Re: [PATCH 1/3] clk: versatile: Switch to assigned clock parents

From: Stephen Boyd
Date: Fri Aug 07 2015 - 18:28:44 EST


On 08/06, Pawel Moll wrote:
> On Wed, 2015-08-05 at 18:56 +0100, Stephen Boyd wrote:
> > On 08/05/2015 03:29 AM, Pawel Moll wrote:
> > >
> > > Right, that's probably my fault. The sp810 nodes appeared in the VE
> > > trees very early (in terms of the "DT era"), when we weren't so strict
> > > about documentation. So far, it would be fairly simple, something like
> > > the text below - feel free to take it, mend it, extend it with your
> > > changes and include in the series:
> > >
> > > Thanks!
> >
> > Great! Can you please provide your signed-off-by?
>
> Sure.

Thanks! I've put that patch before my series and squashed this into patch 1/3.

----8<----
diff --git a/Documentation/devicetree/bindings/arm/sp810.txt b/Documentation/devicetree/bindings/arm/sp810.txt
index 440ee0892a4d..6808fb5dee40 100644
--- a/Documentation/devicetree/bindings/arm/sp810.txt
+++ b/Documentation/devicetree/bindings/arm/sp810.txt
@@ -24,12 +24,23 @@ Required properties:
- clock-output-names: from the common clock bindings;
should be: "timerclken0", "timerclken1", "timerclken2", "timerclken3"

+- assigned-clocks: from the common clock binding;
+ should be: clock specifier for each output clock of this
+ provider node
+
+- assigned-clock-parents: from the common clock binding;
+ should be: clock specifier of input clock listed in clocks
+ property with the highest frequency
+
Example:
- sysctl@020000 {
+ v2m_sysctl: sysctl@020000 {
compatible = "arm,sp810", "arm,primecell";
reg = <0x020000 0x1000>;
clocks = <&v2m_refclk32khz>, <&v2m_refclk1mhz>, <&smbclk>;
clock-names = "refclk", "timclk", "apb_pclk";
#clock-cells = <1>;
clock-output-names = "timerclken0", "timerclken1", "timerclken2", "timerclken3";
+ assigned-clocks = <&v2m_sysctl 0>, <&v2m_sysctl 1>, <&v2m_sysctl 3>, <&v2m_sysctl 3>;
+ assigned-clock-parents = <&v2m_refclk1mhz>, <&v2m_refclk1mhz>, <&v2m_refclk1mhz>, <&v2m_refclk1mhz>;
+
};
--
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