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 17:13:55
Also in:
linux-clk, linux-devicetree, lkml
On Mon, Mar 25, 2019 at 01:47:58PM +0100, Gregory CLEMENT wrote:
quoted hunk ↗ jump to hunk
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. And there's a typo.
+
+ap_syscon1: system-controller@6f8000 {
+ compatible = "syscon", "simple-mfd";
+ reg = <0x6f8000 0x1000>;
+
+ cpu_clk: clock-cpu {
+ compatible = "marvell,ap806-cpu-clock";
+ clocks = <&ap_clk 0>, <&ap_clk 1>;
+ #clock-cells = <1>;
+ };
+};
--
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