From 096f4597406bc86cd93947eb0e96a8188f934ebf Mon Sep 17 00:00:00 2001 From: Gregory CLEMENT Date: Wed, 10 Jul 2019 15:43:41 +0200 Subject: dt-bindings: ap806: add the cluster clock node in the syscon file Document the device tree binding for the cluster clock controllers found in the Armada 7K/8K SoCs. Signed-off-by: Gregory CLEMENT Link: https://lkml.kernel.org/r/20190710134346.30239-2-gregory.clement@bootlin.com Reviewed-by: Rob Herring Signed-off-by: Stephen Boyd --- .../arm/marvell/ap806-system-controller.txt | 31 ++++++++++++++++++++-- 1 file changed, 29 insertions(+), 2 deletions(-) (limited to 'Documentation/devicetree/bindings/arm/marvell') 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>; + }; +}; -- cgit v1.2.3-59-g8ed1b