From: Tero Kristo <t-kristo@ti.com> To: Tony Lindgren <tony@atomide.com>, <linux-omap@vger.kernel.org> Cc: "Andrew F . Davis" <afd@ti.com>, Santosh Shilimkar <ssantosh@kernel.org>, Suman Anna <s-anna@ti.com>, <linux-kernel@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <devicetree@vger.kernel.org>, Rob Herring <robh@kernel.org> Subject: Re: [PATCH 1/6] dt-bindings: omap: Update PRM binding for genpd Date: Thu, 14 May 2020 10:39:43 +0300 Message-ID: <352b8c4d-1233-e208-63ce-c116632546a9@ti.com> (raw) In-Reply-To: <20200512203852.29499-2-tony@atomide.com> On 12/05/2020 23:38, Tony Lindgren wrote: > The PRM (Power and Reset Module) has registers to enable and disable > power domains, so let's update the binding for that. > > Cc: devicetree@vger.kernel.org > Cc: Rob Herring <robh@kernel.org> > Signed-off-by: Tony Lindgren <tony@atomide.com> > --- > Documentation/devicetree/bindings/arm/omap/prm-inst.txt | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/arm/omap/prm-inst.txt b/Documentation/devicetree/bindings/arm/omap/prm-inst.txt > --- a/Documentation/devicetree/bindings/arm/omap/prm-inst.txt > +++ b/Documentation/devicetree/bindings/arm/omap/prm-inst.txt > @@ -18,12 +18,16 @@ Required properties: > (base address and length) > > Optional properties: > +- #power-domain-cells: Should be 0 if the PRM instance is a power domain. > - #reset-cells: Should be 1 if the PRM instance in question supports resets. > +- clocks: Functional and interface clocks managed by the power domain > +- clock-names: Names for the clocks using "fck" and "ick" naming Whats the purpose of the clocks for PRM? It looks like you are using this with ABE domain on omap4/omap5, but why is this needed? -Tero > > Example: > > prm_dsp2: prm@1b00 { > compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; > reg = <0x1b00 0x40>; > + #power-domain-cells = <0>; > #reset-cells = <1>; > }; > -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
next prev parent reply index Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-05-12 20:38 [PATCH 0/6] Add initial genpd support for omap PRM driver Tony Lindgren 2020-05-12 20:38 ` [PATCH 1/6] dt-bindings: omap: Update PRM binding for genpd Tony Lindgren 2020-05-14 7:39 ` Tero Kristo [this message] 2020-05-14 15:09 ` Tony Lindgren 2020-05-12 20:38 ` [PATCH 2/6] soc: ti: omap-prm: Add basic power domain support Tony Lindgren 2020-05-14 8:04 ` Tero Kristo 2020-05-14 15:18 ` Tony Lindgren 2020-05-12 20:38 ` [PATCH 3/6] soc: ti: omap-prm: Configure sgx power domain for am3 and am4 Tony Lindgren 2020-05-12 20:38 ` [PATCH 4/6] soc: ti: omap-prm: Configure omap4 and 5 l4_abe power domain Tony Lindgren 2020-05-12 20:38 ` [PATCH 5/6] ARM: dts: Configure am3 and am4 sgx for genpd and drop platform data Tony Lindgren 2020-05-12 20:38 ` [PATCH 6/6] ARM: dts: Configure omap4 and 5 l4_abe " Tony Lindgren 2020-05-20 21:13 [PATCHv2 0/6] Add initial genpd support for omap PRM driver Tony Lindgren 2020-05-20 21:13 ` [PATCH 1/6] dt-bindings: omap: Update PRM binding for genpd Tony Lindgren 2020-05-28 22:20 ` Rob Herring 2020-06-22 16:46 [PATCHv3 0/6] Add initial genpd support for omap PRM driver Tony Lindgren 2020-06-22 16:46 ` [PATCH 1/6] dt-bindings: omap: Update PRM binding for genpd Tony Lindgren 2020-07-02 15:45 [PATCHv4 0/6] Add initial genpd support for omap PRM driver Tony Lindgren 2020-07-02 15:45 ` [PATCH 1/6] dt-bindings: omap: Update PRM binding for genpd Tony Lindgren 2020-07-15 20:58 ` Rob Herring
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