From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Tue, 9 Jul 2019 10:26:47 -0600 From: Rob Herring Subject: Re: [PATCH 8/8] dt-bindings: timer: renesas, cmt: Update R-Car Gen3 CMT1 usage Message-ID: <20190709162647.GA15846@bogus> References: <156076216767.4736.16337667537984218274.sendpatchset@octo> <156076224112.4736.5038116002723317642.sendpatchset@octo> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <156076224112.4736.5038116002723317642.sendpatchset@octo> To: Magnus Damm Cc: devicetree@vger.kernel.org, mark.rutland@arm.com, linux-renesas-soc@vger.kernel.org, robh+dt@kernel.org List-ID: On Mon, 17 Jun 2019 18:04:01 +0900, Magnus Damm wrote: > From: Magnus Damm > > The R-Car Gen3 SoCs so far come with a total for 4 on-chip CMT devices: > - CMT0 > - CMT1 > - CMT2 > - CMT3 > > CMT0 includes two rather basic 32-bit timer channels. The rest of the on-chip > CMT devices support 48-bit counters and have 8 channels each. > > Based on the data sheet information "CMT2/3 are exactly same as CMT1" > it seems that CMT2 and CMT3 now use the CMT1 compat string in the DTSI. > > Clarify this in the DT binding documentation by describing R-Car Gen3 and > RZ/G2 CMT1 as "48-bit CMT devices". > > Signed-off-by: Magnus Damm > --- > > Documentation/devicetree/bindings/timer/renesas,cmt.txt | 26 +++++++-------- > 1 file changed, 13 insertions(+), 13 deletions(-) > > --- 0014/Documentation/devicetree/bindings/timer/renesas,cmt.txt > +++ work/Documentation/devicetree/bindings/timer/renesas,cmt.txt 2019-06-17 14:07:46.502422801 +0900 > @@ -28,9 +28,9 @@ Required Properties: > - "renesas,r8a77470-cmt0" for the 32-bit CMT0 device included in r8a77470. > - "renesas,r8a77470-cmt1" for the 48-bit CMT1 device included in r8a77470. > - "renesas,r8a774a1-cmt0" for the 32-bit CMT0 device included in r8a774a1. > - - "renesas,r8a774a1-cmt1" for the 48-bit CMT1 device included in r8a774a1. > + - "renesas,r8a774a1-cmt1" for the 48-bit CMT devices included in r8a774a1. > - "renesas,r8a774c0-cmt0" for the 32-bit CMT0 device included in r8a774c0. > - - "renesas,r8a774c0-cmt1" for the 48-bit CMT1 device included in r8a774c0. > + - "renesas,r8a774c0-cmt1" for the 48-bit CMT devices included in r8a774c0. > - "renesas,r8a7790-cmt0" for the 32-bit CMT0 device included in r8a7790. > - "renesas,r8a7790-cmt1" for the 48-bit CMT1 device included in r8a7790. > - "renesas,r8a7791-cmt0" for the 32-bit CMT0 device included in r8a7791. > @@ -42,34 +42,34 @@ Required Properties: > - "renesas,r8a7794-cmt0" for the 32-bit CMT0 device included in r8a7794. > - "renesas,r8a7794-cmt1" for the 48-bit CMT1 device included in r8a7794. > - "renesas,r8a7795-cmt0" for the 32-bit CMT0 device included in r8a7795. > - - "renesas,r8a7795-cmt1" for the 48-bit CMT1 device included in r8a7795. > + - "renesas,r8a7795-cmt1" for the 48-bit CMT devices included in r8a7795. > - "renesas,r8a7796-cmt0" for the 32-bit CMT0 device included in r8a7796. > - - "renesas,r8a7796-cmt1" for the 48-bit CMT1 device included in r8a7796. > + - "renesas,r8a7796-cmt1" for the 48-bit CMT devices included in r8a7796. > - "renesas,r8a77965-cmt0" for the 32-bit CMT0 device included in r8a77965. > - - "renesas,r8a77965-cmt1" for the 48-bit CMT1 device included in r8a77965. > + - "renesas,r8a77965-cmt1" for the 48-bit CMT devices included in r8a77965. > - "renesas,r8a77970-cmt0" for the 32-bit CMT0 device included in r8a77970. > - - "renesas,r8a77970-cmt1" for the 48-bit CMT1 device included in r8a77970. > + - "renesas,r8a77970-cmt1" for the 48-bit CMT devices included in r8a77970. > - "renesas,r8a77980-cmt0" for the 32-bit CMT0 device included in r8a77980. > - - "renesas,r8a77980-cmt1" for the 48-bit CMT1 device included in r8a77980. > + - "renesas,r8a77980-cmt1" for the 48-bit CMT devices included in r8a77980. > - "renesas,r8a77990-cmt0" for the 32-bit CMT0 device included in r8a77990. > - - "renesas,r8a77990-cmt1" for the 48-bit CMT1 device included in r8a77990. > + - "renesas,r8a77990-cmt1" for the 48-bit CMT devices included in r8a77990. > - "renesas,r8a77995-cmt0" for the 32-bit CMT0 device included in r8a77995. > - - "renesas,r8a77995-cmt1" for the 48-bit CMT1 device included in r8a77995. > + - "renesas,r8a77995-cmt1" for the 48-bit CMT devices included in r8a77995. > - "renesas,sh73a0-cmt0" for the 32-bit CMT0 device included in sh73a0. > - "renesas,sh73a0-cmt1" for the 48-bit CMT1 device included in sh73a0. > - "renesas,sh73a0-cmt2" for the 32-bit CMT2 device included in sh73a0. > - "renesas,sh73a0-cmt3" for the 32-bit CMT3 device included in sh73a0. > - "renesas,sh73a0-cmt4" for the 32-bit CMT4 device included in sh73a0. > > - - "renesas,rcar-gen2-cmt0" for 32-bit CMT0 devices included in R-Car Gen2 > + - "renesas,rcar-gen2-cmt0" for 32-bit CMT0 device included in R-Car Gen2 > and RZ/G1. > - - "renesas,rcar-gen2-cmt1" for 48-bit CMT1 devices included in R-Car Gen2 > + - "renesas,rcar-gen2-cmt1" for 48-bit CMT1 device included in R-Car Gen2 > and RZ/G1. > These are fallbacks for r8a73a4, R-Car Gen2 and RZ/G1 entries > listed above. > - - "renesas,rcar-gen3-cmt0" for 32-bit CMT0 devices included in R-Car Gen3 > + - "renesas,rcar-gen3-cmt0" for 32-bit CMT0 device included in R-Car Gen3 > and RZ/G2. > - - "renesas,rcar-gen3-cmt1" for 48-bit CMT1 devices included in R-Car Gen3 > + - "renesas,rcar-gen3-cmt1" for 48-bit CMT devices included in R-Car Gen3 > and RZ/G2. > These are fallbacks for R-Car Gen3 and RZ/G2 entries listed > above. > Reviewed-by: Rob Herring