Re: [PATCH v3 1/6] dt-bindings: ap806: add the cluster clock node in the syscon file
From: Rob Herring <robh@kernel.org>
Date: 2018-12-17 22:50:51
Also in:
linux-clk, linux-devicetree, lkml
On Sun, Dec 16, 2018 at 10:41:42AM +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 | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+)diff --git a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt index 3fd21bb7cb37..8f281816a6b8 100644 --- a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt +++ b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt@@ -136,3 +136,25 @@ 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. + +ap_syscon1: system-controller@6f8000 { + compatible = "syscon", "simple-mfd"; + reg = <0x6f8000 0x1000>; + + cpu_clk: clock-cpu {
There's not a register address range you can use even if Linux happens to not need it (currently)? There's already a clock node under this syscon? Are they really separate sub-blocks?
+ compatible = "marvell,ap806-cpu-clock"; + clocks = <&ap_clk 0>, <&ap_clk 1>; + #clock-cells = <1>; + }; +}; -- 2.19.2
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