Re: [PATCH v6 1/6] dt-bindings: ap806: add the cluster clock node in the syscon file
From: Rob Herring <robh@kernel.org>
Date: 2019-07-09 20:10:53
Also in:
linux-arm-kernel, linux-clk, lkml
On Wed, Jun 19, 2019 at 04:15:34PM +0200, 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..4a3bb9c12312 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.
How many clocks?
+- reg: register range associated with the cluster clocks
+
+
+ap_syscon1: system-controller@6f8000 {
+ compatible = "marvell,armada-ap806-syscon1", "syscon", "simple-mfd";
+ reg = <0x6f8000 0x1000>;
+
+ cpu_clk: clock-cpu@0 {Should be '...@274'
+ compatible = "marvell,ap806-cpu-clock"; + clocks = <&ap_clk 0>, <&ap_clk 1>; + #clock-cells = <1>; + reg = <0x274 0xa30>; + }; +}; -- 2.20.1