mar 2017 12:14:13 +0100
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Patrick Titiano <ptitiano@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Paul Walmsley <paul@...an.com>,
        Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
Cc:     linux-ide@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-omap@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH v2 2/4] ARM: dts: dm8168-evm: add the external reference clock for SATA

This board has an external oscillator supplying the reference clock
signal for SATA. Its rate is fixed at 100Mhz. Add a corresponding
device tree node.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
---
 arch/arm/boot/dts/dm8168-evm.dts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/dm8168-evm.dts b/arch/arm/boot/dts/dm8168-evm.dts
index 0bf55fa..c6fabfc 100644
--- a/arch/arm/boot/dts/dm8168-evm.dts
+++ b/arch/arm/boot/dts/dm8168-evm.dts
@@ -25,6 +25,12 @@
 		regulator-min-microvolt = <3300000>;
 		regulator-max-microvolt = <3300000>;
 	};
+
+	sata_refclk: fixedclock0 {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <100000000>;
+	};
 };
 
 &dm816x_pinmux {
-- 
2.9.3