On Sun, Jan 07, 2018 at 08:17:16PM -0600, David Lechner wrote:
> This adds a new binding for the gate clocks present in the CFGCHIP syscon
> registers in TI DA8XX SoCs. There are actually other gate clocks in this
> block that could be added in the future, but TBCLK is currently the only
> one being used.
Like how many? 2 more?, then fine. 20 more, then perhaps cfgchip should
be the clock provider.
In any case, I'd prefer to see all the cfgchip clocks documented in one
doc.
>
> Signed-off-by: David Lechner <david@xxxxxxxxxxxxxx>
> ---
> .../clock/ti/davinci/da8xx-cfgchip-gate.txt | 38 ++++++++++++++++++++++
> 1 file changed, 38 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/ti/davinci/da8xx-cfgchip-gate.txt
>
> diff --git a/Documentation/devicetree/bindings/clock/ti/davinci/da8xx-cfgchip-gate.txt b/Documentation/devicetree/bindings/clock/ti/davinci/da8xx-cfgchip-gate.txt
> new file mode 100644
> index 0000000..55821b0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/ti/davinci/da8xx-cfgchip-gate.txt
> @@ -0,0 +1,38 @@
> +Binding for TI DA8XX/OMAP-L13X/AM17XX/AM18XX CFGCHIP gate clocks
> +
> +TI DA8XX/OMAP-L13X/AM17XX/AM18XX SoCs contain a general purpose set of
> +registers call CFGCHIPn. Some of these registers function as clock
> +gates. This document describes the bindings for those clocks.
> +
> +Required properties:
> +- compatible: shall be "ti,da830-tbclk".
> +- #clock-cells: from common clock binding; shall be set to 0.
> +- clocks: phandle to the parent clock
> +
> +Optional properties:
> +- clock-output-names: from common clock binding.
> +
> +Parent:
> +This node must be a child of a "ti,da830-cfgchip" node.
> +
> +Assignment:
> +The assigned-clocks and assigned-clock-parents from the common clock bindings
> +can be used to indicate which parent clock should be used.
> +
> +Examples:
> +
> + cfgchip: syscon@1417c {
> + compatible = "ti,da830-cfgchip", "syscon", "simple-mfd";
> + reg = <0x1417c 0x14>;
> +
> + ehrpwm_tbclk: tbclk {
> + compatible = "ti,da830-tbclk";
> + #clock-cells = <0>;
> + clocks = <&psc1 17>;
> + clock-output-names = "ehrpwm_tbclk";
> + };
> + };
> +
> +Also see:
> +- Documentation/devicetree/bindings/clock/clock-bindings.txt
> +
> --
> 2.7.4
>
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