[v7,1/6] dt-bindings: ap806: add the cluster clock node in the syscon file
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Message ID 20190710134346.30239-2-gregory.clement@bootlin.com
State Not Applicable
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  • [v7,1/6] dt-bindings: ap806: add the cluster clock node in the syscon file
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Commit Message

Gregory CLEMENT July 10, 2019, 1:43 p.m. UTC
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   | 31 +++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

Comments

Rob Herring July 24, 2019, 8:33 p.m. UTC | #1
On Wed, 10 Jul 2019 15:43:41 +0200, Gregory CLEMENT wrote:
> 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   | 31 +++++++++++++++++--
>  1 file changed, 29 insertions(+), 2 deletions(-)
> 

Reviewed-by: Rob Herring <robh@kernel.org>

Patch
diff mbox series

diff --git a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
index 7b8b8eb0191f..4f21c1024073 100644
--- a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
+++ b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
@@ -21,8 +21,8 @@  Clocks:
 The Device Tree node representing the AP806 system controller provides
 a number of clocks:
 
- - 0: clock of CPU cluster 0
- - 1: clock of CPU cluster 1
+ - 0: reference clock of CPU cluster 0
+ - 1: reference clock of CPU cluster 1
  - 2: fixed PLL at 1200 Mhz
  - 3: MSS clock, derived from the fixed PLL
 
@@ -143,3 +143,30 @@  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 parent clock(s) phandle for the clock
+           (one per cluster)
+
+- 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@278 {
+		compatible = "marvell,ap806-cpu-clock";
+		clocks = <&ap_clk 0>, <&ap_clk 1>;
+		#clock-cells = <1>;
+		reg = <0x278 0xa30>;
+	};
+};