Re: [PATCH 4/5] ARM: berlin/dt: add cpupll and syspll support to BG2CD

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On 03/21/2014 12:43 PM, Alexandre Belloni wrote:
This also moves the clocks from the clocks container node to the root.

Please leave a word on the original intention of the patch here, too.

Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
---
  arch/arm/boot/dts/berlin2cd.dtsi | 56 ++++++++++++++++++++++++++++------------
  1 file changed, 39 insertions(+), 17 deletions(-)

diff --git a/arch/arm/boot/dts/berlin2cd.dtsi b/arch/arm/boot/dts/berlin2cd.dtsi
index 094968c27533..c84013c1597c 100644
--- a/arch/arm/boot/dts/berlin2cd.dtsi
+++ b/arch/arm/boot/dts/berlin2cd.dtsi
@@ -30,24 +30,46 @@
  		};
  	};

-	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 = <75000000>;
-		};
+	cfgclk: cfg-clock {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <75000000>;
+	};

-		sysclk: system-clock {
-			compatible = "fixed-clock";
-			#clock-cells = <0>;
-			clock-frequency = <300000000>;
-		};
+	syspll: syspll {

syspll: pll@ea0014 and sort it in SoC nodes.

+		compatible = "marvell,berlin2-pll";
+		clocks = <&smclk>;
+		#clock-cells = <0>;
+		reg = <0xf7ea0014 8>;
+	};
+
+	cpupll: cpupll {

ditto.

+		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>;

Same comment about cpuclk to cpupll relation.

+	};
+
+	twdclk: twdclk {
+		compatible = "fixed-factor-clock";
+		#clock-cells = <0>;
+		clocks = <&cpuclk>;
+		clock-mult = <1>;
+		clock-div = <3>;
  	};

  	soc {
@@ -76,7 +98,7 @@
  			compatible = "arm,cortex-a9-twd-timer";
  			reg = <0xad0600 0x20>;
  			interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&sysclk>;
+			clocks = <&twdclk>;
  		};

  		apb@e80000 {


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