linux-kernel - [PATCH 5/5] ARM: berlin/dt: add cpupll and syspll support to BG2

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Message-Id: <1395402220-23503-6-git-send-email-alexandre.belloni@free-electrons.com>
Date:	Fri, 21 Mar 2014 12:43:40 +0100
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Mike Turquette <mturquette@...aro.org>
Cc:	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Antoine Ténart 
	<antoine.tenart@...e-electrons.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Subject: [PATCH 5/5] ARM: berlin/dt: add cpupll and syspll support to BG2

This also moves the clocks from the clocks container node to the root.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
---
 arch/arm/boot/dts/berlin2.dtsi | 56 +++++++++++++++++++++++++++++-------------
 1 file changed, 39 insertions(+), 17 deletions(-)

diff --git a/arch/arm/boot/dts/berlin2.dtsi b/arch/arm/boot/dts/berlin2.dtsi
index 56a1af2f1052..4b82076ef1ed 100644
--- a/arch/arm/boot/dts/berlin2.dtsi
+++ b/arch/arm/boot/dts/berlin2.dtsi
@@ -37,24 +37,46 @@
 		};
 	};
 
-	clocks {
-		smclk: sysmgr-clock {
-			compatible = "fixed-clock";
-			#clock-cells = <0>;
-			clock-frequency = <25000000>;
-		};
+	smclk: sysmgr-clock {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <25000000>;
+	};
 
-		cfgclk: cfg-clock {
-			compatible = "fixed-clock";
-			#clock-cells = <0>;
-			clock-frequency = <100000000>;
-		};
+	cfgclk: cfg-clock {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <100000000>;
+	};
 
-		sysclk: system-clock {
-			compatible = "fixed-clock";
-			#clock-cells = <0>;
-			clock-frequency = <400000000>;
-		};
+	syspll: syspll {
+		compatible = "marvell,berlin2-pll";
+		clocks = <&smclk>;
+		#clock-cells = <0>;
+		reg = <0xf7ea0014 8>;
+	};
+
+	cpupll: cpupll {
+		compatible = "marvell,berlin2-pll";
+		clocks = <&smclk>;
+		#clock-cells = <0>;
+		reg = <0xf7ea003c 8>;
+	};
+
+	cpuclk: cpu-clock {
+		compatible = "fixed-factor-clock";
+		clocks = <&cpupll>;
+		#clock-cells = <0>;
+		clock-div = <1>;
+		clock-mult = <1>;
+	};
+
+	twdclk: twdclk {
+		compatible = "fixed-factor-clock";
+		#clock-cells = <0>;
+		clocks = <&cpuclk>;
+		clock-mult = <1>;
+		clock-div = <3>;
 	};
 
 	soc {
@@ -83,7 +105,7 @@
 			compatible = "arm,cortex-a9-twd-timer";
 			reg = <0xad0600 0x20>;
 			interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&sysclk>;
+			clocks = <&twdclk>;
 		};
 
 		apb@...000 {
-- 
1.8.3.2

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