Thread (10 messages) 10 messages, 2 authors, 2019-03-28

Re: [PATCH v4 1/6] dt-bindings: ap806: add the cluster clock node in the syscon file

From: Rob Herring <robh@kernel.org>
Date: 2019-03-28 17:39:29
Also in: linux-clk, linux-devicetree, lkml

On Thu, Mar 28, 2019 at 06:25:14PM +0100, Gregory CLEMENT wrote:
Hi Rob,
 
 On jeu., mars 28 2019, Rob Herring [off-list ref] wrote:
quoted
On Mon, Mar 25, 2019 at 01:47:58PM +0100, Gregory CLEMENT wrote:
quoted
Document the device tree binding for the cluster clock controllers found
in the Armada 7K/8K SoCs.

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
---
 .../arm/marvell/ap806-system-controller.txt   | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
index 7b8b8eb0191f..ceeba18b4ac3 100644
--- a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
+++ b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
@@ -143,3 +143,28 @@ ap_syscon1: system-controller@6f8000 {
 		#thermal-sensor-cells = <1>;
 	};
 };
+
+Cluster clocks:
+---------------
+
+Device Tree Clock bindings for cluster clock of AP806 Marvell. Each
+cluster contain up to 2 CPUs running at the same frequency.
+
+Required properties:
+- compatible: must be  "marvell,ap806-cpu-clock";
+- #clock-cells : should be set to 1.
+- clocks : shall be the input parents clock phandle for the clock.
+
+Optional property:
+ - reg: register range associated the cluser clocks
reg can be optional to use, but should either be there or not.
OK so let's remove it!
If you can define what the registers are, then you should have it even 
if Linux happens to not care.

Rob

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